Use COPY in FastISel everywhere it is safe and trivial.
The remaining copyRegToReg calls actually check the return value (shock!), so we
cannot trivially replace them with COPY instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108069 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 02d11bb..5be457c 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -527,10 +527,8 @@
unsigned Reg = TLI.getExceptionAddressRegister();
const TargetRegisterClass *RC = TLI.getRegClassFor(VT);
unsigned ResultReg = createResultReg(RC);
- bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
- ResultReg, Reg, RC, RC, DL);
- assert(InsertedCopy && "Can't copy address registers!");
- InsertedCopy = InsertedCopy;
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+ ResultReg).addReg(Reg);
UpdateValueMap(I, ResultReg);
return true;
}
@@ -557,10 +555,8 @@
EVT SrcVT = TLI.getPointerTy();
const TargetRegisterClass *RC = TLI.getRegClassFor(SrcVT);
unsigned ResultReg = createResultReg(RC);
- bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
- ResultReg, Reg, RC, RC, DL);
- assert(InsertedCopy && "Can't copy address registers!");
- InsertedCopy = InsertedCopy;
+ BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+ ResultReg).addReg(Reg);
bool ResultRegIsKill = hasTrivialKill(I);