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Fix iterator invalidation problem

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llvm-svn: 9272
This commit is contained in:
Chris Lattner 2003-10-19 21:48:27 +00:00
parent 7a4e225f37
commit 84a991bc86
1 changed files with 2 additions and 3 deletions
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5
tools/bugpoint/CodeGeneratorBug.cpp
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@ -144,8 +144,8 @@ bool ReduceMisCodegenFunctions::TestFuncs(const std::vector<Function*> &Funcs,
ResolverArgs.push_back(GEP);
// Insert code at the beginning of the function
for (Value::use_iterator i=F->use_begin(), e=F->use_end(); i!=e; ++i) {
if (Instruction* Inst = dyn_cast<Instruction>(*i)) {
while (!F->use_empty())
if (Instruction *Inst = dyn_cast<Instruction>(F->use_back())) {
// call resolver(GetElementPtr...)
CallInst *resolve = new CallInst(resolverFunc, ResolverArgs,
"resolver", Inst);
@ -161,7 +161,6 @@ bool ReduceMisCodegenFunctions::TestFuncs(const std::vector<Function*> &Funcs,
std::cerr << "Non-instruction is using an external function!\n";
abort();
}
}
}
}
}