Duncan P. N. Exon Smith f5d17528ee Module: Don't rename in getOrInsertFunction() ... During LTO, user-supplied definitions of C library functions often exist. -instcombine uses Module::getOrInsertFunction() to get a handle on library functions (e.g., @puts, when optimizing @printf). Previously, Module::getOrInsertFunction() would rename any matching functions with local linkage, and create a new declaration. In LTO, this is the opposite of desired behaviour, as it skips by the user-supplied version of the library function and creates a new undefined reference which the linker often cannot resolve. After some discussing with Rafael on the list, it looks like it's undesired behaviour. If a consumer actually *needs* this behaviour, we should add new API with a more explicit name. I added two testcases: one specifically for the -instcombine behaviour and one for the LTO flow. <rdar://problem/16165191> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203513 91177308-0d34-0410-b5e6-96231b3b80d8		2014-03-10 23:42:28 +00:00
..
AsmWriter.cpp	IR: Change inalloca's grammar a bit	2014-03-09 06:41:58 +00:00
AsmWriter.h	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
AttributeImpl.h	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
Attributes.cpp
AutoUpgrade.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
BasicBlock.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
CMakeLists.txt
ConstantFold.cpp
ConstantFold.h
ConstantRange.cpp
Constants.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
ConstantsContext.h	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
Core.cpp	llvm-c: expose unnamedaddr field of globals	2014-03-10 19:24:35 +00:00
DataLayout.cpp	[C++11] Modernize the IR library a bit.	2014-03-10 15:03:06 +00:00
DebugInfo.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
DebugLoc.cpp	[Layering] Move DebugInfo.h into the IR library where its implementation	2014-03-06 00:46:21 +00:00
DiagnosticInfo.cpp
DiagnosticPrinter.cpp
DIBuilder.cpp	[Layering] Move DebugInfo.h into the IR library where its implementation	2014-03-06 00:46:21 +00:00
Dominators.cpp
Function.cpp	For functions with ARM target specific calling convention, when simplify-libcall	2014-03-10 20:49:45 +00:00
GCOV.cpp	Replace OwningPtr<T> with std::unique_ptr<T>.	2014-03-06 05:51:42 +00:00
Globals.cpp
GVMaterializer.cpp	[Layering] Move GVMaterializer.h into the IR library where its	2014-03-06 03:50:29 +00:00
InlineAsm.cpp
Instruction.cpp	[C++11] Modernize the IR library a bit.	2014-03-10 15:03:06 +00:00
Instructions.cpp	[C++11] Modernize the IR library a bit.	2014-03-10 15:03:06 +00:00
IntrinsicInst.cpp
IRBuilder.cpp
IRPrintingPasses.cpp	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
LeakDetector.cpp
LeaksContext.h
LegacyPassManager.cpp	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
LLVMBuild.txt
LLVMContext.cpp
LLVMContextImpl.cpp
LLVMContextImpl.h	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
Makefile
Mangler.cpp
Metadata.cpp	[C++11] Modernize the IR library a bit.	2014-03-10 15:03:06 +00:00
Module.cpp	Module: Don't rename in getOrInsertFunction()	2014-03-10 23:42:28 +00:00
Pass.cpp	[C++11] Add 'override' keyword to IR library.	2014-03-05 06:35:38 +00:00
PassManager.cpp	[PM] While I'm here, fix a few other clang-format issues. Pulls some	2014-03-10 02:12:14 +00:00
PassRegistry.cpp
SymbolTableListTraitsImpl.h
Type.cpp
TypeFinder.cpp
Use.cpp
User.cpp
Value.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
ValueSymbolTable.cpp
ValueTypes.cpp
Verifier.cpp	IR: Slightly more verbose error in Verifier	2014-03-10 21:22:44 +00:00