1; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
2target 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-n8:16:32"
3target triple = "i386-apple-darwin11.0.0"
4
5@sortlist = external global [5001 x i32], align 4
6
7define void @Bubble() nounwind noinline {
8; CHECK: entry:
9; CHECK-NEXT: %tmp7.pre = load i32
10entry:
11  br label %while.body5
12
13; CHECK: while.body5:
14; CHECK: %tmp7 = phi i32
15; CHECK-NOT: %tmp7 = load i32
16while.body5:
17  %indvar = phi i32 [ 0, %entry ], [ %tmp6, %if.end ]
18  %tmp5 = add i32 %indvar, 2
19  %arrayidx9 = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp5
20  %tmp6 = add i32 %indvar, 1
21  %arrayidx = getelementptr [5001 x i32]* @sortlist, i32 0, i32 %tmp6
22  %tmp7 = load i32* %arrayidx, align 4
23  %tmp10 = load i32* %arrayidx9, align 4
24  %cmp11 = icmp sgt i32 %tmp7, %tmp10
25  br i1 %cmp11, label %if.then, label %if.end
26
27; CHECK: if.then:
28if.then:
29  store i32 %tmp10, i32* %arrayidx, align 4
30  store i32 %tmp7, i32* %arrayidx9, align 4
31  br label %if.end
32
33if.end:
34  %exitcond = icmp eq i32 %tmp6, 100
35  br i1 %exitcond, label %while.end.loopexit, label %while.body5
36
37while.end.loopexit:
38  ret void
39}
40