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Bitcode: Split out block info reading into a separate function.

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We're about to make this more complicated.

llvm-svn: 286206
This commit is contained in:
Peter Collingbourne 2016-11-08 04:16:57 +00:00
parent c22f370cad
commit 0d2702dc42
1 changed files with 8 additions and 2 deletions
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10
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -237,6 +237,7 @@ protected:
BitstreamCursor Stream;
std::error_code initStream();
bool readBlockInfo();
virtual std::error_code error(const Twine &Message) = 0;
virtual ~BitcodeReaderBase() = default;
@ -3758,6 +3759,11 @@ std::error_code BitcodeReader::parseBitcodeVersion() {
}
}
bool BitcodeReaderBase::readBlockInfo() {
return Stream.ReadBlockInfoBlock();
}
std::error_code BitcodeReader::parseModule(uint64_t ResumeBit,
bool ShouldLazyLoadMetadata) {
if (ResumeBit)
@ -3786,7 +3792,7 @@ std::error_code BitcodeReader::parseModule(uint64_t ResumeBit,
return error("Invalid record");
break;
case bitc::BLOCKINFO_BLOCK_ID:
if (Stream.ReadBlockInfoBlock())
if (readBlockInfo())
return error("Malformed block");
break;
case bitc::PARAMATTR_BLOCK_ID:
@ -6153,7 +6159,7 @@ std::error_code ModuleSummaryIndexBitcodeReader::parseModule() {
break;
case bitc::BLOCKINFO_BLOCK_ID:
// Need to parse these to get abbrev ids (e.g. for VST)
if (Stream.ReadBlockInfoBlock())
if (readBlockInfo())
return error("Malformed block");
break;
case bitc::VALUE_SYMTAB_BLOCK_ID: