1 ; RUN: opt -S -gvn-hoist < %s 2 3 define void @_Z3fn2v() #0 { 4 entry: 5 %a = alloca i8*, align 8 6 %b = alloca i32, align 4 7 %0 = load i8*, i8** %a, align 8 8 store i8 0, i8* %0, align 1 9 %1 = load i32, i32* %b, align 4 10 %tobool = icmp ne i32 %1, 0 11 br i1 %tobool, label %if.then, label %if.end 12 13 if.then: ; preds = %entry 14 %call = call i64 @_Z3fn1v() #2 15 %conv = trunc i64 %call to i32 16 store i32 %conv, i32* %b, align 4 17 br label %if.end 18 19 if.end: ; preds = %if.then, %entry 20 %2 = load i8*, i8** %a, align 8 21 store i8 0, i8* %2, align 1 22 ret void 23 } 24 25 ; Function Attrs: nounwind readonly 26 declare i64 @_Z3fn1v() #1 27 28 attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 29 attributes #1 = { nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 30 attributes #2 = { nounwind readonly } 31
