| Saleem Abdulrasool | 7258735 | 2014-04-03 16:01:44 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 %s -o - | FileCheck %s |
| 2 | ; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 -arm-use-mulops=false %s -o - \ |
| 3 | ; RUN: | FileCheck %s -check-prefix=NO_MULOPS |
| Evan Cheng | e63b0e6 | 2009-07-06 22:05:45 +0000 | [diff] [blame] | 4 | |
| 5 | define i32 @f1(i32 %a, i32 %b, i32 %c) { |
| 6 | %tmp1 = mul i32 %a, %b |
| 7 | %tmp2 = sub i32 %c, %tmp1 |
| 8 | ret i32 %tmp2 |
| 9 | } |
| 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 | 15dd462 | 2009-11-22 11:45:44 +0000 | [diff] [blame] | 17 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 18 | ; CHECK-LABEL: f1: |
| Edward O'Callaghan | 15dd462 | 2009-11-22 11:45:44 +0000 | [diff] [blame] | 19 | ; CHECK: mls r0, r0, r1, r2 |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 20 | ; NO_MULOPS-LABEL: f1: |
| Bob Wilson | e8a549c | 2012-09-29 21:43:49 +0000 | [diff] [blame] | 21 | ; NO_MULOPS: mul r0, r0, r1 |
| 22 | ; NO_MULOPS-NEXT: sub r0, r2, r0 |
| 23 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 24 | ; CHECK-LABEL: f2: |
| Bob Wilson | e8a549c | 2012-09-29 21:43:49 +0000 | [diff] [blame] | 25 | ; CHECK: mul r0, r0, r1 |
| 26 | ; CHECK-NEXT: sub r0, r0, r2 |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 27 | ; NO_MULOPS-LABEL: f2: |
| Bob Wilson | e8a549c | 2012-09-29 21:43:49 +0000 | [diff] [blame] | 28 | ; NO_MULOPS: mul r0, r0, r1 |
| 29 | ; NO_MULOPS-NEXT: sub r0, r0, r2 |