71 lines
1.7 KiB
LLVM
71 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -instsimplify | FileCheck %s
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declare i32 @llvm.bitreverse.i32(i32)
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declare <2 x i32> @llvm.bitreverse.v2i32(<2 x i32>)
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define i1 @test1(i32 %arg) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret i1 false
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;
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%a = or i32 %arg, 1
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%b = call i32 @llvm.bitreverse.i32(i32 %a)
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%res = icmp eq i32 %b, 0
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ret i1 %res
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}
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define i1 @test1v(<2 x i32> %arg) {
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; CHECK-LABEL: @test1v(
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; CHECK-NEXT: ret i1 false
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;
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%a = or <2 x i32> %arg, <i32 1, i32 0>
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%b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a)
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%c = extractelement <2 x i32> %b, i32 0
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%res = icmp eq i32 %c, 0
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ret i1 %res
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}
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define i1 @test2(i32 %arg) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret i1 false
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;
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%a = or i32 %arg, 1024
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%b = call i32 @llvm.bitreverse.i32(i32 %a)
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%res = icmp eq i32 %b, 0
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ret i1 %res
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}
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define i1 @test2v(<2 x i32> %arg) {
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; CHECK-LABEL: @test2v(
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; CHECK-NEXT: ret i1 false
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;
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%a = or <2 x i32> %arg, <i32 0, i32 1024>
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%b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a)
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%c = extractelement <2 x i32> %b, i32 1
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%res = icmp eq i32 %c, 0
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ret i1 %res
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}
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define i1 @test3(i32 %arg) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: ret i1 false
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;
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%a = and i32 %arg, 1
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%b = call i32 @llvm.bitreverse.i32(i32 %a)
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%and = and i32 %b, 1
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%res = icmp eq i32 %and, 1
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ret i1 %res
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}
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define i1 @test3v(<2 x i32> %arg) {
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; CHECK-LABEL: @test3v(
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; CHECK-NEXT: ret i1 false
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;
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%a = and <2 x i32> %arg, <i32 1, i32 -1>
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%b = call <2 x i32> @llvm.bitreverse.v2i32(<2 x i32> %a)
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%and = and <2 x i32> %b, <i32 1, i32 -1>
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%ext = extractelement <2 x i32> %and, i32 0
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%res = icmp eq i32 %ext, 1
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ret i1 %res
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}
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