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| author | Devang Patel <dpatel@apple.com> | 2010-02-18 20:53:16 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-02-18 20:53:16 +0000 |
| commit | 06fdaccc89d9abdc7e03797b25173791a2f5692f (patch) | |
| tree | 15113442c68dcae0c3957b9e1755bfbad7769f31 /lib/VMCore/LLVMContextImpl.h | |
| parent | 16c1e79cb2b0b203aa76da4c90c16d9fd096762f (diff) | |
| download | llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.tar.gz llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.tar.bz2 llvm-06fdaccc89d9abdc7e03797b25173791a2f5692f.tar.xz | |
Destroy MDNodes gracefully while deleting llvm context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96609 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/LLVMContextImpl.h')
| -rw-r--r-- | lib/VMCore/LLVMContextImpl.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/VMCore/LLVMContextImpl.h b/lib/VMCore/LLVMContextImpl.h index 62491d838f..85bbe4ac9b 100644 --- a/lib/VMCore/LLVMContextImpl.h +++ b/lib/VMCore/LLVMContextImpl.h @@ -229,13 +229,23 @@ public: if (I->second->use_empty()) delete I->second; } - MDNodeSet.clear(); AlwaysOpaqueTy->dropRef(); for (OpaqueTypesTy::iterator I = OpaqueTypes.begin(), E = OpaqueTypes.end(); I != E; ++I) { (*I)->AbstractTypeUsers.clear(); delete *I; } + // Destroy MDNode operands first. + for (FoldingSetIterator<MDNode> I = MDNodeSet.begin(), E = MDNodeSet.end(); + I != E;) { + MDNode *N = &(*I); + ++I; + N->replaceAllOperandsWithNull(); + } + while (!MDNodeSet.empty()) { + MDNode *N = &(*MDNodeSet.begin()); + N->destroy(); + } } }; |