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22ff831572
llvm-mirror/utils
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Jakob Stoklund Olesen 22ff831572 Introduce TargetRegisterInfo::getOverlaps(Reg), returning a list of all 
registers that alias Reg, including itself. This is almost the same as the
existing getAliasSet() method, except for the inclusion of Reg.

The name matches the reflexive TRI::regsOverlap(x, y) relation.

It is very common to do stuff to a register and all its aliases:

  stuff(Reg)
  for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias)
    stuff(*Alias);

That can now be written as the simpler:

  for (const unsigned *Alias = TRI->getOverlaps(Reg); *Alias; ++Alias)
    stuff(*Alias);

This change requires a bit more constant space for the alias lists because Reg
is included and because the empty alias list cannot be shared any longer.

If the getAliasSet method is eventually removed, this space can be reclaimed by
sharing overlap lists. For instance, %rax and %eax have identical overlap sets.

llvm-svn: 121800
2010-12-14 23:03:42 +00:00
..
bugpoint
buildit Do not install libBugpointPasses.dylib for Apple builds. Radar 8585383. 2010-10-22 23:04:17 +00:00
count Fix extra fread after EOF, non-wires-crossed version. 2010-06-01 14:09:29 +00:00
crosstool
emacs Using regexp-opt for keyword regex declarations makes the word lists more 2010-09-19 03:44:22 +00:00
FileCheck Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with error_code &ec. And fix clients. 2010-12-09 17:36:48 +00:00
FileUpdate Missed FileUpdate because CMake doesn't build it yet :(. 2010-12-09 17:48:55 +00:00
fpcmp Merge System into Support. 2010-11-29 18:16:10 +00:00
git Add simple script for finding most-recent-rev-before-N in a git-svn repo; useful 2010-02-25 18:07:07 +00:00
jedit
kate syntax-highlighting: Fix module asm keyword. 2010-10-09 15:44:36 +00:00
KillTheDoctor KillTheDoctor: Cleanup error_code usage. 2010-12-06 04:28:01 +00:00
lint
lit utils/lit/lit/TestFormats.py: [PR8438] unittests: Seek *Tests (not BUILD_MODE/*Tests) under whole unittests/ if BUILD_MODE == '.' 2010-12-07 07:41:32 +00:00
llvm-lit CMake: Add llvm-lit to CMake build. 2010-09-13 17:52:38 +00:00
Misc
not Merge System into Support. 2010-11-29 18:16:10 +00:00
PerfectShuffle Teach PerfectShuffle to not generate files with embedded tab characters. 2010-10-14 00:12:49 +00:00
release Release-Asserts no longer exists. 2010-09-15 12:30:35 +00:00
TableGen Introduce TargetRegisterInfo::getOverlaps(Reg), returning a list of all 2010-12-14 23:03:42 +00:00
unittest Merge System into Support. 2010-11-29 18:16:10 +00:00
valgrind buildbot/valgrind: Ignore leaks in /usr/bin/as. 2010-08-25 03:40:20 +00:00
vim Enable clang autocompletion by default. 2010-10-26 23:24:54 +00:00
cgiplotNLT.pl
check-each-file Added support for C++ compilation. 2004-02-26 23:02:25 +00:00
codegen-diff
CollectDebugInfoUsingLLDB.py Add initial support to measure local variables. 2010-12-09 23:18:58 +00:00
CompareDebugInfo.py Add initial support to measure local variables. 2010-12-09 23:18:58 +00:00
countloc.sh
DSAclean.py
DSAextract.py
findmisopt Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
findoptdiff Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
findsym.pl
GenLibDeps.pl Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if 2010-10-11 05:44:40 +00:00
GetRepositoryPath utils: Add GetRepositoryPath script, patch by Jonathan Mulder! 2010-09-29 17:57:01 +00:00
GetSourceVersion GetSourceVersion: Strip off svninfo extra markers, which aren't really part of the version. 2010-09-29 19:30:17 +00:00
getsrcs.sh
importNLT.pl
llvm-native-gcc Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
llvm-native-gxx Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
llvm.grm Don't worry about union types. 2010-08-29 14:50:21 +00:00
llvmdo Remove CVS artifacts. 2010-08-04 16:11:24 +00:00
llvmgrep
Makefile remove reference to dead script. 2010-10-02 18:49:27 +00:00
makellvm
NewNightlyTest.pl Rename "Release" builds as "Release+Asserts"; rename "Release-Asserts" 2010-07-07 07:48:00 +00:00
NightlyTest.gnuplot
NightlyTestTemplate.html
NLT.schema
parseNLT.pl
plotNLT.pl
profile.pl Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
test_debuginfo.pl Fix typo in temp. script file name. 2010-09-13 21:23:17 +00:00
UpdateCMakeLists.pl Recognize 'add_executable' when analyzing CMake files. 2010-01-29 01:10:55 +00:00
webNLT.pl