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[InstCombine] Improve cttz/ctlz + icmp tests; NFC
Change part of the tests to use vectors (I'm using scalar for ugt and vector for ult), add multiuse variations, rename %lz to %tz for the cttz tests. llvm-svn: 350471
This commit is contained in:
Nikita Popov
parent
697c9329fc
commit
bbcf981fd8
@ -169,6 +169,19 @@ define i1 @ctlz_ugt_other_i32(i32 %x) {
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ret i1 %cmp
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}
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define i1 @ctlz_ugt_other_multiuse_i32(i32 %x, i32* %p) {
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; CHECK-LABEL: @ctlz_ugt_other_multiuse_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: store i32 [[LZ]], i32* [[P:%.*]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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store i32 %lz, i32* %p
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%cmp = icmp ugt i32 %lz, 16
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ret i1 %cmp
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}
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define i1 @ctlz_ugt_bw_minus_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ugt_bw_minus_one_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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@ -180,47 +193,60 @@ define i1 @ctlz_ugt_bw_minus_one_i32(i32 %x) {
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ret i1 %cmp
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}
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define i1 @ctlz_ult_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_one_i32(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @ctlz_ult_one_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @ctlz_ult_one_v2i32(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], zeroinitializer
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 1
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ret i1 %cmp
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%lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %lz, <i32 1, i32 1>
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ret <2 x i1> %cmp
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}
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define i1 @ctlz_ult_other_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_other_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @ctlz_ult_other_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @ctlz_ult_other_v2i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[LZ]], <i32 16, i32 16>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 16
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ret i1 %cmp
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%lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %lz, <i32 16, i32 16>
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ret <2 x i1> %cmp
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}
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define i1 @ctlz_ult_bw_minus_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_bw_minus_one_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 31
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @ctlz_ult_other_multiuse_v2i32(<2 x i32> %x, <2 x i32>* %p) {
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; CHECK-LABEL: @ctlz_ult_other_multiuse_v2i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: store <2 x i32> [[LZ]], <2 x i32>* [[P:%.*]], align 8
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[LZ]], <i32 16, i32 16>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 31
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ret i1 %cmp
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%lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false)
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store <2 x i32> %lz, <2 x i32>* %p
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%cmp = icmp ult <2 x i32> %lz, <i32 16, i32 16>
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ret <2 x i1> %cmp
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}
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define i1 @ctlz_ult_bitwidth_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_bitwidth_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @ctlz_ult_bw_minus_one_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @ctlz_ult_bw_minus_one_v2i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[LZ]], <i32 31, i32 31>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 32
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ret i1 %cmp
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%lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %lz, <i32 31, i32 31>
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ret <2 x i1> %cmp
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}
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define <2 x i1> @ctlz_ult_bitwidth_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @ctlz_ult_bitwidth_v2i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[LZ]], <i32 32, i32 32>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %lz, <i32 32, i32 32>
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ret <2 x i1> %cmp
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}
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define i1 @cttz_ne_bitwidth_i33(i33 %x) {
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@ -309,14 +335,14 @@ define <2 x i1> @cttz_ne_other_v2i32(<2 x i32> %a) {
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define i1 @cttz_eq_other_i33_multiuse(i33 %x, i33* %p) {
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; CHECK-LABEL: @cttz_eq_other_i33_multiuse(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: store i33 [[LZ]], i33* [[P:%.*]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[LZ]], 4
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; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: store i33 [[TZ]], i33* [[P:%.*]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TZ]], 4
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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store i33 %lz, i33* %p
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%cmp = icmp eq i33 %lz, 4
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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store i33 %tz, i33* %p
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%cmp = icmp eq i33 %tz, 4
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ret i1 %cmp
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}
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@ -326,86 +352,111 @@ define i1 @cttz_ugt_zero_i33(i33 %x) {
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 0
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %tz, 0
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ret i1 %cmp
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}
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define i1 @cttz_ugt_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 1
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; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[TZ]], 1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 1
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %tz, 1
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ret i1 %cmp
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}
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define i1 @cttz_ugt_other_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_other_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 16
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; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[TZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 16
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %tz, 16
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ret i1 %cmp
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}
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define i1 @cttz_ugt_other_multiuse_i33(i33 %x, i33* %p) {
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; CHECK-LABEL: @cttz_ugt_other_multiuse_i33(
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; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: store i33 [[TZ]], i33* [[P:%.*]], align 4
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[TZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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store i33 %tz, i33* %p
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%cmp = icmp ugt i33 %tz, 16
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ret i1 %cmp
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}
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define i1 @cttz_ugt_bw_minus_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_bw_minus_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 32
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; CHECK-NEXT: [[TZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[TZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 32
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%tz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %tz, 32
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ret i1 %cmp
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}
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define i1 @cttz_ult_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_one_i33(
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; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[TMP1]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @cttz_ult_one_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @cttz_ult_one_v2i32(
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; CHECK-NEXT: [[CMP:%.*]] = trunc <2 x i32> [[X:%.*]] to <2 x i1>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 1
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ret i1 %cmp
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%tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %tz, <i32 1, i32 1>
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ret <2 x i1> %cmp
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}
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define i1 @cttz_ult_other_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_other_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @cttz_ult_other_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @cttz_ult_other_v2i32(
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; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[TZ]], <i32 16, i32 16>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 16
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ret i1 %cmp
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%tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %tz, <i32 16, i32 16>
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ret <2 x i1> %cmp
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}
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define i1 @cttz_ult_bw_minus_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_bw_minus_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @cttz_ult_other_multiuse_v2i32(<2 x i32> %x, <2 x i32>* %p) {
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; CHECK-LABEL: @cttz_ult_other_multiuse_v2i32(
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; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: store <2 x i32> [[TZ]], <2 x i32>* [[P:%.*]], align 8
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[TZ]], <i32 16, i32 16>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 32
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ret i1 %cmp
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%tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false)
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store <2 x i32> %tz, <2 x i32>* %p
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%cmp = icmp ult <2 x i32> %tz, <i32 16, i32 16>
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ret <2 x i1> %cmp
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}
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define i1 @cttz_ult_bitwidth_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_bitwidth_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 33
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; CHECK-NEXT: ret i1 [[CMP]]
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define <2 x i1> @cttz_ult_bw_minus_one_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @cttz_ult_bw_minus_one_v2i32(
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; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[TZ]], <i32 31, i32 31>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 33
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ret i1 %cmp
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%tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %tz, <i32 31, i32 31>
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ret <2 x i1> %cmp
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}
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define <2 x i1> @cttz_ult_bitwidth_v2i32(<2 x i32> %x) {
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; CHECK-LABEL: @cttz_ult_bitwidth_v2i32(
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; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 false)
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult <2 x i32> [[TZ]], <i32 32, i32 32>
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; CHECK-NEXT: ret <2 x i1> [[CMP]]
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;
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%tz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %x, i1 false)
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%cmp = icmp ult <2 x i32> %tz, <i32 32, i32 32>
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ret <2 x i1> %cmp
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}
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define i1 @ctpop_eq_zero_i11(i11 %x) {
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