1 ; RUN: opt -aa-pipeline=globals-aa,basic-aa -passes='require<globals-aa>,gvn' -S < %s | FileCheck %s
3 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 @deallocCalled = internal global i8 0, align 1
9 define dso_local i32 @main() {
11 %tmp0 = call ptr @llvm.stacksave() #1
12 %tmp6 = load i8, ptr @deallocCalled, align 1
13 %tobool = icmp ne i8 %tmp6, 0
14 br i1 %tobool, label %if.else, label %if.end
16 if.else: ; preds = %entry
17 call void @__assert_fail() #0
20 ; CHECK-LABEL: if.end:
21 ; CHECK-NEXT: call void @llvm.stackrestore
22 ; CHECK-NOT: load i8, ptr @deallocCalled
23 if.end: ; preds = %entry
24 call void @llvm.stackrestore(ptr %tmp0)
25 %tmp7 = load i8, ptr @deallocCalled, align 1
26 %tobool3 = icmp ne i8 %tmp7, 0
27 br i1 %tobool3, label %if.end6, label %if.else5
29 if.else5: ; preds = %if.end
30 call void @__assert_fail() #0
33 if.end6: ; preds = %if.end
34 store i8 0, ptr @deallocCalled, align 1
38 declare ptr @llvm.stacksave() #1
39 declare void @llvm.stackrestore(ptr) #1
40 declare dso_local void @__assert_fail() #0
42 attributes #0 = { noreturn nosync nounwind }
43 attributes #1 = { nosync nounwind }