| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skylake |
| |
| ; Checking for a DAGCombine ICE. |
| |
| define float @test_combinemaxnum(float %sub) #0 { |
| L.entry: |
| %maxnum1 = call float @llvm.maxnum.f32(float 0.000000e+00, float 0.000000e+00) |
| br label %L.LB21_850 |
| |
| L.LB21_850: |
| %neg1 = fneg fast float %maxnum1 |
| %neg2 = fneg fast float %sub |
| %mask = fcmp fast ule float %maxnum1, %neg2 |
| %maxnum2 = select i1 %mask, float %neg1, float %sub |
| ret float %maxnum2 |
| } |
| |
| declare float @llvm.maxnum.f32(float, float) |
| |
| attributes #0 = { "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="true" } |