| ; RUN: llc %s -o - -enable-shrink-wrap=true | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" |
| target triple = "i686-pc-linux" |
| |
| @b = global i32 1, align 4 |
| @a = common global i32 0, align 4 |
| |
| declare void @fn1() #0 |
| |
| ; CHECK-LABEL: fn2: |
| define void @fn2() #0 { |
| entry: |
| %0 = load i32, i32* @b, align 4 |
| %tobool = icmp eq i32 %0, 0 |
| br i1 %tobool, label %if.end, label %lbl |
| |
| lbl: ; preds = %if.end, %entry |
| store i32 0, i32* @b, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %entry, %lbl |
| tail call void @fn1() |
| %1 = load i32, i32* @b, align 4 |
| %tobool1 = icmp eq i32 %1, 0 |
| br i1 %tobool1, label %if.end3, label %lbl |
| |
| if.end3: ; preds = %if.end |
| ret void |
| } |
| |
| attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
