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003346177c
llvm-6502/lib/IR
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Duncan P. N. Exon Smith 003346177c IR: Update references to temporaries before deleting 
During `MDNode::deleteTemporary()`, call `replaceAllUsesWith(nullptr)`
to update all tracking references to `nullptr`.

This fixes PR22280, where inverted destruction order between tracking
references and the temporaries themselves caused a use-after-free in
`LLParser`.

An alternative fix would be to add an assertion that there are no users,
and continue to fix inverted destruction order in clients (like
`LLParser`), but instead I decided to make getting-teardown-right easy.
(If someone disagrees let me know.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226866 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-22 21:36:45 +00:00
..
AsmWriter.cpp IR: Introduce GenericDwarfNode 2015-01-20 00:01:43 +00:00
AsmWriter.h IR: Implement uselistorder assembly directives 2014-08-19 21:30:15 +00:00
AttributeImpl.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Attributes.cpp Revert accidentally committed r217107 2014-09-03 23:38:05 +00:00
AutoUpgrade.cpp [x86] Change AVX512 intrinsics to take a 8-bit immediate for the comparision kind instead of a 32-bit immediate. This better aligns with the emitted instruction. It also matches SSE and AVX1 equivalents. Also add auto upgrade support. 2015-01-19 06:07:27 +00:00
BasicBlock.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
CMakeLists.txt Move ownership of GCStrategy objects to LLVMContext 2015-01-16 20:07:33 +00:00
Comdat.cpp IR: Add COMDATs to the IR 2014-06-27 18:19:56 +00:00
ConstantFold.cpp ConstantFold: Shifting undef by zero results in undef 2014-12-18 23:54:43 +00:00
ConstantFold.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
ConstantRange.cpp [Modules] Move the ConstantRange class into the IR library. This is 2014-03-04 12:24:34 +00:00
Constants.cpp Reapply "LLVMContext: Store APInt/APFloat directly into the ConstantInt/FP DenseMaps." 2014-12-06 13:12:56 +00:00
ConstantsContext.h IR: De-duplicate code for replacing operands in place 2014-08-19 19:13:30 +00:00
Core.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
DataLayout.cpp DataLayout: Provide nicer diagnostics for malformed strings 2014-12-10 02:36:41 +00:00
DebugInfo.cpp Rewrite DIExpression::printInternal() to use the iterator interface. 2015-01-22 16:55:22 +00:00
DebugLoc.cpp IR: Cleanup dead code, NFC 2015-01-16 17:31:29 +00:00
DiagnosticInfo.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
DiagnosticPrinter.cpp Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
DIBuilder.cpp Reapply "IR: Simplify DIBuilder's HeaderBuilder API, NFC" 2015-01-20 05:02:42 +00:00
Dominators.cpp [PM] Port domtree to the new pass manager (at last). 2015-01-14 10:19:28 +00:00
Function.cpp Move ownership of GCStrategy objects to LLVMContext 2015-01-16 20:07:33 +00:00
GCOV.cpp GCOV: Make sure that function idents in the .gcda and .gcno match 2014-11-06 06:55:02 +00:00
GCStrategy.cpp clang-format all the GC related files (NFC) 2015-01-16 23:16:12 +00:00
Globals.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
GVMaterializer.cpp [Layering] Move GVMaterializer.h into the IR library where its 2014-03-06 03:50:29 +00:00
InlineAsm.cpp [inline asm] Add a check in InlineAsm::ConstraintInfo::Parse to make sure '{' 2014-09-05 22:30:32 +00:00
Instruction.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
Instructions.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
IntrinsicInst.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
IRBuilder.cpp Intrinsics: introduce llvm_any_ty aka ValueType Any 2015-01-22 20:14:38 +00:00
IRPrintingPasses.cpp [PM] Switch the new pass manager to use a reference-based API for IR 2015-01-05 02:47:05 +00:00
LeaksContext.h IR: Store MDNodes in a separate LeakDetector container 2014-12-11 21:39:39 +00:00
LegacyPassManager.cpp Document that PassManager::add() may delete the pass right away. 2014-12-12 01:27:01 +00:00
LLVMBuild.txt
LLVMContext.cpp Fix LLVMContext to match what MDKind names that the LL parser permits. Fixes PR21799! 2014-12-11 02:10:28 +00:00
LLVMContextImpl.cpp [llvm link] Destroy ConstantArrays in LLVMContext if they are not used. 2015-01-20 19:24:59 +00:00
LLVMContextImpl.h [llvm link] Destroy ConstantArrays in LLVMContext if they are not used. 2015-01-20 19:24:59 +00:00
Makefile
Mangler.cpp Silencing an "enumeral and non-enumeral type in conditional expression" warning; NFC. 2014-10-28 13:12:13 +00:00
MDBuilder.cpp IR: Return unique_ptr from MDNode::getTemporary() 2015-01-19 21:30:18 +00:00
Metadata.cpp IR: Update references to temporaries before deleting 2015-01-22 21:36:45 +00:00
MetadataTracking.cpp IR: Store RAUW support and Context in the same pointer, NFC 2015-01-19 19:02:06 +00:00
Module.cpp The leak detector is dead, long live asan and valgrind. 2014-12-22 13:00:36 +00:00
module.modulemap [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00
Pass.cpp Refactoring cl::parser construction and initialization. 2015-01-22 21:01:12 +00:00
PassManager.cpp [PM] Push the debug option for the new pass manager into the opt tool 2015-01-13 22:42:38 +00:00
PassRegistry.cpp [PM] Remove an unused and rather expensive mapping from an analysis 2014-10-06 00:30:59 +00:00
Statepoint.cpp Intrinsics: introduce llvm_any_ty aka ValueType Any 2015-01-22 20:14:38 +00:00
SymbolTableListTraitsImpl.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Type.cpp Turn some DenseMaps that are only used for set operations into DenseSets. 2014-12-06 19:22:54 +00:00
TypeFinder.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
Use.cpp Fix a URL (NFC) 2014-08-21 21:09:24 +00:00
UseListOrder.cpp verify-uselistorder: Force -preserve-bc-use-list-order 2014-08-19 21:08:27 +00:00
User.cpp IR: Cleanup comments for Value, User, and MDNode 2014-10-15 20:28:31 +00:00
Value.cpp Cleaup ValueHandle to no longer keep a PointerIntPair for the Value*. 2015-01-09 00:48:47 +00:00
ValueSymbolTable.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00
ValueTypes.cpp
Verifier.cpp Intrinsics: introduce llvm_any_ty aka ValueType Any 2015-01-22 20:14:38 +00:00