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Add extra code for debugging linker problems

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llvm-svn: 1091
This commit is contained in:
Chris Lattner 2001-11-03 03:27:29 +00:00
parent dec971b881
commit b995f1c44f
1 changed files with 19 additions and 2 deletions
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21
lib/Transforms/Utils/Linker.cpp
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@ -27,6 +27,15 @@ static inline bool Error(string *E, string Message) {
#include "llvm/Assembly/Writer.h" // TODO: REMOVE
static void PrintMap(const map<const Value*, Value*> &M) {
for (map<const Value*, Value*>::const_iterator I = M.begin(), E = M.end();
I != E; ++I) {
cerr << " Fr: " << (void*)I->first << " " << I->first
<< " To: " << (void*)I->second << " " << I->second << endl;
}
}
// RemapOperand - Use LocalMap and GlobalMap to convert references from one
// module to another. This is somewhat sophisticated in that it can
// automatically handle constant references correctly as well...
@ -75,8 +84,16 @@ static Value *RemapOperand(const Value *In, map<const Value*, Value*> &LocalMap,
LocalMap.insert(make_pair(In, CPV));
return Result;
}
cerr << "Couldn't remap value: " << In << endl;
cerr << "XXX LocalMap: \n";
PrintMap(LocalMap);
if (GlobalMap) {
cerr << "XXX GlobalMap: \n";
PrintMap(*GlobalMap);
}
cerr << "Couldn't remap value: " << (void*)In << " " << In << endl;
assert(0 && "Couldn't remap value!");
return 0;
}