Index: lib/Target/AMDGPU/AMDGPURegisterBankInfo.h =================================================================== --- lib/Target/AMDGPU/AMDGPURegisterBankInfo.h +++ lib/Target/AMDGPU/AMDGPURegisterBankInfo.h @@ -62,6 +62,16 @@ const TargetRegisterInfo &TRI, unsigned Default = AMDGPU::VGPRRegBankID) const; + // Return a value mapping for an operand that is required to be an SGPR. + const ValueMapping *getSGPROpMapping(Register Reg, + const MachineRegisterInfo &MRI, + const TargetRegisterInfo &TRI) const; + + // Return a value mapping for an operand that is required to be a VGPR. + const ValueMapping *getVGPROpMapping(Register Reg, + const MachineRegisterInfo &MRI, + const TargetRegisterInfo &TRI) const; + /// Split 64-bit value \p Reg into two 32-bit halves and populate them into \p /// Regs. This appropriately sets the regbank of the new registers. void split64BitValueForMapping(MachineIRBuilder &B, Index: lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp =================================================================== --- lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp +++ lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp @@ -1385,6 +1385,12 @@ constrainOpWithReadfirstlane(MI, MRI, 2); // M0 return; } + case Intrinsic::amdgcn_raw_buffer_load: + case Intrinsic::amdgcn_raw_buffer_store: { + applyDefaultMapping(OpdMapper); + executeInWaterfallLoop(MI, MRI, {2, 4}); + return; + } default: { if (const AMDGPU::RsrcIntrinsic *RSrcIntrin = AMDGPU::lookupRsrcIntrinsic(IntrID)) { @@ -1584,6 +1590,25 @@ return Bank ? Bank->getID() : Default; } +const RegisterBankInfo::ValueMapping * +AMDGPURegisterBankInfo::getSGPROpMapping(Register Reg, + const MachineRegisterInfo &MRI, + const TargetRegisterInfo &TRI) const { + // Lie and claim anything is legal, even though this needs to be an SGPR + // applyMapping will have to deal with it as a waterfall loop. + unsigned Bank = getRegBankID(Reg, MRI, TRI, AMDGPU::SGPRRegBankID); + unsigned Size = getSizeInBits(Reg, MRI, TRI); + return AMDGPU::getValueMapping(Bank, Size); +} + +const RegisterBankInfo::ValueMapping * +AMDGPURegisterBankInfo::getVGPROpMapping(Register Reg, + const MachineRegisterInfo &MRI, + const TargetRegisterInfo &TRI) const { + unsigned Size = getSizeInBits(Reg, MRI, TRI); + return AMDGPU::getValueMapping(AMDGPU::VGPRRegBankID, Size); +} + /// /// This function must return a legal mapping, because /// AMDGPURegisterBankInfo::getInstrAlternativeMappings() is not called @@ -2287,6 +2312,22 @@ OpdsMapping[1] = AMDGPU::getValueMapping(AMDGPU::SGPRRegBankID, Size); break; } + case Intrinsic::amdgcn_raw_buffer_load: { + // FIXME: Should make intrinsic ID the last operand of the instruction, + // then this would be the same as store + OpdsMapping[0] = getVGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI); + OpdsMapping[2] = getSGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI); + OpdsMapping[3] = getVGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI); + OpdsMapping[4] = getSGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI); + break; + } + case Intrinsic::amdgcn_raw_buffer_store: { + OpdsMapping[1] = getVGPROpMapping(MI.getOperand(1).getReg(), MRI, *TRI); + OpdsMapping[2] = getSGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI); + OpdsMapping[3] = getVGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI); + OpdsMapping[4] = getSGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI); + break; + } default: if (const AMDGPU::RsrcIntrinsic *RSrcIntrin = AMDGPU::lookupRsrcIntrinsic(IntrID)) { Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.buffer.load.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.buffer.load.ll @@ -0,0 +1,173 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-fast -o - %s | FileCheck %s +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-greedy -o - %s | FileCheck %s + +; Natural mapping +define amdgpu_ps float @raw_buffer_load__sgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_load__sgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr6 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4) + ; CHECK: $vgpr0 = COPY [[INT]](s32) + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %val = call float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret float %val +} + +; Copies for VGPR arguments +define amdgpu_ps float @raw_buffer_load__sgpr_rsrc__sgpr_val__sgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, i32 inreg %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_load__sgpr_rsrc__sgpr_val__sgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:sgpr(s32) = COPY $sgpr6 + ; CHECK: [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr7 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[COPY6:%[0-9]+]]:vgpr(s32) = COPY [[COPY4]](s32) + ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY6]](s32), [[COPY5]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4) + ; CHECK: $vgpr0 = COPY [[INT]](s32) + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %val = call float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret float %val +} + +; Waterfall for rsrc +define amdgpu_ps float @raw_buffer_load__vgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset(<4 x i32> %rsrc, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_load__vgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4 + ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF + ; CHECK: [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>) + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %15, %bb.2 + ; CHECK: [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %9(s32), %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec + ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec + ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec + ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.load), [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[COPY5]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: $vgpr0 = COPY [[INT]](s32) + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %val = call float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret float %val +} + +; Waterfall for soffset +define amdgpu_ps float @raw_buffer_load__sgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset(<4 x i32> inreg %rsrc, i32 %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_load__sgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr1 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF + ; CHECK: [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %15, %bb.2 + ; CHECK: [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %9(s32), %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY5]](s32), implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]](s32), [[COPY5]](s32), implicit $exec + ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.load), [[BUILD_VECTOR]](<4 x s32>), [[COPY4]](s32), [[V_READFIRSTLANE_B32_]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[V_CMP_EQ_U32_e64_]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: $vgpr0 = COPY [[INT]](s32) + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %val = call float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret float %val +} + +; Waterfall for rsrc and soffset +define amdgpu_ps float @raw_buffer_load__vgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, i32 %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_load__vgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5 + ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr5 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:vgpr(s32) = G_IMPLICIT_DEF + ; CHECK: [[DEF1:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>) + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.1, %15, %bb.2 + ; CHECK: [[PHI1:%[0-9]+]]:vgpr(s32) = G_PHI [[DEF]](s32), %bb.1, %9(s32), %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec + ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec + ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec + ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY5]](s32), implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]](s32), [[COPY5]](s32), implicit $exec + ; CHECK: [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U32_e64_]], [[S_AND_B64_]], implicit-def $scc + ; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.load), [[BUILD_VECTOR1]](<4 x s32>), [[COPY4]](s32), [[V_READFIRSTLANE_B32_4]](s32), 0 :: (dereferenceable load 4 from custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: $vgpr0 = COPY [[INT]](s32) + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %val = call float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret float %val +} + +declare float @llvm.amdgcn.raw.buffer.load.f32(<4 x i32>, i32, i32, i32 immarg) Index: test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.buffer.store.ll =================================================================== --- /dev/null +++ test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.raw.buffer.store.ll @@ -0,0 +1,168 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-fast -o - %s | FileCheck %s +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -stop-after=regbankselect -regbankselect-greedy -o - %s | FileCheck %s + +; Natural mapping +define amdgpu_ps void @raw_buffer_store__sgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, float %val, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_store__sgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr6 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4) + ; CHECK: S_ENDPGM 0 + call void @llvm.amdgcn.raw.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; Copies for VGPR arguments +define amdgpu_ps void @raw_buffer_store__sgpr_rsrc__sgpr_val__sgpr_voffset__sgpr_soffset(<4 x i32> inreg %rsrc, float inreg %val, i32 inreg %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_store__sgpr_rsrc__sgpr_val__sgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $sgpr7, $sgpr8 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:sgpr(s32) = COPY $sgpr6 + ; CHECK: [[COPY5:%[0-9]+]]:sgpr(s32) = COPY $sgpr7 + ; CHECK: [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr8 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[COPY7:%[0-9]+]]:vgpr(s32) = COPY [[COPY4]](s32) + ; CHECK: [[COPY8:%[0-9]+]]:vgpr(s32) = COPY [[COPY5]](s32) + ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.store), [[COPY7]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY8]](s32), [[COPY6]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4) + ; CHECK: S_ENDPGM 0 + call void @llvm.amdgcn.raw.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; Waterfall for rsrc +define amdgpu_ps void @raw_buffer_store__vgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset(<4 x i32> %rsrc, float %val, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_store__vgpr_rsrc__vgpr_val__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5 + ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>) + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %13, %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec + ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec + ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec + ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR1]](<4 x s32>), [[COPY5]](s32), [[COPY6]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: S_ENDPGM 0 + call void @llvm.amdgcn.raw.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; Waterfall for soffset +define amdgpu_ps void @raw_buffer_store__sgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset(<4 x i32> inreg %rsrc, float %val, i32 %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_store__sgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2 + ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4 + ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr2 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %13, %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY6]](s32), implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_]](s32), [[COPY6]](s32), implicit $exec + ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR]](<4 x s32>), [[COPY5]](s32), [[V_READFIRSTLANE_B32_]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[V_CMP_EQ_U32_e64_]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: S_ENDPGM 0 + call void @llvm.amdgcn.raw.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; Waterfall for rsrc and soffset +define amdgpu_ps void @raw_buffer_store__vgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset(<4 x i32> %rsrc, float %val, i32 %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_store__vgpr_rsrc__vgpr_val__vgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $vgpr5, $vgpr6 + ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY $vgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr6 + ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32) + ; CHECK: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF + ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>) + ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec + ; CHECK: bb.2: + ; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000) + ; CHECK: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF]], %bb.1, %13, %bb.2 + ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec + ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec + ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec + ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc + ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32) + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[COPY6]](s32), implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]](s32), [[COPY6]](s32), implicit $exec + ; CHECK: [[S_AND_B64_1:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U32_e64_]], [[S_AND_B64_]], implicit-def $scc + ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.raw.buffer.store), [[COPY4]](s32), [[BUILD_VECTOR1]](<4 x s32>), [[COPY5]](s32), [[V_READFIRSTLANE_B32_4]](s32), 0 :: (dereferenceable store 4 into custom TargetCustom7, align 1, addrspace 4) + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_1]], implicit-def $exec, implicit-def $scc, implicit $exec + ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc + ; CHECK: S_CBRANCH_EXECNZ %bb.2, implicit $exec + ; CHECK: bb.3: + ; CHECK: successors: %bb.4(0x80000000) + ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]] + ; CHECK: bb.4: + ; CHECK: S_ENDPGM 0 + call void @llvm.amdgcn.raw.buffer.store.f32(float %val, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +declare void @llvm.amdgcn.raw.buffer.store.f32(float, <4 x i32>, i32, i32, i32 immarg)