reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -mcpu=x86-64 < %s | FileCheck %s ; Make sure the float conversion is folded away as it should be. ; CHECK-LABEL: foo ; CHECK-NOT: cvt ; CHECK: movzbl define i32 @foo(i8 %a) #0 { %conv = uitofp i8 %a to float %conv1 = fptosi float %conv to i32 ret i32 %conv1 } ; CHECK-LABEL: foo2 ; CHECK-NOT: cvt ; CHECK: movsbl define i32 @foo2(i8 %a) #0 { %conv = sitofp i8 %a to float %conv1 = fptosi float %conv to i32 ret i32 %conv1 } ; CHECK-LABEL: bar ; CHECK-NOT: cvt ; CHECK: movl define zeroext i8 @bar(i8 zeroext %a) #0 { %conv = uitofp i8 %a to float %conv1 = fptoui float %conv to i8 ret i8 %conv1 } attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |