| ; 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 |
| |
| ; 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 } |
| |
