Index: llvm/trunk/lib/Target/AMDGPU/SIFixSGPRCopies.cpp =================================================================== --- llvm/trunk/lib/Target/AMDGPU/SIFixSGPRCopies.cpp +++ llvm/trunk/lib/Target/AMDGPU/SIFixSGPRCopies.cpp @@ -599,7 +599,7 @@ if (isVGPRToSGPRCopy(SrcRC, DstRC, *TRI)) { unsigned SrcReg = MI.getOperand(1).getReg(); if (!TargetRegisterInfo::isVirtualRegister(SrcReg)) { - TII->moveToVALU(MI); + TII->moveToVALU(MI, MDT); break; } @@ -614,7 +614,7 @@ MI.setDesc(TII->get(SMovOp)); break; } - TII->moveToVALU(MI); + TII->moveToVALU(MI, MDT); } else if (isSGPRToVGPRCopy(SrcRC, DstRC, *TRI)) { tryChangeVGPRtoSGPRinCopy(MI, TRI, TII); } @@ -677,7 +677,7 @@ SmallSet Visited; if (HasVGPROperand || !phiHasBreakDef(MI, MRI, Visited)) { LLVM_DEBUG(dbgs() << "Fixing PHI: " << MI); - TII->moveToVALU(MI); + TII->moveToVALU(MI, MDT); } break; } @@ -690,7 +690,7 @@ LLVM_DEBUG(dbgs() << "Fixing REG_SEQUENCE: " << MI); - TII->moveToVALU(MI); + TII->moveToVALU(MI, MDT); break; case AMDGPU::INSERT_SUBREG: { const TargetRegisterClass *DstRC, *Src0RC, *Src1RC; @@ -700,7 +700,7 @@ if (TRI->isSGPRClass(DstRC) && (TRI->hasVGPRs(Src0RC) || TRI->hasVGPRs(Src1RC))) { LLVM_DEBUG(dbgs() << " Fixing INSERT_SUBREG: " << MI); - TII->moveToVALU(MI); + TII->moveToVALU(MI, MDT); } break; } Index: llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h =================================================================== --- llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h +++ llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.h @@ -37,6 +37,7 @@ namespace llvm { class APInt; +class MachineDominatorTree; class MachineRegisterInfo; class RegScavenger; class GCNSubtarget; @@ -79,8 +80,8 @@ private: void swapOperands(MachineInstr &Inst) const; - bool moveScalarAddSub(SetVectorType &Worklist, - MachineInstr &Inst) const; + bool moveScalarAddSub(SetVectorType &Worklist, MachineInstr &Inst, + MachineDominatorTree *MDT = nullptr) const; void lowerScalarAbs(SetVectorType &Worklist, MachineInstr &Inst) const; @@ -91,11 +92,12 @@ void splitScalar64BitUnaryOp(SetVectorType &Worklist, MachineInstr &Inst, unsigned Opcode) const; - void splitScalar64BitAddSub(SetVectorType &Worklist, - MachineInstr &Inst) const; + void splitScalar64BitAddSub(SetVectorType &Worklist, MachineInstr &Inst, + MachineDominatorTree *MDT = nullptr) const; - void splitScalar64BitBinaryOp(SetVectorType &Worklist, - MachineInstr &Inst, unsigned Opcode) const; + void splitScalar64BitBinaryOp(SetVectorType &Worklist, MachineInstr &Inst, + unsigned Opcode, + MachineDominatorTree *MDT = nullptr) const; void splitScalar64BitBCNT(SetVectorType &Worklist, MachineInstr &Inst) const; @@ -798,14 +800,16 @@ MachineOperand &Op, MachineRegisterInfo &MRI, const DebugLoc &DL) const; - /// Legalize all operands in this instruction. This function may - /// create new instruction and insert them before \p MI. - void legalizeOperands(MachineInstr &MI) const; + /// Legalize all operands in this instruction. This function may create new + /// instructions and control-flow around \p MI. If present, \p MDT is + /// updated. + void legalizeOperands(MachineInstr &MI, + MachineDominatorTree *MDT = nullptr) const; /// Replace this instruction's opcode with the equivalent VALU /// opcode. This function will also move the users of \p MI to the - /// VALU if necessary. - void moveToVALU(MachineInstr &MI) const; + /// VALU if necessary. If present, \p MDT is updated. + void moveToVALU(MachineInstr &MI, MachineDominatorTree *MDT = nullptr) const; void insertWaitStates(MachineBasicBlock &MBB,MachineBasicBlock::iterator MI, int Count) const; @@ -932,6 +936,12 @@ LLVM_READONLY int getAddr64Inst(uint16_t Opcode); + /// Check if \p Opcode is an Addr64 opcode. + /// + /// \returns \p Opcode if it is an Addr64 opcode, otherwise -1. + LLVM_READONLY + int getIfAddr64Inst(uint16_t Opcode); + LLVM_READONLY int getMUBUFNoLdsInst(uint16_t Opcode); Index: llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.cpp =================================================================== --- llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.cpp +++ llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -31,6 +31,7 @@ #include "llvm/Analysis/MemoryLocation.h" #include "llvm/Analysis/ValueTracking.h" #include "llvm/CodeGen/MachineBasicBlock.h" +#include "llvm/CodeGen/MachineDominators.h" #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineInstr.h" @@ -3612,7 +3613,191 @@ FoldImmediate(*Copy, *Def, OpReg, &MRI); } -void SIInstrInfo::legalizeOperands(MachineInstr &MI) const { +// Emit the actual waterfall loop, executing the wrapped instruction for each +// unique value of \p Rsrc across all lanes. In the best case we execute 1 +// iteration, in the worst case we execute 64 (once per lane). +static void +emitLoadSRsrcFromVGPRLoop(const SIInstrInfo &TII, MachineRegisterInfo &MRI, + MachineBasicBlock &OrigBB, MachineBasicBlock &LoopBB, + const DebugLoc &DL, MachineOperand &Rsrc) { + MachineBasicBlock::iterator I = LoopBB.begin(); + + unsigned VRsrc = Rsrc.getReg(); + unsigned VRsrcUndef = getUndefRegState(Rsrc.isUndef()); + + unsigned SaveExec = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); + unsigned CondReg0 = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); + unsigned CondReg1 = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); + unsigned AndCond = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); + unsigned SRsrcSub0 = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned SRsrcSub1 = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned SRsrcSub2 = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned SRsrcSub3 = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned SRsrc = MRI.createVirtualRegister(&AMDGPU::SReg_128RegClass); + + // Beginning of the loop, read the next Rsrc variant. + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_READFIRSTLANE_B32), SRsrcSub0) + .addReg(VRsrc, VRsrcUndef, AMDGPU::sub0); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_READFIRSTLANE_B32), SRsrcSub1) + .addReg(VRsrc, VRsrcUndef, AMDGPU::sub1); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_READFIRSTLANE_B32), SRsrcSub2) + .addReg(VRsrc, VRsrcUndef, AMDGPU::sub2); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_READFIRSTLANE_B32), SRsrcSub3) + .addReg(VRsrc, VRsrcUndef, AMDGPU::sub3); + + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::REG_SEQUENCE), SRsrc) + .addReg(SRsrcSub0) + .addImm(AMDGPU::sub0) + .addReg(SRsrcSub1) + .addImm(AMDGPU::sub1) + .addReg(SRsrcSub2) + .addImm(AMDGPU::sub2) + .addReg(SRsrcSub3) + .addImm(AMDGPU::sub3); + + // Update Rsrc operand to use the SGPR Rsrc. + Rsrc.setReg(SRsrc); + Rsrc.setIsKill(true); + + // Identify all lanes with identical Rsrc operands in their VGPRs. + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_CMP_EQ_U64_e64), CondReg0) + .addReg(SRsrc, 0, AMDGPU::sub0_sub1) + .addReg(VRsrc, 0, AMDGPU::sub0_sub1); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::V_CMP_EQ_U64_e64), CondReg1) + .addReg(SRsrc, 0, AMDGPU::sub2_sub3) + .addReg(VRsrc, 0, AMDGPU::sub2_sub3); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::S_AND_B64), AndCond) + .addReg(CondReg0) + .addReg(CondReg1); + + MRI.setSimpleHint(SaveExec, AndCond); + + // Update EXEC to matching lanes, saving original to SaveExec. + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::S_AND_SAVEEXEC_B64), SaveExec) + .addReg(AndCond, RegState::Kill); + + // The original instruction is here; we insert the terminators after it. + I = LoopBB.end(); + + // Update EXEC, switch all done bits to 0 and all todo bits to 1. + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::S_XOR_B64_term), AMDGPU::EXEC) + .addReg(AMDGPU::EXEC) + .addReg(SaveExec); + BuildMI(LoopBB, I, DL, TII.get(AMDGPU::S_CBRANCH_EXECNZ)).addMBB(&LoopBB); +} + +// Build a waterfall loop around \p MI, replacing the VGPR \p Rsrc register +// with SGPRs by iterating over all unique values across all lanes. +static void loadSRsrcFromVGPR(const SIInstrInfo &TII, MachineInstr &MI, + MachineOperand &Rsrc, MachineDominatorTree *MDT) { + MachineBasicBlock &MBB = *MI.getParent(); + MachineFunction &MF = *MBB.getParent(); + MachineRegisterInfo &MRI = MF.getRegInfo(); + MachineBasicBlock::iterator I(&MI); + const DebugLoc &DL = MI.getDebugLoc(); + + unsigned SaveExec = MRI.createVirtualRegister(&AMDGPU::SReg_64_XEXECRegClass); + + // Save the EXEC mask + BuildMI(MBB, I, DL, TII.get(AMDGPU::S_MOV_B64), SaveExec) + .addReg(AMDGPU::EXEC); + + // Killed uses in the instruction we are waterfalling around will be + // incorrect due to the added control-flow. + for (auto &MO : MI.uses()) { + if (MO.isReg() && MO.isUse()) { + MRI.clearKillFlags(MO.getReg()); + } + } + + // To insert the loop we need to split the block. Move everything after this + // point to a new block, and insert a new empty block between the two. + MachineBasicBlock *LoopBB = MF.CreateMachineBasicBlock(); + MachineBasicBlock *RemainderBB = MF.CreateMachineBasicBlock(); + MachineFunction::iterator MBBI(MBB); + ++MBBI; + + MF.insert(MBBI, LoopBB); + MF.insert(MBBI, RemainderBB); + + LoopBB->addSuccessor(LoopBB); + LoopBB->addSuccessor(RemainderBB); + + // Move MI to the LoopBB, and the remainder of the block to RemainderBB. + MachineBasicBlock::iterator J = I++; + RemainderBB->transferSuccessorsAndUpdatePHIs(&MBB); + RemainderBB->splice(RemainderBB->begin(), &MBB, I, MBB.end()); + LoopBB->splice(LoopBB->begin(), &MBB, J); + + MBB.addSuccessor(LoopBB); + + // Update dominators. We know that MBB immediately dominates LoopBB, that + // LoopBB immediately dominates RemainderBB, and that RemainderBB immediately + // dominates all of the successors transferred to it from MBB that MBB used + // to dominate. + if (MDT) { + MDT->addNewBlock(LoopBB, &MBB); + MDT->addNewBlock(RemainderBB, LoopBB); + for (auto &Succ : RemainderBB->successors()) { + if (MDT->dominates(&MBB, Succ)) { + MDT->changeImmediateDominator(Succ, RemainderBB); + } + } + } + + emitLoadSRsrcFromVGPRLoop(TII, MRI, MBB, *LoopBB, DL, Rsrc); + + // Restore the EXEC mask + MachineBasicBlock::iterator First = RemainderBB->begin(); + BuildMI(*RemainderBB, First, DL, TII.get(AMDGPU::S_MOV_B64), AMDGPU::EXEC) + .addReg(SaveExec); +} + +// Extract pointer from Rsrc and return a zero-value Rsrc replacement. +static std::tuple +extractRsrcPtr(const SIInstrInfo &TII, MachineInstr &MI, MachineOperand &Rsrc) { + MachineBasicBlock &MBB = *MI.getParent(); + MachineFunction &MF = *MBB.getParent(); + MachineRegisterInfo &MRI = MF.getRegInfo(); + + // Extract the ptr from the resource descriptor. + unsigned RsrcPtr = + TII.buildExtractSubReg(MI, MRI, Rsrc, &AMDGPU::VReg_128RegClass, + AMDGPU::sub0_sub1, &AMDGPU::VReg_64RegClass); + + // Create an empty resource descriptor + unsigned Zero64 = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); + unsigned SRsrcFormatLo = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned SRsrcFormatHi = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); + unsigned NewSRsrc = MRI.createVirtualRegister(&AMDGPU::SReg_128RegClass); + uint64_t RsrcDataFormat = TII.getDefaultRsrcDataFormat(); + + // Zero64 = 0 + BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(AMDGPU::S_MOV_B64), Zero64) + .addImm(0); + + // SRsrcFormatLo = RSRC_DATA_FORMAT{31-0} + BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(AMDGPU::S_MOV_B32), SRsrcFormatLo) + .addImm(RsrcDataFormat & 0xFFFFFFFF); + + // SRsrcFormatHi = RSRC_DATA_FORMAT{63-32} + BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(AMDGPU::S_MOV_B32), SRsrcFormatHi) + .addImm(RsrcDataFormat >> 32); + + // NewSRsrc = {Zero64, SRsrcFormat} + BuildMI(MBB, MI, MI.getDebugLoc(), TII.get(AMDGPU::REG_SEQUENCE), NewSRsrc) + .addReg(Zero64) + .addImm(AMDGPU::sub0_sub1) + .addReg(SRsrcFormatLo) + .addImm(AMDGPU::sub2) + .addReg(SRsrcFormatHi) + .addImm(AMDGPU::sub3); + + return std::make_tuple(RsrcPtr, NewSRsrc); +} + +void SIInstrInfo::legalizeOperands(MachineInstr &MI, + MachineDominatorTree *MDT) const { MachineFunction &MF = *MI.getParent()->getParent(); MachineRegisterInfo &MRI = MF.getRegInfo(); @@ -3754,75 +3939,56 @@ return; } - // Legalize MUBUF* instructions by converting to addr64 form. - // FIXME: If we start using the non-addr64 instructions for compute, we - // may need to legalize them as above. This especially applies to the - // buffer_load_format_* variants and variants with idxen (or bothen). - int SRsrcIdx = + // Legalize MUBUF* instructions. + int RsrcIdx = AMDGPU::getNamedOperandIdx(MI.getOpcode(), AMDGPU::OpName::srsrc); - if (SRsrcIdx != -1) { + if (RsrcIdx != -1) { // We have an MUBUF instruction - MachineOperand *SRsrc = &MI.getOperand(SRsrcIdx); - unsigned SRsrcRC = get(MI.getOpcode()).OpInfo[SRsrcIdx].RegClass; - if (RI.getCommonSubClass(MRI.getRegClass(SRsrc->getReg()), - RI.getRegClass(SRsrcRC))) { + MachineOperand *Rsrc = &MI.getOperand(RsrcIdx); + unsigned RsrcRC = get(MI.getOpcode()).OpInfo[RsrcIdx].RegClass; + if (RI.getCommonSubClass(MRI.getRegClass(Rsrc->getReg()), + RI.getRegClass(RsrcRC))) { // The operands are legal. // FIXME: We may need to legalize operands besided srsrc. return; } - MachineBasicBlock &MBB = *MI.getParent(); - - // Extract the ptr from the resource descriptor. - unsigned SRsrcPtr = buildExtractSubReg(MI, MRI, *SRsrc, - &AMDGPU::VReg_128RegClass, AMDGPU::sub0_sub1, &AMDGPU::VReg_64RegClass); - - // Create an empty resource descriptor - unsigned Zero64 = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass); - unsigned SRsrcFormatLo = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); - unsigned SRsrcFormatHi = MRI.createVirtualRegister(&AMDGPU::SGPR_32RegClass); - unsigned NewSRsrc = MRI.createVirtualRegister(&AMDGPU::SReg_128RegClass); - uint64_t RsrcDataFormat = getDefaultRsrcDataFormat(); + // Legalize a VGPR Rsrc. + // + // If the instruction is _ADDR64, we can avoid a waterfall by extracting + // the base pointer from the VGPR Rsrc, adding it to the VAddr, then using + // a zero-value SRsrc. + // + // If the instruction is _OFFSET (both idxen and offen disabled), and we + // support ADDR64 instructions, we can convert to ADDR64 and do the same as + // above. + // + // Otherwise we are on non-ADDR64 hardware, and/or we have + // idxen/offen/bothen and we fall back to a waterfall loop. - // Zero64 = 0 - BuildMI(MBB, MI, MI.getDebugLoc(), get(AMDGPU::S_MOV_B64), Zero64) - .addImm(0); - - // SRsrcFormatLo = RSRC_DATA_FORMAT{31-0} - BuildMI(MBB, MI, MI.getDebugLoc(), get(AMDGPU::S_MOV_B32), SRsrcFormatLo) - .addImm(RsrcDataFormat & 0xFFFFFFFF); - - // SRsrcFormatHi = RSRC_DATA_FORMAT{63-32} - BuildMI(MBB, MI, MI.getDebugLoc(), get(AMDGPU::S_MOV_B32), SRsrcFormatHi) - .addImm(RsrcDataFormat >> 32); - - // NewSRsrc = {Zero64, SRsrcFormat} - BuildMI(MBB, MI, MI.getDebugLoc(), get(AMDGPU::REG_SEQUENCE), NewSRsrc) - .addReg(Zero64) - .addImm(AMDGPU::sub0_sub1) - .addReg(SRsrcFormatLo) - .addImm(AMDGPU::sub2) - .addReg(SRsrcFormatHi) - .addImm(AMDGPU::sub3); + MachineBasicBlock &MBB = *MI.getParent(); MachineOperand *VAddr = getNamedOperand(MI, AMDGPU::OpName::vaddr); - unsigned NewVAddr = MRI.createVirtualRegister(&AMDGPU::VReg_64RegClass); - if (VAddr) { + if (VAddr && AMDGPU::getIfAddr64Inst(MI.getOpcode()) != -1) { // This is already an ADDR64 instruction so we need to add the pointer // extracted from the resource descriptor to the current value of VAddr. unsigned NewVAddrLo = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass); unsigned NewVAddrHi = MRI.createVirtualRegister(&AMDGPU::VGPR_32RegClass); + unsigned NewVAddr = MRI.createVirtualRegister(&AMDGPU::VReg_64RegClass); + + unsigned RsrcPtr, NewSRsrc; + std::tie(RsrcPtr, NewSRsrc) = extractRsrcPtr(*this, MI, *Rsrc); - // NewVaddrLo = SRsrcPtr:sub0 + VAddr:sub0 + // NewVaddrLo = RsrcPtr:sub0 + VAddr:sub0 DebugLoc DL = MI.getDebugLoc(); BuildMI(MBB, MI, DL, get(AMDGPU::V_ADD_I32_e32), NewVAddrLo) - .addReg(SRsrcPtr, 0, AMDGPU::sub0) - .addReg(VAddr->getReg(), 0, AMDGPU::sub0); + .addReg(RsrcPtr, 0, AMDGPU::sub0) + .addReg(VAddr->getReg(), 0, AMDGPU::sub0); - // NewVaddrHi = SRsrcPtr:sub1 + VAddr:sub1 + // NewVaddrHi = RsrcPtr:sub1 + VAddr:sub1 BuildMI(MBB, MI, DL, get(AMDGPU::V_ADDC_U32_e32), NewVAddrHi) - .addReg(SRsrcPtr, 0, AMDGPU::sub1) - .addReg(VAddr->getReg(), 0, AMDGPU::sub1); + .addReg(RsrcPtr, 0, AMDGPU::sub1) + .addReg(VAddr->getReg(), 0, AMDGPU::sub1); // NewVaddr = {NewVaddrHi, NewVaddrLo} BuildMI(MBB, MI, MI.getDebugLoc(), get(AMDGPU::REG_SEQUENCE), NewVAddr) @@ -3830,13 +3996,20 @@ .addImm(AMDGPU::sub0) .addReg(NewVAddrHi) .addImm(AMDGPU::sub1); - } else { + + VAddr->setReg(NewVAddr); + Rsrc->setReg(NewSRsrc); + } else if (!VAddr && ST.hasAddr64()) { // This instructions is the _OFFSET variant, so we need to convert it to // ADDR64. assert(MBB.getParent()->getSubtarget().getGeneration() < AMDGPUSubtarget::VOLCANIC_ISLANDS && "FIXME: Need to emit flat atomics here"); + unsigned RsrcPtr, NewSRsrc; + std::tie(RsrcPtr, NewSRsrc) = extractRsrcPtr(*this, MI, *Rsrc); + + unsigned NewVAddr = MRI.createVirtualRegister(&AMDGPU::VReg_64RegClass); MachineOperand *VData = getNamedOperand(MI, AMDGPU::OpName::vdata); MachineOperand *Offset = getNamedOperand(MI, AMDGPU::OpName::offset); MachineOperand *SOffset = getNamedOperand(MI, AMDGPU::OpName::soffset); @@ -3852,10 +4025,8 @@ MachineInstrBuilder MIB = BuildMI(MBB, MI, MI.getDebugLoc(), get(Addr64Opcode)) .add(*VData) - .addReg(AMDGPU::NoRegister) // Dummy value for vaddr. - // This will be replaced later - // with the new value of vaddr. - .add(*SRsrc) + .addReg(NewVAddr) + .addReg(NewSRsrc) .add(*SOffset) .add(*Offset); @@ -3879,10 +4050,8 @@ Addr64 = BuildMI(MBB, MI, MI.getDebugLoc(), get(Addr64Opcode)) .add(*VData) .add(*VDataIn) - .addReg(AMDGPU::NoRegister) // Dummy value for vaddr. - // This will be replaced later - // with the new value of vaddr. - .add(*SRsrc) + .addReg(NewVAddr) + .addReg(NewSRsrc) .add(*SOffset) .add(*Offset) .addImm(getNamedImmOperand(MI, AMDGPU::OpName::slc)) @@ -3894,23 +4063,20 @@ // NewVaddr = {NewVaddrHi, NewVaddrLo} BuildMI(MBB, Addr64, Addr64->getDebugLoc(), get(AMDGPU::REG_SEQUENCE), NewVAddr) - .addReg(SRsrcPtr, 0, AMDGPU::sub0) + .addReg(RsrcPtr, 0, AMDGPU::sub0) .addImm(AMDGPU::sub0) - .addReg(SRsrcPtr, 0, AMDGPU::sub1) + .addReg(RsrcPtr, 0, AMDGPU::sub1) .addImm(AMDGPU::sub1); - - VAddr = getNamedOperand(*Addr64, AMDGPU::OpName::vaddr); - SRsrc = getNamedOperand(*Addr64, AMDGPU::OpName::srsrc); + } else { + // This is another variant; legalize Rsrc with waterfall loop from VGPRs + // to SGPRs. + loadSRsrcFromVGPR(*this, MI, *Rsrc, MDT); } - - // Update the instruction to use NewVaddr - VAddr->setReg(NewVAddr); - // Update the instruction to use NewSRsrc - SRsrc->setReg(NewSRsrc); } } -void SIInstrInfo::moveToVALU(MachineInstr &TopInst) const { +void SIInstrInfo::moveToVALU(MachineInstr &TopInst, + MachineDominatorTree *MDT) const { SetVectorType Worklist; Worklist.insert(&TopInst); @@ -3928,29 +4094,29 @@ break; case AMDGPU::S_ADD_U64_PSEUDO: case AMDGPU::S_SUB_U64_PSEUDO: - splitScalar64BitAddSub(Worklist, Inst); + splitScalar64BitAddSub(Worklist, Inst, MDT); Inst.eraseFromParent(); continue; case AMDGPU::S_ADD_I32: case AMDGPU::S_SUB_I32: // FIXME: The u32 versions currently selected use the carry. - if (moveScalarAddSub(Worklist, Inst)) + if (moveScalarAddSub(Worklist, Inst, MDT)) continue; // Default handling break; case AMDGPU::S_AND_B64: - splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_AND_B32_e64); + splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_AND_B32_e64, MDT); Inst.eraseFromParent(); continue; case AMDGPU::S_OR_B64: - splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_OR_B32_e64); + splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_OR_B32_e64, MDT); Inst.eraseFromParent(); continue; case AMDGPU::S_XOR_B64: - splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_XOR_B32_e64); + splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::V_XOR_B32_e64, MDT); Inst.eraseFromParent(); continue; @@ -4037,7 +4203,7 @@ continue; case AMDGPU::S_XNOR_B64: - splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::S_XNOR_B32); + splitScalar64BitBinaryOp(Worklist, Inst, AMDGPU::S_XNOR_B32, MDT); Inst.eraseFromParent(); continue; @@ -4146,7 +4312,7 @@ // Legalize all operands other than the offset. Notably, convert the srsrc // into SGPRs using v_readfirstlane if needed. - legalizeOperands(*NewInstr); + legalizeOperands(*NewInstr, MDT); continue; } } @@ -4154,7 +4320,7 @@ if (NewOpcode == AMDGPU::INSTRUCTION_LIST_END) { // We cannot move this instruction to the VALU, so we should try to // legalize its operands instead. - legalizeOperands(Inst); + legalizeOperands(Inst, MDT); continue; } @@ -4243,7 +4409,7 @@ } // Legalize the operands - legalizeOperands(Inst); + legalizeOperands(Inst, MDT); if (HasDst) addUsersToMoveToVALUWorklist(NewDstReg, MRI, Worklist); @@ -4251,8 +4417,8 @@ } // Add/sub require special handling to deal with carry outs. -bool SIInstrInfo::moveScalarAddSub(SetVectorType &Worklist, - MachineInstr &Inst) const { +bool SIInstrInfo::moveScalarAddSub(SetVectorType &Worklist, MachineInstr &Inst, + MachineDominatorTree *MDT) const { if (ST.hasAddNoCarry()) { // Assume there is no user of scc since we don't select this in that case. // Since scc isn't used, it doesn't really matter if the i32 or u32 variant @@ -4276,7 +4442,7 @@ Inst.setDesc(get(NewOpc)); Inst.addImplicitDefUseOperands(*MBB.getParent()); MRI.replaceRegWith(OldDstReg, ResultReg); - legalizeOperands(Inst); + legalizeOperands(Inst, MDT); addUsersToMoveToVALUWorklist(ResultReg, MRI, Worklist); return true; @@ -4396,8 +4562,9 @@ addUsersToMoveToVALUWorklist(FullDestReg, MRI, Worklist); } -void SIInstrInfo::splitScalar64BitAddSub( - SetVectorType &Worklist, MachineInstr &Inst) const { +void SIInstrInfo::splitScalar64BitAddSub(SetVectorType &Worklist, + MachineInstr &Inst, + MachineDominatorTree *MDT) const { bool IsAdd = (Inst.getOpcode() == AMDGPU::S_ADD_U64_PSEUDO); MachineBasicBlock &MBB = *Inst.getParent(); @@ -4457,16 +4624,16 @@ // Try to legalize the operands in case we need to swap the order to keep it // valid. - legalizeOperands(*LoHalf); - legalizeOperands(*HiHalf); + legalizeOperands(*LoHalf, MDT); + legalizeOperands(*HiHalf, MDT); // Move all users of this moved vlaue. addUsersToMoveToVALUWorklist(FullDestReg, MRI, Worklist); } -void SIInstrInfo::splitScalar64BitBinaryOp( - SetVectorType &Worklist, MachineInstr &Inst, - unsigned Opcode) const { +void SIInstrInfo::splitScalar64BitBinaryOp(SetVectorType &Worklist, + MachineInstr &Inst, unsigned Opcode, + MachineDominatorTree *MDT) const { MachineBasicBlock &MBB = *Inst.getParent(); MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo(); @@ -4524,8 +4691,8 @@ // Try to legalize the operands in case we need to swap the order to keep it // valid. - legalizeOperands(LoHalf); - legalizeOperands(HiHalf); + legalizeOperands(LoHalf, MDT); + legalizeOperands(HiHalf, MDT); // Move all users of this moved vlaue. addUsersToMoveToVALUWorklist(FullDestReg, MRI, Worklist); Index: llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td =================================================================== --- llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td +++ llvm/trunk/lib/Target/AMDGPU/SIInstrInfo.td @@ -1983,6 +1983,14 @@ let ValueCols = [["1"]]; } +def getIfAddr64Inst : InstrMapping { + let FilterClass = "MUBUFAddr64Table"; + let RowFields = ["OpName"]; + let ColFields = ["IsAddr64"]; + let KeyCol = ["1"]; + let ValueCols = [["1"]]; +} + def getMUBUFNoLdsInst : InstrMapping { let FilterClass = "MUBUFLdsTable"; let RowFields = ["OpName"]; Index: llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.ll =================================================================== --- llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.ll +++ llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.ll @@ -0,0 +1,230 @@ +; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -verify-machine-dom-info -o - %s | FileCheck %s +; RUN: llc -O0 -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -verify-machine-dom-info -o - %s | FileCheck %s --check-prefix=CHECK-O0 + +; Test that we correctly legalize VGPR Rsrc operands in MUBUF instructions. + +; CHECK-LABEL: mubuf_vgpr +; CHECK: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec +; CHECK: [[LOOPBB:BB[0-9]+_[0-9]+]]: +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC0:[0-9]+]], v0 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC1:[0-9]+]], v1 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC2:[0-9]+]], v2 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC3:[0-9]+]], v3 +; CHECK: v_cmp_eq_u64_e32 vcc, s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v[0:1] +; CHECK: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v[2:3] +; CHECK: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], vcc, [[CMP0]] +; CHECK: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK: s_waitcnt vmcnt(0) +; CHECK: buffer_load_format_x [[RES:v[0-9]+]], v4, s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, 0 idxen +; CHECK: s_xor_b64 exec, exec, [[CMP]] +; CHECK: s_cbranch_execnz [[LOOPBB]] +; CHECK: s_mov_b64 exec, [[SAVEEXEC]] +; CHECK: v_mov_b32_e32 v0, [[RES]] +define float @mubuf_vgpr(<4 x i32> %i, i32 %c) #0 { + %call = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %i, i32 %c, i32 0, i1 zeroext false, i1 zeroext false) #1 + ret float %call +} + +; CHECK-LABEL: mubuf_vgpr_adjacent_in_block + +; CHECK: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec +; CHECK: [[LOOPBB0:BB[0-9]+_[0-9]+]]: +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC0:[0-9]+]], v0 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC1:[0-9]+]], v1 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC2:[0-9]+]], v2 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC3:[0-9]+]], v3 +; CHECK: v_cmp_eq_u64_e32 vcc, s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v[0:1] +; CHECK: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v[2:3] +; CHECK: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], vcc, [[CMP0]] +; CHECK: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK: s_waitcnt vmcnt(0) +; CHECK: buffer_load_format_x [[RES0:v[0-9]+]], v8, s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, 0 idxen +; CHECK: s_xor_b64 exec, exec, [[CMP]] +; CHECK: s_cbranch_execnz [[LOOPBB0]] + +; CHECK: s_mov_b64 exec, [[SAVEEXEC]] +; FIXME: redundant s_mov +; CHECK: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec + +; CHECK: [[LOOPBB1:BB[0-9]+_[0-9]+]]: +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC0:[0-9]+]], v4 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC1:[0-9]+]], v5 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC2:[0-9]+]], v6 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC3:[0-9]+]], v7 +; CHECK: v_cmp_eq_u64_e32 vcc, s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v[4:5] +; CHECK: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v[6:7] +; CHECK: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], vcc, [[CMP0]] +; CHECK: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK: s_waitcnt vmcnt(0) +; CHECK: buffer_load_format_x [[RES1:v[0-9]+]], v8, s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, 0 idxen +; CHECK: s_xor_b64 exec, exec, [[CMP]] +; CHECK: s_cbranch_execnz [[LOOPBB1]] + +; CHECK: s_mov_b64 exec, [[SAVEEXEC]] +; CHECK-DAG: global_store_dword v[9:10], [[RES0]], off +; CHECK-DAG: global_store_dword v[11:12], [[RES1]], off + +define void @mubuf_vgpr_adjacent_in_block(<4 x i32> %i, <4 x i32> %j, i32 %c, float addrspace(1)* %out0, float addrspace(1)* %out1) #0 { +entry: + %val0 = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %i, i32 %c, i32 0, i1 zeroext false, i1 zeroext false) #1 + %val1 = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %j, i32 %c, i32 0, i1 zeroext false, i1 zeroext false) #1 + store volatile float %val0, float addrspace(1)* %out0 + store volatile float %val1, float addrspace(1)* %out1 + ret void +} + +; CHECK-LABEL: mubuf_vgpr_outside_entry + +; CHECK-DAG: v_mov_b32_e32 [[IDX:v[0-9]+]], s4 +; CHECK-DAG: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec + +; CHECK: [[LOOPBB0:BB[0-9]+_[0-9]+]]: +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC0:[0-9]+]], v0 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC1:[0-9]+]], v1 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC2:[0-9]+]], v2 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC3:[0-9]+]], v3 +; CHECK: v_cmp_eq_u64_e32 vcc, s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v[0:1] +; CHECK: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v[2:3] +; CHECK: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], vcc, [[CMP0]] +; CHECK: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK: s_waitcnt vmcnt(0) +; CHECK: buffer_load_format_x [[RES:v[0-9]+]], [[IDX]], s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, 0 idxen +; CHECK: s_xor_b64 exec, exec, [[CMP]] +; CHECK: s_cbranch_execnz [[LOOPBB0]] + +; CHECK: s_mov_b64 exec, [[SAVEEXEC]] +; CHECK: s_cbranch_execz [[TERMBB:BB[0-9]+_[0-9]+]] + +; CHECK: BB{{[0-9]+_[0-9]+}}: +; CHECK-DAG: v_mov_b32_e32 [[IDX:v[0-9]+]], s4 +; CHECK-DAG: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec + +; CHECK: [[LOOPBB1:BB[0-9]+_[0-9]+]]: +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC0:[0-9]+]], v4 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC1:[0-9]+]], v5 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC2:[0-9]+]], v6 +; CHECK-DAG: v_readfirstlane_b32 s[[SRSRC3:[0-9]+]], v7 +; CHECK: v_cmp_eq_u64_e32 vcc, s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v[4:5] +; CHECK: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v[6:7] +; CHECK: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], vcc, [[CMP0]] +; CHECK: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK: s_waitcnt vmcnt(0) +; CHECK: buffer_load_format_x [[RES]], [[IDX]], s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, 0 idxen +; CHECK: s_xor_b64 exec, exec, [[CMP]] +; CHECK: s_cbranch_execnz [[LOOPBB1]] + +; CHECK: s_mov_b64 exec, [[SAVEEXEC]] + +; CHECK: [[TERMBB]]: +; CHECK: global_store_dword v[11:12], [[RES]], off + +; Confirm spills do not occur between the XOR and branch that terminate the +; waterfall loop BBs. + +; CHECK-O0-LABEL: mubuf_vgpr_outside_entry + +; CHECK-O0-DAG: s_mov_b32 [[IDX_S:s[0-9]+]], s4 +; CHECK-O0-DAG: v_mov_b32_e32 [[IDX_V:v[0-9]+]], [[IDX_S]] +; CHECK-O0-DAG: s_mov_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], exec +; CHECK-O0-DAG: buffer_store_dword [[IDX_V]], off, s[0:3], s5 offset:[[IDX_OFF:[0-9]+]] ; 4-byte Folded Spill + +; CHECK-O0: [[LOOPBB0:BB[0-9]+_[0-9]+]]: +; CHECK-O0: buffer_load_dword v[[VRSRC0:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC1:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC2:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC3:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP0:[0-9]+]], v[[VRSRC0]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP1:[0-9]+]], v[[VRSRC1]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP2:[0-9]+]], v[[VRSRC2]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP3:[0-9]+]], v[[VRSRC3]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC0:[0-9]+]], s[[SRSRCTMP0]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC1:[0-9]+]], s[[SRSRCTMP1]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC2:[0-9]+]], s[[SRSRCTMP2]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC3:[0-9]+]], s[[SRSRCTMP3]] +; CHECK-O0: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v{{\[}}[[VRSRC0]]:[[VRSRC1]]{{\]}} +; CHECK-O0: v_cmp_eq_u64_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v{{\[}}[[VRSRC2]]:[[VRSRC3]]{{\]}} +; CHECK-O0: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], [[CMP0]], [[CMP1]] +; CHECK-O0: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK-O0: buffer_load_dword [[IDX:v[0-9]+]], off, s[0:3], s5 offset:[[IDX_OFF]] ; 4-byte Folded Reload +; CHECK-O0: buffer_load_format_x [[RES:v[0-9]+]], [[IDX]], s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, {{.*}} idxen +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_store_dword [[RES]], off, s[0:3], s5 offset:[[RES_OFF_TMP:[0-9]+]] ; 4-byte Folded Spill +; CHECK-O0: s_xor_b64 exec, exec, [[CMP]] +; CHECK-O0-NEXT: s_cbranch_execnz [[LOOPBB0]] + +; CHECK-O0: s_mov_b64 exec, [[SAVEEXEC]] +; CHECK-O0: buffer_load_dword [[RES:v[0-9]+]], off, s[0:3], s5 offset:[[RES_OFF_TMP]] ; 4-byte Folded Reload +; CHECK-O0: buffer_store_dword [[RES]], off, s[0:3], s5 offset:[[RES_OFF:[0-9]+]] ; 4-byte Folded Spill +; CHECK-O0: s_cbranch_execz [[TERMBB:BB[0-9]+_[0-9]+]] + +; CHECK-O0: BB{{[0-9]+_[0-9]+}}: +; CHECK-O0-DAG: s_mov_b64 s{{\[}}[[SAVEEXEC0:[0-9]+]]:[[SAVEEXEC1:[0-9]+]]{{\]}}, exec +; CHECK-O0-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s5 offset:[[IDX_OFF:[0-9]+]] ; 4-byte Folded Spill +; CHECK-O0: v_writelane_b32 [[VSAVEEXEC:v[0-9]+]], s[[SAVEEXEC0]], [[SAVEEXEC_IDX0:[0-9]+]] +; CHECK-O0: v_writelane_b32 [[VSAVEEXEC:v[0-9]+]], s[[SAVEEXEC1]], [[SAVEEXEC_IDX1:[0-9]+]] + +; CHECK-O0: [[LOOPBB1:BB[0-9]+_[0-9]+]]: +; CHECK-O0: buffer_load_dword v[[VRSRC0:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC1:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC2:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_load_dword v[[VRSRC3:[0-9]+]], {{.*}} ; 4-byte Folded Reload +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP0:[0-9]+]], v[[VRSRC0]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP1:[0-9]+]], v[[VRSRC1]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP2:[0-9]+]], v[[VRSRC2]] +; CHECK-O0-DAG: v_readfirstlane_b32 s[[SRSRCTMP3:[0-9]+]], v[[VRSRC3]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC0:[0-9]+]], s[[SRSRCTMP0]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC1:[0-9]+]], s[[SRSRCTMP1]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC2:[0-9]+]], s[[SRSRCTMP2]] +; CHECK-O0-DAG: s_mov_b32 s[[SRSRC3:[0-9]+]], s[[SRSRCTMP3]] +; CHECK-O0: v_cmp_eq_u64_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC0]]:[[SRSRC1]]{{\]}}, v{{\[}}[[VRSRC0]]:[[VRSRC1]]{{\]}} +; CHECK-O0: v_cmp_eq_u64_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], s{{\[}}[[SRSRC2]]:[[SRSRC3]]{{\]}}, v{{\[}}[[VRSRC2]]:[[VRSRC3]]{{\]}} +; CHECK-O0: s_and_b64 [[CMP:s\[[0-9]+:[0-9]+\]]], [[CMP0]], [[CMP1]] +; CHECK-O0: s_and_saveexec_b64 [[CMP]], [[CMP]] +; CHECK-O0: buffer_load_dword [[IDX:v[0-9]+]], off, s[0:3], s5 offset:[[IDX_OFF]] ; 4-byte Folded Reload +; CHECK-O0: buffer_load_format_x [[RES:v[0-9]+]], [[IDX]], s{{\[}}[[SRSRC0]]:[[SRSRC3]]{{\]}}, {{.*}} idxen +; CHECK-O0: s_waitcnt vmcnt(0) +; CHECK-O0: buffer_store_dword [[RES]], off, s[0:3], s5 offset:[[RES_OFF_TMP:[0-9]+]] ; 4-byte Folded Spill +; CHECK-O0: s_xor_b64 exec, exec, [[CMP]] +; CHECK-O0-NEXT: s_cbranch_execnz [[LOOPBB1]] + +; CHECK-O0: v_readlane_b32 s[[SAVEEXEC0:[0-9]+]], [[VSAVEEXEC]], [[SAVEEXEC_IDX0]] +; CHECK-O0: v_readlane_b32 s[[SAVEEXEC1:[0-9]+]], [[VSAVEEXEC]], [[SAVEEXEC_IDX1]] +; CHECK-O0: s_mov_b64 exec, s{{\[}}[[SAVEEXEC0]]:[[SAVEEXEC1]]{{\]}} +; CHECK-O0: buffer_load_dword [[RES:v[0-9]+]], off, s[0:3], s5 offset:[[RES_OFF_TMP]] ; 4-byte Folded Reload +; CHECK-O0: buffer_store_dword [[RES]], off, s[0:3], s5 offset:[[RES_OFF]] ; 4-byte Folded Spill + +; CHECK-O0: [[TERMBB]]: +; CHECK-O0: buffer_load_dword [[RES:v[0-9]+]], off, s[0:3], s5 offset:[[RES_OFF]] ; 4-byte Folded Reload +; CHECK-O0: global_store_dword v[{{[0-9]+:[0-9]+}}], [[RES]], off + +define void @mubuf_vgpr_outside_entry(<4 x i32> %i, <4 x i32> %j, i32 %c, float addrspace(1)* %in, float addrspace(1)* %out) #0 { +entry: + %live.out.reg = call i32 asm sideeffect "s_mov_b32 $0, 17", "={s4}" () + %val0 = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %i, i32 %live.out.reg, i32 0, i1 zeroext false, i1 zeroext false) #1 + %idx = call i32 @llvm.amdgcn.workitem.id.x() #1 + %cmp = icmp eq i32 %idx, 0 + br i1 %cmp, label %bb1, label %bb2 + +bb1: + %val1 = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %j, i32 %live.out.reg, i32 0, i1 zeroext false, i1 zeroext false) #1 + br label %bb2 + +bb2: + %val = phi float [ %val0, %entry ], [ %val1, %bb1 ] + store volatile float %val, float addrspace(1)* %out + ret void +} + +declare i32 @llvm.amdgcn.workitem.id.x() #1 +declare float @llvm.amdgcn.buffer.load.format.f32(<4 x i32>, i32, i32, i1, i1) #1 + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } Index: llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.mir =================================================================== --- llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.mir +++ llvm/trunk/test/CodeGen/AMDGPU/mubuf-legalize-operands.mir @@ -0,0 +1,239 @@ +# RUN: llc -march=amdgcn -mcpu=gfx700 -verify-machineinstrs -verify-machine-dom-info --run-pass=si-fix-sgpr-copies -o - %s | FileCheck %s --check-prefixes=COMMON,ADDR64 +# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -verify-machine-dom-info --run-pass=si-fix-sgpr-copies -o - %s | FileCheck %s --check-prefixes=COMMON,NO-ADDR64 + +# Test that we correctly legalize VGPR Rsrc operands in MUBUF instructions. +# +# On ADDR64 hardware we optimize the _ADDR64 and _OFFSET cases to avoid +# needing a waterfall. For all other instruction variants, and when we are +# on non-ADDR64 hardware, we emit a waterfall loop. + +# COMMON-LABEL: name: idxen +# COMMON-LABEL: bb.0: +# COMMON-NEXT: successors: %bb.1({{.*}}) +# COMMON: [[VRSRC:%[0-9]+]]:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 +# COMMON: [[SAVEEXEC:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec +# COMMON-LABEL: bb.1: +# COMMON-NEXT: successors: %bb.1({{.*}}), %bb.2({{.*}}) +# COMMON: [[SRSRC0:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub0, implicit $exec +# COMMON: [[SRSRC1:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub1, implicit $exec +# COMMON: [[SRSRC2:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub2, implicit $exec +# COMMON: [[SRSRC3:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub3, implicit $exec +# COMMON: [[SRSRC:%[0-9]+]]:sreg_128 = REG_SEQUENCE [[SRSRC0]], %subreg.sub0, [[SRSRC1]], %subreg.sub1, [[SRSRC2]], %subreg.sub2, [[SRSRC3]], %subreg.sub3 +# COMMON: [[CMP0:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub0_sub1, [[VRSRC]].sub0_sub1, implicit $exec +# COMMON: [[CMP1:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub2_sub3, [[VRSRC]].sub2_sub3, implicit $exec +# COMMON: [[CMP:%[0-9]+]]:sreg_64 = S_AND_B64 [[CMP0]], [[CMP1]], implicit-def $scc +# COMMON: [[TMPEXEC:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[CMP]], implicit-def $exec, implicit-def $scc, implicit $exec +# COMMON: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_IDXEN %4, killed [[SRSRC]], 0, 0, 0, 0, 0, implicit $exec +# COMMON: $exec = S_XOR_B64_term $exec, [[TMPEXEC]], implicit-def $scc +# COMMON: S_CBRANCH_EXECNZ %bb.1, implicit $exec +# COMMON-LABEL bb.2: +# COMMON: $exec = S_MOV_B64 [[SAVEEXEC]] +--- +name: idxen +liveins: + - { reg: '$vgpr0', virtual-reg: '%0' } + - { reg: '$vgpr1', virtual-reg: '%1' } + - { reg: '$vgpr2', virtual-reg: '%2' } + - { reg: '$vgpr3', virtual-reg: '%3' } + - { reg: '$vgpr4', virtual-reg: '%4' } + - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } +body: | + bb.0: + liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $sgpr30_sgpr31 + %5:sreg_64 = COPY $sgpr30_sgpr31 + %4:vgpr_32 = COPY $vgpr4 + %3:vgpr_32 = COPY $vgpr3 + %2:vgpr_32 = COPY $vgpr2 + %1:vgpr_32 = COPY $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %6:sreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 + %7:vgpr_32 = BUFFER_LOAD_FORMAT_X_IDXEN %4, killed %6, 0, 0, 0, 0, 0, implicit $exec + $sgpr30_sgpr31 = COPY %5 + $vgpr0 = COPY %7 + S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0 +... + +# COMMON-LABEL: name: offen +# COMMON-LABEL: bb.0: +# COMMON-NEXT: successors: %bb.1({{.*}}) +# COMMON: [[VRSRC:%[0-9]+]]:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 +# COMMON: [[SAVEEXEC:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec +# COMMON-LABEL: bb.1: +# COMMON-NEXT: successors: %bb.1({{.*}}), %bb.2({{.*}}) +# COMMON: [[SRSRC0:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub0, implicit $exec +# COMMON: [[SRSRC1:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub1, implicit $exec +# COMMON: [[SRSRC2:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub2, implicit $exec +# COMMON: [[SRSRC3:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub3, implicit $exec +# COMMON: [[SRSRC:%[0-9]+]]:sreg_128 = REG_SEQUENCE [[SRSRC0]], %subreg.sub0, [[SRSRC1]], %subreg.sub1, [[SRSRC2]], %subreg.sub2, [[SRSRC3]], %subreg.sub3 +# COMMON: [[CMP0:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub0_sub1, [[VRSRC]].sub0_sub1, implicit $exec +# COMMON: [[CMP1:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub2_sub3, [[VRSRC]].sub2_sub3, implicit $exec +# COMMON: [[CMP:%[0-9]+]]:sreg_64 = S_AND_B64 [[CMP0]], [[CMP1]], implicit-def $scc +# COMMON: [[TMPEXEC:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[CMP]], implicit-def $exec, implicit-def $scc, implicit $exec +# COMMON: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFEN %4, killed [[SRSRC]], 0, 0, 0, 0, 0, implicit $exec +# COMMON: $exec = S_XOR_B64_term $exec, [[TMPEXEC]], implicit-def $scc +# COMMON: S_CBRANCH_EXECNZ %bb.1, implicit $exec +# COMMON-LABEL bb.2: +# COMMON: $exec = S_MOV_B64 [[SAVEEXEC]] +--- +name: offen +liveins: + - { reg: '$vgpr0', virtual-reg: '%0' } + - { reg: '$vgpr1', virtual-reg: '%1' } + - { reg: '$vgpr2', virtual-reg: '%2' } + - { reg: '$vgpr3', virtual-reg: '%3' } + - { reg: '$vgpr4', virtual-reg: '%4' } + - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } +body: | + bb.0: + liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $sgpr30_sgpr31 + %5:sreg_64 = COPY $sgpr30_sgpr31 + %4:vgpr_32 = COPY $vgpr4 + %3:vgpr_32 = COPY $vgpr3 + %2:vgpr_32 = COPY $vgpr2 + %1:vgpr_32 = COPY $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %6:sreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 + %7:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFEN %4, killed %6, 0, 0, 0, 0, 0, implicit $exec + $sgpr30_sgpr31 = COPY %5 + $vgpr0 = COPY %7 + S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0 +... + +# COMMON-LABEL: name: bothen +# COMMON-LABEL: bb.0: +# COMMON-NEXT: successors: %bb.1({{.*}}) +# COMMON: [[VRSRC:%[0-9]+]]:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 +# COMMON: [[SAVEEXEC:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec +# COMMON-LABEL: bb.1: +# COMMON-NEXT: successors: %bb.1({{.*}}), %bb.2({{.*}}) +# COMMON: [[SRSRC0:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub0, implicit $exec +# COMMON: [[SRSRC1:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub1, implicit $exec +# COMMON: [[SRSRC2:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub2, implicit $exec +# COMMON: [[SRSRC3:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub3, implicit $exec +# COMMON: [[SRSRC:%[0-9]+]]:sreg_128 = REG_SEQUENCE [[SRSRC0]], %subreg.sub0, [[SRSRC1]], %subreg.sub1, [[SRSRC2]], %subreg.sub2, [[SRSRC3]], %subreg.sub3 +# COMMON: [[CMP0:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub0_sub1, [[VRSRC]].sub0_sub1, implicit $exec +# COMMON: [[CMP1:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub2_sub3, [[VRSRC]].sub2_sub3, implicit $exec +# COMMON: [[CMP:%[0-9]+]]:sreg_64 = S_AND_B64 [[CMP0]], [[CMP1]], implicit-def $scc +# COMMON: [[TMPEXEC:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[CMP]], implicit-def $exec, implicit-def $scc, implicit $exec +# COMMON: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_BOTHEN %4, killed [[SRSRC]], 0, 0, 0, 0, 0, implicit $exec +# COMMON: $exec = S_XOR_B64_term $exec, [[TMPEXEC]], implicit-def $scc +# COMMON: S_CBRANCH_EXECNZ %bb.1, implicit $exec +# COMMON-LABEL bb.2: +# COMMON: $exec = S_MOV_B64 [[SAVEEXEC]] +--- +name: bothen +liveins: + - { reg: '$vgpr0', virtual-reg: '%0' } + - { reg: '$vgpr1', virtual-reg: '%1' } + - { reg: '$vgpr2', virtual-reg: '%2' } + - { reg: '$vgpr3', virtual-reg: '%3' } + - { reg: '$vgpr4_vgpr5', virtual-reg: '%4' } + - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } +body: | + bb.0: + liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $sgpr30_sgpr31 + %5:sreg_64 = COPY $sgpr30_sgpr31 + %4:vreg_64 = COPY $vgpr4_vgpr5 + %3:vgpr_32 = COPY $vgpr3 + %2:vgpr_32 = COPY $vgpr2 + %1:vgpr_32 = COPY $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %6:sreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 + %7:vgpr_32 = BUFFER_LOAD_FORMAT_X_BOTHEN %4, killed %6, 0, 0, 0, 0, 0, implicit $exec + $sgpr30_sgpr31 = COPY %5 + $vgpr0 = COPY %7 + S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0 +... + +# COMMON-LABEL: name: addr64 +# COMMON-LABEL: bb.0: +# COMMON: %12:vreg_64 = COPY %8.sub0_sub1 +# COMMON: %13:sreg_64 = S_MOV_B64 0 +# COMMON: %14:sgpr_32 = S_MOV_B32 0 +# COMMON: %15:sgpr_32 = S_MOV_B32 61440 +# COMMON: %16:sreg_128 = REG_SEQUENCE %13, %subreg.sub0_sub1, %14, %subreg.sub2, %15, %subreg.sub3 +# COMMON: %9:vgpr_32 = V_ADD_I32_e32 %12.sub0, %4.sub0, implicit-def $vcc, implicit $exec +# COMMON: %10:vgpr_32 = V_ADDC_U32_e32 %12.sub1, %4.sub1, implicit-def $vcc, implicit $vcc, implicit $exec +# COMMON: %11:vreg_64 = REG_SEQUENCE %9, %subreg.sub0, %10, %subreg.sub1 +# COMMON: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_ADDR64 %11, killed %16, 0, 0, 0, 0, 0, implicit $exec +--- +name: addr64 +liveins: + - { reg: '$vgpr0', virtual-reg: '%0' } + - { reg: '$vgpr1', virtual-reg: '%1' } + - { reg: '$vgpr2', virtual-reg: '%2' } + - { reg: '$vgpr3', virtual-reg: '%3' } + - { reg: '$vgpr4_vgpr5', virtual-reg: '%4' } + - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } +body: | + bb.0: + liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $sgpr30_sgpr31 + %5:sreg_64 = COPY $sgpr30_sgpr31 + %4:vreg_64 = COPY $vgpr4_vgpr5 + %3:vgpr_32 = COPY $vgpr3 + %2:vgpr_32 = COPY $vgpr2 + %1:vgpr_32 = COPY $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %6:sreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 + %7:vgpr_32 = BUFFER_LOAD_FORMAT_X_ADDR64 %4, killed %6, 0, 0, 0, 0, 0, implicit $exec + $sgpr30_sgpr31 = COPY %5 + $vgpr0 = COPY %7 + S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0 +... + +# COMMON-LABEL: name: offset +# COMMON-LABEL: bb.0: + +# NO-ADDR64-NEXT: successors: %bb.1({{.*}}) +# NO-ADDR64: [[VRSRC:%[0-9]+]]:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 +# NO-ADDR64: [[SAVEEXEC:%[0-9]+]]:sreg_64_xexec = S_MOV_B64 $exec +# NO-ADDR64-LABEL: bb.1: +# NO-ADDR64-NEXT: successors: %bb.1({{.*}}), %bb.2({{.*}}) +# NO-ADDR64: [[SRSRC0:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub0, implicit $exec +# NO-ADDR64: [[SRSRC1:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub1, implicit $exec +# NO-ADDR64: [[SRSRC2:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub2, implicit $exec +# NO-ADDR64: [[SRSRC3:%[0-9]+]]:sgpr_32 = V_READFIRSTLANE_B32 [[VRSRC]].sub3, implicit $exec +# NO-ADDR64: [[SRSRC:%[0-9]+]]:sreg_128 = REG_SEQUENCE [[SRSRC0]], %subreg.sub0, [[SRSRC1]], %subreg.sub1, [[SRSRC2]], %subreg.sub2, [[SRSRC3]], %subreg.sub3 +# NO-ADDR64: [[CMP0:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub0_sub1, [[VRSRC]].sub0_sub1, implicit $exec +# NO-ADDR64: [[CMP1:%[0-9]+]]:sreg_64 = V_CMP_EQ_U64_e64 [[SRSRC]].sub2_sub3, [[VRSRC]].sub2_sub3, implicit $exec +# NO-ADDR64: [[CMP:%[0-9]+]]:sreg_64 = S_AND_B64 [[CMP0]], [[CMP1]], implicit-def $scc +# NO-ADDR64: [[TMPEXEC:%[0-9]+]]:sreg_64 = S_AND_SAVEEXEC_B64 killed [[CMP]], implicit-def $exec, implicit-def $scc, implicit $exec +# NO-ADDR64: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFSET killed [[SRSRC]], 0, 0, 0, 0, 0, implicit $exec +# NO-ADDR64: $exec = S_XOR_B64_term $exec, [[TMPEXEC]], implicit-def $scc +# NO-ADDR64: S_CBRANCH_EXECNZ %bb.1, implicit $exec +# NO-ADDR64-LABEL bb.2: +# NO-ADDR64: $exec = S_MOV_B64 [[SAVEEXEC]] + +# ADDR64: [[VRSRC:%[0-9]+]]:vreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 +# ADDR64: [[RSRCPTR:%[0-9]+]]:vreg_64 = COPY [[VRSRC]].sub0_sub1 +# ADDR64: [[ZERO64:%[0-9]+]]:sreg_64 = S_MOV_B64 0 +# ADDR64: [[RSRCFMTLO:%[0-9]+]]:sgpr_32 = S_MOV_B32 0 +# ADDR64: [[RSRCFMTHI:%[0-9]+]]:sgpr_32 = S_MOV_B32 61440 +# ADDR64: [[ZERORSRC:%[0-9]+]]:sreg_128 = REG_SEQUENCE [[ZERO64]], %subreg.sub0_sub1, [[RSRCFMTLO]], %subreg.sub2, [[RSRCFMTHI]], %subreg.sub3 +# ADDR64: [[VADDR64:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[RSRCPTR]].sub0, %subreg.sub0, [[RSRCPTR]].sub1, %subreg.sub1 +# ADDR64: {{[0-9]+}}:vgpr_32 = BUFFER_LOAD_FORMAT_X_ADDR64 [[VADDR64]], [[ZERORSRC]], 0, 0, 0, 0, 0, implicit $exec + +--- +name: offset +liveins: + - { reg: '$vgpr0', virtual-reg: '%0' } + - { reg: '$vgpr1', virtual-reg: '%1' } + - { reg: '$vgpr2', virtual-reg: '%2' } + - { reg: '$vgpr3', virtual-reg: '%3' } + - { reg: '$vgpr4_vgpr5', virtual-reg: '%4' } + - { reg: '$sgpr30_sgpr31', virtual-reg: '%5' } +body: | + bb.0: + liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4, $sgpr30_sgpr31 + %5:sreg_64 = COPY $sgpr30_sgpr31 + %4:vreg_64 = COPY $vgpr4_vgpr5 + %3:vgpr_32 = COPY $vgpr3 + %2:vgpr_32 = COPY $vgpr2 + %1:vgpr_32 = COPY $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %6:sreg_128 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1, %2, %subreg.sub2, %3, %subreg.sub3 + %7:vgpr_32 = BUFFER_LOAD_FORMAT_X_OFFSET killed %6, 0, 0, 0, 0, 0, implicit $exec + $sgpr30_sgpr31 = COPY %5 + $vgpr0 = COPY %7 + S_SETPC_B64_return $sgpr30_sgpr31, implicit $vgpr0 +...