1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -mtriple=aarch64-- -atomic-expand %s | FileCheck %s 3; RUN: opt -S -mtriple=aarch64-- -mattr=+outline-atomics -atomic-expand %s | FileCheck %s --check-prefix=OUTLINE-ATOMICS 4 5define void @atomic_swap_f16(half* %ptr, half %val) nounwind { 6; CHECK-LABEL: @atomic_swap_f16( 7; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] 8; CHECK: atomicrmw.start: 9; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.aarch64.ldaxr.p0f16(half* [[PTR:%.*]]) 10; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i16 11; CHECK-NEXT: [[TMP3:%.*]] = bitcast i16 [[TMP2]] to half 12; CHECK-NEXT: [[TMP4:%.*]] = bitcast half [[VAL:%.*]] to i16 13; CHECK-NEXT: [[TMP5:%.*]] = zext i16 [[TMP4]] to i64 14; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.aarch64.stxr.p0f16(i64 [[TMP5]], half* [[PTR]]) 15; CHECK-NEXT: [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP6]], 0 16; CHECK-NEXT: br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]] 17; CHECK: atomicrmw.end: 18; CHECK-NEXT: ret void 19; 20; OUTLINE-ATOMICS-LABEL: @atomic_swap_f16( 21; OUTLINE-ATOMICS-NEXT: [[T1:%.*]] = atomicrmw xchg half* [[PTR:%.*]], half [[VAL:%.*]] acquire 22; OUTLINE-ATOMICS-NEXT: ret void 23; 24 %t1 = atomicrmw xchg half* %ptr, half %val acquire 25 ret void 26} 27 28define void @atomic_swap_f32(float* %ptr, float %val) nounwind { 29; CHECK-LABEL: @atomic_swap_f32( 30; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] 31; CHECK: atomicrmw.start: 32; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.aarch64.ldaxr.p0f32(float* [[PTR:%.*]]) 33; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32 34; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32 [[TMP2]] to float 35; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[VAL:%.*]] to i32 36; CHECK-NEXT: [[TMP5:%.*]] = zext i32 [[TMP4]] to i64 37; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.aarch64.stxr.p0f32(i64 [[TMP5]], float* [[PTR]]) 38; CHECK-NEXT: [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP6]], 0 39; CHECK-NEXT: br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]] 40; CHECK: atomicrmw.end: 41; CHECK-NEXT: ret void 42; 43; OUTLINE-ATOMICS-LABEL: @atomic_swap_f32( 44; OUTLINE-ATOMICS-NEXT: [[T1:%.*]] = atomicrmw xchg float* [[PTR:%.*]], float [[VAL:%.*]] acquire 45; OUTLINE-ATOMICS-NEXT: ret void 46; 47 %t1 = atomicrmw xchg float* %ptr, float %val acquire 48 ret void 49} 50 51define void @atomic_swap_f64(double* %ptr, double %val) nounwind { 52; CHECK-LABEL: @atomic_swap_f64( 53; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]] 54; CHECK: atomicrmw.start: 55; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.aarch64.ldaxr.p0f64(double* [[PTR:%.*]]) 56; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64 [[TMP1]] to double 57; CHECK-NEXT: [[TMP3:%.*]] = bitcast double [[VAL:%.*]] to i64 58; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.aarch64.stxr.p0f64(i64 [[TMP3]], double* [[PTR]]) 59; CHECK-NEXT: [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP4]], 0 60; CHECK-NEXT: br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]] 61; CHECK: atomicrmw.end: 62; CHECK-NEXT: ret void 63; 64; OUTLINE-ATOMICS-LABEL: @atomic_swap_f64( 65; OUTLINE-ATOMICS-NEXT: [[T1:%.*]] = atomicrmw xchg double* [[PTR:%.*]], double [[VAL:%.*]] acquire 66; OUTLINE-ATOMICS-NEXT: ret void 67; 68 %t1 = atomicrmw xchg double* %ptr, double %val acquire 69 ret void 70} 71