1 ; RUN: opt -instcombine -S -disable-simplify-libcalls < %s | FileCheck %s 2 ; rdar://10466410 3 4 ; Instcombine tries to fold (fptrunc (sqrt (fpext x))) -> (sqrtf x), but this 5 ; shouldn't fold when sqrtf isn't available. 6 define float @foo(float %f) uwtable ssp { 7 entry: 8 ; CHECK: %conv = fpext float %f to double 9 ; CHECK: %call = tail call double @sqrt(double %conv) 10 ; CHECK: %conv1 = fptrunc double %call to float 11 %conv = fpext float %f to double 12 %call = tail call double @sqrt(double %conv) 13 %conv1 = fptrunc double %call to float 14 ret float %conv1 15 } 16 17 declare double @sqrt(double) 18
