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author | Rafael Espindola <rafael.espindola@gmail.com> | 2014-06-18 19:05:24 +0000 |
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committer | Rafael Espindola <rafael.espindola@gmail.com> | 2014-06-18 19:05:24 +0000 |
commit | d681e31b46bdfad5bcc925241472c272f9796aa5 (patch) | |
tree | 22997455e16ac644c4493ade2d19f0d1baa724d4 /lib | |
parent | cc21bbde87de290fa09dc0468808594bab4203c7 (diff) | |
download | llvm-d681e31b46bdfad5bcc925241472c272f9796aa5.tar.gz llvm-d681e31b46bdfad5bcc925241472c272f9796aa5.tar.bz2 llvm-d681e31b46bdfad5bcc925241472c272f9796aa5.tar.xz |
Change IRObjectFile to parse the bitcode lazily.
The main point of this class is to provide a cheap object interface to a bitcode
file, so it has to be as lazy as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Object/IRObjectFile.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/Object/IRObjectFile.cpp b/lib/Object/IRObjectFile.cpp index 48820361d4..004d8de065 100644 --- a/lib/Object/IRObjectFile.cpp +++ b/lib/Object/IRObjectFile.cpp @@ -23,7 +23,8 @@ using namespace object; IRObjectFile::IRObjectFile(MemoryBuffer *Object, std::error_code &EC, LLVMContext &Context, bool BufferOwned) : SymbolicFile(Binary::ID_IR, Object, BufferOwned) { - ErrorOr<Module*> MOrErr = parseBitcodeFile(Object, Context); + ErrorOr<Module *> MOrErr = + getLazyBitcodeModule(Object, Context, /*BufferOwned*/ false); if ((EC = MOrErr.getError())) return; @@ -104,11 +105,21 @@ std::error_code IRObjectFile::printSymbolName(raw_ostream &OS, return object_error::success; } +static bool isDeclaration(const GlobalValue &V) { + if (V.hasAvailableExternallyLinkage()) + return true; + + if (V.isMaterializable()) + return false; + + return V.isDeclaration(); +} + uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const { const GlobalValue &GV = getGV(Symb); uint32_t Res = BasicSymbolRef::SF_None; - if (GV.isDeclaration() || GV.hasAvailableExternallyLinkage()) + if (isDeclaration(GV)) Res |= BasicSymbolRef::SF_Undefined; if (GV.hasPrivateLinkage()) Res |= BasicSymbolRef::SF_FormatSpecific; |