forked from OSchip/llvm-project
70 lines
2.4 KiB
LLVM
70 lines
2.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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define i32 @ctlz_true_bitreverse(i32 %x) {
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; CHECK-LABEL: @ctlz_true_bitreverse(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 true), !range !0
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%a = tail call i32 @llvm.bitreverse.i32(i32 %x)
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%b = tail call i32 @llvm.ctlz.i32(i32 %a, i1 true)
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ret i32 %b
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}
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define <2 x i64> @ctlz_true_bitreverse_vec(<2 x i64> %x) {
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; CHECK-LABEL: @ctlz_true_bitreverse_vec(
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; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[X:%.*]], i1 true)
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; CHECK-NEXT: ret <2 x i64> [[TMP1]]
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;
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%a = tail call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %x)
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%b = tail call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 true)
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ret <2 x i64> %b
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}
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define i32 @ctlz_false_bitreverse(i32 %x) {
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; CHECK-LABEL: @ctlz_false_bitreverse(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%a = tail call i32 @llvm.bitreverse.i32(i32 %x)
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%b = tail call i32 @llvm.ctlz.i32(i32 %a, i1 false)
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ret i32 %b
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}
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define i32 @cttz_true_bitreverse(i32 %x) {
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; CHECK-LABEL: @cttz_true_bitreverse(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), !range !0
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%a = tail call i32 @llvm.bitreverse.i32(i32 %x)
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%b = tail call i32 @llvm.cttz.i32(i32 %a, i1 true)
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ret i32 %b
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}
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define <2 x i64> @cttz_true_bitreverse_vec(<2 x i64> %x) {
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; CHECK-LABEL: @cttz_true_bitreverse_vec(
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; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> [[X:%.*]], i1 true)
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; CHECK-NEXT: ret <2 x i64> [[TMP1]]
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;
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%a = tail call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %x)
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%b = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true)
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ret <2 x i64> %b
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}
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define i32 @cttz_false_bitreverse(i32 %x) {
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; CHECK-LABEL: @cttz_false_bitreverse(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%a = tail call i32 @llvm.bitreverse.i32(i32 %x)
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%b = tail call i32 @llvm.cttz.i32(i32 %a, i1 false)
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ret i32 %b
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}
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declare i32 @llvm.bitreverse.i32(i32)
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declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
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declare i32 @llvm.ctlz.i32(i32, i1)
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declare i32 @llvm.cttz.i32(i32, i1)
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declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1)
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declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1)
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