cc2fafa178
This PR adds support for folding calls to `ucmp`/`scmp` intrinsics with constant arguments.
99 lines
2.1 KiB
LLVM
99 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
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define i8 @scmp_lt() {
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; CHECK-LABEL: define i8 @scmp_lt() {
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; CHECK-NEXT: ret i8 -1
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;
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%1 = call i8 @llvm.scmp(i32 -7, i32 3)
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ret i8 %1
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}
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define i8 @scmp_eq() {
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; CHECK-LABEL: define i8 @scmp_eq() {
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; CHECK-NEXT: ret i8 0
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;
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%1 = call i8 @llvm.scmp(i32 2, i32 2)
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ret i8 %1
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}
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define i8 @scmp_gt() {
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; CHECK-LABEL: define i8 @scmp_gt() {
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; CHECK-NEXT: ret i8 1
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;
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%1 = call i8 @llvm.scmp(i32 2, i32 -7)
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ret i8 %1
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}
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define i8 @ucmp_lt() {
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; CHECK-LABEL: define i8 @ucmp_lt() {
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; CHECK-NEXT: ret i8 -1
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;
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%1 = call i8 @llvm.ucmp(i32 7, i32 12)
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ret i8 %1
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}
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define i2 @ucmp_eq() {
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; CHECK-LABEL: define i2 @ucmp_eq() {
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; CHECK-NEXT: ret i2 0
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;
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%1 = call i2 @llvm.ucmp(i32 12, i32 12)
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ret i2 %1
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}
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define i100 @ucmp_gt() {
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; CHECK-LABEL: define i100 @ucmp_gt() {
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; CHECK-NEXT: ret i100 1
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;
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%1 = call i100 @llvm.ucmp(i32 7, i32 3)
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ret i100 %1
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}
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define i8 @ucmp_poison() {
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; CHECK-LABEL: define i8 @ucmp_poison() {
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; CHECK-NEXT: ret i8 poison
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;
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%1 = call i8 @llvm.ucmp(i32 poison, i32 5)
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ret i8 %1
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}
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define i8 @scmp_poison() {
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; CHECK-LABEL: define i8 @scmp_poison() {
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; CHECK-NEXT: ret i8 poison
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;
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%1 = call i8 @llvm.scmp(i32 0, i32 poison)
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ret i8 %1
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}
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define i8 @scmp_undef() {
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; CHECK-LABEL: define i8 @scmp_undef() {
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; CHECK-NEXT: ret i8 0
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;
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%1 = call i8 @llvm.scmp(i32 undef, i32 -12)
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ret i8 %1
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}
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define i8 @ucmp_undef() {
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; CHECK-LABEL: define i8 @ucmp_undef() {
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; CHECK-NEXT: ret i8 0
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;
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%1 = call i8 @llvm.ucmp(i32 2, i32 undef)
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ret i8 %1
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}
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define <4 x i8> @ucmp_lt_splat() {
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; CHECK-LABEL: define <4 x i8> @ucmp_lt_splat() {
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; CHECK-NEXT: ret <4 x i8> <i8 -1, i8 -1, i8 -1, i8 -1>
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;
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%1 = call <4 x i8> @llvm.ucmp(<4 x i32> splat(i32 1), <4 x i32> splat(i32 3))
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ret <4 x i8> %1
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}
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define <4 x i8> @scmp_nonsplat() {
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; CHECK-LABEL: define <4 x i8> @scmp_nonsplat() {
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; CHECK-NEXT: ret <4 x i8> <i8 1, i8 0, i8 1, i8 -1>
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;
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%1 = call <4 x i8> @llvm.scmp(<4 x i32> <i32 0, i32 1, i32 2, i32 3>, <4 x i32> <i32 -1, i32 1, i32 -2, i32 4>)
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ret <4 x i8> %1
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}
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