Duncan Sands 667d4b8de6 Introduce new linkage types linkonce_odr, weak_odr, common_odr ... and extern_weak_odr. These are the same as the non-odr versions, except that they indicate that the global will only be overridden by an *equivalent* global. In C, a function with weak linkage can be overridden by a function which behaves completely differently. This means that IP passes have to skip weak functions, since any deductions made from the function definition might be wrong, since the definition could be replaced by something completely different at link time. This is not allowed in C++, thanks to the ODR (One-Definition-Rule): if a function is replaced by another at link-time, then the new function must be the same as the original function. If a language knows that a function or other global can only be overridden by an equivalent global, it can give it the weak_odr linkage type, and the optimizers will understand that it is alright to make deductions based on the function body. The code generators on the other hand map weak and weak_odr linkage to the same thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66339 91177308-0d34-0410-b5e6-96231b3b80d8		2009-03-07 15:45:40 +00:00
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CMakeLists.txt
Makefile	Removed trailing whitespace from Makefiles.	2009-01-09 16:44:42 +00:00
Mips.h	Overhaul my earlier submission due to feedback. It's a large patch, but most of	2009-02-24 08:30:20 +00:00
Mips.td	Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files.	2008-11-24 07:34:46 +00:00
MipsAsmPrinter.cpp	Introduce new linkage types linkonce_odr, weak_odr, common_odr	2009-03-07 15:45:40 +00:00
MipsCallingConv.td
MipsDelaySlotFiller.cpp	Remove non-DebugLoc versions of BuildMI from IA64, Mips.	2009-02-13 02:34:39 +00:00
MipsInstrFormats.td
MipsInstrFPU.td
MipsInstrInfo.cpp	Factor out the code to add a MachineOperand to a MachineInstrBuilder.	2009-02-18 05:45:50 +00:00
MipsInstrInfo.h	Turns out AnalyzeBranch can modify the mbb being analyzed. This is a nasty	2009-02-09 07:14:22 +00:00
MipsInstrInfo.td	Rename isSimpleLoad to canFoldAsLoad, to better reflect its meaning.	2008-12-03 18:15:48 +00:00
MipsISelDAGToDAG.cpp	Remove non-DebugLoc forms of CopyToReg and CopyFromReg.	2009-02-04 23:02:30 +00:00
MipsISelLowering.cpp	Remove non-DebugLoc versions of BuildMI from IA64, Mips.	2009-02-13 02:34:39 +00:00
MipsISelLowering.h	Constify TargetInstrInfo::EmitInstrWithCustomInserter, allowing	2009-02-07 16:15:20 +00:00
MipsMachineFunction.h	Tidy up #includes, deleting a bunch of unnecessary #includes.	2009-01-05 17:59:02 +00:00
MipsRegisterInfo.cpp	Propagate debug loc info through prologue/epilogue.	2009-02-23 00:42:30 +00:00
MipsRegisterInfo.h
MipsRegisterInfo.td
MipsSchedule.td
MipsSubtarget.cpp
MipsSubtarget.h
MipsTargetAsmInfo.cpp	Introduce new linkage types linkonce_odr, weak_odr, common_odr	2009-03-07 15:45:40 +00:00
MipsTargetAsmInfo.h
MipsTargetMachine.cpp	Overhaul my earlier submission due to feedback. It's a large patch, but most of	2009-02-24 08:30:20 +00:00
MipsTargetMachine.h