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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
| commit | cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch) | |
| tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /lib/Transforms/IPO/GlobalDCE.cpp | |
| parent | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff) | |
| download | FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz | |
Update llvm to r84119.
Diffstat (limited to 'lib/Transforms/IPO/GlobalDCE.cpp')
| -rw-r--r-- | lib/Transforms/IPO/GlobalDCE.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 9c652b9..09f9e7c 100644 --- a/lib/Transforms/IPO/GlobalDCE.cpp +++ b/lib/Transforms/IPO/GlobalDCE.cpp @@ -58,6 +58,7 @@ ModulePass *llvm::createGlobalDCEPass() { return new GlobalDCE(); } bool GlobalDCE::runOnModule(Module &M) { bool Changed = false; + // Loop over the module, adding globals which are obviously necessary. for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) { Changed |= RemoveUnusedGlobalValue(*I); @@ -147,6 +148,9 @@ bool GlobalDCE::runOnModule(Module &M) { // Make sure that all memory is released AliveGlobals.clear(); + + // Remove dead metadata. + Changed |= M.getContext().RemoveDeadMetadata(); return Changed; } |
