| Chandler Carruth | f6f5753 | 2012-04-22 10:11:23 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s |
| Chris Lattner | f97c7f5 | 2006-03-04 09:35:02 +0000 | [diff] [blame] | 2 | |
| Tanya Lattner | 0ea4c8d | 2008-03-19 04:36:04 +0000 | [diff] [blame] | 3 | define i32 @f(i32 %a, i32 %b) { |
| Chandler Carruth | f6f5753 | 2012-04-22 10:11:23 +0000 | [diff] [blame^] | 4 | ; CHECK: @f |
| 5 | ; CHECK: mul |
| 6 | ; CHECK: mul |
| 7 | ; CHECK-NOT: mul |
| 8 | ; CHECK: ret |
| 9 | |
| 10 | entry: |
| 11 | %tmp.2 = mul i32 %a, %a |
| 12 | %tmp.5 = shl i32 %a, 1 |
| 13 | %tmp.6 = mul i32 %tmp.5, %b |
| 14 | %tmp.10 = mul i32 %b, %b |
| 15 | %tmp.7 = add i32 %tmp.6, %tmp.2 |
| 16 | %tmp.11 = add i32 %tmp.7, %tmp.10 |
| Tanya Lattner | 0ea4c8d | 2008-03-19 04:36:04 +0000 | [diff] [blame] | 17 | ret i32 %tmp.11 |
| Chris Lattner | f97c7f5 | 2006-03-04 09:35:02 +0000 | [diff] [blame] | 18 | } |
| 19 | |