Chandler Carruth 6f78fbbc63 Switch the empty and tombstone key enumerators to not have explicit ... values -- that's not required to fix the bug that was cropping up, and the values selected made the enumeration's underlying type signed and introduced some warnings. This fixes the -Werror build. The underlying issue here was that the DenseMapInfo was casting values completely outside the range of the underlying storage of the enumeration to the enumeration's type. GCC went and "optimized" that into infloops and other misbehavior. By providing designated special values for these keys in the dense map, we ensure they are indeed representable and that they won't be used for anything else. It might be better to reuse None for the empty key and have the tombstone share the value of the sentinel enumerator, but honestly having 2 extra enumerators seemed not to matter and this seems a bit simpler. I'll let Bill shuffle this around (or ask me to shuffle it around) if he prefers it to look a different way. I also made the switch a bit more clear (and produce a better assert) that the enumerators are *never* going to show up and are errors if they do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171614 91177308-0d34-0410-b5e6-96231b3b80d8		2013-01-05 08:47:26 +00:00
..
AsmWriter.cpp
AttributeImpl.h	Add a method to create an AttributeSet from an AttrBuilder.	2013-01-05 01:36:54 +00:00
Attributes.cpp	Switch the empty and tombstone key enumerators to not have explicit	2013-01-05 08:47:26 +00:00
AutoUpgrade.cpp
BasicBlock.cpp
CMakeLists.txt
ConstantFold.cpp
ConstantFold.h
Constants.cpp
ConstantsContext.h
Core.cpp
DataLayout.cpp
DebugInfo.cpp
DebugLoc.cpp
DIBuilder.cpp
Dominators.cpp
Function.cpp	Actually update the CMake and Makefile builds correctly, and update the	2013-01-02 12:09:16 +00:00
GCOV.cpp
Globals.cpp
GVMaterializer.cpp
InlineAsm.cpp
Instruction.cpp
Instructions.cpp
IntrinsicInst.cpp
IRBuilder.cpp
LeakDetector.cpp
LeaksContext.h
LLVMBuild.txt
LLVMContext.cpp
LLVMContextImpl.cpp
LLVMContextImpl.h
Makefile	Actually update the CMake and Makefile builds correctly, and update the	2013-01-02 12:09:16 +00:00
Metadata.cpp
Module.cpp
Pass.cpp
PassManager.cpp
PassRegistry.cpp
PrintModulePass.cpp
SymbolTableListTraitsImpl.h
TargetTransformInfo.cpp
Type.cpp
TypeFinder.cpp
Use.cpp
User.cpp
Value.cpp
ValueSymbolTable.cpp
ValueTypes.cpp
Verifier.cpp	Remove unused #include	2013-01-04 19:08:43 +00:00