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If these blocks are empty, there is no reason to even emit the bytecode blocks.

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This saves about 15K in 176.gcc, coupled with another patch that I'm working on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10889 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-01-15 21:06:57 +00:00
parent d5c59d5c84
commit 0baa0af861
2 changed files with 24 additions and 8 deletions
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lib/Bytecode/Writer/Writer.cpp
+4 -2
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@@ -164,7 +164,8 @@ void BytecodeWriter::outputConstantsInPlane(const std::vector<const Value*>
void BytecodeWriter::outputConstants(bool isFunction) {
ConstantTotalBytes -= Out.size();
if (isFunction) FunctionConstantTotalBytes -= Out.size();
BytecodeBlock CPool(BytecodeFormat::ConstantPool, Out);
BytecodeBlock CPool(BytecodeFormat::ConstantPool, Out,
true /* Elide block if empty */);
unsigned NumPlanes = Table.getNumPlanes();
@@ -286,7 +287,8 @@ void BytecodeWriter::outputSymbolTable(const SymbolTable &MST) {
SymTabBytes -= Out.size();
BytecodeBlock SymTabBlock(BytecodeFormat::SymbolTable, Out);
BytecodeBlock SymTabBlock(BytecodeFormat::SymbolTable, Out,
true/* ElideIfEmpty*/);
for (SymbolTable::const_iterator TI = MST.begin(); TI != MST.end(); ++TI) {
SymbolTable::type_const_iterator I = MST.type_begin(TI->first);