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Author SHA1 Message Date
Duncan Sands
05c709517d 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65846 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 16:58:00 +00:00
Duncan Sands
dd3e6722d9 Use GCC not gcc, like everywhere else in this document. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65845 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 16:35:57 +00:00
John Criswell
524a5ddbb3 Grammar and punctuation fixes. 
No content changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 15:28:15 +00:00
Gabor Greif
1012919ed8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 14:47:45 +00:00
Gabor Greif
5b78a7cabe remove a deprecated interface that was pretty useless 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65842 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 12:42:07 +00:00
Gabor Greif
cc46550785 note the removal of deprecated interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65841 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 12:23:55 +00:00
Gabor Greif
e6d68200ee fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65839 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 12:10:56 +00:00
Gabor Greif
4906abe63a minor tweaks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 12:02:51 +00:00
Gabor Greif
29ecc1c4c2 minor tweaks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 11:34:51 +00:00
Mikhail Glushenkov
1386ae4b0f Remove duplication in Makefile.rules. 
Merge common bits from the LLVMC and TABLEGEN sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:42:59 +00:00
Nicolas Geoffray
09c9ed4409 Add more notes for VMKit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65833 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:25:38 +00:00
Duncan Sands
5b7cfb02f7 Fix PR3694: add an instcombine micro-optimization that helps 
clean up when using variable length arrays in llvm-gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65832 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:18:21 +00:00
Mikhail Glushenkov
540d73f0cb Move the rules for building plugins to Makefile.rules. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:04:13 +00:00
Mikhail Glushenkov
b14f5b5e9d Fix build with objdir != srcdir. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65826 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:03:36 +00:00
Mikhail Glushenkov
95e2aa8967 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).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65825 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:03:02 +00:00
Mikhail Glushenkov
bd21c83d64 Cosmetic fixes: include guards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:02:28 +00:00
Mikhail Glushenkov
41f36f456b Plugin::Priority() doesn't need to be pure virtual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:02:01 +00:00
Mikhail Glushenkov
f5178ce144 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65822 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:01:39 +00:00
Mikhail Glushenkov
f188178a2f 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65821 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 09:01:14 +00:00
Bill Wendling
99dac47b0a Random formatting changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65815 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 07:54:14 +00:00
Bill Wendling
dc1350ef0d Fix typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65813 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 07:42:15 +00:00
Bill Wendling
63d8c55266 Change </pp> to </p>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65804 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 04:28:57 +00:00
Bill Wendling
6bc15281a9 - Use "real-world applications" instead of just "real applications". 
- Verification Fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65803 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 04:28:18 +00:00
Gordon Henriksen
c9c0b59402 Make some improvements to the GC docs. 
Also, drop reference to the half-baked runtime interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 03:47:20 +00:00
Gordon Henriksen
6da385e07f Drop toy GC runtime. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65801 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 03:46:48 +00:00
Chris Lattner
3975f2bf9e remove empty section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65800 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 03:24:41 +00:00
Chris Lattner
511433e7cf more englishification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65799 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 03:24:11 +00:00
Chris Lattner
917cc71ae1 start translating this into Engrish and organizing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65797 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-02 02:37:32 +00:00
Nate Begeman
cbd88adea6 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 23:44:07 +00:00
Chris Lattner
932af8f8c3 move gold plugin next to LTO doc in the subsystem section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65790 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 23:42:51 +00:00
Nick Lewycky
f3888ba23f Add a quickstart example. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65789 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 21:55:10 +00:00
Nick Lewycky
f45a82890e Close list item tag, to conform with the style in this file. It's optional 
anyways.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65787 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 21:07:44 +00:00
Nick Lewycky
017730c653 Add the gold plugin page to the documentation index! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65786 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 21:06:42 +00:00
Nick Lewycky
d66ff0f2e0 Cleanup the description of flags to llvm-gcc. Also remove stray text in the 
attribution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65785 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 20:58:07 +00:00
Nick Lewycky
050147cb70 Don't forget the important part. llvm-gcc -use-gold-plugin passes the right 
options to gold.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65783 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 18:48:53 +00:00
Mikhail Glushenkov
f795ef0cd4 Sprinkle llvmc notes with <tt>. 
Also removes some trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 18:09:47 +00:00
Gabor Greif
5e7d4d643d Another sentinel optimization. This one should always 
be a win, since almost every interesting function has at least one Argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 17:13:15 +00:00
Gabor Greif
abd6f28a74 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65776 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 16:38:10 +00:00
Duncan Sands
358f24943a Functions marked malloc are noalias return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65775 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 16:19:31 +00:00
Duncan Sands
10f06755ce Tweak this a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65772 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 15:19:03 +00:00
Duncan Sands
d14e9e78e4 Adjust this test for recent llvm-gcc changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65771 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 15:01:51 +00:00
Nick Lewycky
fd97aa2bd2 Fix grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65769 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 09:51:07 +00:00
Gabor Greif
1f3bd7a2ee fix a comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 09:45:52 +00:00
Gabor Greif
1a31d09a16 Fix a typo. Thanks baldrick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 09:43:41 +00:00
Nick Lewycky
ebc6765970 First pass at a document describing how to achieve LTO on Linux with gold. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 09:38:29 +00:00
Duncan Sands
f910fd3110 Another point to mention. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 08:26:19 +00:00
Bill Wendling
8fe40819ae 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65758 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 03:55:12 +00:00
Chris Lattner
c441fb8937 add some llvmc notes from Mikhail 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65756 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 02:30:21 +00:00
Chris Lattner
af89a3f1d3 hoist the check for alloca size up so that it controls CanConvertToScalar 
as well as isSafeAllocaToScalarRepl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65755 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 02:26:47 +00:00
Evan Cheng
870b80722f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65752 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-01 02:03:43 +00:00