| ; This testcases makes sure that mem2reg can handle unreachable blocks. | |
| ; RUN: llvm-as < %s | opt -mem2reg | |
| define i32 @test() { | |
| %X = alloca i32 ; <i32*> [#uses=2] | |
| store i32 6, i32* %X | |
| br label %Loop | |
| Loop: ; preds = %EndOfLoop, %0 | |
| store i32 5, i32* %X | |
| br label %EndOfLoop | |
| Unreachable: ; No predecessors! | |
| br label %EndOfLoop | |
| EndOfLoop: ; preds = %Unreachable, %Loop | |
| br label %Loop | |
| } | |