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12941 Commits

Author SHA1 Message Date
Chandler Carruth
6b241160ed First step to allowing the resource directory of Clang to be adjusted for 
strange packaging environments. The primary result of this is to expose
a (normally empty) CLANG_RESOURCE_DIR string in the autoconf and CMake builds.
This will in turn be used by a subsequent commit to Clang.

Regenerated configure and config.h.in thanks to Nick. =D


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 08:21:25 +00:00
Evan Cheng
11e8b74a7a - Add a hook for target to determine whether an instruction def is 
"long latency" enough to hoist even if it may increase spilling. Reloading
  a value from spill slot is often cheaper than performing an expensive
  computation in the loop. For X86, that means machine LICM will hoist
  SQRT, DIV, etc. ARM will be somewhat aggressive with VFP and NEON
  instructions.
- Enable register pressure aware machine LICM by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:55:07 +00:00
Chandler Carruth
b5a2d3f8e3 Move the definition of this to the source file to anchor the vtable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:37:30 +00:00
Dan Gohman
eee5400442 Make the representation of AliasSets explicitly differentiate 
between "not known yet" and "known no tbaa info" so that it
can merge them properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 23:31:47 +00:00
Chandler Carruth
1be4ab681e Add a virtual destructor to silence a GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 23:18:51 +00:00
Dan Gohman
fb8096dee5 Don't pass the raw invalid pointer used to represent conflicting 
TBAA information to AliasAnalysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 21:28:00 +00:00
Bill Wendling
b41ee96d76 Don't recompute MachineRegisterInfo in the Optimize* method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 21:22:31 +00:00
Dan Gohman
a8702eaf78 Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 20:44:50 +00:00
Dan Gohman
4021fccf9f Add TypeBasedAliasAnalysis to the standard pass lists. Note that it 
is currently inert by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116732 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:50:27 +00:00
Dan Gohman
c1be92f3bb Make BasicAliasAnalysis a normal AliasAnalysis implementation which 
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 18:04:47 +00:00
Rafael Espindola
f230df9af4 Add a MCObjectFormat class so that code common to all targets that use a 
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 18:23:53 +00:00
Michael J. Spencer
4cee2890a6 MC-COFF: Add support for default-null weak externals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 08:25:57 +00:00
Michael J. Spencer
84ac4d5a2a X86-Windows: Emit an undefined global __fltused symbol when targeting Windows 
if any floating point arguments are passed to an external function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 08:25:41 +00:00
Michael J. Spencer
e70c526d59 Whitespace! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-16 08:25:21 +00:00
Jim Grosbach
cbc549e81c Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-15 01:44:59 +00:00
Francois Pichet
a872a0f5f8 Always use binary mode for output stream. This is important to prevent unwanted end of line conversion on Windows. Should not affect Unix where O_BINARY is not defined. This fix /clang/test/lexer/preamble.c XFAIL on WIN32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 20:30:58 +00:00
Owen Anderson
c934a67ef6 Try again at implementing thread-safe lazy pass initialization, without depending on static local initialization 
being threadsafe AND ensuring that initialization is complete by the time the initializeFooPass method returns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 17:59:03 +00:00
Owen Anderson
20a70c8472 Revert r116489. It included some changes I didn't intend to commit, and broke the buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116491 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 17:36:50 +00:00
Owen Anderson
05b4af7078 Apparently MSVC doesn't support thread-safe static local initialization. Roll our own solution instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 17:26:06 +00:00
Chris Lattner
eafc5cb80d add uadd_ov/usub_ov to apint, consolidate constant folding 
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116457 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 00:05:07 +00:00
Chris Lattner
08e90f5646 missed a line :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 23:57:00 +00:00
Chris Lattner
0a0a585e6b constify these methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 23:54:10 +00:00
Chris Lattner
f2ddc64c87 add a few operations for signed operations that also 
return an overflow flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 23:46:33 +00:00
Owen Anderson
139788fe6f Conversely, Analysis-implementations do NOT need to initialize the AnalysisGroup. It will only matter when 
someone tries to require that AG, in which case it is the requester's responsibility to initialize it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 21:55:07 +00:00
Owen Anderson
325e264355 Analysis groups need to initialize their default implementations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116441 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 21:49:58 +00:00
Owen Anderson
972beb5431 Take advantage of C++'s thread-safe static local initialization to simplify thread-safe pass initialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116426 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 20:24:34 +00:00
Benjamin Kramer
e98fbba91f Remove noisy semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116407 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 15:55:12 +00:00
Tobias Grosser
b227930cd6 Add Region::isTopLevelRegion(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 11:02:44 +00:00
Tobias Grosser
592316c419 RegionInfo: Update RegionInfo after a BB was split. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:13 +00:00
Tobias Grosser
c69bd733c0 RegioInfo: Add getExpandedRegion(). 
getExpandedRegion() enables us to create non canonical regions. Those regions
can be used to define the largerst region, that fullfills a certain property.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:11 +00:00
Tobias Grosser
4bcc0228dc RegionInfo: Allow to update exit and entry of a region. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:10 +00:00
Tobias Grosser
9649390e1f RegionInfo: Enhance addSubregion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:09 +00:00
Tobias Grosser
9ee5c50776 RegionInfo: Allow to set the parent region of a basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 05:54:07 +00:00
Rafael Espindola
6688c4a742 Fix PR8313 by changing ValueToValueMap use a TrackingVH. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116390 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 02:08:17 +00:00
Rafael Espindola
1ed219a9d2 Be more consistent in using ValueToValueMapTy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-13 01:36:30 +00:00
Owen Anderson
2ab36d3502 Begin adding static dependence information to passes, which will allow us to 
perform initialization without static constructors AND without explicit initialization
by the client.  For the moment, passes are required to initialize both their
(potential) dependencies and any passes they preserve.  I hope to be able to relax
the latter requirement in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 19:48:12 +00:00
Jim Grosbach
82635f080c Comment grammar tweakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116322 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 18:11:41 +00:00
Dan Gohman
320afb8c81 Initial va_arg support for x86-64. Patch by David Meyer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116319 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 18:00:49 +00:00
Dan Gohman
568a63db96 Constify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116277 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 00:12:29 +00:00
Dan Gohman
ebb1834e86 Use SmallVectorImpl in a bunch of places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-12 00:11:18 +00:00
Jason W Kim
17b443df43 Second set of ARM/MC/ELF changes. 
Added ARM specific ELF section types.
Added AttributesSection to ARMElfTargetObject
First step in unifying .cpu assembly tag with ELF/.o
llc now asserts on actual ELF emission on -filetype=obj :-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 23:01:44 +00:00
Dan Gohman
d3d2ddc78e Clang's #include handling apparently doesn't work for libstdc++'s 
fenv.h. See PR6907 for details. Work around this in FEnv.h to fix
the seflhost build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 22:30:59 +00:00
Michael J. Spencer
4c099b8724 System: Add SwapByteOrder and update Support/MathExtras.h to use it. 
This time correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 21:56:16 +00:00
Michael J. Spencer
af72684eea Revert "System: Add SwapByteOrder and update Support/MathExtras.h to use it." 
This reverts commit 116234.

It compiled just fine with MSVC and clang...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116242 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 21:39:24 +00:00
Michael J. Spencer
5031e0d977 System: Add SwapByteOrder and update Support/MathExtras.h to use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 21:22:22 +00:00
Chris Lattner
ffa0e71c33 remove dead prototype, PR8351 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 17:44:22 +00:00
Chris Lattner
ddf897af78 tweak comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 05:48:00 +00:00
Chris Lattner
60cb528246 Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if 
it comes back, it will be largely a rewrite, so keeping the old codebase
in tree isn't helping anyone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116190 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-11 05:44:40 +00:00
Kenneth Uildriks
74fa7327d6 Now using a variant of the existing inlining heuristics to decide whether to create a given specialization of a function in PartialSpecialization. If the total performance bonus across all callsites passing the same constant exceeds the specialization cost, we create the specialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 22:06:36 +00:00
Jim Grosbach
6313944845 Allow << streaming of MCOperand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:36:13 +00:00