| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; With sub reassociation, constant folding can eliminate all of the constants. |
| 2 | ; | ||||
| 3 | ; RUN: llvm-upgrade < %s | llvm-as | opt -reassociate -constprop -instcombine -dce | llvm-dis | not grep add | ||||
| 4 | |||||
| 5 | int %test(int %A, int %B) { | ||||
| 6 | %W = add int 5, %B | ||||
| 7 | %X = add int -7, %A | ||||
| 8 | %Y = sub int %X, %W | ||||
| 9 | %Z = add int %Y, 12 | ||||
| 10 | ret int %Z | ||||
| 11 | } | ||||