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rewrite EmitConvertToMCInst to iterate over the MCInst operands,

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filling them in one at a time.  Previously this iterated over the
asmoperands, which left the problem of "holes".  The new approach
simplifies things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118104 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-11-02 22:55:03 +00:00
parent 0800ce7189
commit 9b0d4bfca0
2 changed files with 76 additions and 99 deletions
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13
utils/TableGen/CodeGenInstruction.h
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@@ -102,7 +102,18 @@ namespace llvm {
const std::string &EMN, unsigned MION, unsigned MINO,
DagInit *MIOI)
: Rec(R), Name(N), PrinterMethodName(PMN), EncoderMethodName(EMN),
MIOperandNo(MION), MINumOperands(MINO), MIOperandInfo(MIOI) {}
MIOperandNo(MION), MINumOperands(MINO), MIOperandInfo(MIOI) {}
/// getTiedOperand - If this operand is tied to another one, return the
/// other operand number. Otherwise, return -1.
int getTiedRegister() const {
for (unsigned j = 0, e = Constraints.size(); j != e; ++j) {
const CGIOperandList::ConstraintInfo &CI = Constraints[j];
if (CI.isTied()) return CI.getTiedOperand();
}
return -1;
}
};
CGIOperandList(Record *D);