From b4a0766c8defafe83dcef5ceea67fb25f89162d3 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Tue, 14 Jan 2020 09:29:05 -0500 Subject: [PATCH] AMDGPU/GlobalISel: Select llvm.amdgcn.buffer.atomic.cmpswap --- llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp | 5 +- llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp | 26 +++ llvm/lib/Target/AMDGPU/BUFInstructions.td | 25 ++- .../llvm.amdgcn.raw.buffer.atomic.cmpswap.ll | 195 +++++++++++++++++++++ .../llvm.amdgcn.struct.buffer.atomic.cmpswap.ll | 194 ++++++++++++++++++++ 5 files changed, 431 insertions(+), 14 deletions(-) create mode 100644 llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.cmpswap.ll create mode 100644 llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.cmpswap.ll diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp index 9621393..c85cc7f 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp @@ -2698,6 +2698,9 @@ static unsigned getBufferAtomicPseudo(Intrinsic::ID IntrID) { case Intrinsic::amdgcn_raw_buffer_atomic_dec: case Intrinsic::amdgcn_struct_buffer_atomic_dec: return AMDGPU::G_AMDGPU_BUFFER_ATOMIC_DEC; + case Intrinsic::amdgcn_raw_buffer_atomic_cmpswap: + case Intrinsic::amdgcn_struct_buffer_atomic_cmpswap: + return AMDGPU::G_AMDGPU_BUFFER_ATOMIC_CMPSWAP; default: llvm_unreachable("unhandled atomic opcode"); } @@ -2729,7 +2732,7 @@ bool AMDGPULegalizerInfo::legalizeBufferAtomic(MachineInstr &MI, const bool HasVIndex = MI.getNumOperands() == NumVIndexOps; Register VIndex; if (HasVIndex) { - VIndex = MI.getOperand(4).getReg(); + VIndex = MI.getOperand(4 + OpOffset).getReg(); ++OpOffset; } diff --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp index 86495ac..1f56dd4 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp +++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp @@ -3159,6 +3159,32 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const { // initialized. break; } + case AMDGPU::G_AMDGPU_BUFFER_ATOMIC_CMPSWAP: { + // vdata_out + OpdsMapping[0] = getVGPROpMapping(MI.getOperand(0).getReg(), MRI, *TRI); + + // vdata_in + OpdsMapping[1] = getVGPROpMapping(MI.getOperand(1).getReg(), MRI, *TRI); + + // cmp + OpdsMapping[2] = getVGPROpMapping(MI.getOperand(2).getReg(), MRI, *TRI); + + // rsrc + OpdsMapping[3] = getSGPROpMapping(MI.getOperand(3).getReg(), MRI, *TRI); + + // vindex + OpdsMapping[4] = getVGPROpMapping(MI.getOperand(4).getReg(), MRI, *TRI); + + // voffset + OpdsMapping[5] = getVGPROpMapping(MI.getOperand(5).getReg(), MRI, *TRI); + + // soffset + OpdsMapping[6] = getSGPROpMapping(MI.getOperand(6).getReg(), MRI, *TRI); + + // Any remaining operands are immediates and were correctly null + // initialized. + break; + } case AMDGPU::G_INTRINSIC: { switch (MI.getIntrinsicID()) { default: diff --git a/llvm/lib/Target/AMDGPU/BUFInstructions.td b/llvm/lib/Target/AMDGPU/BUFInstructions.td index 42d96b7..4bdaf09 100644 --- a/llvm/lib/Target/AMDGPU/BUFInstructions.td +++ b/llvm/lib/Target/AMDGPU/BUFInstructions.td @@ -1443,14 +1443,13 @@ defm : BufferAtomicPatterns_NO_RTN; def : GCNPat< @@ -1460,8 +1459,8 @@ def : GCNPat< timm:$cachepolicy, timm), (EXTRACT_SUBREG (BUFFER_ATOMIC_CMPSWAP_IDXEN_RTN - (REG_SEQUENCE VReg_64, $data, sub0, $cmp, sub1), - $vindex, $rsrc, $soffset, (as_i16imm $offset), (extract_slc $cachepolicy)), + (REG_SEQUENCE VReg_64, VGPR_32:$data, sub0, VGPR_32:$cmp, sub1), + VGPR_32:$vindex, SReg_128:$rsrc, SCSrc_b32:$soffset, (as_i16timm $offset), (extract_slc $cachepolicy)), sub0) >; @@ -1472,8 +1471,8 @@ def : GCNPat< timm:$cachepolicy, 0), (EXTRACT_SUBREG (BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN - (REG_SEQUENCE VReg_64, $data, sub0, $cmp, sub1), - $voffset, $rsrc, $soffset, (as_i16imm $offset), (extract_slc $cachepolicy)), + (REG_SEQUENCE VReg_64, VGPR_32:$data, sub0, VGPR_32:$cmp, sub1), + VGPR_32:$voffset, SReg_128:$rsrc, SCSrc_b32:$soffset, (as_i16timm $offset), (extract_slc $cachepolicy)), sub0) >; @@ -1484,9 +1483,9 @@ def : GCNPat< timm:$cachepolicy, timm), (EXTRACT_SUBREG (BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN - (REG_SEQUENCE VReg_64, $data, sub0, $cmp, sub1), - (REG_SEQUENCE VReg_64, $vindex, sub0, $voffset, sub1), - $rsrc, $soffset, (as_i16imm $offset), (extract_slc $cachepolicy)), + (REG_SEQUENCE VReg_64, VGPR_32:$data, sub0, VGPR_32:$cmp, sub1), + (REG_SEQUENCE VReg_64, VGPR_32:$vindex, sub0, VGPR_32:$voffset, sub1), + SReg_128:$rsrc, SCSrc_b32:$soffset, (as_i16timm $offset), (extract_slc $cachepolicy)), sub0) >; diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.cmpswap.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.cmpswap.ll new file mode 100644 index 0000000..adf75f8 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.atomic.cmpswap.ll @@ -0,0 +1,195 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck %s + +; Natural mapping +define amdgpu_ps float @raw_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN [[REG_SEQUENCE1]], [[COPY6]], [[REG_SEQUENCE]], [[COPY7]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN]].sub0 + ; CHECK: $vgpr0 = COPY [[COPY8]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %ret = call i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + +; Natural mapping +define amdgpu_ps void @raw_buffer_atomic_cmpswap_i32_noret__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_atomic_cmpswap_i32_noret__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN [[REG_SEQUENCE1]], [[COPY6]], [[REG_SEQUENCE]], [[COPY7]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN]].sub0 + ; CHECK: S_ENDPGM 0 + %ret = call i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; All operands need regbank legalization +define amdgpu_ps float @raw_buffer_atomic_cmpswap_i32__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset(i32 inreg %val, i32 inreg %cmp, <4 x i32> %rsrc, i32 inreg %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_atomic_cmpswap_i32__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4 + ; CHECK: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr4 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[COPY]] + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[COPY1]] + ; CHECK: [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[COPY6]] + ; CHECK: [[COPY11:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1 + ; CHECK: [[COPY12:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3 + ; 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: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY11]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY11]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY11]], implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY12]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY12]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY12]], 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: [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3 + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY7]], implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY7]], 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: [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY8]], %subreg.sub0, [[COPY9]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN [[REG_SEQUENCE4]], [[COPY10]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY13:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN]].sub0 + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = 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 [[COPY13]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %ret = call i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + +; All operands need regbank legalization +define amdgpu_ps void @raw_buffer_atomic_cmpswap_i32_noret__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset(i32 inreg %val, i32 inreg %cmp, <4 x i32> %rsrc, i32 inreg %voffset, i32 %soffset) { + ; CHECK-LABEL: name: raw_buffer_atomic_cmpswap_i32_noret__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4 + ; CHECK: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr4 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[COPY]] + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[COPY1]] + ; CHECK: [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[COPY6]] + ; CHECK: [[COPY11:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1 + ; CHECK: [[COPY12:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3 + ; 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: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY11]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY11]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY11]], implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY12]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY12]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY12]], 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: [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3 + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY7]], implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY7]], 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: [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY8]], %subreg.sub0, [[COPY9]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN [[REG_SEQUENCE4]], [[COPY10]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY13:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN]].sub0 + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = 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 + %ret = call i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +define amdgpu_ps float @raw_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset__voffset_add4095(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %voffset.base, i32 inreg %soffset) { + ; CHECK-LABEL: name: raw_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset__voffset_add4095 + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN [[REG_SEQUENCE1]], [[COPY6]], [[REG_SEQUENCE]], [[COPY7]], 4095, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7" + 4095, align 1, addrspace 4) + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_OFFEN_RTN]].sub0 + ; CHECK: $vgpr0 = COPY [[COPY8]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %voffset = add i32 %voffset.base, 4095 + %ret = call i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + + +; FIXME: 64-bit not handled +; ; Natural mapping +; define amdgpu_ps <2 x float> @raw_buffer_atomic_cmpswap_i64__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i64 %val, i64 %cmp, <4 x i32> inreg %rsrc, i32 %voffset, i32 inreg %soffset) { +; %ret = call i64 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i64(i64 %val, i64 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) +; %cast = bitcast i64 %ret to <2 x float> +; ret <2 x float> %cast +; } + +; define amdgpu_ps void @raw_buffer_atomic_cmpswap_i64_noret__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i64 %val, i64 %cmp, <4 x i32> inreg %rsrc, i32 %voffset, i32 inreg %soffset) { +; %ret = call i64 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i64(i64 %val, i64 %cmp, <4 x i32> %rsrc, i32 %voffset, i32 %soffset, i32 0) +; ret void +; } + +declare i32 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i32(i32, i32, <4 x i32>, i32, i32, i32 immarg) #0 +declare i64 @llvm.amdgcn.raw.buffer.atomic.cmpswap.i64(i64, i64, <4 x i32>, i32, i32, i32 immarg) #0 + +attributes #0 = { nounwind } diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.cmpswap.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.cmpswap.ll new file mode 100644 index 0000000..1aad4af --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.struct.buffer.atomic.cmpswap.ll @@ -0,0 +1,194 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +; RUN: llc -global-isel -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -stop-after=instruction-select -verify-machineinstrs -o - %s | FileCheck %s + + +; Natural mapping +define amdgpu_ps float @struct_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: struct_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2, $vgpr3 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY8:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY6]], %subreg.sub0, [[COPY7]], %subreg.sub1 + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN [[REG_SEQUENCE2]], [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY8]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN]].sub0 + ; CHECK: $vgpr0 = COPY [[COPY9]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %ret = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + +; Natural mapping +define amdgpu_ps void @struct_buffer_atomic_cmpswap_noret_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset, i32 inreg %soffset) { + ; CHECK-LABEL: name: struct_buffer_atomic_cmpswap_noret_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2, $vgpr3 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY8:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY6]], %subreg.sub0, [[COPY7]], %subreg.sub1 + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN [[REG_SEQUENCE2]], [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY8]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN]].sub0 + ; CHECK: S_ENDPGM 0 + %ret = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +; All operands need legalization +define amdgpu_ps float @struct_buffer_atomic_cmpswap_i32__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset(i32 inreg %val, i32 inreg %cmp, <4 x i32> %rsrc, i32 inreg %vindex, i32 inreg %voffset, i32 %soffset) { + ; CHECK-LABEL: name: struct_buffer_atomic_cmpswap_i32__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4 + ; CHECK: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY7:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY $vgpr4 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[COPY]] + ; CHECK: [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[COPY1]] + ; CHECK: [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[COPY6]] + ; CHECK: [[COPY12:%[0-9]+]]:vgpr_32 = COPY [[COPY7]] + ; CHECK: [[COPY13:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1 + ; CHECK: [[COPY14:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3 + ; 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: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY13]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY13]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY13]], implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY14]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY14]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY14]], 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: [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3 + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY8]], implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY8]], 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: [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY11]], %subreg.sub0, [[COPY12]], %subreg.sub1 + ; CHECK: [[REG_SEQUENCE5:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY9]], %subreg.sub0, [[COPY10]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN [[REG_SEQUENCE5]], [[REG_SEQUENCE4]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY15:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN]].sub0 + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = 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 [[COPY15]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %ret = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + +; All operands need legalization +define amdgpu_ps void @struct_buffer_atomic_cmpswap_i32_noret__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset(i32 inreg %val, i32 inreg %cmp, <4 x i32> %rsrc, i32 inreg %vindex, i32 inreg %voffset, i32 %soffset) { + ; CHECK-LABEL: name: struct_buffer_atomic_cmpswap_i32_noret__sgpr_val__sgpr_cmp__vgpr_rsrc__sgpr_voffset__vgpr_soffset + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: successors: %bb.2(0x80000000) + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4 + ; CHECK: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY5:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY6:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY7:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY8:%[0-9]+]]:vgpr_32 = COPY $vgpr4 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[COPY]] + ; CHECK: [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[COPY1]] + ; CHECK: [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[COPY6]] + ; CHECK: [[COPY12:%[0-9]+]]:vgpr_32 = COPY [[COPY7]] + ; CHECK: [[COPY13:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub0_sub1 + ; CHECK: [[COPY14:%[0-9]+]]:vreg_64 = COPY [[REG_SEQUENCE]].sub2_sub3 + ; 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: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY13]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY13]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY13]], implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY14]].sub0, implicit $exec + ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY14]].sub1, implicit $exec + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1 + ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY14]], 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: [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3 + ; CHECK: [[V_READFIRSTLANE_B32_4:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY8]], implicit $exec + ; CHECK: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U32_e64 [[V_READFIRSTLANE_B32_4]], [[COPY8]], 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: [[REG_SEQUENCE4:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY11]], %subreg.sub0, [[COPY12]], %subreg.sub1 + ; CHECK: [[REG_SEQUENCE5:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY9]], %subreg.sub0, [[COPY10]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN [[REG_SEQUENCE5]], [[REG_SEQUENCE4]], [[REG_SEQUENCE3]], [[V_READFIRSTLANE_B32_4]], 0, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7", align 1, addrspace 4) + ; CHECK: [[COPY15:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN]].sub0 + ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = 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 + %ret = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0) + ret void +} + +define amdgpu_ps float @struct_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset_voffset_add4095(i32 %val, i32 %cmp, <4 x i32> inreg %rsrc, i32 %vindex, i32 %voffset.base, i32 inreg %soffset) { + ; CHECK-LABEL: name: struct_buffer_atomic_cmpswap_i32__vgpr_val__vgpr_cmp__sgpr_rsrc__vgpr_voffset__sgpr_soffset_voffset_add4095 + ; CHECK: bb.1 (%ir-block.0): + ; CHECK: liveins: $sgpr2, $sgpr3, $sgpr4, $sgpr5, $sgpr6, $vgpr0, $vgpr1, $vgpr2, $vgpr3 + ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; CHECK: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2 + ; CHECK: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3 + ; CHECK: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4 + ; CHECK: [[COPY5:%[0-9]+]]:sreg_32 = COPY $sgpr5 + ; CHECK: [[COPY6:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; CHECK: [[COPY7:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; CHECK: [[COPY8:%[0-9]+]]:sreg_32 = COPY $sgpr6 + ; CHECK: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY2]], %subreg.sub0, [[COPY3]], %subreg.sub1, [[COPY4]], %subreg.sub2, [[COPY5]], %subreg.sub3 + ; CHECK: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY6]], %subreg.sub0, [[COPY7]], %subreg.sub1 + ; CHECK: [[REG_SEQUENCE2:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1 + ; CHECK: [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN:%[0-9]+]]:vreg_64 = BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN [[REG_SEQUENCE2]], [[REG_SEQUENCE1]], [[REG_SEQUENCE]], [[COPY8]], 4095, 0, implicit $exec :: (volatile dereferenceable load store 4 on custom "TargetCustom7" + 4095, align 1, addrspace 4) + ; CHECK: [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[BUFFER_ATOMIC_CMPSWAP_BOTHEN_RTN]].sub0 + ; CHECK: $vgpr0 = COPY [[COPY9]] + ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0 + %voffset = add i32 %voffset.base, 4095 + %ret = call i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32 %val, i32 %cmp, <4 x i32> %rsrc, i32 %vindex, i32 %voffset, i32 %soffset, i32 0) + %cast = bitcast i32 %ret to float + ret float %cast +} + +declare i32 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i32(i32, i32, <4 x i32>, i32, i32, i32, i32 immarg) #0 +declare i64 @llvm.amdgcn.struct.buffer.atomic.cmpswap.i64(i64, i64, <4 x i32>, i32, i32, i32, i32 immarg) #0 + +attributes #0 = { nounwind } -- 2.7.4