264 changes: 264 additions & 0 deletions llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fadd.ll
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -atomic-expand %s | FileCheck -check-prefix=CI %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -atomic-expand %s | FileCheck -check-prefix=GFX9 %s

define float @test_atomicrmw_fadd_f32_flat(float* %ptr, float %value) {
; CI-LABEL: @test_atomicrmw_fadd_f32_flat(
; CI-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32*
; CI-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CI-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret float [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f32_flat(
; GFX9-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4
; GFX9-NEXT: br label [[ATOMICRMW_START:%.*]]
; GFX9: atomicrmw.start:
; GFX9-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GFX9-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; GFX9-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32*
; GFX9-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; GFX9-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; GFX9-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; GFX9-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; GFX9-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; GFX9-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; GFX9-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GFX9: atomicrmw.end:
; GFX9-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fadd float* %ptr, float %value seq_cst
ret float %res
}

define float @test_atomicrmw_fadd_f32_global(float addrspace(1)* %ptr, float %value) {
; CI-LABEL: @test_atomicrmw_fadd_f32_global(
; CI-NEXT: [[TMP1:%.*]] = load float, float addrspace(1)* [[PTR:%.*]], align 4
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast float addrspace(1)* [[PTR]] to i32 addrspace(1)*
; CI-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CI-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(1)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret float [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f32_global(
; GFX9-NEXT: [[TMP1:%.*]] = load float, float addrspace(1)* [[PTR:%.*]], align 4
; GFX9-NEXT: br label [[ATOMICRMW_START:%.*]]
; GFX9: atomicrmw.start:
; GFX9-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GFX9-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; GFX9-NEXT: [[TMP2:%.*]] = bitcast float addrspace(1)* [[PTR]] to i32 addrspace(1)*
; GFX9-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; GFX9-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; GFX9-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(1)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; GFX9-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; GFX9-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; GFX9-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; GFX9-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GFX9: atomicrmw.end:
; GFX9-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fadd float addrspace(1)* %ptr, float %value seq_cst
ret float %res
}

define float @test_atomicrmw_fadd_f32_local(float addrspace(3)* %ptr, float %value) {
; CI-LABEL: @test_atomicrmw_fadd_f32_local(
; CI-NEXT: [[TMP1:%.*]] = load float, float addrspace(3)* [[PTR:%.*]], align 4
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast float addrspace(3)* [[PTR]] to i32 addrspace(3)*
; CI-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CI-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(3)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret float [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f32_local(
; GFX9-NEXT: [[RES:%.*]] = atomicrmw fadd float addrspace(3)* [[PTR:%.*]], float [[VALUE:%.*]] seq_cst
; GFX9-NEXT: ret float [[RES]]
;
%res = atomicrmw fadd float addrspace(3)* %ptr, float %value seq_cst
ret float %res
}

define half @test_atomicrmw_fadd_f16_flat(half* %ptr, half %value) {
; CI-LABEL: @test_atomicrmw_fadd_f16_flat(
; CI-NEXT: [[RES:%.*]] = atomicrmw fadd half* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; CI-NEXT: ret half [[RES]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f16_flat(
; GFX9-NEXT: [[RES:%.*]] = atomicrmw fadd half* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; GFX9-NEXT: ret half [[RES]]
;
%res = atomicrmw fadd half* %ptr, half %value seq_cst
ret half %res
}

define half @test_atomicrmw_fadd_f16_global(half addrspace(1)* %ptr, half %value) {
; CI-LABEL: @test_atomicrmw_fadd_f16_global(
; CI-NEXT: [[RES:%.*]] = atomicrmw fadd half addrspace(1)* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; CI-NEXT: ret half [[RES]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f16_global(
; GFX9-NEXT: [[RES:%.*]] = atomicrmw fadd half addrspace(1)* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; GFX9-NEXT: ret half [[RES]]
;
%res = atomicrmw fadd half addrspace(1)* %ptr, half %value seq_cst
ret half %res
}

define half @test_atomicrmw_fadd_f16_local(half addrspace(3)* %ptr, half %value) {
; CI-LABEL: @test_atomicrmw_fadd_f16_local(
; CI-NEXT: [[RES:%.*]] = atomicrmw fadd half addrspace(3)* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; CI-NEXT: ret half [[RES]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f16_local(
; GFX9-NEXT: [[RES:%.*]] = atomicrmw fadd half addrspace(3)* [[PTR:%.*]], half [[VALUE:%.*]] seq_cst
; GFX9-NEXT: ret half [[RES]]
;
%res = atomicrmw fadd half addrspace(3)* %ptr, half %value seq_cst
ret half %res
}

define double @test_atomicrmw_fadd_f64_flat(double* %ptr, double %value) {
; CI-LABEL: @test_atomicrmw_fadd_f64_flat(
; CI-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
; CI-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; CI-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret double [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f64_flat(
; GFX9-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
; GFX9-NEXT: br label [[ATOMICRMW_START:%.*]]
; GFX9: atomicrmw.start:
; GFX9-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GFX9-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; GFX9-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
; GFX9-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GFX9-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GFX9-NEXT: [[TMP5:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GFX9-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GFX9-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GFX9-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GFX9-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GFX9: atomicrmw.end:
; GFX9-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fadd double* %ptr, double %value seq_cst
ret double %res
}

define double @test_atomicrmw_fadd_f64_global(double addrspace(1)* %ptr, double %value) {
; CI-LABEL: @test_atomicrmw_fadd_f64_global(
; CI-NEXT: [[TMP1:%.*]] = load double, double addrspace(1)* [[PTR:%.*]], align 8
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast double addrspace(1)* [[PTR]] to i64 addrspace(1)*
; CI-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; CI-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(1)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret double [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f64_global(
; GFX9-NEXT: [[TMP1:%.*]] = load double, double addrspace(1)* [[PTR:%.*]], align 8
; GFX9-NEXT: br label [[ATOMICRMW_START:%.*]]
; GFX9: atomicrmw.start:
; GFX9-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GFX9-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; GFX9-NEXT: [[TMP2:%.*]] = bitcast double addrspace(1)* [[PTR]] to i64 addrspace(1)*
; GFX9-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GFX9-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GFX9-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(1)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GFX9-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GFX9-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GFX9-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GFX9-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GFX9: atomicrmw.end:
; GFX9-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fadd double addrspace(1)* %ptr, double %value seq_cst
ret double %res
}

define double @test_atomicrmw_fadd_f64_local(double addrspace(3)* %ptr, double %value) {
; CI-LABEL: @test_atomicrmw_fadd_f64_local(
; CI-NEXT: [[TMP1:%.*]] = load double, double addrspace(3)* [[PTR:%.*]], align 8
; CI-NEXT: br label [[ATOMICRMW_START:%.*]]
; CI: atomicrmw.start:
; CI-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CI-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; CI-NEXT: [[TMP2:%.*]] = bitcast double addrspace(3)* [[PTR]] to i64 addrspace(3)*
; CI-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; CI-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; CI-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(3)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; CI-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; CI-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; CI-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; CI-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CI: atomicrmw.end:
; CI-NEXT: ret double [[TMP6]]
;
; GFX9-LABEL: @test_atomicrmw_fadd_f64_local(
; GFX9-NEXT: [[TMP1:%.*]] = load double, double addrspace(3)* [[PTR:%.*]], align 8
; GFX9-NEXT: br label [[ATOMICRMW_START:%.*]]
; GFX9: atomicrmw.start:
; GFX9-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GFX9-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; GFX9-NEXT: [[TMP2:%.*]] = bitcast double addrspace(3)* [[PTR]] to i64 addrspace(3)*
; GFX9-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GFX9-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GFX9-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(3)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GFX9-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GFX9-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GFX9-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GFX9-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GFX9: atomicrmw.end:
; GFX9-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fadd double addrspace(3)* %ptr, double %value seq_cst
ret double %res
}

201 changes: 201 additions & 0 deletions llvm/test/Transforms/AtomicExpand/AMDGPU/expand-atomic-rmw-fsub.ll
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,201 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -atomic-expand %s | FileCheck -check-prefix=GCN %s
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -atomic-expand %s | FileCheck -check-prefix=GCN %s

define float @test_atomicrmw_fadd_f32_flat(float* %ptr, float %value) {
; GCN-LABEL: @test_atomicrmw_fadd_f32_flat(
; GCN-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32*
; GCN-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; GCN-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fsub float* %ptr, float %value seq_cst
ret float %res
}

define float @test_atomicrmw_fsub_f32_global(float addrspace(1)* %ptr, float %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f32_global(
; GCN-NEXT: [[TMP1:%.*]] = load float, float addrspace(1)* [[PTR:%.*]], align 4
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast float addrspace(1)* [[PTR]] to i32 addrspace(1)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; GCN-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(1)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fsub float addrspace(1)* %ptr, float %value seq_cst
ret float %res
}

define float @test_atomicrmw_fsub_f32_local(float addrspace(3)* %ptr, float %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f32_local(
; GCN-NEXT: [[TMP1:%.*]] = load float, float addrspace(3)* [[PTR:%.*]], align 4
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast float addrspace(3)* [[PTR]] to i32 addrspace(3)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; GCN-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(3)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fsub float addrspace(3)* %ptr, float %value seq_cst
ret float %res
}

define half @test_atomicrmw_fsub_f16_flat(half* %ptr, half %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f16_flat(
; GCN-NEXT: [[TMP1:%.*]] = load half, half* [[PTR:%.*]], align 2
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi half [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub half [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast half* [[PTR]] to i16*
; GCN-NEXT: [[TMP3:%.*]] = bitcast half [[NEW]] to i16
; GCN-NEXT: [[TMP4:%.*]] = bitcast half [[LOADED]] to i16
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i16* [[TMP2]], i16 [[TMP4]], i16 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i16, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i16, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i16 [[NEWLOADED]] to half
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret half [[TMP6]]
;
%res = atomicrmw fsub half* %ptr, half %value seq_cst
ret half %res
}

define half @test_atomicrmw_fsub_f16_global(half addrspace(1)* %ptr, half %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f16_global(
; GCN-NEXT: [[TMP1:%.*]] = load half, half addrspace(1)* [[PTR:%.*]], align 2
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi half [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub half [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast half addrspace(1)* [[PTR]] to i16 addrspace(1)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast half [[NEW]] to i16
; GCN-NEXT: [[TMP4:%.*]] = bitcast half [[LOADED]] to i16
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i16 addrspace(1)* [[TMP2]], i16 [[TMP4]], i16 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i16, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i16, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i16 [[NEWLOADED]] to half
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret half [[TMP6]]
;
%res = atomicrmw fsub half addrspace(1)* %ptr, half %value seq_cst
ret half %res
}

define half @test_atomicrmw_fsub_f16_local(half addrspace(3)* %ptr, half %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f16_local(
; GCN-NEXT: [[TMP1:%.*]] = load half, half addrspace(3)* [[PTR:%.*]], align 2
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi half [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub half [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast half addrspace(3)* [[PTR]] to i16 addrspace(3)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast half [[NEW]] to i16
; GCN-NEXT: [[TMP4:%.*]] = bitcast half [[LOADED]] to i16
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i16 addrspace(3)* [[TMP2]], i16 [[TMP4]], i16 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i16, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i16, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i16 [[NEWLOADED]] to half
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret half [[TMP6]]
;
%res = atomicrmw fsub half addrspace(3)* %ptr, half %value seq_cst
ret half %res
}

define double @test_atomicrmw_fsub_f64_flat(double* %ptr, double %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f64_flat(
; GCN-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub double [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
; GCN-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GCN-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fsub double* %ptr, double %value seq_cst
ret double %res
}

define double @test_atomicrmw_fsub_f64_global(double addrspace(1)* %ptr, double %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f64_global(
; GCN-NEXT: [[TMP1:%.*]] = load double, double addrspace(1)* [[PTR:%.*]], align 8
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub double [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast double addrspace(1)* [[PTR]] to i64 addrspace(1)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GCN-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(1)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fsub double addrspace(1)* %ptr, double %value seq_cst
ret double %res
}

define double @test_atomicrmw_fsub_f64_local(double addrspace(3)* %ptr, double %value) {
; GCN-LABEL: @test_atomicrmw_fsub_f64_local(
; GCN-NEXT: [[TMP1:%.*]] = load double, double addrspace(3)* [[PTR:%.*]], align 8
; GCN-NEXT: br label [[ATOMICRMW_START:%.*]]
; GCN: atomicrmw.start:
; GCN-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; GCN-NEXT: [[NEW:%.*]] = fsub double [[LOADED]], [[VALUE:%.*]]
; GCN-NEXT: [[TMP2:%.*]] = bitcast double addrspace(3)* [[PTR]] to i64 addrspace(3)*
; GCN-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; GCN-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; GCN-NEXT: [[TMP5:%.*]] = cmpxchg i64 addrspace(3)* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; GCN-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; GCN-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; GCN-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; GCN-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; GCN: atomicrmw.end:
; GCN-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fsub double addrspace(3)* %ptr, double %value seq_cst
ret double %res
}
112 changes: 112 additions & 0 deletions llvm/test/Transforms/AtomicExpand/X86/expand-atomic-rmw-fp.ll
View file
Original file line number Diff line number Diff line change
@@ -0,0 +1,112 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -mtriple=i686-linux-gnu -atomic-expand %s | FileCheck %s

define float @test_atomicrmw_fadd_f32(float* %ptr, float %value) {
; CHECK-LABEL: @test_atomicrmw_fadd_f32(
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4
; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
; CHECK: atomicrmw.start:
; CHECK-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CHECK-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32*
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CHECK-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CHECK: atomicrmw.end:
; CHECK-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fadd float* %ptr, float %value seq_cst
ret float %res
}

define double @test_atomicrmw_fadd_f64(double* %ptr, double %value) {
; CHECK-LABEL: @test_atomicrmw_fadd_f64(
; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
; CHECK: atomicrmw.start:
; CHECK-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CHECK-NEXT: [[NEW:%.*]] = fadd double [[LOADED]], [[VALUE:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
; CHECK-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; CHECK-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CHECK: atomicrmw.end:
; CHECK-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fadd double* %ptr, double %value seq_cst
ret double %res
}

define float @test_atomicrmw_fadd_f32_as1(float addrspace(1)* %ptr, float %value) {
; CHECK-LABEL: @test_atomicrmw_fadd_f32_as1(
; CHECK-NEXT: [[TMP1:%.*]] = load float, float addrspace(1)* [[PTR:%.*]], align 4
; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
; CHECK: atomicrmw.start:
; CHECK-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CHECK-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float addrspace(1)* [[PTR]] to i32 addrspace(1)*
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i32 addrspace(1)* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CHECK-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CHECK: atomicrmw.end:
; CHECK-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fadd float addrspace(1)* %ptr, float %value seq_cst
ret float %res
}

define float @test_atomicrmw_fsub_f32(float* %ptr, float %value) {
; CHECK-LABEL: @test_atomicrmw_fsub_f32(
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[PTR:%.*]], align 4
; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
; CHECK: atomicrmw.start:
; CHECK-NEXT: [[LOADED:%.*]] = phi float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CHECK-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[PTR]] to i32*
; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[NEW]] to i32
; CHECK-NEXT: [[TMP4:%.*]] = bitcast float [[LOADED]] to i32
; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i32* [[TMP2]], i32 [[TMP4]], i32 [[TMP3]] seq_cst seq_cst
; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP5]], 1
; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP5]], 0
; CHECK-NEXT: [[TMP6]] = bitcast i32 [[NEWLOADED]] to float
; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CHECK: atomicrmw.end:
; CHECK-NEXT: ret float [[TMP6]]
;
%res = atomicrmw fsub float* %ptr, float %value seq_cst
ret float %res
}

define double @test_atomicrmw_fsub_f64(double* %ptr, double %value) {
; CHECK-LABEL: @test_atomicrmw_fsub_f64(
; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
; CHECK: atomicrmw.start:
; CHECK-NEXT: [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP6:%.*]], [[ATOMICRMW_START]] ]
; CHECK-NEXT: [[NEW:%.*]] = fsub double [[LOADED]], [[VALUE:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
; CHECK-NEXT: [[TMP3:%.*]] = bitcast double [[NEW]] to i64
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double [[LOADED]] to i64
; CHECK-NEXT: [[TMP5:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP4]], i64 [[TMP3]] seq_cst seq_cst
; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP5]], 1
; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP5]], 0
; CHECK-NEXT: [[TMP6]] = bitcast i64 [[NEWLOADED]] to double
; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
; CHECK: atomicrmw.end:
; CHECK-NEXT: ret double [[TMP6]]
;
%res = atomicrmw fsub double* %ptr, double %value seq_cst
ret double %res
}