llvm/test/Transforms/AtomicExpand/AArch64/expand-atomicrmw-xchg-fp.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -O1 -S -mtriple=aarch64-- -atomic-expand %s | FileCheck %s
; RUN: opt -O1 -S -mtriple=aarch64-- -mattr=+outline-atomics -atomic-expand %s | FileCheck %s --check-prefix=OUTLINE-ATOMICS

define void @atomic_swap_f16(half* %ptr, half %val) nounwind {
; CHECK-LABEL: @atomic_swap_f16(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast half* [[PTR:%.*]] to i16*
; CHECK-NEXT:    [[TMP2:%.*]] = bitcast half [[VAL:%.*]] to i16
; CHECK-NEXT:    br label [[ATOMICRMW_START:%.*]]
; CHECK:       atomicrmw.start:
; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.aarch64.ldaxr.p0i16(i16* [[TMP1]])
; CHECK-NEXT:    [[TMP4:%.*]] = trunc i64 [[TMP3]] to i16
; CHECK-NEXT:    [[TMP5:%.*]] = zext i16 [[TMP2]] to i64
; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @llvm.aarch64.stxr.p0i16(i64 [[TMP5]], i16* [[TMP1]])
; CHECK-NEXT:    [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP6]], 0
; CHECK-NEXT:    br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]]
; CHECK:       atomicrmw.end:
; CHECK-NEXT:    [[TMP7:%.*]] = bitcast i16 [[TMP4]] to half
; CHECK-NEXT:    ret void
;
; OUTLINE-ATOMICS-LABEL: @atomic_swap_f16(
; OUTLINE-ATOMICS-NEXT:    [[TMP1:%.*]] = bitcast half* [[PTR:%.*]] to i16*
; OUTLINE-ATOMICS-NEXT:    [[TMP2:%.*]] = bitcast half [[VAL:%.*]] to i16
; OUTLINE-ATOMICS-NEXT:    [[TMP3:%.*]] = atomicrmw xchg i16* [[TMP1]], i16 [[TMP2]] acquire, align 2
; OUTLINE-ATOMICS-NEXT:    [[TMP4:%.*]] = bitcast i16 [[TMP3]] to half
; OUTLINE-ATOMICS-NEXT:    ret void
;
  %t1 = atomicrmw xchg half* %ptr, half %val acquire
  ret void
}

define void @atomic_swap_f32(float* %ptr, float %val) nounwind {
; CHECK-LABEL: @atomic_swap_f32(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast float* [[PTR:%.*]] to i32*
; CHECK-NEXT:    [[TMP2:%.*]] = bitcast float [[VAL:%.*]] to i32
; CHECK-NEXT:    br label [[ATOMICRMW_START:%.*]]
; CHECK:       atomicrmw.start:
; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.aarch64.ldaxr.p0i32(i32* [[TMP1]])
; CHECK-NEXT:    [[TMP4:%.*]] = trunc i64 [[TMP3]] to i32
; CHECK-NEXT:    [[TMP5:%.*]] = zext i32 [[TMP2]] to i64
; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @llvm.aarch64.stxr.p0i32(i64 [[TMP5]], i32* [[TMP1]])
; CHECK-NEXT:    [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP6]], 0
; CHECK-NEXT:    br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]]
; CHECK:       atomicrmw.end:
; CHECK-NEXT:    [[TMP7:%.*]] = bitcast i32 [[TMP4]] to float
; CHECK-NEXT:    ret void
;
; OUTLINE-ATOMICS-LABEL: @atomic_swap_f32(
; OUTLINE-ATOMICS-NEXT:    [[TMP1:%.*]] = bitcast float* [[PTR:%.*]] to i32*
; OUTLINE-ATOMICS-NEXT:    [[TMP2:%.*]] = bitcast float [[VAL:%.*]] to i32
; OUTLINE-ATOMICS-NEXT:    [[TMP3:%.*]] = atomicrmw xchg i32* [[TMP1]], i32 [[TMP2]] acquire, align 4
; OUTLINE-ATOMICS-NEXT:    [[TMP4:%.*]] = bitcast i32 [[TMP3]] to float
; OUTLINE-ATOMICS-NEXT:    ret void
;
  %t1 = atomicrmw xchg float* %ptr, float %val acquire
  ret void
}

define void @atomic_swap_f64(double* %ptr, double %val) nounwind {
; CHECK-LABEL: @atomic_swap_f64(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast double* [[PTR:%.*]] to i64*
; CHECK-NEXT:    [[TMP2:%.*]] = bitcast double [[VAL:%.*]] to i64
; CHECK-NEXT:    br label [[ATOMICRMW_START:%.*]]
; CHECK:       atomicrmw.start:
; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.aarch64.ldaxr.p0i64(i64* [[TMP1]])
; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @llvm.aarch64.stxr.p0i64(i64 [[TMP2]], i64* [[TMP1]])
; CHECK-NEXT:    [[TRYAGAIN:%.*]] = icmp ne i32 [[TMP4]], 0
; CHECK-NEXT:    br i1 [[TRYAGAIN]], label [[ATOMICRMW_START]], label [[ATOMICRMW_END:%.*]]
; CHECK:       atomicrmw.end:
; CHECK-NEXT:    [[TMP5:%.*]] = bitcast i64 [[TMP3]] to double
; CHECK-NEXT:    ret void
;
; OUTLINE-ATOMICS-LABEL: @atomic_swap_f64(
; OUTLINE-ATOMICS-NEXT:    [[TMP1:%.*]] = bitcast double* [[PTR:%.*]] to i64*
; OUTLINE-ATOMICS-NEXT:    [[TMP2:%.*]] = bitcast double [[VAL:%.*]] to i64
; OUTLINE-ATOMICS-NEXT:    [[TMP3:%.*]] = atomicrmw xchg i64* [[TMP1]], i64 [[TMP2]] acquire, align 8
; OUTLINE-ATOMICS-NEXT:    [[TMP4:%.*]] = bitcast i64 [[TMP3]] to double
; OUTLINE-ATOMICS-NEXT:    ret void
;
  %t1 = atomicrmw xchg double* %ptr, double %val acquire
  ret void
}