xref: /llvm-project/llvm/test/CodeGen/X86/2023-02-22-combineMinNumMaxNum.ll (revision af4c4f4e21434ae306b7ee83691b5a8c2d90e576)
1; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skylake
2
3; Checking for a DAGCombine ICE.
4
5define float @test_combinemaxnum(float %sub) #0 {
6L.entry:
7  %maxnum1 = call float @llvm.maxnum.f32(float 0.000000e+00, float 0.000000e+00)
8  br label %L.LB21_850
9
10L.LB21_850:
11  %neg1 = fneg fast float %maxnum1
12  %neg2 = fneg fast float %sub
13  %mask = fcmp fast ule float %maxnum1, %neg2
14  %maxnum2 = select i1 %mask, float %neg1, float %sub
15  ret float %maxnum2
16}
17
18declare float @llvm.maxnum.f32(float, float)
19
20attributes #0 = { "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" }
21