llvm/llvm/test/Transforms/GVNHoist/pr30499.ll

; RUN: opt -S -passes=gvn-hoist < %s

define void @_Z3fn2v() #0 {
entry:
  %a = alloca ptr, align 8
  %b = alloca i32, align 4
  %0 = load ptr, ptr %a, align 8
  store i8 0, ptr %0, align 1
  %1 = load i32, ptr %b, align 4
  %tobool = icmp ne i32 %1, 0
  br i1 %tobool, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  %call = call i64 @_Z3fn1v() #2
  %conv = trunc i64 %call to i32
  store i32 %conv, ptr %b, align 4
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  %2 = load ptr, ptr %a, align 8
  store i8 0, ptr %2, align 1
  ret void
}

; Function Attrs: nounwind readonly
declare i64 @_Z3fn1v() #1

attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
attributes #1 = { nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
attributes #2 = { nounwind readonly }