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