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Map compilation units using FileEntry pointers instead of 

FileIDs. This seems better conceptually and lets the SourceManager
handle details of mapping the location to a file ID.
 - In practice, fixes an assert because this code wasn't using
   getPhysicalLoc.

llvm-svn: 58055
This commit is contained in:
Daniel Dunbar 2008-10-24 00:46:51 +00:00
parent 1507dbfbfc
commit 607f67b16c
2 changed files with 8 additions and 11 deletions
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17
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -64,7 +64,7 @@ CGDebugInfo::~CGDebugInfo()
delete SR;
// Free CompileUnitCache.
for (std::map<unsigned, llvm::CompileUnitDesc *>::iterator I
for (std::map<const FileEntry*, llvm::CompileUnitDesc *>::iterator I
= CompileUnitCache.begin(); I != CompileUnitCache.end(); ++I) {
delete I->second;
}
@ -134,15 +134,17 @@ llvm::Value *CGDebugInfo::getValueFor(llvm::DebugInfoDesc *DD) {
/// one if necessary.
llvm::CompileUnitDesc
*CGDebugInfo::getOrCreateCompileUnit(const SourceLocation Loc) {
SourceManager &SM = M->getContext().getSourceManager();
const FileEntry *FE = SM.getFileEntryForLoc(Loc);
// See if this compile unit has been used before.
llvm::CompileUnitDesc *&Slot = CompileUnitCache[Loc.getFileID()];
if (Slot) return Slot;
llvm::CompileUnitDesc *&Unit = CompileUnitCache[FE];
if (Unit) return Unit;
// Create new compile unit.
// FIXME: Where to free these?
// One way is to iterate over the CompileUnitCache in ~CGDebugInfo.
llvm::CompileUnitDesc *Unit = new llvm::CompileUnitDesc();
Unit = new llvm::CompileUnitDesc();
// Make sure we have an anchor.
if (!CompileUnitAnchor) {
@ -150,8 +152,6 @@ llvm::CompileUnitDesc
}
// Get source file information.
SourceManager &SM = M->getContext().getSourceManager();
const FileEntry *FE = SM.getFileEntryForLoc(Loc);
const char *FileName, *DirName;
if (FE) {
FileName = FE->getName();
@ -173,9 +173,6 @@ llvm::CompileUnitDesc
// FIXME: Handle other languages as well.
Unit->setLanguage(llvm::dwarf::DW_LANG_C89);
// Update cache.
Slot = Unit;
return Unit;
}

2
clang/lib/CodeGen/CGDebugInfo.h
View File

@ -57,7 +57,7 @@ private:
typedef llvm::IRBuilder<> BuilderType;
/// CompileUnitCache - Cache of previously constructed CompileUnits.
std::map<unsigned, llvm::CompileUnitDesc *> CompileUnitCache;
std::map<const FileEntry*, llvm::CompileUnitDesc *> CompileUnitCache;
/// TypeCache - Cache of previously constructed Types.
std::map<void *, llvm::TypeDesc *> TypeCache;