Chandler Carruth 36b699f2b1 [C++11] Add range based accessors for the Use-Def chain of a Value. ... This requires a number of steps. 1) Move value_use_iterator into the Value class as an implementation detail 2) Change it to actually be a *Use* iterator rather than a *User* iterator. 3) Add an adaptor which is a User iterator that always looks through the Use to the User. 4) Wrap these in Value::use_iterator and Value::user_iterator typedefs. 5) Add the range adaptors as Value::uses() and Value::users(). 6) Update *all* of the callers to correctly distinguish between whether they wanted a use_iterator (and to explicitly dig out the User when needed), or a user_iterator which makes the Use itself totally opaque. Because #6 requires churning essentially everything that walked the Use-Def chains, I went ahead and added all of the range adaptors and switched them to range-based loops where appropriate. Also because the renaming requires at least churning every line of code, it didn't make any sense to split these up into multiple commits -- all of which would touch all of the same lies of code. The result is still not quite optimal. The Value::use_iterator is a nice regular iterator, but Value::user_iterator is an iterator over User*s rather than over the User objects themselves. As a consequence, it fits a bit awkwardly into the range-based world and it has the weird extra-dereferencing 'operator->' that so many of our iterators have. I think this could be fixed by providing something which transforms a range of T&s into a range of T*s, but that *can* be separated into another patch, and it isn't yet 100% clear whether this is the right move. However, this change gets us most of the benefit and cleans up a substantial amount of code around Use and User. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203364 91177308-0d34-0410-b5e6-96231b3b80d8		2014-03-09 03:16:01 +00:00
..
InstPrinter	Re-sort all of the includes with ./utils/sort_includes.py so that	2014-01-07 11:48:04 +00:00
MCTargetDesc	Re-sort all of the includes with ./utils/sort_includes.py so that	2014-01-07 11:48:04 +00:00
TargetInfo	Prune redundant dependencies in LLVMBuild.txt.	2013-12-11 00:30:57 +00:00
cl_common_defines.h
CMakeLists.txt
LLVMBuild.txt	Prune redundant dependencies in LLVMBuild.txt.	2013-12-11 00:30:57 +00:00
Makefile
ManagedStringPool.h
NVPTX.h
NVPTX.td
NVPTXAllocaHoisting.cpp
NVPTXAllocaHoisting.h	Make DataLayout a plain object, not a pass.	2014-02-25 17:30:31 +00:00
NVPTXAsmPrinter.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
NVPTXAsmPrinter.h	Remove unused method declaration	2014-03-07 22:19:10 +00:00
NVPTXFrameLowering.cpp
NVPTXFrameLowering.h
NVPTXGenericToNVVM.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
NVPTXInstrFormats.td
NVPTXInstrInfo.cpp
NVPTXInstrInfo.h
NVPTXInstrInfo.td	[NVPTX] Add missing patterns for div.approx with immediate denominator	2014-01-21 14:40:05 +00:00
NVPTXIntrinsics.td
NVPTXISelDAGToDAG.cpp
NVPTXISelDAGToDAG.h
NVPTXISelLowering.cpp	[Modules] Move CallSite into the IR library where it belogs. It is	2014-03-04 11:01:28 +00:00
NVPTXISelLowering.h
NVPTXLowerAggrCopies.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00
NVPTXLowerAggrCopies.h	Make DataLayout a plain object, not a pass.	2014-02-25 17:30:31 +00:00
NVPTXMCExpr.cpp
NVPTXMCExpr.h
NVPTXPrologEpilogPass.cpp	Re-sort all of the includes with ./utils/sort_includes.py so that	2014-01-07 11:48:04 +00:00
NVPTXRegisterInfo.cpp
NVPTXRegisterInfo.h
NVPTXRegisterInfo.td
NVPTXSection.h
NVPTXSplitBBatBar.cpp	[Modules] Move InstIterator out of the Support library, where it had no	2014-03-04 10:30:26 +00:00
NVPTXSplitBBatBar.h	[stackprotector] Use analysis from the StackProtector pass for stack layout in PEI a nd LocalStackSlot passes.	2013-12-19 03:17:11 +00:00
NVPTXSubtarget.cpp
NVPTXSubtarget.h	Turn NVPTXSubtarget::getDataLayout into a static function.	2013-12-14 06:36:30 +00:00
NVPTXTargetMachine.cpp	Switch all uses of LLVM_OVERRIDE to just use 'override' directly.	2014-03-02 09:09:27 +00:00
NVPTXTargetMachine.h
NVPTXTargetObjectFile.h	Switch all uses of LLVM_OVERRIDE to just use 'override' directly.	2014-03-02 09:09:27 +00:00
NVPTXutil.cpp
NVPTXutil.h
NVPTXUtilities.cpp	[Modules] Move InstIterator out of the Support library, where it had no	2014-03-04 10:30:26 +00:00
NVPTXUtilities.h
NVPTXVector.td
NVVMReflect.cpp	[C++11] Add range based accessors for the Use-Def chain of a Value.	2014-03-09 03:16:01 +00:00