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Bitcode: Merge the code for parsing global value module codes in the summary bitcode reader. NFCI.

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This code will need to be taught to handle string tables and it's better if
there is only one copy of it.

Differential Revision: https://reviews.llvm.org/D31829

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299886 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne
2017-04-10 21:17:54 +00:00
parent 5c741f7437
commit 995bc5b095
1 changed files with 6 additions and 26 deletions
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32
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -4742,33 +4742,13 @@ Error ModuleSummaryIndexBitcodeReader::parseModule(StringRef ModulePath) {
// was historically always the start of the regular bitcode header.
VSTOffset = Record[0] - 1;
break;
// GLOBALVAR: [pointer type, isconst, initid,
// linkage, alignment, section, visibility, threadlocal,
// unnamed_addr, externally_initialized, dllstorageclass,
// comdat]
case bitc::MODULE_CODE_GLOBALVAR: {
if (Record.size() < 6)
return error("Invalid record");
uint64_t RawLinkage = Record[3];
GlobalValue::LinkageTypes Linkage = getDecodedLinkage(RawLinkage);
ValueIdToLinkageMap[ValueId++] = Linkage;
break;
}
// FUNCTION: [type, callingconv, isproto, linkage, paramattr,
// alignment, section, visibility, gc, unnamed_addr,
// prologuedata, dllstorageclass, comdat, prefixdata]
case bitc::MODULE_CODE_FUNCTION: {
if (Record.size() < 8)
return error("Invalid record");
uint64_t RawLinkage = Record[3];
GlobalValue::LinkageTypes Linkage = getDecodedLinkage(RawLinkage);
ValueIdToLinkageMap[ValueId++] = Linkage;
break;
}
// ALIAS: [alias type, addrspace, aliasee val#, linkage, visibility,
// dllstorageclass]
// GLOBALVAR: [pointer type, isconst, initid, linkage, ...]
// FUNCTION: [type, callingconv, isproto, linkage, ...]
// ALIAS: [alias type, addrspace, aliasee val#, linkage, ...]
case bitc::MODULE_CODE_GLOBALVAR:
case bitc::MODULE_CODE_FUNCTION:
case bitc::MODULE_CODE_ALIAS: {
if (Record.size() < 6)
if (Record.size() <= 3)
return error("Invalid record");
uint64_t RawLinkage = Record[3];
GlobalValue::LinkageTypes Linkage = getDecodedLinkage(RawLinkage);