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llvm-mirror/lib/Target/XCore
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JF Bastien f4f5b32f44 NFC: make AtomicOrdering an enum class 
Summary:
In the context of http://wg21.link/lwg2445 C++ uses the concept of
'stronger' ordering but doesn't define it properly. This should be fixed
in C++17 barring a small question that's still open.

The code currently plays fast and loose with the AtomicOrdering
enum. Using an enum class is one step towards tightening things. I later
also want to tighten related enums, such as clang's
AtomicOrderingKind (which should be shared with LLVM as a 'C++ ABI'
enum).

This change touches a few lines of code which can be improved later, I'd
like to keep it as NFC for now as it's already quite complex. I have
related changes for clang.

As a follow-up I'll add:
  bool operator<(AtomicOrdering, AtomicOrdering) = delete;
  bool operator>(AtomicOrdering, AtomicOrdering) = delete;
  bool operator<=(AtomicOrdering, AtomicOrdering) = delete;
  bool operator>=(AtomicOrdering, AtomicOrdering) = delete;
This is separate so that clang and LLVM changes don't need to be in sync.

Reviewers: jyknight, reames

Subscribers: jyknight, llvm-commits

Differential Revision: http://reviews.llvm.org/D18775

llvm-svn: 265602
2016-04-06 21:19:33 +00:00
..
Disassembler Remove autoconf support 2016-01-26 21:29:08 +00:00
InstPrinter Remove autoconf support 2016-01-26 21:29:08 +00:00
MCTargetDesc Remove autoconf support 2016-01-26 21:29:08 +00:00
TargetInfo Remove autoconf support 2016-01-26 21:29:08 +00:00
CMakeLists.txt
LLVMBuild.txt
README.txt
XCore.h
XCore.td
XCoreAsmPrinter.cpp GlobalValue: use getValueType() instead of getType()->getPointerElementType(). 2016-01-16 20:30:46 +00:00
XCoreCallingConv.td
XCoreFrameLowering.cpp Change eliminateCallFramePseudoInstr() to return an iterator 2016-03-31 18:33:38 +00:00
XCoreFrameLowering.h Change eliminateCallFramePseudoInstr() to return an iterator 2016-03-31 18:33:38 +00:00
XCoreFrameToArgsOffsetElim.cpp Add MachineFunctionProperty checks for AllVRegsAllocated for target passes 2016-04-04 17:09:25 +00:00
XCoreInstrFormats.td
XCoreInstrInfo.cpp CodeGen: TII: Take MachineInstr& in predicate API, NFC 2016-02-23 02:46:52 +00:00
XCoreInstrInfo.h
XCoreInstrInfo.td
XCoreISelDAGToDAG.cpp
XCoreISelLowering.cpp NFC: make AtomicOrdering an enum class 2016-04-06 21:19:33 +00:00
XCoreISelLowering.h Tweak some atomics functions in preparation for larger changes; NFC. 2016-03-16 22:12:04 +00:00
XCoreLowerThreadLocal.cpp Remove PreserveNames template parameter from IRBuilder 2016-03-13 21:05:13 +00:00
XCoreMachineFunctionInfo.cpp
XCoreMachineFunctionInfo.h
XCoreMCInstLower.cpp
XCoreMCInstLower.h
XCoreRegisterInfo.cpp
XCoreRegisterInfo.h
XCoreRegisterInfo.td
XCoreSelectionDAGInfo.cpp
XCoreSelectionDAGInfo.h Rename TargetSelectionDAGInfo into SelectionDAGTargetInfo and move it to CodeGen/ 2016-01-27 16:32:26 +00:00
XCoreSubtarget.cpp
XCoreSubtarget.h
XCoreTargetMachine.cpp
XCoreTargetMachine.h
XCoreTargetObjectFile.cpp Unbreak non-X86 targets from fallout caused by r261462 2016-02-21 01:40:04 +00:00
XCoreTargetObjectFile.h Unbreak non-X86 targets from fallout caused by r261462 2016-02-21 01:40:04 +00:00
XCoreTargetStreamer.h
XCoreTargetTransformInfo.h

README.txt 

To-do
-----

* Instruction encodings
* Tailcalls
* Investigate loop alignment
* Add builtins