xref: /llvm-project/llvm/test/Transforms/InstSimplify/fold-intrinsics.ll (revision 04b944e23050e4e0c6ee983cc9bc17740315ea4f)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
3
4declare float @llvm.powi.f32.i16(float, i16) nounwind readonly
5declare double @llvm.powi.f64.i32(double, i32) nounwind readonly
6declare i32 @llvm.bswap.i32(i32)
7
8; A
9define i32 @test_bswap(i32 %a) nounwind {
10; CHECK-LABEL: @test_bswap(
11; CHECK-NEXT:    ret i32 [[A:%.*]]
12;
13  %tmp2 = tail call i32 @llvm.bswap.i32( i32 %a )
14  %tmp4 = tail call i32 @llvm.bswap.i32( i32 %tmp2 )
15  ret i32 %tmp4
16}
17
18define void @powi(double %V, ptr%P) {
19; CHECK-LABEL: @powi(
20; CHECK-NEXT:    store volatile double 1.000000e+00, ptr [[P:%.*]], align 8
21; CHECK-NEXT:    store volatile double [[V:%.*]], ptr [[P]], align 8
22; CHECK-NEXT:    ret void
23;
24  %B = tail call double @llvm.powi.f64.i32(double %V, i32 0) nounwind
25  store volatile double %B, ptr %P
26
27  %C = tail call double @llvm.powi.f64.i32(double %V, i32 1) nounwind
28  store volatile double %C, ptr %P
29
30  ret void
31}
32
33define void @powi_i16(float %V, ptr%P) {
34; CHECK-LABEL: @powi_i16(
35; CHECK-NEXT:    store volatile float 1.000000e+00, ptr [[P:%.*]], align 4
36; CHECK-NEXT:    store volatile float [[V:%.*]], ptr [[P]], align 4
37; CHECK-NEXT:    ret void
38;
39  %B = tail call float @llvm.powi.f32.i16(float %V, i16 0) nounwind
40  store volatile float %B, ptr %P
41
42  %C = tail call float @llvm.powi.f32.i16(float %V, i16 1) nounwind
43  store volatile float %C, ptr %P
44
45  ret void
46}
47