| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; This is a basic sanity check for constant propogation. The add instruction |
| 2 | ; should be eliminated. | ||||
| 3 | |||||
| 4 | ; RUN: llvm-upgrade < %s | llvm-as | opt -constprop -die | llvm-dis | not grep add | ||||
| 5 | |||||
| 6 | int %test(bool %B) { | ||||
| 7 | br bool %B, label %BB1, label %BB2 | ||||
| 8 | BB1: | ||||
| 9 | %Val = add int 0, 0 | ||||
| 10 | br label %BB3 | ||||
| 11 | BB2: | ||||
| 12 | br label %BB3 | ||||
| 13 | BB3: | ||||
| 14 | %Ret = phi int [%Val, %BB1], [1, %BB2] | ||||
| 15 | ret int %Ret | ||||
| 16 | } | ||||