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; RUN: opt -aa-pipeline=globals-aa,basic-aa -passes='require<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 ptr @_i_Associated__dealloc() {
entry:
store i8 1, ptr @deallocCalled, align 1
ret ptr null
}
; CHECK-LABEL: @main()
define dso_local i32 @main() {
entry:
%tmp0 = call ptr @llvm.stacksave() #1
%tmp6 = load i8, ptr @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.stackrestore
; CHECK-NOT: load i8, ptr @deallocCalled
if.end: ; preds = %entry
call void @llvm.stackrestore(ptr %tmp0)
%tmp7 = load i8, ptr @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, ptr @deallocCalled, align 1
ret i32 0
}
declare ptr @llvm.stacksave() #1
declare void @llvm.stackrestore(ptr) #1
declare dso_local void @__assert_fail() #0
attributes #0 = { noreturn nosync nounwind }
attributes #1 = { nosync nounwind }
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