|  | ; 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" } |