1; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 | FileCheck %s
2; rdar://7354379
3
4declare double @foo(double) nounwind readnone
5
6define void @t(i32 %c, double %b) {
7entry:
8  %cmp1 = icmp ne i32 %c, 0
9  br i1 %cmp1, label %bb3, label %bb1
10
11bb1:                                              ; preds = %entry
12  unreachable
13
14bb3:                                              ; preds = %entry
15  %cmp2 = icmp ne i32 %c, 0
16  br i1 %cmp2, label %bb7, label %bb5
17
18bb5:                                              ; preds = %bb3
19  unreachable
20
21bb7:                                              ; preds = %bb3
22  %cmp3 = icmp ne i32 %c, 0
23  br i1 %cmp3, label %bb11, label %bb9
24
25bb9:                                              ; preds = %bb7
26; CHECK:      cmp	r0, #0
27; CHECK-NEXT:      cbnz
28  %0 = tail call  double @foo(double %b) nounwind readnone ; <double> [#uses=0]
29  br label %bb11
30
31bb11:                                             ; preds = %bb9, %bb7
32  %1 = getelementptr i32, i32* undef, i32 0
33  store i32 0, i32* %1
34  ret void
35}
36