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ce2b45bd7d
llvm/lib/Transforms/IPO
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Peter Collingbourne ce2b45bd7d IR: Do not consider available_externally linkage to be linker-weak. 
From the linker's perspective, an available_externally global is equivalent
to an external declaration (per isDeclarationForLinker()), so it is incorrect
to consider it to be a weak definition.

Also clean up some logic in the dead argument elimination pass and clarify
its comments to better explain how its behavior depends on linkage,
introduce GlobalValue::isStrongDefinitionForLinker() and start using
it throughout the optimizers and backend.

Differential Revision: http://reviews.llvm.org/D10941

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241413 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-05 20:52:35 +00:00
..
ArgumentPromotion.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
BarrierNoopPass.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
CMakeLists.txt Revert commit r239480 as it causes https://code.google.com/p/chromium/issues/detail?id=499508#c3. 2015-06-12 03:12:00 +00:00
ConstantMerge.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
DeadArgumentElimination.cpp IR: Do not consider available_externally linkage to be linker-weak. 2015-07-05 20:52:35 +00:00
ExtractGV.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
FunctionAttrs.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GlobalDCE.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GlobalOpt.cpp Use foreach loop over constant operands. NFC. 2015-06-25 20:51:38 +00:00
InlineAlways.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Inliner.cpp Remove whitespace from start of line, NFC. 2015-07-02 14:25:09 +00:00
InlineSimple.cpp [PM] Split the AssumptionTracker immutable pass into two separate APIs: 2015-01-04 12:03:27 +00:00
Internalize.cpp Use range based for loops to avoid needing to re-mention SmallPtrSet size. 2014-08-24 23:23:06 +00:00
IPConstantPropagation.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
IPO.cpp Introduce bitset metadata format and bitset lowering pass. 2015-02-20 20:30:47 +00:00
LLVMBuild.txt Update libdeps since TLI was moved from Target to Analysis in r226078. 2015-01-15 05:21:00 +00:00
LoopExtractor.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LowerBitSets.cpp LowerBitSets: Ignore bitset entries that do not directly refer to a global. 2015-06-27 00:17:51 +00:00
Makefile make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +00:00
MergeFunctions.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
PartialInlining.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
PassManagerBuilder.cpp Revert commit r239480 as it causes https://code.google.com/p/chromium/issues/detail?id=499508#c3. 2015-06-12 03:12:00 +00:00
PruneEH.cpp [PruneEH] A naked, noinline function can return via InlineAsm 2015-06-27 07:52:53 +00:00
StripDeadPrototypes.cpp [Modules] Fix potential ODR violations by sinking the DEBUG_TYPE 2014-04-22 02:55:47 +00:00
StripSymbols.cpp Use foreach loop over constant operands. NFC. 2015-06-25 20:51:38 +00:00