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Previously, all operands to Constant were themselves constant.

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In the new world order, BlockAddress can have a BasicBlock operand.
This doesn't permute much, because if you have a ConstantExpr (or
anything more specific than Constant) we still know the operand has
to be a Constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-10-28 05:14:34 +00:00
parent 46b3abc9f7
commit 0eeb913aa1
7 changed files with 48 additions and 39 deletions
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7
lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -751,10 +751,11 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
assert (0 && "Unknown FP type!");
}
} else if (isa<ConstantArray>(C) && cast<ConstantArray>(C)->isString()) {
const ConstantArray *CA = cast<ConstantArray>(C);
// Emit constant strings specially.
unsigned NumOps = C->getNumOperands();
unsigned NumOps = CA->getNumOperands();
// If this is a null-terminated string, use the denser CSTRING encoding.
if (C->getOperand(NumOps-1)->isNullValue()) {
if (CA->getOperand(NumOps-1)->isNullValue()) {
Code = bitc::CST_CODE_CSTRING;
--NumOps; // Don't encode the null, which isn't allowed by char6.
} else {
@ -764,7 +765,7 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
bool isCStr7 = Code == bitc::CST_CODE_CSTRING;
bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING;
for (unsigned i = 0; i != NumOps; ++i) {
unsigned char V = cast<ConstantInt>(C->getOperand(i))->getZExtValue();
unsigned char V = cast<ConstantInt>(CA->getOperand(i))->getZExtValue();
Record.push_back(V);
isCStr7 &= (V & 128) == 0;
if (isCStrChar6)