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Author SHA1 Message Date
Nick Lewycky
1b26d345cc 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
5c799fd8dd Add the gold plugin page to the documentation index! 
llvm-svn: 65786
 2009-03-01 21:06:42 +00:00
Nick Lewycky
57d7512427 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
4c751eeddf 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
6336c61b2c Sprinkle llvmc notes with <tt>. 
Also removes some trailing whitespace.

llvm-svn: 65781
 2009-03-01 18:09:47 +00:00
Gabor Greif
3f56efbf04 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
dc34b050a2 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
b55953cfc0 Functions marked malloc are noalias return. 
llvm-svn: 65775
 2009-03-01 16:19:31 +00:00
Duncan Sands
2efa31c91e Tweak this a bit. 
llvm-svn: 65772
 2009-03-01 15:19:03 +00:00
Duncan Sands
2a1baecb38 Adjust this test for recent llvm-gcc changes. 
llvm-svn: 65771
 2009-03-01 15:01:51 +00:00
Nick Lewycky
329a7285b4 Fix grammar. 
llvm-svn: 65769
 2009-03-01 09:51:07 +00:00
Gabor Greif
9849b23219 fix a comment 
llvm-svn: 65768
 2009-03-01 09:45:52 +00:00
Gabor Greif
9b3fe3d625 Fix a typo. Thanks baldrick! 
llvm-svn: 65767
 2009-03-01 09:43:41 +00:00
Nick Lewycky
f4cf146789 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
ac0ff99803 Another point to mention. 
llvm-svn: 65765
 2009-03-01 08:26:19 +00:00
Bill Wendling
0dd6d44518 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
543d2057f9 add some llvmc notes from Mikhail 
llvm-svn: 65756
 2009-03-01 02:30:21 +00:00
Chris Lattner
7228db7662 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
276f9b02c5 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
50be1d46f2 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
0cefb564d4 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
7482f84ae6 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
a9611661b0 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
94224fe3d1 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
76fd170cbc adjust for asmprinter change. 
llvm-svn: 65741
 2009-03-01 00:26:51 +00:00
Chris Lattner
f8c9dfe644 adjust for asmprinter change. 
llvm-svn: 65740
 2009-03-01 00:25:46 +00:00
Chris Lattner
3680a9598e adjust test to make it more robust 
llvm-svn: 65739
 2009-03-01 00:24:40 +00:00
Chris Lattner
f270618038 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
1a7eac8434 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
666bf65fa3 switch to densemap for pointer->word map. 
llvm-svn: 65735
 2009-02-28 23:03:55 +00:00
Chris Lattner
2396ce476a 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
2b04164c1d make this work when constructed with a null module* 
llvm-svn: 65733
 2009-02-28 23:01:30 +00:00
Gabor Greif
2def3e8ae7 add description how the ilist_traits<Instruction> works 
llvm-svn: 65732
 2009-02-28 22:46:37 +00:00
Chris Lattner
34181d9bcc 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
28f2b3c2a4 disable copying and assignment. 
llvm-svn: 65730
 2009-02-28 22:35:24 +00:00
Chris Lattner
03e16b833f expose TypePrinting as a public API. 
llvm-svn: 65729
 2009-02-28 22:34:45 +00:00
Chris Lattner
d3bb67a595 one less space, fixes failure with rebuilt llvm-gcc. 
llvm-svn: 65728
 2009-02-28 22:20:02 +00:00
Bill Wendling
012bf508b5 Fix grammaro. 
llvm-svn: 65727
 2009-02-28 22:12:54 +00:00
Chris Lattner
5b8bf4f327 rename 'Result' to 'OS' in CalcTypeName for consistency 
llvm-svn: 65724
 2009-02-28 21:27:31 +00:00
Chris Lattner
5eaaf4a96d 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
e0a45a4296 stop calling Type::getDescription(). 
llvm-svn: 65722
 2009-02-28 21:18:43 +00:00
Chris Lattner
c75ef1bf12 simplifications 
llvm-svn: 65721
 2009-02-28 21:11:05 +00:00
Chris Lattner
f47615197e 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
9e0c90d568 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
e89d5cf8ea remove a bunch of nearly-duplicated code. 
llvm-svn: 65715
 2009-02-28 20:40:29 +00:00
Chris Lattner
6a44ecb340 fix indentation, remove dead integer case. 
llvm-svn: 65714
 2009-02-28 20:35:42 +00:00
Chris Lattner
ad8d445e97 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
e0fb715ace inline method into its only use and simplify the result. 
llvm-svn: 65712
 2009-02-28 20:31:14 +00:00
Chris Lattner
0d6a6602c5 simplify condition 
llvm-svn: 65711
 2009-02-28 20:28:50 +00:00
Chris Lattner
9fd658a250 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