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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-04-22 14:58:02 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-04-22 14:58:02 +0000 |
| commit | 74f2e46eeff9e5ad001259a74c56a1b4d71776e3 (patch) | |
| tree | 38def27a52541cec8867c80bb19097342a5d1911 /llvm/lib/Transforms/Scalar/GlobalMerge.cpp | |
| parent | da466db02ad02b818dbbeeb6349330ca7b4a9514 (diff) | |
| download | bcm5719-llvm-74f2e46eeff9e5ad001259a74c56a1b4d71776e3.tar.gz bcm5719-llvm-74f2e46eeff9e5ad001259a74c56a1b4d71776e3.zip | |
Clarify that llvm.used can contain aliases.
Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.
llvm-svn: 180019
Diffstat (limited to 'llvm/lib/Transforms/Scalar/GlobalMerge.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GlobalMerge.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/GlobalMerge.cpp b/llvm/lib/Transforms/Scalar/GlobalMerge.cpp index 5d02c68a7a4..4796eb2953a 100644 --- a/llvm/lib/Transforms/Scalar/GlobalMerge.cpp +++ b/llvm/lib/Transforms/Scalar/GlobalMerge.cpp @@ -200,9 +200,8 @@ void GlobalMerge::collectUsedGlobalVariables(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 GlobalVariable *G = dyn_cast<GlobalVariable>(InitList->getOperand(i)->stripPointerCasts())) |
