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45020 Commits

Author SHA1 Message Date
Bob Wilson 85cefe8567 Generalize BuildVectorSDNode::isConstantSplat to use APInts and handle 
arbitrary vector sizes.  Add an optional MinSplatBits parameter to specify
a minimum for the splat element size.  Update the PPC target to use the
revised interface.

llvm-svn: 65899
 2009-03-02 23:24:16 +00:00
Bill Wendling a347bc6700 Document the -gcc-tool-args bugpoint option. 
llvm-svn: 65897
 2009-03-02 23:15:59 +00:00
Bill Wendling bf5d827194 Add a "-gcc-tool-args" option. This option acts like the "-tool-args" option, 
but passes the arguments to the "gcc" invocation instead of to the "llc"
invocation.

llvm-svn: 65896
 2009-03-02 23:13:18 +00:00
Nate Begeman aa06843c56 Fix the calculation for how big the allocated stub needs to be. 
llvm-svn: 65895
 2009-03-02 23:10:14 +00:00
Devang Patel 49d64927e1 Remove all dbg symobls, including those with circular references. 
This is ugly, but I can't figure out a quick way out of this.

llvm-svn: 65889
 2009-03-02 22:50:58 +00:00
Chris Lattner bab4417e05 Fix main executable path name resolution on FreeBSD, patch by 
Ed Schouten!

llvm-svn: 65882
 2009-03-02 22:17:15 +00:00
Daniel Dunbar 3854762d92 Add some more clang related release notes. 
llvm-svn: 65868
 2009-03-02 20:08:12 +00:00
Gabor Greif 659b0f3063 drop support for GCC 2.x as it is hopelessly broken anyway 
llvm-svn: 65864
 2009-03-02 19:49:29 +00:00
Tanya Lattner 8ae22cba41 Remove incorrect information about fortran on Darwin. 
llvm-svn: 65859
 2009-03-02 19:38:59 +00:00
Gabor Greif 6b30968114 fix broken GCC bugzilla link 
llvm-svn: 65858
 2009-03-02 19:11:53 +00:00
Gabor Greif 143bf8b5cd add a Q/A on broken GCCs 
llvm-svn: 65857
 2009-03-02 19:08:05 +00:00
Chris Lattner 0c72d8f305 update blurb per Shannon Weyrick. 
llvm-svn: 65856
 2009-03-02 19:07:24 +00:00
Duncan Sands d16340c846 Try to make the meaning of 'nocapture' a bit clearer. I 
commented out the line about simplifylibcalls because I
think this doesn't work in the release (it was fixed in
svn after the release branched).

llvm-svn: 65846
 2009-03-02 16:58:00 +00:00
Duncan Sands 2dbb00ea9a Use GCC not gcc, like everywhere else in this document. 
llvm-svn: 65845
 2009-03-02 16:35:57 +00:00
John Criswell ea03c9d300 Grammar and punctuation fixes. 
No content changes.

llvm-svn: 65844
 2009-03-02 15:28:15 +00:00
Gabor Greif 1ab00bf883 Declare Sentinel fragments as mutable to get rid 
of some pointless casting. This fragment logically
does not belong to ilist anyway, but to "ghostly"
NodeType.

llvm-svn: 65843
 2009-03-02 14:47:45 +00:00
Gabor Greif 502bf8d994 remove a deprecated interface that was pretty useless 
llvm-svn: 65842
 2009-03-02 12:42:07 +00:00
Gabor Greif 176c12dd38 note the removal of deprecated interfaces 
llvm-svn: 65841
 2009-03-02 12:23:55 +00:00
Gabor Greif 21e3ec35fe fix typo 
llvm-svn: 65839
 2009-03-02 12:10:56 +00:00
Gabor Greif 75b2f76754 minor tweaks 
llvm-svn: 65838
 2009-03-02 12:02:51 +00:00
Gabor Greif 01c2ec85ed minor tweaks 
llvm-svn: 65837
 2009-03-02 11:34:51 +00:00
Mikhail Glushenkov c6333bdc50 Remove duplication in Makefile.rules. 
Merge common bits from the LLVMC and TABLEGEN sections.

llvm-svn: 65834
 2009-03-02 09:42:59 +00:00
Nicolas Geoffray 08a8d0e71e Add more notes for VMKit. 
llvm-svn: 65833
 2009-03-02 09:25:38 +00:00
Duncan Sands 5795a6091d Fix PR3694: add an instcombine micro-optimization that helps 
clean up when using variable length arrays in llvm-gcc.

llvm-svn: 65832
 2009-03-02 09:18:21 +00:00
Mikhail Glushenkov 7cff81825f Move the rules for building plugins to Makefile.rules. 
llvm-svn: 65827
 2009-03-02 09:04:13 +00:00
Mikhail Glushenkov 37b419cdee Fix build with objdir != srcdir. 
llvm-svn: 65826
 2009-03-02 09:03:36 +00:00
Mikhail Glushenkov ecfab627fd Move code from Main.cpp to the include dir. 
User drivers based on llvmc must all share the initialization code.
Putting main() into libCompilerDriver is not a very good idea IMO (and ld gave
me some strange EH-related error anyway).

llvm-svn: 65825
 2009-03-02 09:03:02 +00:00
Mikhail Glushenkov f552ed69f9 Cosmetic fixes: include guards. 
llvm-svn: 65824
 2009-03-02 09:02:28 +00:00
Mikhail Glushenkov a9780b2202 Plugin::Priority() doesn't need to be pure virtual. 
llvm-svn: 65823
 2009-03-02 09:02:01 +00:00
Mikhail Glushenkov 661f4c9131 Add a comment. 
llvm-svn: 65822
 2009-03-02 09:01:39 +00:00
Mikhail Glushenkov 931d4521c3 Reorganize llvmc code. 
Move the code from 'llvmc/driver' into a new CompilerDriver library, and change
the build system accordingly. Makes it easier for projects using LLVM to build
their own llvmc-based drivers.

Tested with objdir != srcdir.

llvm-svn: 65821
 2009-03-02 09:01:14 +00:00
Bill Wendling 89cd82f5da Random formatting changes. 
llvm-svn: 65815
 2009-03-02 07:54:14 +00:00
Bill Wendling b3921bf12e Fix typos. 
llvm-svn: 65813
 2009-03-02 07:42:15 +00:00
Bill Wendling f170d2e6c8 Change </pp> to </p>. 
llvm-svn: 65804
 2009-03-02 04:28:57 +00:00
Bill Wendling 87adbe4836 - Use "real-world applications" instead of just "real applications". 
- Verification Fixes.

llvm-svn: 65803
 2009-03-02 04:28:18 +00:00
Gordon Henriksen 29a25ebbd9 Make some improvements to the GC docs. 
Also, drop reference to the half-baked runtime interface.

llvm-svn: 65802
 2009-03-02 03:47:20 +00:00
Gordon Henriksen 3de1a09c86 Drop toy GC runtime. 
llvm-svn: 65801
 2009-03-02 03:46:48 +00:00
Chris Lattner 0ed1aa830b remove empty section 
llvm-svn: 65800
 2009-03-02 03:24:41 +00:00
Chris Lattner d434bfbdc4 more englishification 
llvm-svn: 65799
 2009-03-02 03:24:11 +00:00
Chris Lattner d1094e032f start translating this into Engrish and organizing it. 
llvm-svn: 65797
 2009-03-02 02:37:32 +00:00
Nate Begeman a9e981225e Fix a problem with DAGCombine on 64b targets where folding 
extracts + build_vector into a shuffle would fail, because the
type of the new build_vector would not be legal.  Try harder to
create a legal build_vector type.  Note: this will be totally 
irrelevant once vector_shuffle no longer takes a build_vector for
shuffle mask.

New:
_foo:
	xorps	%xmm0, %xmm0
	xorps	%xmm1, %xmm1
	subps	%xmm1, %xmm1
	mulps	%xmm0, %xmm1
	addps	%xmm0, %xmm1
	movaps	%xmm1, 0

Old:
_foo:
	xorps	%xmm0, %xmm0
	movss	%xmm0, %xmm1
	xorps	%xmm2, %xmm2
	unpcklps	%xmm1, %xmm2
	pshufd	$80, %xmm1, %xmm1
	unpcklps	%xmm1, %xmm2
	pslldq	$16, %xmm2
	pshufd	$57, %xmm2, %xmm1
	subps	%xmm0, %xmm1
	mulps	%xmm0, %xmm1
	addps	%xmm0, %xmm1
	movaps	%xmm1, 0

llvm-svn: 65791
 2009-03-01 23:44:07 +00:00
Chris Lattner 705f0b764e move gold plugin next to LTO doc in the subsystem section 
llvm-svn: 65790
 2009-03-01 23:42:51 +00:00
Nick Lewycky b750d2266d Add a quickstart example. 
llvm-svn: 65789
 2009-03-01 21:55:10 +00:00
Nick Lewycky d70c8a8da6 Close list item tag, to conform with the style in this file. It's optional 
anyways.

llvm-svn: 65787
 2009-03-01 21:07:44 +00:00
Nick Lewycky f268c6b2a3 Add the gold plugin page to the documentation index! 
llvm-svn: 65786
 2009-03-01 21:06:42 +00:00
Nick Lewycky 236e926c5b Cleanup the description of flags to llvm-gcc. Also remove stray text in the 
attribution.

llvm-svn: 65785
 2009-03-01 20:58:07 +00:00
Nick Lewycky 6d1fc5c7e4 Don't forget the important part. llvm-gcc -use-gold-plugin passes the right 
options to gold.

llvm-svn: 65783
 2009-03-01 18:48:53 +00:00
Mikhail Glushenkov 254225489a Sprinkle llvmc notes with <tt>. 
Also removes some trailing whitespace.

llvm-svn: 65781
 2009-03-01 18:09:47 +00:00
Gabor Greif 144fa6a08a Another sentinel optimization. This one should always 
be a win, since almost every interesting function has at least one Argument.

llvm-svn: 65778
 2009-03-01 17:13:15 +00:00
Gabor Greif 6f8d4ae3c0 Reuse a technique (pioneered for BasicBlocks) of superposing ilist with 
its sentinel. This is quite a win when a function really has a basic block.                  
When the function is just a declaration (and stays so) the old way did not
allocate a sentinel. So this change is most beneficial when the ratio of
function definition to declaration is high. I.e. linkers etc. Incidentally  
these are the most resource demanding applications, so I expect that the
reduced malloc traffic, locality and space savings outweigh the cost of
addition of two pointers to Function.

llvm-svn: 65776
 2009-03-01 16:38:10 +00:00
Duncan Sands 491f9e89ae Functions marked malloc are noalias return. 
llvm-svn: 65775
 2009-03-01 16:19:31 +00:00
Duncan Sands 3d23bb03c1 Tweak this a bit. 
llvm-svn: 65772
 2009-03-01 15:19:03 +00:00
Duncan Sands ef821b5fbe Adjust this test for recent llvm-gcc changes. 
llvm-svn: 65771
 2009-03-01 15:01:51 +00:00
Nick Lewycky b603c73e76 Fix grammar. 
llvm-svn: 65769
 2009-03-01 09:51:07 +00:00
Gabor Greif b122c4cb1d fix a comment 
llvm-svn: 65768
 2009-03-01 09:45:52 +00:00
Gabor Greif 19b2d443b5 Fix a typo. Thanks baldrick! 
llvm-svn: 65767
 2009-03-01 09:43:41 +00:00
Nick Lewycky 0a71fa9dc3 First pass at a document describing how to achieve LTO on Linux with gold. 
llvm-svn: 65766
 2009-03-01 09:38:29 +00:00
Duncan Sands 2166cb7673 Another point to mention. 
llvm-svn: 65765
 2009-03-01 08:26:19 +00:00
Bill Wendling 38eae046cf Temporarily revert r65755. It was causing failures in the self-hosting 
testsuite:

Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/nancvt.ll
Failed with exit(1) at line 2
while running: grep 2147027116 nancvt.ll.tmp | count 3
count: expected 3 lines and got        0.
child process exited abnormally
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/vec_ins_extract.ll
Failed with exit(1) at line 1
while running:  llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/CodeGen/X86/vec_ins_extract.ll |  opt -scalarrepl -instcombine |   llc -march=x86 -mcpu=yonah | not /usr/bin/grep sub.*esp
      subl      $28, %esp
      subl      $28, %esp
child process exited abnormally

And more.

llvm-svn: 65758
 2009-03-01 03:55:12 +00:00
Chris Lattner c92d769b41 add some llvmc notes from Mikhail 
llvm-svn: 65756
 2009-03-01 02:30:21 +00:00
Chris Lattner e2bb5e31c8 hoist the check for alloca size up so that it controls CanConvertToScalar 
as well as isSafeAllocaToScalarRepl.

llvm-svn: 65755
 2009-03-01 02:26:47 +00:00
Evan Cheng c2f95b56db Minor optimization: 
Look for situations like this:                                                                                                                                                              
%reg1024<def> = MOV r1                                                                                                                                                                      
%reg1025<def> = MOV r0                                                                                                                                                                      
%reg1026<def> = ADD %reg1024, %reg1025                                                                                                                                                      
r0            = MOV %reg1026                                                                                                                                                                
Commute the ADD to hopefully eliminate an otherwise unavoidable copy.

llvm-svn: 65752
 2009-03-01 02:03:43 +00:00
Chris Lattner 25f282f566 tweak this to accept asmprinter changes. I have no way to verify this, hopefully 
the buildbot will work.

llvm-svn: 65750
 2009-03-01 01:28:40 +00:00
Chris Lattner 242d91a476 simplify handling "don't print top level name" processing, so that we get 
stuff like %A = type { %A*} instead of an upref.

llvm-svn: 65748
 2009-03-01 01:16:21 +00:00
Bob Wilson d8ea0e144e Combine PPC's GetConstantBuildVectorBits and isConstantSplat functions to a new 
method in a BuildVectorSDNode "pseudo-class".

llvm-svn: 65747
 2009-03-01 01:13:55 +00:00
Chris Lattner 89d856e9e0 Fix a pretty awesome bug that only happened in a strange case with anonymous 
types.  This was reading the uint for the keyword after the token was advanced.

llvm-svn: 65743
 2009-03-01 00:53:13 +00:00
Chris Lattner 84516481f2 walk type symbol table also, so we get: 
type opaque		; type %0
	%C = type { %0, %0 }

instead of:

	%C = type { opaque, opaque }

when appropriate.

llvm-svn: 65742
 2009-03-01 00:32:33 +00:00
Chris Lattner 3c4f6be2b4 adjust for asmprinter change. 
llvm-svn: 65741
 2009-03-01 00:26:51 +00:00
Chris Lattner fb97bdc6a7 adjust for asmprinter change. 
llvm-svn: 65740
 2009-03-01 00:25:46 +00:00
Chris Lattner b23aad01de adjust test to make it more robust 
llvm-svn: 65739
 2009-03-01 00:24:40 +00:00
Chris Lattner 3243ea111e Fix a long-standing bug and misfeature of the disassembler: when dealing with a 
stripped .bc file, it didn't make any attempt to try to reuse anonymous types.
This causes an amazing type explosion due to types getting duplicated everywhere
they are referenced and other problems.

This also caused correctness issues, because opaque types are unique for each time
they are uttered in the file.  This means that stripping a .bc file could produce
a .ll file that could not be assembled (e.g. 2009-02-28-StripOpaqueName.ll).

This patch fixes both of these issues.

llvm-svn: 65738
 2009-03-01 00:03:38 +00:00
Chris Lattner 92c5c12bdb move type name population out of TypePrinting class into a static 
AsmWriter.cpp method.

llvm-svn: 65736
 2009-02-28 23:20:19 +00:00
Chris Lattner 3339d7f8bc switch to densemap for pointer->word map. 
llvm-svn: 65735
 2009-02-28 23:03:55 +00:00
Chris Lattner b543cae7d6 delete a bunch of duplicated type printing logic, using the type printing 
stuff in AsmWriter.cpp for Type::getDescription().

llvm-svn: 65734
 2009-02-28 23:01:57 +00:00
Chris Lattner 63220af1ca make this work when constructed with a null module* 
llvm-svn: 65733
 2009-02-28 23:01:30 +00:00
Gabor Greif d07987f5b6 add description how the ilist_traits<Instruction> works 
llvm-svn: 65732
 2009-02-28 22:46:37 +00:00
Chris Lattner faaa7ac1f2 the module is not required to exist, allow it to default, giving this 
class a nice default ctor.

llvm-svn: 65731
 2009-02-28 22:41:33 +00:00
Chris Lattner 3a5e4d7a2e disable copying and assignment. 
llvm-svn: 65730
 2009-02-28 22:35:24 +00:00
Chris Lattner 3ad4682b23 expose TypePrinting as a public API. 
llvm-svn: 65729
 2009-02-28 22:34:45 +00:00
Chris Lattner e2a87a98b3 one less space, fixes failure with rebuilt llvm-gcc. 
llvm-svn: 65728
 2009-02-28 22:20:02 +00:00
Bill Wendling 050ee8fb8d Fix grammaro. 
llvm-svn: 65727
 2009-02-28 22:12:54 +00:00
Chris Lattner 06a2321051 rename 'Result' to 'OS' in CalcTypeName for consistency 
llvm-svn: 65724
 2009-02-28 21:27:31 +00:00
Chris Lattner e101c44d77 do not embed the raw_ostream into TypePrinting, pass it as an argument to print etc. 
llvm-svn: 65723
 2009-02-28 21:26:53 +00:00
Chris Lattner 68318b1535 stop calling Type::getDescription(). 
llvm-svn: 65722
 2009-02-28 21:18:43 +00:00
Chris Lattner 2ee62d28c1 simplifications 
llvm-svn: 65721
 2009-02-28 21:11:05 +00:00
Chris Lattner 24025261d3 Change WriteTypeSymbolic to not put a space out before types, also, remove 
the old std::ostream version.

llvm-svn: 65720
 2009-02-28 21:05:51 +00:00
Chris Lattner 40959d03cb make CalcTypeName take a stream instead of a string to concat onto, 
eliminate redundant opaque handling code.

llvm-svn: 65716
 2009-02-28 20:49:40 +00:00
Chris Lattner eb23f87289 remove a bunch of nearly-duplicated code. 
llvm-svn: 65715
 2009-02-28 20:40:29 +00:00
Chris Lattner 07d8829df9 fix indentation, remove dead integer case. 
llvm-svn: 65714
 2009-02-28 20:35:42 +00:00
Chris Lattner 765338decf pull calcTypeName into TypePrinting class, make its type stack 
be a smallvector instead of vector.

llvm-svn: 65713
 2009-02-28 20:34:19 +00:00
Chris Lattner 7b394e87ff inline method into its only use and simplify the result. 
llvm-svn: 65712
 2009-02-28 20:31:14 +00:00
Chris Lattner 1273471795 simplify condition 
llvm-svn: 65711
 2009-02-28 20:28:50 +00:00
Chris Lattner 0f57895708 start refactoring the .ll printer: introduce a new TypePrinting class 
and move all related stuff to it.

llvm-svn: 65710
 2009-02-28 20:25:14 +00:00
Chris Lattner fb23a968ad add a stub for Roadsend PHP 
llvm-svn: 65705
 2009-02-28 18:58:01 +00:00
Chris Lattner 361bfcd932 don't use the word 'aggregate' with constants, it is confusing. 
llvm-svn: 65702
 2009-02-28 18:32:25 +00:00
Chris Lattner 789dee38a5 don't redescribe bitcast constraints in two places. It is not valid to 
bitcast from one aggregate to another.

llvm-svn: 65700
 2009-02-28 18:27:03 +00:00
Chris Lattner bb1fe8abdd reject 0 element vectors with: 
@a = internal constant void bitcast(<0 x i8> <> to void)
                                     ^

Fixes PR3685

llvm-svn: 65698
 2009-02-28 18:12:41 +00:00
Nick Lewycky cd5b1443bb Update this text for first-class aggregates. 
llvm-svn: 65697
 2009-02-28 17:30:06 +00:00
Bill Wendling 638b836aab Fix typo. Found by William Moss. 
llvm-svn: 65693
 2009-02-28 12:26:34 +00:00
Bill Wendling 6311d06b2f There is a way to specify targets that should succeed. It's the "XTARGET" 
keyword.

llvm-svn: 65692
 2009-02-28 12:11:01 +00:00