| Chris Lattner | bcecb4b | 2003-04-18 19:22:39 +0000 | [diff] [blame] | 1 | ; This testcases makes sure that mem2reg can handle unreachable blocks. |
| Reid Spencer | 69ccadd | 2006-12-02 04:23:10 +0000 | [diff] [blame] | 2 | ; RUN: llvm-upgrade < %s | llvm-as | opt -mem2reg |
| Chris Lattner | bcecb4b | 2003-04-18 19:22:39 +0000 | [diff] [blame] | 3 | |
| 4 | int %test() { | ||||
| 5 | %X = alloca int | ||||
| 6 | |||||
| 7 | store int 6, int* %X | ||||
| 8 | br label %Loop | ||||
| 9 | Loop: | ||||
| 10 | store int 5, int* %X | ||||
| 11 | br label %EndOfLoop | ||||
| 12 | Unreachable: | ||||
| 13 | br label %EndOfLoop | ||||
| 14 | |||||
| 15 | EndOfLoop: | ||||
| 16 | br label %Loop | ||||
| 17 | } | ||||