| Tanya Lattner | 0ea4c8d | 2008-03-19 04:36:04 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep mul | count 2 |
| Chris Lattner | f97c7f5 | 2006-03-04 09:35:02 +0000 | [diff] [blame] | 2 | |
| 3 | ; This should have exactly 2 multiplies when we're done. |
| 4 | |
| Tanya Lattner | 0ea4c8d | 2008-03-19 04:36:04 +0000 | [diff] [blame^] | 5 | define i32 @f(i32 %a, i32 %b) { |
| 6 | %tmp.2 = mul i32 %a, %a ; <i32> [#uses=1] |
| 7 | %tmp.5 = shl i32 %a, 1 ; <i32> [#uses=1] |
| 8 | %tmp.6 = mul i32 %tmp.5, %b ; <i32> [#uses=1] |
| 9 | %tmp.10 = mul i32 %b, %b ; <i32> [#uses=1] |
| 10 | %tmp.7 = add i32 %tmp.6, %tmp.2 ; <i32> [#uses=1] |
| 11 | %tmp.11 = add i32 %tmp.7, %tmp.10 ; <i32> [#uses=1] |
| 12 | ret i32 %tmp.11 |
| Chris Lattner | f97c7f5 | 2006-03-04 09:35:02 +0000 | [diff] [blame] | 13 | } |
| 14 | |