| ; RUN: opt < %s -indvars -S | FileCheck %s | |
| ; PR4775 | |
| ; Indvars shouldn't sink the alloca out of the entry block, even though | |
| ; it's not used until after the loop. | |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | |
| target triple = "i386-apple-darwin10.0" | |
| @llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @main to i8*)], | |
| section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] | |
| define i32 @main() nounwind { | |
| ; CHECK: entry: | |
| ; CHECK-NEXT: %result.i = alloca i32, align 4 | |
| entry: | |
| %result.i = alloca i32, align 4 ; <i32*> [#uses=2] | |
| br label %while.cond | |
| while.cond: ; preds = %while.cond, %entry | |
| %call = call i32 @bar() nounwind ; <i32> [#uses=1] | |
| %tobool = icmp eq i32 %call, 0 ; <i1> [#uses=1] | |
| br i1 %tobool, label %while.end, label %while.cond | |
| while.end: ; preds = %while.cond | |
| volatile store i32 0, i32* %result.i | |
| %tmp.i = volatile load i32* %result.i ; <i32> [#uses=0] | |
| ret i32 0 | |
| } | |
| declare i32 @bar() |