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Clarify that llvm.used can contain aliases.

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Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-22 14:58:02 +00:00
parent 2c55362848
commit cde25b435a
14 changed files with 75 additions and 28 deletions
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3
lib/CodeGen/MachineModuleInfo.cpp
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@ -326,8 +326,7 @@ void MachineModuleInfo::AnalyzeModule(const Module &M) {
if (!GV || !GV->hasInitializer()) return;
// Should be an array of 'i8*'.
const ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
if (InitList == 0) return;
const ConstantArray *InitList = cast<ConstantArray>(GV->getInitializer());
for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
if (const Function *F =