| NAKAMURA Takumi | aaf189b | 2012-09-26 10:12:20 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=arm -mcpu=cortex-a9 < %s | FileCheck %s |
| James Molloy | 9e98ef1 | 2012-09-26 09:48:32 +0000 | [diff] [blame] | 2 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame^] | 3 | ; CHECK-LABEL: max: |
| James Molloy | 9e98ef1 | 2012-09-26 09:48:32 +0000 | [diff] [blame] | 4 | define i32 @max(i8 %ctx, i32* %ptr, i32 %val) |
| 5 | { |
| 6 | ; CHECK: ldrex |
| 7 | ; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] |
| 8 | ; CHECK: movhi {{r[0-9]*}}, [[old]] |
| 9 | %old = atomicrmw umax i32* %ptr, i32 %val monotonic |
| 10 | ret i32 %old |
| 11 | } |
| 12 | |
| Stephen Lin | d24ab20 | 2013-07-14 06:24:09 +0000 | [diff] [blame^] | 13 | ; CHECK-LABEL: min: |
| James Molloy | 9e98ef1 | 2012-09-26 09:48:32 +0000 | [diff] [blame] | 14 | define i32 @min(i8 %ctx, i32* %ptr, i32 %val) |
| 15 | { |
| 16 | ; CHECK: ldrex |
| 17 | ; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] |
| 18 | ; CHECK: movlo {{r[0-9]*}}, [[old]] |
| 19 | %old = atomicrmw umin i32* %ptr, i32 %val monotonic |
| 20 | ret i32 %old |
| 21 | } |