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| author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2001-10-14 23:28:43 +0000 |
|---|---|---|
| committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2001-10-14 23:28:43 +0000 |
| commit | c025fc10836da6af7e456a77f32d57c7d636da79 (patch) | |
| tree | 1eabba0b282bc40f1828e443cdb68eea7d2e1e3d | |
| parent | b847f51bc83972178f29fe3634f38d6bfdc43bfd (diff) | |
Forward operands into implicit uses as well as explicit ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@808 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/SparcV9/SparcV9InstrSelection.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/SparcV9/SparcV9InstrSelection.cpp b/lib/Target/SparcV9/SparcV9InstrSelection.cpp index d303f8eb90..25b1d7b748 100644 --- a/lib/Target/SparcV9/SparcV9InstrSelection.cpp +++ b/lib/Target/SparcV9/SparcV9InstrSelection.cpp @@ -290,7 +290,6 @@ ChooseMovpccAfterSub(const InstructionNode* instrNode, return opCode; } - static inline MachineOpCode ChooseConvertToFloatInstr(const InstructionNode* instrNode, const Type* opType) @@ -1277,7 +1276,8 @@ FixConstantOperands(const InstructionNode* vmInstrNode, // // Substitute operand `operandNum' of the instruction in node `treeNode' -// in place the use(s) of that instruction in node `parent'. +// in place of the use(s) of that instruction in node `parent'. +// Check both explicit and implicit operands! // static void ForwardOperand(InstructionNode* treeNode, @@ -1302,7 +1302,8 @@ ForwardOperand(InstructionNode* treeNode, for (unsigned i=0, N=mvec.size(); i < N; i++) { MachineInstr* minstr = mvec[i]; - for (unsigned i=0, numOps=minstr->getNumOperands(); i < numOps; i++) + + for (unsigned i=0, numOps=minstr->getNumOperands(); i < numOps; ++i) { const MachineOperand& mop = minstr->getOperand(i); if (mop.getOperandType() == MachineOperand::MO_VirtualRegister && @@ -1312,6 +1313,10 @@ ForwardOperand(InstructionNode* treeNode, fwdOp); } } + + for (unsigned i=0, numOps=minstr->getNumImplicitRefs(); i < numOps; ++i) + if (minstr->getImplicitRef(i) == unusedOp) + minstr->setImplicitRef(i, fwdOp, minstr->implicitRefIsDefined(i)); } } |