| ; RUN: llc < %s -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown | FileCheck %s |
| define i8 @atomic_min_i8() { |
| top: |
| %0 = alloca i8, align 2 |
| call void @llvm.lifetime.start.p0(i64 2, ptr %0) |
| store i8 -1, ptr %0, align 2 |
| %1 = atomicrmw min ptr %0, i8 0 acq_rel |
| %2 = load atomic i8, ptr %0 acquire, align 8 |
| call void @llvm.lifetime.end.p0(i64 2, ptr %0) |
| ret i8 %2 |
| ; CHECK-LABEL: atomic_min_i8 |
| ; CHECK: lbarx [[DST:[0-9]+]], |
| ; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]] |
| ; CHECK-NEXT: cmpw [[EXT]], {{[0-9]+}} |
| ; CHECK-NEXT: blt 0 |
| } |
| define i16 @atomic_min_i16() { |
| top: |
| %0 = alloca i16, align 2 |
| call void @llvm.lifetime.start.p0(i64 2, ptr %0) |
| store i16 -1, ptr %0, align 2 |
| %1 = atomicrmw min ptr %0, i16 0 acq_rel |
| %2 = load atomic i16, ptr %0 acquire, align 8 |
| call void @llvm.lifetime.end.p0(i64 2, ptr %0) |
| ret i16 %2 |
| ; CHECK-LABEL: atomic_min_i16 |
| ; CHECK: lharx [[DST:[0-9]+]], |
| ; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]] |
| ; CHECK-NEXT: cmpw [[EXT]], {{[0-9]+}} |
| ; CHECK-NEXT: blt 0 |
| } |
| |
| define i8 @atomic_max_i8() { |
| top: |
| %0 = alloca i8, align 2 |
| call void @llvm.lifetime.start.p0(i64 2, ptr %0) |
| store i8 -1, ptr %0, align 2 |
| %1 = atomicrmw max ptr %0, i8 0 acq_rel |
| %2 = load atomic i8, ptr %0 acquire, align 8 |
| call void @llvm.lifetime.end.p0(i64 2, ptr %0) |
| ret i8 %2 |
| ; CHECK-LABEL: atomic_max_i8 |
| ; CHECK: lbarx [[DST:[0-9]+]], |
| ; CHECK-NEXT: extsb [[EXT:[0-9]+]], [[DST]] |
| ; CHECK-NEXT: cmpw [[EXT]], {{[0-9]+}} |
| ; CHECK-NEXT: bgt 0 |
| } |
| define i16 @atomic_max_i16() { |
| top: |
| %0 = alloca i16, align 2 |
| call void @llvm.lifetime.start.p0(i64 2, ptr %0) |
| store i16 -1, ptr %0, align 2 |
| %1 = atomicrmw max ptr %0, i16 0 acq_rel |
| %2 = load atomic i16, ptr %0 acquire, align 8 |
| call void @llvm.lifetime.end.p0(i64 2, ptr %0) |
| ret i16 %2 |
| ; CHECK-LABEL: atomic_max_i16 |
| ; CHECK: lharx [[DST:[0-9]+]], |
| ; CHECK-NEXT: extsh [[EXT:[0-9]+]], [[DST]] |
| ; CHECK-NEXT: cmpw [[EXT]], {{[0-9]+}} |
| ; CHECK-NEXT: bgt 0 |
| } |
| |
| declare void @llvm.lifetime.start.p0(i64, ptr) |
| declare void @llvm.lifetime.end.p0(i64, ptr) |