llvm/test/CodeGen/AMDGPU/fcopysign.f64.ll

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN -check-prefix=FUNC %s

declare double @llvm.copysign.f64(double, double) nounwind readnone
declare <2 x double> @llvm.copysign.v2f64(<2 x double>, <2 x double>) nounwind readnone
declare <4 x double> @llvm.copysign.v4f64(<4 x double>, <4 x double>) nounwind readnone

; FUNC-LABEL: {{^}}test_copysign_f64:
; SI-DAG: s_load_dwordx2 s{{\[}}[[SMAG_LO:[0-9]+]]:[[SMAG_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xb
; SI-DAG: s_load_dwordx2 s{{\[}}[[SSIGN_LO:[0-9]+]]:[[SSIGN_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
; VI-DAG: s_load_dwordx2 s{{\[}}[[SMAG_LO:[0-9]+]]:[[SMAG_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x2c
; VI-DAG: s_load_dwordx2 s{{\[}}[[SSIGN_LO:[0-9]+]]:[[SSIGN_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x34
; GCN-DAG: v_mov_b32_e32 v[[VSIGN_HI:[0-9]+]], s[[SSIGN_HI]]
; GCN-DAG: v_mov_b32_e32 v[[VMAG_HI:[0-9]+]], s[[SMAG_HI]]
; GCN-DAG: s_brev_b32 [[SCONST:s[0-9]+]], -2
; GCN-DAG: v_bfi_b32 v[[VRESULT_HI:[0-9]+]], [[SCONST]], v[[VMAG_HI]], v[[VSIGN_HI]]
; GCN-DAG: v_mov_b32_e32 v[[VMAG_LO:[0-9]+]], s[[SMAG_LO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[VMAG_LO]]:[[VRESULT_HI]]{{\]}}
; GCN: s_endpgm
define void @test_copysign_f64(double addrspace(1)* %out, double %mag, double %sign) nounwind {
  %result = call double @llvm.copysign.f64(double %mag, double %sign)
  store double %result, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}test_copysign_f64_f32:
; GCN-DAG: s_load_dwordx2 s{{\[}}[[SMAG_LO:[0-9]+]]:[[SMAG_HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}
; GCN-DAG: s_load_dword s[[SSIGN:[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}
; GCN-DAG: s_brev_b32 [[SCONST:s[0-9]+]], -2{{$}}
; GCN-DAG: v_mov_b32_e32 v[[VMAG_HI:[0-9]+]], s[[SMAG_HI]]
; GCN-DAG: v_mov_b32_e32 v[[VSIGN:[0-9]+]], s[[SSIGN]]
; GCN-DAG: v_bfi_b32 v[[VRESULT_HI:[0-9]+]], [[SCONST]], v[[VMAG_HI]], v[[VSIGN]]
; GCN-DAG: v_mov_b32_e32 v[[VMAG_LO:[0-9]+]], s[[SMAG_LO]]
; GCN: buffer_store_dwordx2 v{{\[}}[[VMAG_LO]]:[[VRESULT_HI]]{{\]}}
define void @test_copysign_f64_f32(double addrspace(1)* %out, double %mag, float %sign) nounwind {
  %c = fpext float %sign to double
  %result = call double @llvm.copysign.f64(double %mag, double %c)
  store double %result, double addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}test_copysign_v2f64:
; GCN: s_endpgm
define void @test_copysign_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %mag, <2 x double> %sign) nounwind {
  %result = call <2 x double> @llvm.copysign.v2f64(<2 x double> %mag, <2 x double> %sign)
  store <2 x double> %result, <2 x double> addrspace(1)* %out, align 8
  ret void
}

; FUNC-LABEL: {{^}}test_copysign_v4f64:
; GCN: s_endpgm
define void @test_copysign_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %mag, <4 x double> %sign) nounwind {
  %result = call <4 x double> @llvm.copysign.v4f64(<4 x double> %mag, <4 x double> %sign)
  store <4 x double> %result, <4 x double> addrspace(1)* %out, align 8
  ret void
}