1; RUN: opt -globals-aa -gvn -S < %s | FileCheck %s
2
3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6@deallocCalled = internal global i8 0, align 1
7
8define internal i8* @_i_Associated__dealloc() {
9entry:
10  store i8 1, i8* @deallocCalled, align 1
11  ret i8* null
12}
13
14; CHECK-LABEL: @main()
15define dso_local i32 @main() {
16entry:
17  %tmp0 = call i8* @llvm.objc.autoreleasePoolPush() #1
18  %tmp6 = load i8, i8* @deallocCalled, align 1
19  %tobool = icmp ne i8 %tmp6, 0
20  br i1 %tobool, label %if.else, label %if.end
21
22if.else:                                          ; preds = %entry
23  call void @__assert_fail() #0
24  unreachable
25
26; CHECK-LABEL: if.end:
27; CHECK-NEXT: call void @llvm.objc.autoreleasePoolPop
28; CHECK-NOT: load i8, i8* @deallocCalled
29if.end:                                           ; preds = %entry
30  call void @llvm.objc.autoreleasePoolPop(i8* %tmp0)
31  %tmp7 = load i8, i8* @deallocCalled, align 1
32  %tobool3 = icmp ne i8 %tmp7, 0
33  br i1 %tobool3, label %if.end6, label %if.else5
34
35if.else5:                                         ; preds = %if.end
36  call void @__assert_fail() #0
37  unreachable
38
39if.end6:                                          ; preds = %if.end
40  store i8 0, i8* @deallocCalled, align 1
41  ret i32 0
42}
43
44declare i8* @llvm.objc.autoreleasePoolPush() #1
45declare void @llvm.objc.autoreleasePoolPop(i8*) #1
46declare dso_local void @__assert_fail() #0
47
48attributes #0 = { noreturn nounwind }
49attributes #1 = { nounwind }
50
51