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Bytecode format for LLVM 1.2 no longer explicitly encodes zeros in primitive

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type planes.  This saves about 5k on 176.gcc, and is needed for a subsequent
patch of mine I'm working on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10908 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-01-17 23:25:43 +00:00
parent a55e040623
commit 80b97343ec
5 changed files with 38 additions and 13 deletions
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7
lib/Bytecode/Writer/Writer.cpp
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@ -161,6 +161,11 @@ void BytecodeWriter::outputConstantsInPlane(const std::vector<const Value*>
}
}
static inline bool hasNullValue(unsigned TyID) {
return TyID != Type::LabelTyID && TyID != Type::TypeTyID &&
TyID != Type::VoidTyID;
}
void BytecodeWriter::outputConstants(bool isFunction) {
ConstantTotalBytes -= Out.size();
if (isFunction) FunctionConstantTotalBytes -= Out.size();
@ -190,7 +195,7 @@ void BytecodeWriter::outputConstants(bool isFunction) {
if (isFunction) // Don't re-emit module constants
ValNo += Table.getModuleLevel(pno);
if (pno >= Type::FirstDerivedTyID) {
if (hasNullValue(pno)) {
// Skip zero initializer
if (ValNo == 0)
ValNo = 1;