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Make better use of the PHINode API.

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Change various bits of code to make better use of the existing PHINode
API, to insulate them from forthcoming changes in how PHINodes store
their operands.

llvm-svn: 133434
This commit is contained in:
Jay Foad
2011-06-20 14:18:48 +00:00
parent 5c54d75763
commit 372ad64b4d
7 changed files with 34 additions and 21 deletions
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12
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -1079,12 +1079,16 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
AbbrevToUse = FUNCTION_INST_UNREACHABLE_ABBREV;
break;
case Instruction::PHI:
case Instruction::PHI: {
const PHINode &PN = cast<PHINode>(I);
Code = bitc::FUNC_CODE_INST_PHI;
Vals.push_back(VE.getTypeID(I.getType()));
for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i)
Vals.push_back(VE.getValueID(I.getOperand(i)));
Vals.push_back(VE.getTypeID(PN.getType()));
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) {
Vals.push_back(VE.getValueID(PN.getIncomingValue(i)));
Vals.push_back(VE.getValueID(PN.getIncomingBlock(i)));
}
break;
}
case Instruction::Alloca:
Code = bitc::FUNC_CODE_INST_ALLOCA;