| Michael Kuperstein | 037c998 | 2016-01-06 18:40:11 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o - -enable-shrink-wrap=true | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" |
| 4 | target triple = "i686-pc-linux" |
| 5 | |
| 6 | @b = global i32 1, align 4 |
| 7 | @a = common global i32 0, align 4 |
| 8 | |
| 9 | declare void @fn1() #0 |
| 10 | |
| 11 | ; CHECK-LABEL: fn2: |
| 12 | define void @fn2() #0 { |
| 13 | entry: |
| 14 | %0 = load i32, i32* @b, align 4 |
| 15 | %tobool = icmp eq i32 %0, 0 |
| 16 | br i1 %tobool, label %if.end, label %lbl |
| 17 | |
| 18 | lbl: ; preds = %if.end, %entry |
| 19 | store i32 0, i32* @b, align 4 |
| 20 | br label %if.end |
| 21 | |
| 22 | if.end: ; preds = %entry, %lbl |
| 23 | tail call void @fn1() |
| 24 | %1 = load i32, i32* @b, align 4 |
| 25 | %tobool1 = icmp eq i32 %1, 0 |
| 26 | br i1 %tobool1, label %if.end3, label %lbl |
| 27 | |
| 28 | if.end3: ; preds = %if.end |
| 29 | ret void |
| 30 | } |
| 31 | |
| 32 | 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" } |