diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 03:31:05 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-11 03:31:05 +0000 |
| commit | 7147ab9e785a89d4bd9a3a88268752d717046274 (patch) | |
| tree | d4d8710b473014d113c501edd6e7561ac9dd4af7 /llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 3bb12674310fb0dfa35bf8a65b73bd82b78f43ef (diff) | |
| download | bcm5719-llvm-7147ab9e785a89d4bd9a3a88268752d717046274.tar.gz bcm5719-llvm-7147ab9e785a89d4bd9a3a88268752d717046274.zip | |
Use COPY for extracting ImplicitDef'ed values from fast-isel instructions.
This assumes that the registers can be copied which is probably a safe
assumption.
llvm-svn: 108070
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 42 |
1 files changed, 12 insertions, 30 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 5be457c6208..63413d77cf2 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -1077,11 +1077,8 @@ unsigned FastISel::FastEmitInst_r(unsigned MachineInstOpcode, else { BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) .addReg(Op0, Op0IsKill * RegState::Kill); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; @@ -1102,11 +1099,8 @@ unsigned FastISel::FastEmitInst_rr(unsigned MachineInstOpcode, BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) .addReg(Op0, Op0IsKill * RegState::Kill) .addReg(Op1, Op1IsKill * RegState::Kill); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; } @@ -1126,11 +1120,8 @@ unsigned FastISel::FastEmitInst_ri(unsigned MachineInstOpcode, BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) .addReg(Op0, Op0IsKill * RegState::Kill) .addImm(Imm); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; } @@ -1150,11 +1141,8 @@ unsigned FastISel::FastEmitInst_rf(unsigned MachineInstOpcode, BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) .addReg(Op0, Op0IsKill * RegState::Kill) .addFPImm(FPImm); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; } @@ -1177,11 +1165,8 @@ unsigned FastISel::FastEmitInst_rri(unsigned MachineInstOpcode, .addReg(Op0, Op0IsKill * RegState::Kill) .addReg(Op1, Op1IsKill * RegState::Kill) .addImm(Imm); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; } @@ -1196,11 +1181,8 @@ unsigned FastISel::FastEmitInst_i(unsigned MachineInstOpcode, BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II, ResultReg).addImm(Imm); else { BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II).addImm(Imm); - bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt, - ResultReg, II.ImplicitDefs[0], - RC, RC, DL); - if (!InsertedCopy) - ResultReg = 0; + BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY), + ResultReg).addReg(II.ImplicitDefs[0]); } return ResultReg; } |
