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Author SHA1 Message Date
Eli Friedman
eb1dc98aa7 Remove outdated README entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125660 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 07:41:19 +00:00
Eli Friedman
fd51e95171 Remove outdated README entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125659 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 07:18:18 +00:00
Eli Friedman
c5cb996e9c Update README entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125658 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 07:17:44 +00:00
Eric Christopher
7bccf6abdc Refactor zero folding slightly. Clean up todo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125651 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 04:50:12 +00:00
Rafael Espindola
908159b46a Gas is very inconsistent about when a relaxation/relocation is needed. Do 
the right thing and stop trying to copy it. Fixes PR8944.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125648 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 03:25:55 +00:00
Eric Christopher
169e1552e7 The change for PR9190 wasn't quite right. We need to avoid making the 
transformation if we can't legally create a build vector of the correct
type. Check that we can make the transformation first, and add a TODO to
refactor this code with similar cases.

Fixes: PR9223 and rdar://9000350


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125631 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 01:10:03 +00:00
Eric Christopher
f621e3b6d6 Add testcase for PR9190. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125630 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 01:08:31 +00:00
Rafael Espindola
7768a9dce1 Add support for pushsection and popsection. Patch by Joerg Sonnenberger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 01:08:29 +00:00
Evan Cheng
e32effb02f Remove a duplicated check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 00:37:02 +00:00
Evan Cheng
5eda282cd1 Some single precision VFP instructions may be executed on NEON pipeline, but not double precision ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125624 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-16 00:35:02 +00:00
Nick Lewycky
8a670edf1b Teach PatternMatch that splat vectors could be floating point as well as 
integer. Fixes PR9228!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125613 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 23:13:23 +00:00
Roman Divacky
738a00eb86 Add support for parsing [expr]. 
This is submitted by Joerg Sonnenberger and fixes his PR8685.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125595 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 20:43:39 +00:00
Jakob Stoklund Olesen
79bb6dd363 Teach ARMLoadStoreOptimizer to remove kill flags from merged instructions as well. 
This is necessary to avoid a crash in certain tangled situations where a kill
flag is first correctly moved to a merged instruction, and then needs to be
moved again:

  STR %R0, a...
  STR %R0<kill>, b...

First becomes:

  STR %R0, b...
  STM a, %R0<kill>, ...

and then:

  STM a, %R0, ...
  STM b, %R0<kill>, ...

We can now remove the kill flag from the merged STM when needed. 8960050.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 19:51:58 +00:00
Devang Patel
d3526eab46 Ignore DBG_VALUE machine instructions while constructing instruction ranges based on location info. 
Machine instruction range consisting of only DBG_VALUE MIs only contributes consecutive labels in assembly output, which is harmless, and empty scope entry in DebugInfo, which confuses debugger tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125577 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:56:09 +00:00
Argyrios Kyrtzidis
6e31b9b8c3 Implement a function from PathV2 whose definition is missing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125574 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:51:19 +00:00
Devang Patel
fc0569e55a Move DbgInfoPrinter specific utlities inside DbgInfoPrinter.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:36:11 +00:00
Devang Patel
497acb91dc Print function info. Patch by Minjang Kim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125567 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:24:56 +00:00
Duncan Sands
ab4c366274 Spelling fix: consequtive -> consecutive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 09:23:02 +00:00
Argyrios Kyrtzidis
ab8f3fd2e1 When tablegen'ing the clang analyzer checkers: 
-Use the tablegen class name for the checker class name.
-Mark checker packages as hidden/not hidden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125558 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 07:42:16 +00:00
Nadav Rotem
d9e087bbc3 Fix 9216 - Endless loop in InstCombine pass. 
The pattern "A&(A^B) -> A & ~B" recreated itself because ~B is
actually a xor -1.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125557 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 07:13:48 +00:00
Evan Cheng
326d976eb2 Fix thinko. Cmp can be the first instruction in a MBB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 05:00:24 +00:00
Devang Patel
e7394ea9c6 Do not forget DebugLoc! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125547 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 02:02:30 +00:00
Chris Lattner
da1d660aa2 tidy up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 01:56:08 +00:00
Chris Lattner
155ced8092 Minor fixes to tutorial, patch by Benjamin Meyer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:24:32 +00:00
Chris Lattner
04b2f0d99f fix comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125543 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:23:53 +00:00
Chris Lattner
2ca5c8644e convert ConstantVector::get to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:14:00 +00:00
Chris Lattner
04df049014 fix some typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:06:37 +00:00
Bob Wilson
727961a1a3 Remove unused bitvectors that record ARM callee-saved registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 23:40:38 +00:00
Jakob Stoklund Olesen
eb9f040f0d Move more fragments of spill weight calculation into CalcSpillWeights.h 
Simplify the spill weight calculation a bit by bypassing
getApproximateInstructionCount() and using LiveInterval::getSize() directly.
This changes the computed spill weights, but only by a constant factor in each
function. It should not affect how spill weights compare against each other, and
so it shouldn't affect code generation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125530 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 23:15:38 +00:00
Devang Patel
3fc178ffda Do not hoist @llvm.dbg.value. Here, @llvm.dbg.value is "referring" a value that is modified inside loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125529 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 23:03:23 +00:00
Rafael Espindola
5d618ef7f1 Switch llvm to using comdats. For now always use groups with a single 
section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125526 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 22:23:49 +00:00
Bob Wilson
56519aac04 PR9139: Specify ARM/Darwin triple for vector-DAGCombine.ll test. 
The i64_buildvector test in this file relies on the alignment of i64 and
f64 types being the same, which is true for Darwin but not AAPCS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125525 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 22:12:50 +00:00
Evan Cheng
cf75ab5975 Fix PR8854. Track inserted copies to avoid read before write. Sorry, it's hard to reduce a sensible small test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125523 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 21:50:37 +00:00
Bruno Cardoso Lopes
e98d646b11 A fail to match coprocessor number and register number must fail instead of assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125521 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 21:10:33 +00:00
Oscar Fuentes
c08830d46d Add current binary and source directories to the header search list 
for all compiler invocations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125513 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 20:13:58 +00:00
Chris Lattner
7583190422 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 18:15:46 +00:00
Argyrios Kyrtzidis
50a47e93ce Add the ClangSACheckersEmitter tablegen backend which will be used for the clang static analyzer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125493 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 17:58:52 +00:00
Rafael Espindola
9de3a0701a Move broken HasCommonSymbols to ELFWriter.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125490 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 16:51:08 +00:00
Bruno Cardoso Lopes
a2b6e4151b Fix encoding and add parsing support for the arm/thumb CPS instruction: 
- Add custom operand matching for imod and iflags.
- Rename SplitMnemonicAndCC to SplitMnemonic since it splits more than CC
  from mnemonic.
- While adding ".w" as an operand, don't change "Head" to avoid passing the
  wrong mnemonic to ParseOperand.
- Add asm parser tests.
- Add disassembler tests just to make sure it can catch all cps versions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125489 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 13:09:44 +00:00
Chris Lattner
283c8caccd Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:55:32 +00:00
Chris Lattner
2b9bc422a5 add a new ArrayRef class. This is intended to replace the idiom we 
use in many places where we pass a pointer and size to abstract APIs
that can take C arrays, std::vector, SmallVector, etc.  It is to arrays
what StringRef is to strings.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:35:09 +00:00
Chris Lattner
593051b4e2 fix PR9210 by implementing some type legalization logic for 
vector fp conversions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125482 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 06:30:45 +00:00
Chris Lattner
463b3c2a99 fix two comment thinkos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 06:14:42 +00:00
Nick Lewycky
551b6751a0 Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125480 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 06:14:20 +00:00
Cameron Zwarich
1a73cedca0 Add some statistics to StrongPHIElimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125477 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 02:09:18 +00:00
Cameron Zwarich
117be03cc6 Add a statistic to PHIElimination tracking the number of critical edges split. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 02:09:11 +00:00
Chris Lattner
a18da59d40 missed a header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125471 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 22:30:09 +00:00
Chris Lattner
0a9481f44f Enhance ComputeMaskedBits to know that aligned frameindexes 
have their low bits set to zero.  This allows us to optimize
out explicit stack alignment code like in stack-align.ll:test4 when
it is redundant.

Doing this causes the code generator to start turning FI+cst into
FI|cst all over the place, which is general goodness (that is the
canonical form) except that various pieces of the code generator
don't handle OR aggressively.  Fix this by introducing a new
SelectionDAG::isBaseWithConstantOffset predicate, and using it
in places that are looking for ADD(X,CST).  The ARM backend in
particular was missing a lot of addressing mode folding opportunities
around OR.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125470 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 22:25:43 +00:00
Tobias Grosser
eafbe659f8 Adapt docs to '-loopsimplify -> -loop-simplify' change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 20:57:25 +00:00
Chris Lattner
d8c7ff0019 fix thinko :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 19:53:36 +00:00