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Update bitcode reader and writer to handle multiple return values.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47583 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2008-02-26 01:29:32 +00:00
parent aaeb60ae40
commit d9d99ff8e8
3 changed files with 35 additions and 19 deletions
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23
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -747,15 +747,24 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
case Instruction::GetResult:
Code = bitc::FUNC_CODE_INST_GETRESULT;
PushValueAndType(I.getOperand(0), InstID, Vals, VE);
Vals.push_back(Log2_32(cast<GetResultInst>(I).getIndex())+1);
Vals.push_back(cast<GetResultInst>(I).getIndex());
break;
case Instruction::Ret:
Code = bitc::FUNC_CODE_INST_RET;
if (!I.getNumOperands())
AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV;
else if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE))
AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV;
case Instruction::Ret:
{
Code = bitc::FUNC_CODE_INST_RET;
unsigned NumOperands = I.getNumOperands();
// printf ("dpatel write %d\n", NumOperands);
if (NumOperands == 0)
AbbrevToUse = FUNCTION_INST_RET_VOID_ABBREV;
else if (NumOperands == 1) {
if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE))
AbbrevToUse = FUNCTION_INST_RET_VAL_ABBREV;
} else {
for (unsigned i = 0, e = NumOperands; i != e; ++i)
PushValueAndType(I.getOperand(i), InstID, Vals, VE);
}
}
break;
case Instruction::Br:
Code = bitc::FUNC_CODE_INST_BR;