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With debug info, there are nameless constant global values. do not crash when we hit one

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48749 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2008-03-24 22:16:14 +00:00
parent b96af47381
commit df4613ced2
1 changed files with 3 additions and 2 deletions
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5
tools/bugpoint/CrashDebugger.cpp
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@ -125,13 +125,14 @@ bool
ReduceCrashingGlobalVariables::TestGlobalVariables(
std::vector<GlobalVariable*>& GVs) {
// Clone the program to try hacking it apart...
Module *M = CloneModule(BD.getProgram());
DenseMap<const Value*, Value*> ValueMap;
Module *M = CloneModule(BD.getProgram(), ValueMap);
// Convert list to set for fast lookup...
std::set<GlobalVariable*> GVSet;
for (unsigned i = 0, e = GVs.size(); i != e; ++i) {
GlobalVariable* CMGV = M->getNamedGlobal(GVs[i]->getName());
GlobalVariable* CMGV = cast<GlobalVariable>(ValueMap[GVs[i]]);
assert(CMGV && "Global Variable not in module?!");
GVSet.insert(CMGV);
}