| Edward O'Callaghan | f4a93dd | 2009-11-22 15:18:27 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s |
| David Goodwin | 2634e98 | 2009-06-26 18:10:30 +0000 | [diff] [blame] | 2 | |
| 3 | define i32 @f1(i32 %a, i32 %b, i32 %c) { |
| 4 | %tmp1 = mul i32 %a, %b |
| 5 | %tmp2 = sub i32 %c, %tmp1 |
| 6 | ret i32 %tmp2 |
| 7 | } |
| Edward O'Callaghan | f4a93dd | 2009-11-22 15:18:27 +0000 | [diff] [blame] | 8 | ; CHECK: f1: |
| 9 | ; CHECK: mls r0, r0, r1, r2 |
| David Goodwin | 2634e98 | 2009-06-26 18:10:30 +0000 | [diff] [blame] | 10 | |
| 11 | ; sub doesn't commute, so no mls for this one |
| 12 | define i32 @f2(i32 %a, i32 %b, i32 %c) { |
| 13 | %tmp1 = mul i32 %a, %b |
| 14 | %tmp2 = sub i32 %tmp1, %c |
| 15 | ret i32 %tmp2 |
| 16 | } |
| Edward O'Callaghan | f4a93dd | 2009-11-22 15:18:27 +0000 | [diff] [blame] | 17 | ; CHECK: f2: |
| Jim Grosbach | fdf7c85 | 2012-02-24 00:33:36 +0000 | [diff] [blame] | 18 | ; CHECK: muls r0, r1, r0 |
| Edward O'Callaghan | f4a93dd | 2009-11-22 15:18:27 +0000 | [diff] [blame] | 19 | |