diff options
Diffstat (limited to 'contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp b/contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp index aeee4aa89562..732b06dc15c7 100644 --- a/contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp +++ b/contrib/llvm/lib/Target/R600/R600ExpandSpecialInstrs.cpp @@ -33,16 +33,16 @@ private: static char ID; const R600InstrInfo *TII; - bool ExpandInputPerspective(MachineInstr& MI); - bool ExpandInputConstant(MachineInstr& MI); + void SetFlagInNewMI(MachineInstr *NewMI, const MachineInstr *OldMI, + unsigned Op); public: R600ExpandSpecialInstrsPass(TargetMachine &tm) : MachineFunctionPass(ID), - TII(0) { } + TII(nullptr) { } - virtual bool runOnMachineFunction(MachineFunction &MF); + bool runOnMachineFunction(MachineFunction &MF) override; - const char *getPassName() const { + const char *getPassName() const override { return "R600 Expand special instructions pass"; } }; @@ -55,6 +55,15 @@ FunctionPass *llvm::createR600ExpandSpecialInstrsPass(TargetMachine &TM) { return new R600ExpandSpecialInstrsPass(TM); } +void R600ExpandSpecialInstrsPass::SetFlagInNewMI(MachineInstr *NewMI, + const MachineInstr *OldMI, unsigned Op) { + int OpIdx = TII->getOperandIdx(*OldMI, Op); + if (OpIdx > -1) { + uint64_t Val = OldMI->getOperand(OpIdx).getImm(); + TII->setImmOperand(NewMI, Op, Val); + } +} + bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) { TII = static_cast<const R600InstrInfo *>(MF.getTarget().getInstrInfo()); @@ -66,7 +75,7 @@ bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) { MachineBasicBlock::iterator I = MBB.begin(); while (I != MBB.end()) { MachineInstr &MI = *I; - I = llvm::next(I); + I = std::next(I); // Expand LDS_*_RET instructions if (TII->isLDSRetInstr(MI.getOpcode())) { @@ -325,6 +334,12 @@ bool R600ExpandSpecialInstrsPass::runOnMachineFunction(MachineFunction &MF) { if (NotLast) { TII->addFlag(NewMI, 0, MO_FLAG_NOT_LAST); } + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::clamp); + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::literal); + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src0_abs); + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src1_abs); + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src0_neg); + SetFlagInNewMI(NewMI, &MI, AMDGPU::OpName::src1_neg); } MI.eraseFromParent(); } |