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[opaque pointer type] Encode the allocated type of an alloca rather than its pointer result type.

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llvm-svn: 235998
This commit is contained in:
David Blaikie
2015-04-28 16:51:01 +00:00
parent ba55804ea3
commit bdb4910202
2 changed files with 16 additions and 8 deletions
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5
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@@ -1870,15 +1870,16 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
case Instruction::Alloca: {
Code = bitc::FUNC_CODE_INST_ALLOCA;
Vals.push_back(VE.getTypeID(I.getType()));
const AllocaInst &AI = cast<AllocaInst>(I);
Vals.push_back(VE.getTypeID(AI.getAllocatedType()));
Vals.push_back(VE.getTypeID(I.getOperand(0)->getType()));
Vals.push_back(VE.getValueID(I.getOperand(0))); // size.
const AllocaInst &AI = cast<AllocaInst>(I);
unsigned AlignRecord = Log2_32(AI.getAlignment()) + 1;
assert(Log2_32(Value::MaximumAlignment) + 1 < 1 << 5 &&
"not enough bits for maximum alignment");
assert(AlignRecord < 1 << 5 && "alignment greater than 1 << 64");
AlignRecord |= AI.isUsedWithInAlloca() << 5;
AlignRecord |= 1 << 6;
Vals.push_back(AlignRecord);
break;
}