| ; RUN: llc < %s -verify-machineinstrs -mtriple=i686-linux -mattr=-sse | FileCheck %s |
| ; PR11768 |
| |
| @ptr = external dso_local global ptr |
| |
| define void @baz() nounwind ssp { |
| entry: |
| %0 = load ptr, ptr @ptr, align 4 |
| %cmp = icmp eq ptr %0, null |
| fence seq_cst |
| br i1 %cmp, label %if.then, label %if.else |
| |
| ; Make sure the fence comes before the comparison, since it |
| ; clobbers EFLAGS. |
| |
| ; CHECK: lock orl {{.*}}, (%esp) |
| ; CHECK-NEXT: testl [[REG:%e[a-z]+]], [[REG]] |
| |
| if.then: ; preds = %entry |
| tail call void @foo() nounwind |
| br label %if.end |
| |
| if.else: ; preds = %entry |
| tail call void @bar() nounwind |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| ret void |
| } |
| |
| declare void @foo(...) |
| |
| declare void @bar(...) |
