| ; RUN: llc -o - %s | FileCheck %s |
| target triple = "x86_64--" |
| |
| ; Make sure we do not crash in tail duplication when finding no successor of a |
| ; block. |
| ; CHECK-LABEL: func: |
| ; CHECK: testb |
| ; CHECK: je |
| ; CHECK: retq |
| ; CHECK: jmp |
| define hidden void @func(i1 %arg) { |
| entry: |
| br i1 %arg, label %for.cond.cleanup, label %while.cond.preheader |
| |
| while.cond.preheader: |
| br label %while.cond |
| |
| for.cond.cleanup: |
| ret void |
| |
| while.cond: |
| %cmp.i202 = icmp eq ptr undef, undef |
| br i1 %cmp.i202, label %while.cond.preheader, label %while.cond |
| } |
