| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | |
| ; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s | |
| declare void @llvm.assume(i1) | |
| define void @fn(i1 %c) { | |
| ; CHECK-LABEL: @fn( | |
| ; CHECK-NEXT: entry: | |
| ; CHECK-NEXT: unreachable | |
| ; | |
| entry: | |
| call void @llvm.assume(i1 undef) | |
| br i1 %c, label %bb1, label %bb1 | |
| bb1: | |
| ret void | |
| } |