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[NFC][InstCombine] Add more exhaustive test coverage for (x >>? X1) << C2 pattern (PR37872)
This commit is contained in:
Roman Lebedev
parent
7caf0af059
commit
7c2811a760
@ -13,248 +13,505 @@
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; Basic positive tests
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; ============================================================================ ;
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define i32 @positive_samevar(i32 %x, i32 %y) {
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define i8 @positive_samevar(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i32 -1, [[Y:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = and i32 [[TMP1]], [[X:%.*]]
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i32 %x, %y
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%ret = shl i32 %tmp0, %y
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ret i32 %ret
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%tmp0 = ashr i8 %x, %y
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%ret = shl i8 %tmp0, %y
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ret i8 %ret
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}
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define i32 @positive_sameconst(i32 %x) {
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define i8 @positive_sameconst(i8 %x) {
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; CHECK-LABEL: @positive_sameconst(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 [[X:%.*]], -32
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; CHECK-NEXT: ret i32 [[TMP1]]
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; CHECK-NEXT: [[TMP1:%.*]] = and i8 [[X:%.*]], -8
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; CHECK-NEXT: ret i8 [[TMP1]]
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;
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%tmp0 = ashr i32 %x, 5
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%ret = shl i32 %tmp0, 5
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ret i32 %ret
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%tmp0 = ashr i8 %x, 3
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%ret = shl i8 %tmp0, 3
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ret i8 %ret
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}
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define i32 @positive_biggerashr(i32 %x) {
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define i8 @positive_biggerashr(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i32 [[X:%.*]], 10
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; CHECK-NEXT: [[RET:%.*]] = shl nsw i32 [[TMP0]], 5
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 6
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; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[TMP0]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i32 %x, 10
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%ret = shl i32 %tmp0, 5
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ret i32 %ret
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%tmp0 = ashr i8 %x, 6
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%ret = shl i8 %tmp0, 3
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ret i8 %ret
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}
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define i32 @positive_biggershl(i32 %x) {
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define i8 @positive_biggershl(i8 %x) {
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; CHECK-LABEL: @positive_biggershl(
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; CHECK-NEXT: [[TMP1:%.*]] = lshr i32 [[X:%.*]], 5
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; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP1]], 10
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK-NEXT: [[TMP1:%.*]] = lshr i8 [[X:%.*]], 3
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; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP1]], 6
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i32 %x, 5
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%ret = shl i32 %tmp0, 10
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ret i32 %ret
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%tmp0 = ashr i8 %x, 3
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%ret = shl i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; EXACT on the first shift
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; shl nuw
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; ============================================================================ ;
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define i32 @positive_samevar_ashrexact(i32 %x, i32 %y) {
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define i8 @positive_samevar_shlnuw(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnuw(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, %y
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%ret = shl nuw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnuw(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnuw(
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[X:%.*]], -8
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nuw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnuw(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnuw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 6
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; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 6
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%ret = shl nuw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnuw(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnuw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 3
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; CHECK-NEXT: [[RET:%.*]] = shl nuw i8 [[TMP0]], 6
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nuw i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; shl nsw
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; ============================================================================ ;
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define i8 @positive_samevar_shlnsw(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnsw(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, %y
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%ret = shl nsw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnsw(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnsw(
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[X:%.*]], -8
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnsw(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnsw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 6
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; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[TMP0]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 6
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%ret = shl nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnsw(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnsw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 3
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; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[TMP0]], 6
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nsw i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; shl nuw nsw
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; ============================================================================ ;
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define i8 @positive_samevar_shlnuwnsw(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnuwnsw(
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; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, %y
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%ret = shl nuw nsw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnuwnsw(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnuwnsw(
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; CHECK-NEXT: [[RET:%.*]] = and i8 [[X:%.*]], -8
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nuw nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnuwnsw(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnuwnsw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 6
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; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 6
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%ret = shl nuw nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnuwnsw(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnuwnsw(
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; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], 3
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; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 6
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr i8 %x, 3
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%ret = shl nuw nsw i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; ashr exact
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; ============================================================================ ;
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define i8 @positive_samevar_ashrexact(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_ashrexact(
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; CHECK-NEXT: ret i32 [[X:%.*]]
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i32 %x, %y
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%ret = shl i32 %tmp0, %y ; this one is obviously 'nuw'.
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ret i32 %ret
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%tmp0 = ashr exact i8 %x, %y
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%ret = shl i8 %tmp0, %y
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ret i8 %ret
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}
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define i32 @positive_sameconst_ashrexact(i32 %x) {
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define i8 @positive_sameconst_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_ashrexact(
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; CHECK-NEXT: ret i32 [[X:%.*]]
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i32 %x, 5
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%ret = shl i32 %tmp0, 5 ; this one is obviously 'nuw'.
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ret i32 %ret
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl i8 %tmp0, 3
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ret i8 %ret
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}
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define i32 @positive_biggerashr_ashrexact(i32 %x) {
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define i8 @positive_biggerashr_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = ashr exact i32 [[X:%.*]], 5
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK-NEXT: [[RET:%.*]] = ashr exact i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i32 %x, 10
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%ret = shl i32 %tmp0, 5 ; this one is obviously 'nuw'.
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ret i32 %ret
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%tmp0 = ashr exact i8 %x, 6
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%ret = shl i8 %tmp0, 3
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ret i8 %ret
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}
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define i32 @positive_biggershl_ashrexact(i32 %x) {
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define i8 @positive_biggershl_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = shl i32 [[X:%.*]], 5
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; CHECK-NEXT: ret i32 [[RET]]
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; CHECK-NEXT: [[RET:%.*]] = shl i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i32 %x, 5
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%ret = shl i32 %tmp0, 10
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ret i32 %ret
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl i8 %tmp0, 6
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ret i8 %ret
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}
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define i32 @positive_biggershl_ashrexact_shlnuw(i32 %x) {
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; CHECK-LABEL: @positive_biggershl_ashrexact_shlnuw(
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; CHECK-NEXT: [[RET:%.*]] = shl nuw i32 [[X:%.*]], 5
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; CHECK-NEXT: ret i32 [[RET]]
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; ============================================================================ ;
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; ashr exact, shl nsw
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; ============================================================================ ;
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define i8 @positive_samevar_shlnsw_ashrexact(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnsw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i32 %x, 5
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%ret = shl nuw i32 %tmp0, 10
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ret i32 %ret
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%tmp0 = ashr exact i8 %x, %y
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%ret = shl nsw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnsw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnsw_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = ashr exact i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i8 %x, 6
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%ret = shl nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnsw_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl nsw i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; ashr exact, shl nuw
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; ============================================================================ ;
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define i8 @positive_samevar_shlnuw_ashrexact(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnuw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i8 %x, %y
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%ret = shl nuw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnuw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnuw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl nuw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnuw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnuw_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = ashr exact i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i8 %x, 6
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%ret = shl nuw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnuw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnuw_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = shl nuw i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl nuw i8 %tmp0, 6
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ret i8 %ret
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}
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; ============================================================================ ;
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; ashr exact, shl nuw nsw
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; ============================================================================ ;
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define i8 @positive_samevar_shlnuwnsw_ashrexact(i8 %x, i8 %y) {
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; CHECK-LABEL: @positive_samevar_shlnuwnsw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i8 %x, %y
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%ret = shl nuw nsw i8 %tmp0, %y
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ret i8 %ret
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}
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define i8 @positive_sameconst_shlnuwnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_sameconst_shlnuwnsw_ashrexact(
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; CHECK-NEXT: ret i8 [[X:%.*]]
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;
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%tmp0 = ashr exact i8 %x, 3
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%ret = shl nuw nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggerashr_shlnuwnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggerashr_shlnuwnsw_ashrexact(
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; CHECK-NEXT: [[RET:%.*]] = ashr exact i8 [[X:%.*]], 3
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; CHECK-NEXT: ret i8 [[RET]]
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;
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%tmp0 = ashr exact i8 %x, 6
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%ret = shl nuw nsw i8 %tmp0, 3
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ret i8 %ret
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}
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define i8 @positive_biggershl_shlnuwnsw_ashrexact(i8 %x) {
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; CHECK-LABEL: @positive_biggershl_shlnuwnsw_ashrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = ashr exact i8 %x, 3
|
||||
%ret = shl nuw nsw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Vector
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_samevar_vec(<2 x i32> %x, <2 x i32> %y) {
|
||||
define <2 x i8> @positive_samevar_vec(<2 x i8> %x, <2 x i8> %y) {
|
||||
; CHECK-LABEL: @positive_samevar_vec(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i32> <i32 -1, i32 -1>, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <2 x i32> [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i8> <i8 -1, i8 -1>, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <2 x i8> [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, %y
|
||||
%ret = shl <2 x i32> %tmp0, %y
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, %y
|
||||
%ret = shl <2 x i8> %tmp0, %y
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Constant Vectors
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_sameconst_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_sameconst_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[X:%.*]], <i32 -32, i32 -32>
|
||||
; CHECK-NEXT: ret <2 x i32> [[TMP1]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i8> [[X:%.*]], <i8 -8, i8 -8>
|
||||
; CHECK-NEXT: ret <2 x i8> [[TMP1]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 5, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 3, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 5, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 3, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef2(
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <3 x i32> [[X:%.*]], <i32 -32, i32 undef, i32 -32>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 undef, i8 -8>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggerashr_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerashr_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_vec(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i32> [[X:%.*]], <i32 10, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nsw <2 x i32> [[TMP0]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i8> [[X:%.*]], <i8 6, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nsw <2 x i8> [[TMP0]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, <i32 10, i32 10>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, <i8 6, i8 6>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerashr_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerashr_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 10, i32 undef, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 5, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 6, i8 undef, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 3, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerashr_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerashr_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 10, i32 10, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 6, i8 6, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 10, i32 10, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 6, i8 6, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerashr_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerashr_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_vec_undef2(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 10, i32 undef, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 6, i8 undef, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggershl_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggershl_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP1]], <i32 10, i32 10>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i8> [[X:%.*]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP1]], <i8 6, i8 6>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 10, i32 10>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 6, i8 6>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 10, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 6, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 10, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 6, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 5, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 undef, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 3, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 undef, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef2(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 undef, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = ashr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 undef, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
@ -263,97 +520,97 @@ define <3 x i32> @positive_biggershl_vec_undef2(<3 x i32> %x) {
|
||||
|
||||
; FIXME: drop 'exact' once it is no longer needed.
|
||||
|
||||
define i32 @positive_sameconst_multiuse(i32 %x) {
|
||||
define i8 @positive_sameconst_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: ret i32 [[X]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: ret i8 [[X]]
|
||||
;
|
||||
%tmp0 = ashr exact i32 %x, 5
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = ashr exact i8 %x, 3
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggerashr_multiuse(i32 %x) {
|
||||
define i8 @positive_biggerashr_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i32 [[X:%.*]], 10
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = ashr exact i32 [[X]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = ashr exact i8 [[X]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = ashr exact i32 %x, 10
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = ashr exact i8 %x, 6
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggershl_multiuse(i32 %x) {
|
||||
define i8 @positive_biggershl_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[X]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[X]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = ashr exact i32 %x, 5
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 10
|
||||
ret i32 %ret
|
||||
%tmp0 = ashr exact i8 %x, 3
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Constant Non-Splat Vectors
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_biggerashr_vec_nonsplat(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerashr_vec_nonsplat(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerashr_vec_nonsplat(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i32> [[X:%.*]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP0]], <i32 5, i32 10>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i8> [[X:%.*]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP0]], <i8 3, i8 6>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 10>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 6>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggerLashr_vec_nonsplat(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerLashr_vec_nonsplat(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerLashr_vec_nonsplat(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i32> [[X:%.*]], <i32 5, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP0]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr <2 x i8> [[X:%.*]], <i8 3, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP0]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = ashr <2 x i32> %x, <i32 5, i32 10>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = ashr <2 x i8> %x, <i8 3, i8 6>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Negative tests. Should not be folded.
|
||||
; ============================================================================ ;
|
||||
|
||||
define i32 @negative_twovars(i32 %x, i32 %y, i32 %z) {
|
||||
define i8 @negative_twovars(i8 %x, i8 %y, i8 %z) {
|
||||
; CHECK-LABEL: @negative_twovars(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP0]], [[Z:%.*]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP0]], [[Z:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = ashr i32 %x, %y
|
||||
%ret = shl i32 %tmp0, %z ; $z, not %y
|
||||
ret i32 %ret
|
||||
%tmp0 = ashr i8 %x, %y
|
||||
%ret = shl i8 %tmp0, %z ; $z, not %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
declare void @use32(i32)
|
||||
declare void @use32(i8)
|
||||
|
||||
; One use only.
|
||||
define i32 @negative_oneuse(i32 %x, i32 %y) {
|
||||
define i8 @negative_oneuse(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @negative_oneuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP0]], [[Y]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i8 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP0]], [[Y]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = ashr i32 %x, %y
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, %y
|
||||
ret i32 %ret
|
||||
%tmp0 = ashr i8 %x, %y
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
@ -13,248 +13,505 @@
|
||||
; Basic positive tests
|
||||
; ============================================================================ ;
|
||||
|
||||
define i32 @positive_samevar(i32 %x, i32 %y) {
|
||||
define i8 @positive_samevar(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i32 -1, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and i32 [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, %y
|
||||
%ret = shl i32 %tmp0, %y
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
%ret = shl i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_sameconst(i32 %x) {
|
||||
define i8 @positive_sameconst(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and i32 [[X:%.*]], -32
|
||||
; CHECK-NEXT: ret i32 [[TMP0]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and i8 [[X:%.*]], -8
|
||||
; CHECK-NEXT: ret i8 [[TMP0]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, 5
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggerlshr(i32 %x) {
|
||||
define i8 @positive_biggerlshr(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i32 [[X:%.*]], 10
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i32 [[TMP0]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, 10
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, 6
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggershl(i32 %x) {
|
||||
define i8 @positive_biggershl(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP0]], 10
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP0]], 6
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, 5
|
||||
%ret = shl i32 %tmp0, 10
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; EXACT on the first shift
|
||||
; shl nuw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i32 @positive_samevar_lshrexact(i32 %x, i32 %y) {
|
||||
define i8 @positive_samevar_shlnuw(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnuw(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
%ret = shl nuw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnuw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnuw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and i8 [[X:%.*]], -8
|
||||
; CHECK-NEXT: ret i8 [[TMP0]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nuw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnuw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnuw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 6
|
||||
%ret = shl nuw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnuw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnuw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw i8 [[TMP0]], 6
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nuw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; shl nsw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_shlnsw(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnsw(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
%ret = shl nsw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and i8 [[X:%.*]], -8
|
||||
; CHECK-NEXT: ret i8 [[TMP0]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 6
|
||||
%ret = shl nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[TMP0]], 6
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nsw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; shl nuw nsw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_shlnuwnsw(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnuwnsw(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i8 -1, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and i8 [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
%ret = shl nuw nsw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnuwnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnuwnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and i8 [[X:%.*]], -8
|
||||
; CHECK-NEXT: ret i8 [[TMP0]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nuw nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnuwnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnuwnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 6
|
||||
%ret = shl nuw nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnuwnsw(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnuwnsw(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[TMP0]], 6
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i8 %x, 3
|
||||
%ret = shl nuw nsw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; lshr exact
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_lshrexact(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_lshrexact(
|
||||
; CHECK-NEXT: ret i32 [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, %y
|
||||
%ret = shl i32 %tmp0, %y ; this one is obviously 'nuw'.
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, %y
|
||||
%ret = shl i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_sameconst_lshrexact(i32 %x) {
|
||||
define i8 @positive_sameconst_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_lshrexact(
|
||||
; CHECK-NEXT: ret i32 [[X:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 5
|
||||
%ret = shl i32 %tmp0, 5 ; this one is obviously 'nuw'.
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggerlshr_lshrexact(i32 %x) {
|
||||
define i8 @positive_biggerlshr_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 10
|
||||
%ret = shl i32 %tmp0, 5 ; this one is obviously 'nuw'.
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 6
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggershl_lshrexact(i32 %x) {
|
||||
define i8 @positive_biggershl_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 5
|
||||
%ret = shl i32 %tmp0, 10
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggershl_lshrexact_shlnuw(i32 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_lshrexact_shlnuw(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; ============================================================================ ;
|
||||
; lshr exact, shl nsw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_shlnsw_lshrexact(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnsw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 5
|
||||
%ret = shl nuw i32 %tmp0, 10
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, %y
|
||||
%ret = shl nsw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnsw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnsw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 6
|
||||
%ret = shl nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnsw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nsw i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nsw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; lshr exact, shl nuw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_shlnuw_lshrexact(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnuw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, %y
|
||||
%ret = shl nuw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnuw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnuw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nuw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnuw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnuw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 6
|
||||
%ret = shl nuw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnuw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnuw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nuw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; lshr exact, shl nuw nsw
|
||||
; ============================================================================ ;
|
||||
|
||||
define i8 @positive_samevar_shlnuwnsw_lshrexact(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @positive_samevar_shlnuwnsw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, %y
|
||||
%ret = shl nuw nsw i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_sameconst_shlnuwnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_shlnuwnsw_lshrexact(
|
||||
; CHECK-NEXT: ret i8 [[X:%.*]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nuw nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggerlshr_shlnuwnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_shlnuwnsw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 6
|
||||
%ret = shl nuw nsw i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i8 @positive_biggershl_shlnuwnsw_lshrexact(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_shlnuwnsw_lshrexact(
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
%ret = shl nuw nsw i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Vector
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_samevar_vec(<2 x i32> %x, <2 x i32> %y) {
|
||||
define <2 x i8> @positive_samevar_vec(<2 x i8> %x, <2 x i8> %y) {
|
||||
; CHECK-LABEL: @positive_samevar_vec(
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i32> <i32 -1, i32 -1>, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <2 x i32> [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i8> <i8 -1, i8 -1>, [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <2 x i8> [[TMP1]], [[X:%.*]]
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, %y
|
||||
%ret = shl <2 x i32> %tmp0, %y
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, %y
|
||||
%ret = shl <2 x i8> %tmp0, %y
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Constant Vectors
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_sameconst_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_sameconst_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and <2 x i32> [[X:%.*]], <i32 -32, i32 -32>
|
||||
; CHECK-NEXT: ret <2 x i32> [[TMP0]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = and <2 x i8> [[X:%.*]], <i8 -8, i8 -8>
|
||||
; CHECK-NEXT: ret <2 x i8> [[TMP0]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 5, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 3, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 5, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 3, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_sameconst_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_sameconst_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_vec_undef2(
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <3 x i32> [[X:%.*]], <i32 -32, i32 undef, i32 -32>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = and <3 x i8> [[X:%.*]], <i8 -8, i8 undef, i8 -8>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggerlshr_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerlshr_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_vec(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 10, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw <2 x i32> [[TMP0]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i8> [[X:%.*]], <i8 6, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl nuw nsw <2 x i8> [[TMP0]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, <i32 10, i32 10>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, <i8 6, i8 6>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerlshr_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerlshr_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 10, i32 undef, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 5, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 6, i8 undef, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 3, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerlshr_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerlshr_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 10, i32 10, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 6, i8 6, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 10, i32 10, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 6, i8 6, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggerlshr_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggerlshr_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_vec_undef2(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 10, i32 undef, i32 10>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 5, i32 undef, i32 5>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 6, i8 undef, i8 6>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 3, i8 undef, i8 3>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggershl_vec(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggershl_vec(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP0]], <i32 10, i32 10>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i8> [[X:%.*]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP0]], <i8 6, i8 6>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 10, i32 10>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 6, i8 6>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef0(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef0(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef0(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 10, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 6, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 10, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 6, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef1(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef1(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef1(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 5, i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 3, i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 5, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 undef, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 3, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 undef, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
define <3 x i32> @positive_biggershl_vec_undef2(<3 x i32> %x) {
|
||||
define <3 x i8> @positive_biggershl_vec_undef2(<3 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_vec_undef2(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i32> [[X:%.*]], <i32 5, i32 undef, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i32> [[TMP0]], <i32 10, i32 undef, i32 10>
|
||||
; CHECK-NEXT: ret <3 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <3 x i8> [[X:%.*]], <i8 3, i8 undef, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <3 x i8> [[TMP0]], <i8 6, i8 undef, i8 6>
|
||||
; CHECK-NEXT: ret <3 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <3 x i32> %x, <i32 5, i32 undef, i32 5>
|
||||
%ret = shl <3 x i32> %tmp0, <i32 10, i32 undef, i32 10>
|
||||
ret <3 x i32> %ret
|
||||
%tmp0 = lshr <3 x i8> %x, <i8 3, i8 undef, i8 3>
|
||||
%ret = shl <3 x i8> %tmp0, <i8 6, i8 undef, i8 6>
|
||||
ret <3 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
@ -263,97 +520,97 @@ define <3 x i32> @positive_biggershl_vec_undef2(<3 x i32> %x) {
|
||||
|
||||
; FIXME: drop 'exact' once it is no longer needed.
|
||||
|
||||
define i32 @positive_sameconst_multiuse(i32 %x) {
|
||||
define i8 @positive_sameconst_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_sameconst_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: ret i32 [[X]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: ret i8 [[X]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 5
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggerlshr_multiuse(i32 %x) {
|
||||
define i8 @positive_biggerlshr_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i32 [[X:%.*]], 10
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i32 [[X]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i8 [[X:%.*]], 6
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = lshr exact i8 [[X]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 10
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 5
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 6
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 3
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
define i32 @positive_biggershl_multiuse(i32 %x) {
|
||||
define i8 @positive_biggershl_multiuse(i8 %x) {
|
||||
; CHECK-LABEL: @positive_biggershl_multiuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i32 [[X:%.*]], 5
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[X]], 5
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr exact i8 [[X:%.*]], 3
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[X]], 3
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr exact i32 %x, 5
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, 10
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr exact i8 %x, 3
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, 6
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Constant Non-Splat Vectors
|
||||
; ============================================================================ ;
|
||||
|
||||
define <2 x i32> @positive_biggerlshr_vec_nonsplat(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerlshr_vec_nonsplat(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerlshr_vec_nonsplat(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP0]], <i32 5, i32 10>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i8> [[X:%.*]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP0]], <i8 3, i8 6>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, <i32 5, i32 5>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 10>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, <i8 3, i8 3>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 6>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
define <2 x i32> @positive_biggerLlshr_vec_nonsplat(<2 x i32> %x) {
|
||||
define <2 x i8> @positive_biggerLlshr_vec_nonsplat(<2 x i8> %x) {
|
||||
; CHECK-LABEL: @positive_biggerLlshr_vec_nonsplat(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 5, i32 10>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i32> [[TMP0]], <i32 5, i32 5>
|
||||
; CHECK-NEXT: ret <2 x i32> [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr <2 x i8> [[X:%.*]], <i8 3, i8 6>
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl <2 x i8> [[TMP0]], <i8 3, i8 3>
|
||||
; CHECK-NEXT: ret <2 x i8> [[RET]]
|
||||
;
|
||||
%tmp0 = lshr <2 x i32> %x, <i32 5, i32 10>
|
||||
%ret = shl <2 x i32> %tmp0, <i32 5, i32 5>
|
||||
ret <2 x i32> %ret
|
||||
%tmp0 = lshr <2 x i8> %x, <i8 3, i8 6>
|
||||
%ret = shl <2 x i8> %tmp0, <i8 3, i8 3>
|
||||
ret <2 x i8> %ret
|
||||
}
|
||||
|
||||
; ============================================================================ ;
|
||||
; Negative tests. Should not be folded.
|
||||
; ============================================================================ ;
|
||||
|
||||
define i32 @negative_twovars(i32 %x, i32 %y, i32 %z) {
|
||||
define i8 @negative_twovars(i8 %x, i8 %y, i8 %z) {
|
||||
; CHECK-LABEL: @negative_twovars(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP0]], [[Z:%.*]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP0]], [[Z:%.*]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, %y
|
||||
%ret = shl i32 %tmp0, %z ; $z, not %y
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
%ret = shl i8 %tmp0, %z ; $z, not %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
declare void @use32(i32)
|
||||
declare void @use32(i8)
|
||||
|
||||
; One use only.
|
||||
define i32 @negative_oneuse(i32 %x, i32 %y) {
|
||||
define i8 @negative_oneuse(i8 %x, i8 %y) {
|
||||
; CHECK-LABEL: @negative_oneuse(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i32 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @use32(i32 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i32 [[TMP0]], [[Y]]
|
||||
; CHECK-NEXT: ret i32 [[RET]]
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 [[X:%.*]], [[Y:%.*]]
|
||||
; CHECK-NEXT: call void @use32(i8 [[TMP0]])
|
||||
; CHECK-NEXT: [[RET:%.*]] = shl i8 [[TMP0]], [[Y]]
|
||||
; CHECK-NEXT: ret i8 [[RET]]
|
||||
;
|
||||
%tmp0 = lshr i32 %x, %y
|
||||
call void @use32(i32 %tmp0)
|
||||
%ret = shl i32 %tmp0, %y
|
||||
ret i32 %ret
|
||||
%tmp0 = lshr i8 %x, %y
|
||||
call void @use32(i8 %tmp0)
|
||||
%ret = shl i8 %tmp0, %y
|
||||
ret i8 %ret
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user