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IR: Delete GenericDwarfNode during teardown 

Fix a leak in `LLVMContextImpl` teardown that the leak sanitizer tracked
down [1].  I've just switched to automatic dispatch here (since I'll
inevitably forget again with the next class).

[1]: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/811/steps/check-llvm%20asan/logs/stdio

llvm-svn: 226536
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-20 01:18:32 +00:00
parent db6bc8bfdf
commit 408f5a25fa
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/IR/LLVMContextImpl.cpp
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@ -78,10 +78,10 @@ LLVMContextImpl::~LLVMContextImpl() {
// unnecessary RAUW when nodes are still unresolved. // unnecessary RAUW when nodes are still unresolved.
for (auto *I : DistinctMDNodes) for (auto *I : DistinctMDNodes)
I->dropAllReferences(); I->dropAllReferences();
for (auto *I : MDTuples) #define HANDLE_MDNODE_LEAF(CLASS) \
I->dropAllReferences(); for (auto *I : CLASS##s) \
for (auto *I : MDLocations)
I->dropAllReferences(); I->dropAllReferences();
#include "llvm/IR/Metadata.def"
// Also drop references that come from the Value bridges. // Also drop references that come from the Value bridges.
for (auto &Pair : ValuesAsMetadata) for (auto &Pair : ValuesAsMetadata)
@ -92,10 +92,10 @@ LLVMContextImpl::~LLVMContextImpl() {
// Destroy MDNodes. // Destroy MDNodes.
for (MDNode *I : DistinctMDNodes) for (MDNode *I : DistinctMDNodes)
I->deleteAsSubclass(); I->deleteAsSubclass();
for (MDTuple *I : MDTuples) #define HANDLE_MDNODE_LEAF(CLASS) \
delete I; for (CLASS *I : CLASS##s) \
for (MDLocation *I : MDLocations)
delete I; delete I;
#include "llvm/IR/Metadata.def"
// Free the constants. This is important to do here to ensure that they are // Free the constants. This is important to do here to ensure that they are
// freed before the LeakDetector is torn down. // freed before the LeakDetector is torn down.