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[NFC][InstCombine] Add forgotten variable tests for foldICmpWithLowBitMaskedVal()
llvm-svn: 337094
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@ -23,6 +23,18 @@ define i1 @p0(i8 %x) {
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ret i1 %ret
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}
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define i1 @pv(i8 %x, i8 %y) {
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; CHECK-LABEL: @pv(
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp uge i8 [[TMP0]], [[X:%.*]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %tmp0, %x
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%ret = icmp eq i8 %tmp1, %x
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ret i1 %ret
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}
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; ============================================================================ ;
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; Vector tests
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; ============================================================================ ;
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@ -75,6 +87,52 @@ define i1 @c0() {
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ret i1 %ret
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}
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; ============================================================================ ;
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; Commutativity tests with variable
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; ============================================================================ ;
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define i1 @cv0(i8 %y) {
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; CHECK-LABEL: @cv0(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %x, %tmp0 ; swapped order
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%ret = icmp eq i8 %tmp1, %x
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ret i1 %ret
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}
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define i1 @cv1(i8 %y) {
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; CHECK-LABEL: @cv1(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %tmp0, %x
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%ret = icmp eq i8 %x, %tmp1 ; swapped order
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ret i1 %ret
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}
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define i1 @cv2(i8 %y) {
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; CHECK-LABEL: @cv2(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %x, %tmp0 ; swapped order
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%ret = icmp eq i8 %x, %tmp1 ; swapped order
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ret i1 %ret
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}
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; ============================================================================ ;
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; One-use tests. We don't care about multi-uses here.
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; ============================================================================ ;
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@ -23,6 +23,18 @@ define i1 @p0(i8 %x) {
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ret i1 %ret
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}
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define i1 @pv(i8 %x, i8 %y) {
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; CHECK-LABEL: @pv(
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[TMP0]], [[X:%.*]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %tmp0, %x
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%ret = icmp ne i8 %tmp1, %x
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ret i1 %ret
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}
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; ============================================================================ ;
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; Vector tests
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; ============================================================================ ;
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@ -75,6 +87,52 @@ define i1 @c0() {
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ret i1 %ret
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}
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; ============================================================================ ;
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; Commutativity tests with variable
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; ============================================================================ ;
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define i1 @cv0(i8 %y) {
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; CHECK-LABEL: @cv0(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %x, %tmp0 ; swapped order
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%ret = icmp ne i8 %tmp1, %x
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ret i1 %ret
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}
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define i1 @cv1(i8 %y) {
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; CHECK-LABEL: @cv1(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %tmp0, %x
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%ret = icmp ne i8 %x, %tmp1 ; swapped order
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ret i1 %ret
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}
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define i1 @cv2(i8 %y) {
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; CHECK-LABEL: @cv2(
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; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
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; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
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; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
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; CHECK-NEXT: ret i1 [[TMP1]]
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;
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%x = call i8 @gen8()
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%tmp0 = lshr i8 -1, %y
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%tmp1 = and i8 %x, %tmp0 ; swapped order
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%ret = icmp ne i8 %x, %tmp1 ; swapped order
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ret i1 %ret
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}
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; ============================================================================ ;
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; One-use tests. We don't care about multi-uses here.
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; ============================================================================ ;
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