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Fix a bug in bitstream writer handling abbrevs, add value symtab

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36373 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-04-23 20:34:46 +00:00
parent 56c42ef3e4
commit 73f3fd775f
2 changed files with 12 additions and 6 deletions
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11
include/llvm/Bitcode/BitstreamWriter.h
View File

@ -147,12 +147,8 @@ public:
EmitVBR(CodeLen, bitc::CodeLenWidth); EmitVBR(CodeLen, bitc::CodeLenWidth);
FlushToWord(); FlushToWord();
BlockScope.push_back(Block(CurCodeSize, Out.size()/4)); BlockScope.push_back(Block(CurCodeSize, Out.size()/4));
// Delete all abbrevs.
for (unsigned i = 0, e = CurAbbrevs.size(); i != e; ++i)
delete CurAbbrevs[i];
BlockScope.back().PrevAbbrevs.swap(CurAbbrevs); BlockScope.back().PrevAbbrevs.swap(CurAbbrevs);
// Emit a placeholder, which will be replaced when the block is popped. // Emit a placeholder, which will be replaced when the block is popped.
Emit(0, bitc::BlockSizeWidth); Emit(0, bitc::BlockSizeWidth);
@ -161,6 +157,11 @@ public:
void ExitBlock() { void ExitBlock() {
assert(!BlockScope.empty() && "Block scope imbalance!"); assert(!BlockScope.empty() && "Block scope imbalance!");
// Delete all abbrevs.
for (unsigned i = 0, e = CurAbbrevs.size(); i != e; ++i)
delete CurAbbrevs[i];
const Block &B = BlockScope.back(); const Block &B = BlockScope.back();
// Block tail: // Block tail:

7
include/llvm/Bitcode/LLVMBitCodes.h
View File

@ -33,7 +33,7 @@ namespace bitc {
GLOBALCONSTANTS_BLOCK_ID = 3, GLOBALCONSTANTS_BLOCK_ID = 3,
FUNCTION_BLOCK_ID = 4, FUNCTION_BLOCK_ID = 4,
TYPE_SYMTAB_BLOCK_ID = 5, TYPE_SYMTAB_BLOCK_ID = 5,
GLOBAL_SYMTAB_BLOCK_ID = 6 VALUE_SYMTAB_BLOCK_ID = 6
}; };
@ -81,6 +81,11 @@ namespace bitc {
TST_ENTRY_CODE = 1 // TST_ENTRY: [typeid, namelen, namechar x N] TST_ENTRY_CODE = 1 // TST_ENTRY: [typeid, namelen, namechar x N]
}; };
// The value symbol table only has one code (VST_ENTRY_CODE).
enum ValueSymtabCodes {
VST_ENTRY_CODE = 1 // VST_ENTRY: [valid, namelen, namechar x N]
};
} // End bitc namespace } // End bitc namespace
} // End llvm namespace } // End llvm namespace