| ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9 %s -o - | FileCheck %s |
| |
| ; CHECK-LABEL: max: |
| define i32 @max(i8 %ctx, ptr %ptr, i32 %val) |
| { |
| ; CHECK: ldrex |
| ; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] |
| ; CHECK: movhi {{r[0-9]*}}, [[old]] |
| %old = atomicrmw umax ptr %ptr, i32 %val monotonic |
| ret i32 %old |
| } |
| |
| ; CHECK-LABEL: min: |
| define i32 @min(i8 %ctx, ptr %ptr, i32 %val) |
| { |
| ; CHECK: ldrex |
| ; CHECK: cmp [[old:r[0-9]*]], [[val:r[0-9]*]] |
| ; CHECK: movls {{r[0-9]*}}, [[old]] |
| %old = atomicrmw umin ptr %ptr, i32 %val monotonic |
| ret i32 %old |
| } |