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Evgeny Astigeevich 864fed9d22 [AArch64][CodeGen] NFC refactor AArch64InstrInfo::optimizeCompareInstr to prepare it for fixing a bug in it 
AArch64InstrInfo::optimizeCompareInstr has a bug which causes generation of incorrect code (PR#27158).
The patch refactors the function to simplify reviewing the fix of the bug.

1. Function name ‘modifiesConditionCode’ is changed to ‘areCFlagsAccessedBetweenInstrs’
   to reflect that the function can check modifying accesses, reading accesses or both.
2. Function ‘AArch64InstrInfo::optimizeCompareInstr’
   - Documented the function
   - Cmp_NZCV is DeadNZCVIdx to reflect that it is an operand index of dead NZCV
   - The code for the case of substituting CmpInstr is put into separate
     functions the main of them is ‘substituteCmpInstr’.

Differential Revision: http://reviews.llvm.org/D18609



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265531 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-06 11:39:00 +00:00
bindings [OCaml] Use LLVMCreateMessage with constant strings when calling llvm_raise 2016-04-01 07:56:17 +00:00
cmake [CMake] Provide the ability to skip stripping when generating dSYMs 2016-03-31 20:03:19 +00:00
docs AMDGPU: Document address space mapping 2016-04-06 01:29:19 +00:00
examples [Kaleidoscope] Rename Error -> LogError in Chapters 2-5. 2016-03-25 17:41:26 +00:00
include IRMover: Steal arguments when moving functions, NFC 2016-04-06 06:38:15 +00:00
lib [AArch64][CodeGen] NFC refactor AArch64InstrInfo::optimizeCompareInstr to prepare it for fixing a bug in it 2016-04-06 11:39:00 +00:00
projects
resources
test [ppc64] Temporary disable sibling call optimization on ppc64 due to breaking test case 2016-04-06 10:48:36 +00:00
tools Revert "Fix Clang-tidy modernize-deprecated-headers warnings in remaining files; other minor fixes." 2016-04-05 20:45:04 +00:00
unittests IRMover: Steal arguments when moving functions, NFC 2016-04-06 06:38:15 +00:00
utils fixed to discard earlier advertising 2016-04-05 19:50:21 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore
CMakeLists.txt dos2unix CMakeLists.txt 2016-03-28 18:19:32 +00:00
CODE_OWNERS.TXT Update owners to reflect recent changes 2016-04-01 20:40:49 +00:00
configure
CREDITS.TXT
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:41:06 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt

README.txt 

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.