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Applied some recommend changes from sabre. The dominate one beginning "let the

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pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25100 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-01-04 22:28:25 +00:00
parent 62281a132f
commit b2efb853f0
11 changed files with 257 additions and 218 deletions
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110
lib/CodeGen/MachineDebugInfo.cpp
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@ -18,74 +18,52 @@ using namespace llvm;
// Handle the Pass registration stuff necessary to use TargetData's.
namespace {
RegisterPass<MachineDebugInfo> X("machinedebuginfo", "Debug Information",
PassInfo::Analysis | PassInfo::Optimization);
RegisterPass<MachineDebugInfo> X("machinedebuginfo", "Debug Information");
}
/// doInitialization - Initialize the debug state for a new module.
///
bool MachineDebugInfo::doInitialization() {
return false;
}
namespace llvm {
/// doFinalization - Tear down the debug state after completion of a module.
///
bool MachineDebugInfo::doFinalization() {
return false;
}
/// getUniqueSourceID - Register a source file with debug info. Returns an id.
///
unsigned MachineDebugInfo::getUniqueSourceID(const std::string &fname,
const std::string &dirname) {
// Compose a key
const std::string path = dirname + "/" + fname;
// Check if the source file is already recorded
std::map<std::string, unsigned>::iterator
SMI = SourceMap.lower_bound(path);
// If already there return existing id
if (SMI != SourceMap.end() && SMI->first == path) return SMI->second;
// Bump up the count
++SourceCount;
// Record the count
SourceMap.insert(SMI, std::make_pair(path, SourceCount));
// Return id
return SourceCount;
}
/// getSourceFiles - Return a vector of files. Vector index + 1 equals id.
///
std::vector<std::string> MachineDebugInfo::getSourceFiles() const {
std::vector<std::string> Sources(SourceCount);
/// DebugInfo - Keep track of debug information for the function.
///
// FIXME - making it global until we can find a proper place to hang it from.
MachineDebugInfo *DebugInfo;
// FIXME - temporary hack until we can find a place to hand debug info from.
ModulePass *createDebugInfoPass() {
if (!DebugInfo) DebugInfo = new MachineDebugInfo();
return (ModulePass *)DebugInfo;
}
/// getDebugInfo - Returns the DebugInfo.
MachineDebugInfo &getMachineDebugInfo() {
assert(DebugInfo && "DebugInfo pass not created");
return *DebugInfo;
for (std::map<std::string, unsigned>::const_iterator SMI = SourceMap.begin(),
E = SourceMap.end();
SMI != E; SMI++) {
unsigned Index = SMI->second - 1;
const std::string &Path = SMI->first;
Sources[Index] = Path;
}
/// doInitialization - Initialize the debug state for a new module.
///
bool MachineDebugInfo::doInitialization() {
return true;
}
/// doFinalization - Tear down the debug state after completion of a module.
///
bool MachineDebugInfo::doFinalization() {
return true;
}
/// RecordSource - Register a source file with debug info. Returns an id.
///
unsigned MachineDebugInfo::RecordSource(std::string fname,
std::string dirname) {
// Compose a key
std::string path = dirname + "/" + fname;
// Check if the source file is already recorded
StrIntMapIter SMI = SourceMap.find(path);
// If already there return existing id
if (SMI != SourceMap.end()) return SMI->second;
// Bump up the count
++SourceCount;
// Record the count
SourceMap[path] = SourceCount;
// Return id
return SourceCount;
}
/// getSourceFiles - Return a vector of files. Vector index + 1 equals id.
///
std::vector<std::string> MachineDebugInfo::getSourceFiles() {
std::vector<std::string> Sources(SourceCount);
for (StrIntMapIter SMI = SourceMap.begin(), E = SourceMap.end(); SMI != E;
SMI++) {
unsigned Index = SMI->second - 1;
std::string Path = SMI->first;
Sources[Index] = Path;
}
return Sources;
}
};
return Sources;
}