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101130 Commits

Author SHA1 Message Date
Daniel Dunbar 5423b497ab More correct fix for CMake breakage I was seeing, my buildbots use 
LLVM_INCLUDE_TESTS:=OFF, which may no longer be necessary for all I know.

llvm-svn: 125985
 2011-02-18 22:55:32 +00:00
Devang Patel b7ae3ccb84 Do not lose debug info of an inlined function argument even if the argument is only used through GEPs. 
This time with a fix that avoids using invalidated DenseMap iterator.

llvm-svn: 125984
 2011-02-18 22:43:42 +00:00
Ted Kremenek dcc45f6ec1 Update text for where to file analyzer bugs. 
llvm-svn: 125983
 2011-02-18 22:42:04 +00:00
Fariborz Jahanian 0dcb2a0d99 Test case for // rdar://8850818 
llvm-svn: 125982
 2011-02-18 22:37:54 +00:00
Chris Lattner 7e5d8aa6f9 Now that -loop-idiom uses TargetLibraryInfo properly, it doesn't 
need to be pulled out of the pass manager when the user specifies 
-fno-builtin.  It can intelligently determine which libcalls to
optimize based on what is enabled in TargetLibraryInfo.  This 
allows -fno-builtin-foo to work someday.

llvm-svn: 125981
 2011-02-18 22:36:36 +00:00
Jakob Stoklund Olesen 4376d67b6f Use VirtRegMap's Virt2SplitMap to keep track of the original live range before splitting. 
All new virtual registers created for spilling or splitting point back to their original.

llvm-svn: 125980
 2011-02-18 22:35:20 +00:00
Chris Lattner fa222dfbed If -fno-builtin is passed, tell TargetLibraryInfo to 
turn off all builtin optimizations.

llvm-svn: 125979
 2011-02-18 22:34:47 +00:00
Chris Lattner 1341df93f7 add a way to disable all builtins, wire it up to opt's -disable-simplifylibcalls flag. 
llvm-svn: 125978
 2011-02-18 22:34:03 +00:00
Douglas Gregor af2a6ae429 Selector::getIdentifierInfoForSlot() can return NULL values, a fact 
that was ignored in a few places (most notably, code
completion). Introduce Selector::getNameForSlot() for the common case
where we only care about the name. Audit all uses of
getIdentifierInfoForSlot(), switching many over to getNameForSlot(),
fixing a few crashers.

Fixed <rdar://problem/8939352>, a code-completion crasher.

llvm-svn: 125977
 2011-02-18 22:29:55 +00:00
Daniel Dunbar 7ba92d716a Unbreak CMake build on MSVC9, chapuni please check. 
Without this I get:
--
-- Generating done
CMake Error: Unknown Target referenced : check.deps
CMake Error: Target: check-all depends on unknown target: check.deps
--

llvm-svn: 125976
 2011-02-18 22:24:23 +00:00
Caroline Tice 27d1032b60 Add code to emulate LDRB (literal) Arm instruction. 
llvm-svn: 125975
 2011-02-18 22:24:22 +00:00
Chris Lattner e6b261fec5 Make loop-idiom use TargetLibraryInfo to determine whether it is allowed 
to hack on memset, memcpy etc.

llvm-svn: 125974
 2011-02-18 22:22:15 +00:00
Chris Lattner d38801cac6 add memset and memcpy, though they are always available for now. 
llvm-svn: 125973
 2011-02-18 22:21:24 +00:00
Chris Lattner af3c0e0ecd rearrange some comments, no functionality change. 
llvm-svn: 125972
 2011-02-18 22:21:07 +00:00
Chris Lattner d98cec5ca2 install a TargetLibraryInfo configured with the appropriate 
target triple.  This would be a decent place to add -fno-builtin
info for example.

llvm-svn: 125971
 2011-02-18 22:20:38 +00:00
Chris Lattner 15c8b5ef8b Have opt set up a specific TargetLibraryInfo for modules 
with a triple.

llvm-svn: 125970
 2011-02-18 22:13:01 +00:00
Oscar Fuentes 09514f1955 CMake: updated list of tblgen source files. 
llvm-svn: 125969
 2011-02-18 22:06:23 +00:00
Oscar Fuentes 5ed962656c Move library stuff out of the toplevel CMakeLists.txt file. 
llvm-svn: 125968
 2011-02-18 22:06:14 +00:00
Jakob Stoklund Olesen 5bfec69b1d Add VirtRegMap::rewrite() and use it in the new register allocators. 
The rewriter works almost identically to -rewriter=trivial, except it also
eliminates any identity copies.

This makes the new register allocators independent of VirtRegRewriter.cpp which
will be going away at the same time as RegAllocLinearScan.

llvm-svn: 125967
 2011-02-18 22:03:18 +00:00
Owen Anderson 4e81890d36 Add FixedLenDecoderEmitter, the skeleton of a new disassembler emitter for fixed-length instruction encodings. 
A major part of its (eventual) goal is to support a much cleaner separation between disassembly callbacks
provided by the target and the disassembler emitter itself, i.e. not requiring hardcoding of knowledge in tblgen
like the existing disassembly emitters do.

The hope is that some day this will allow us to replace the existing non-Thumb ARM disassembler and remove
some of the hacks the old one introduced to tblgen.

llvm-svn: 125966
 2011-02-18 21:51:29 +00:00
Chris Lattner 0e125bb4d0 introduce a new TargetLibraryInfo pass, which transformations can use to 
query about available library functions.  For now this just has 
memset_pattern16, which exists on darwin, but it can be extended for a 
bunch of other things in the future.

llvm-svn: 125965
 2011-02-18 21:50:34 +00:00
Owen Anderson d2f7431fa8 Revert r125956, which broke the build if you _don't_ have lldb checked out. 
llvm-svn: 125964
 2011-02-18 21:33:23 +00:00
Argyrios Kyrtzidis ec016464ca [analyzer] Fix crash when analyzing C++ code. 
llvm-svn: 125963
 2011-02-18 21:24:56 +00:00
Chris Lattner 9ba479bd2c fix rdar://9024687, a crash on invalid that we used to silently ignore. 
llvm-svn: 125962
 2011-02-18 21:16:39 +00:00
Johnny Chen d1fd6963f5 Add emulation methods for "ADC (immediate)" and "ADC (register)". 
Plus add a helper method ReadCoreReg(uint32_t regnum, bool *success) to simplify
coding a bit.

llvm-svn: 125961
 2011-02-18 21:13:05 +00:00
Bill Wendling 8fbe09f160 Reapply r114997 now that the buildbots have been updated. 
llvm-svn: 125960
 2011-02-18 21:12:58 +00:00
Caroline Tice 489517c4a4 Add code to emulate LDRB (immediate, Thumb) instruction. 
llvm-svn: 125959
 2011-02-18 21:06:04 +00:00
Argyrios Kyrtzidis 32d1040519 [analyzer] Fix a crash when analyzing C++ code. 
llvm-svn: 125958
 2011-02-18 20:55:19 +00:00
Argyrios Kyrtzidis 1bdd68871e Introduce ASTContext::getLogicalOperationType() to return bool or int, depending on language. 
No functionality change.

llvm-svn: 125957
 2011-02-18 20:55:15 +00:00
Stephen Wilson 880a6129e2 This patch lets LLDB build as an LLVM subproject. LLDB is not built in 
parallel with the rest of the tools directory as it depends on Clang.

llvm-svn: 125956
 2011-02-18 20:50:33 +00:00
Bruno Cardoso Lopes cdd20affec Fix style and a typo 
llvm-svn: 125949
 2011-02-18 19:49:06 +00:00
Bruno Cardoso Lopes 9cd43977c3 Add assembly parsing support for "msr" and also fix its encoding. Also add 
testcases for the disassembler to make sure it still works for "msr".

llvm-svn: 125948
 2011-02-18 19:45:59 +00:00
Johnny Chen faba5dd4ae Add emulation methods for "AND (immediate)" and "AND (register)". 
Plus add macro definitions for APSR_C and APSR_V to simplify code.

llvm-svn: 125947
 2011-02-18 19:32:20 +00:00
Fariborz Jahanian 302a3d4e4d Objective-c armv7 API for atomic properties of 
scalar types. // rdar://7761305

llvm-svn: 125946
 2011-02-18 19:15:13 +00:00
Caroline Tice a1bf8db478 Add code to emulate LDR (register) Arm instruction. 
llvm-svn: 125945
 2011-02-18 18:52:37 +00:00
Chris Lattner 0ddd0ae50e accept and ignore a few things for better OpenBSD compatibility, 
patch by Amit Kulkarni!

llvm-svn: 125944
 2011-02-18 17:05:55 +00:00
Chris Lattner c37910ea28 improve support for OpenBSD, patch by Amit Kulkarni! 
llvm-svn: 125943
 2011-02-18 17:04:56 +00:00
Rafael Espindola 7c0cb2bbf5 Expose getTypeName to the C API. Patch by Patrick Walton. 
llvm-svn: 125845
 2011-02-18 16:35:37 +00:00
Duncan Sands 84653b3674 Add some transforms of the kind X-Y>X -> 0>Y which are valid when there is no 
overflow.  These subsume some existing equality transforms, so zap those.

llvm-svn: 125843
 2011-02-18 16:25:37 +00:00
Benjamin Kramer bb53b9663b The objectsize intrinsic doesn't access any memory. 
llvm-svn: 125842
 2011-02-18 16:11:40 +00:00
NAKAMURA Takumi dba4ed3502 [Heikki Kultala] This patch contains the ABI changes for the TCE target. 
TCE target has some too strict alignment rules (that the HW really does not require, but which caused problems elsewhere) for data types and an ABI change was decided.

llvm-svn: 125833
 2011-02-18 08:44:38 +00:00
Chris Lattner 0281731cc2 add a poor division by constant case. 
llvm-svn: 125832
 2011-02-18 05:35:49 +00:00
Chris Lattner 6b88c76f13 add a testcase for r125827 
llvm-svn: 125831
 2011-02-18 05:05:01 +00:00
Cameron Zwarich 0a1a36dc46 Roll out r125794 to help diagnose the llvm-gcc-i386-linux-selfhost failure. 
llvm-svn: 125830
 2011-02-18 04:58:10 +00:00
Chris Lattner 1a924e770a prevent jump threading from merging blocks when their address is 
taken (and used!).  This prevents merging the blocks (invalidating
the block addresses) in a case like this:

#define _THIS_IP_  ({ __label__ __here; __here: (unsigned long)&&__here; })

void foo() {
  printf("%p\n", _THIS_IP_);
  printf("%p\n", _THIS_IP_);
  printf("%p\n", _THIS_IP_);
}

which fixes PR4151.

llvm-svn: 125829
 2011-02-18 04:43:06 +00:00
Chris Lattner 8488640da7 hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant. 
llvm-svn: 125828
 2011-02-18 04:41:42 +00:00
Chris Lattner 4a14fbc50c Don't unroll loops whose header block's address is taken. 
This is part of a futile attempt to not "break" bizzaro
code like this:

 l1:
  printf("l1: %p\n", &&l1);
  ++x;

  if( x < 3 ) goto l1;


Previously we'd fold &&l1 to 1, which is fine per our semantics
but not helpful to the user.

llvm-svn: 125827
 2011-02-18 04:25:21 +00:00
Chris Lattner c4ef61af9a we now support __label__ 
llvm-svn: 125826
 2011-02-18 04:12:08 +00:00
Douglas Gregor b327eac117 Implement C++0x [expr.static.cast]p9, which permits explicitly casting 
a scoped enumeration type to an integral or floating type,
properly. There was an over-eager assertion, and it was missing the
floating-point case.

Fixes PR9107/<rdar://problem/8937402>. 

llvm-svn: 125825
 2011-02-18 03:01:41 +00:00
Peter Collingbourne 53049153cf Make -disable-simplify-libcalls work with -std-compile-opts 
llvm-svn: 125824
 2011-02-18 02:59:21 +00:00