diff options
4 files changed, 16 insertions, 3 deletions
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h b/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h index 41061fb6dbd..df52127087a 100644 --- a/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h +++ b/llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h @@ -183,6 +183,15 @@ public: /// \return The newly created instruction. MachineInstr *buildBr(MachineBasicBlock &BB); + /// Build and insert \p Res<def> = COPY Op + /// + /// Register-to-register COPY sets \p Res to \p Op. + /// + /// \pre setBasicBlock or setMI must have been called. + /// + /// \return The newly created instruction. + MachineInstr *buildCopy(unsigned Res, unsigned Op); + /// Build and insert `Res0<def>, ... = G_EXTRACT Ty Src, Idx0, ...`. /// /// If \p Ty has size N bits, G_EXTRACT sets \p Res[0] to bits `[Idxs[0], diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp index c581439cc2b..9ce7fe4a2cc 100644 --- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -102,8 +102,8 @@ bool IRTranslator::translateBr(const Instruction &Inst) { bool IRTranslator::translateBitCast(const CastInst &CI) { if (LLT{*CI.getDestTy()} == LLT{*CI.getSrcTy()}) { - MIRBuilder.buildInstr(TargetOpcode::COPY, getOrCreateVReg(CI), - getOrCreateVReg(*CI.getOperand(0))); + MIRBuilder.buildCopy(getOrCreateVReg(CI), + getOrCreateVReg(*CI.getOperand(0))); return true; } return translateCast(TargetOpcode::G_BITCAST, CI); diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp index fb9b296e8ac..a426776e177 100644 --- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp +++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp @@ -90,6 +90,10 @@ MachineInstr *MachineIRBuilder::buildBr(MachineBasicBlock &Dest) { return NewMI; } +MachineInstr *MachineIRBuilder::buildCopy(unsigned Res, unsigned Op) { + return buildInstr(TargetOpcode::COPY, Res, Op); +} + MachineInstr *MachineIRBuilder::buildExtract(LLT Ty, ArrayRef<unsigned> Results, unsigned Src, ArrayRef<unsigned> Indexes) { diff --git a/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp b/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp index e9e42b0102b..521bb795682 100644 --- a/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp +++ b/llvm/lib/CodeGen/GlobalISel/RegBankSelect.cpp @@ -126,7 +126,7 @@ void RegBankSelect::repairReg( "We are about to create several defs for Dst"); // Build the instruction used to repair, then clone it at the right places. - MachineInstr *MI = MIRBuilder.buildInstr(TargetOpcode::COPY, Dst, Src); + MachineInstr *MI = MIRBuilder.buildCopy(Dst, Src); MI->removeFromParent(); DEBUG(dbgs() << "Copy: " << PrintReg(Src) << " to: " << PrintReg(Dst) << '\n'); |
