| Reid Spencer | 69ccadd | 2006-12-02 04:23:10 +0000 | [diff] [blame] | 1 | ; RUN: llvm-upgrade < %s | llvm-as | opt -reassociate -instcombine | llvm-dis | not grep 'sub int 0' |
| Chris Lattner | 22d0631 | 2005-05-08 21:41:18 +0000 | [diff] [blame] | 2 | |
| 3 | int %test(int %X, int %Y, int %Z) { | ||||
| 4 | %A = sub int 0, %X | ||||
| 5 | %B = mul int %A, %Y | ||||
| 6 | %C = add int %B, %Z ; (-X)*Y + Z -> Z-X*Y | ||||
| 7 | ret int %C | ||||
| 8 | } | ||||