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69517 Commits

Author SHA1 Message Date
Nick Lewycky aaf401241a Add a doxygen comment for this class. 
llvm-svn: 124480
 2011-01-28 08:19:00 +00:00
Nick Lewycky 564fcca856 Reorder for readability. (Chris, is this what you meant?) 
llvm-svn: 124479
 2011-01-28 07:36:21 +00:00
Evan Cheng aaa9606b2f Revert r124462. There are a few big regressions that I need to fix first. 
llvm-svn: 124478
 2011-01-28 07:12:38 +00:00
Nick Lewycky c5eb3733f7 Reduce the number of functions we look at in the first pass, and preallocate 
the function equality set.

llvm-svn: 124475
 2011-01-28 05:48:15 +00:00
Nick Lewycky db34be0e31 Clean up the tests a little, make sure we match an instruction in the right 
test.

llvm-svn: 124473
 2011-01-28 05:13:17 +00:00
Nick Lewycky 0af77fd45b Fix build with stdcxx by using llvm::next. Patch by Joerg Sonnenberger! 
llvm-svn: 124472
 2011-01-28 04:00:15 +00:00
Rafael Espindola 2f72a84284 Add a triple. 
llvm-svn: 124471
 2011-01-28 03:57:55 +00:00
Nick Lewycky 6593e6eaf6 Add missing include for ptrdiff_t. Patch by Joerg Sonnenberger! 
llvm-svn: 124470
 2011-01-28 03:52:25 +00:00
Nick Lewycky b074e32641 Fold select + select where both selects are on the same condition. 
llvm-svn: 124469
 2011-01-28 03:28:10 +00:00
Rafael Espindola 6c17d54891 Print the visibility of declarations. 
llvm-svn: 124468
 2011-01-28 03:20:10 +00:00
Nico Weber 4ada0d9164 PR8951: Support for .equiv in integrated assembler, patch by Jörg Sonnenberger! 
llvm-svn: 124467
 2011-01-28 03:04:41 +00:00
Evan Cheng 417fca86c4 - Stop simplifycfg from duplicating "ret" instructions into unconditional 
branches. PR8575, rdar://5134905, rdar://8911460.
- Allow codegen tail duplication to dup small return blocks after register
  allocation is done.

llvm-svn: 124462
 2011-01-28 02:19:21 +00:00
Evan Cheng bb8420a070 Fix PLD encoding. 
llvm-svn: 124458
 2011-01-27 23:48:34 +00:00
Kevin Enderby e9f2f0cb0b Changed llvm-mc arm target to give an error if .syntax divided is used. Since 
only .syntax unified is supported.

llvm-svn: 124454
 2011-01-27 23:22:36 +00:00
Bob Wilson f9bab3a47a Fix a comment typo. 
llvm-svn: 124450
 2011-01-27 23:08:52 +00:00
Oscar Fuentes 800a2afbb3 Use the paths to libffi's header and library even when no custom 
location was stated with FFI_INCLUDE_DIR/FFI_LIBRARY_DIR.

llvm-svn: 124449
 2011-01-27 22:58:34 +00:00
David Greene 34f7c0d8aa [AVX] Clean up the code to configure target lowering for AVX. Specify 
how to lower more/new operations.  This is a prerequisite for adding
additional AVX lowering.

llvm-svn: 124447
 2011-01-27 22:38:56 +00:00
Andrew Trick c0ca67601a Remove a temporary workaround for a lencod miscompile. Depends on the fix in r124442. 
llvm-svn: 124443
 2011-01-27 21:28:51 +00:00
Andrew Trick 13bb644fdd VirtRegRewriter fix: update kill flags, which are used by the scavenger. 
rdar://problem/8893967: JM/lencod miscompile at -arch armv7 -mthumb -O3

Added ResurrectKill to remove kill flags after we decide to reused a
physical register. And (hopefully) ensure that we call it in all the
right places.

Sorry, I'm not checking in a unit test given that it's a miscompile I
can't reproduce easily with a toy example. Failures in the rewriter
depend on a series of heuristic decisions maked during one of the many
upstream phases in codegen. This case would require coercing regalloc
to generate a couple of rematerialzations in a way that causes the
scavenger to reuse the same register at just the wrong point.

The general way to test this is to implement kill flags
verification. Then we could have a simple, robust compile-only unit
test. That would be worth doing if the whole pass was not about to
disappear. At this point we focus verification work on the next
generation of regalloc.

llvm-svn: 124442
 2011-01-27 21:26:43 +00:00
Douglas Gregor dd02d62594 Clang: separate the access-control diagnostics from other diagnostics that do not have SFINAE behavior. 
llvm-svn: 124440
 2011-01-27 21:06:17 +00:00
Benjamin Kramer 57e3d65884 Unbreak the build. 
llvm-svn: 124426
 2011-01-27 20:30:54 +00:00
Nick Lewycky e2d46d30ae Expound upon this comparison! 
llvm-svn: 124406
 2011-01-27 19:51:31 +00:00
Nick Lewycky 5a37e950e1 Use dyn_cast instead of isa+cast. 
llvm-svn: 124404
 2011-01-27 19:42:43 +00:00
Oscar Fuentes 632ad9bfe6 Don't show -pedantic, -W and -Wall on the output of 
llvm-config --cflags --cxxflags --cppflags

We shouldn't impose those flags on people who use llvm-config for
building their own projects.

llvm-svn: 124399
 2011-01-27 19:29:48 +00:00
Devang Patel 1cec755494 Speculatively revert r124380. 
llvm-svn: 124397
 2011-01-27 19:15:01 +00:00
Devang Patel 3b266a2780 While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes. 
Take 2. This includes fix for dragonegg crash.

llvm-svn: 124380
 2011-01-27 17:43:53 +00:00
Roman Divacky ed5efb4053 Add support for specifying register name in cfi-register/offset/def 
as well as register number.

llvm-svn: 124379
 2011-01-27 17:16:37 +00:00
Roman Divacky 36b1b47c5a Introduce virtual ParseRegister method in TargetAsmParser. 
Create override of this method in X86/ARM/MBlaze.

llvm-svn: 124378
 2011-01-27 17:14:22 +00:00
Jay Foad 9f32cfd35e Fix indentation. 
llvm-svn: 124375
 2011-01-27 14:44:55 +00:00
Nick Lewycky 0c572ebc46 Add DenseSet::resize for API parity with DenseMap::resize. 
llvm-svn: 124370
 2011-01-27 09:10:42 +00:00
Nick Lewycky 13e04aef2a Fix surprising missed optimization in mergefunc where we forgot to consider 
that relationships like "i8* null" is equivalent to "i32* null".

llvm-svn: 124368
 2011-01-27 08:38:19 +00:00
Chris Lattner 2114b762de Don't infinitely recurse! Patch by Marius Wachtler! 
llvm-svn: 124366
 2011-01-27 07:35:27 +00:00
Bob Wilson 2d69fb4184 Avoid modifying the OneClassForEachPhysReg map while iterating over it. 
Linear scan regalloc is currently assuming that any register aliased with
a member of a regclass must also be in at least one regclass.  That is not
always true.  For example, for X86, RIP is in a regclass but IP is not.
If you're unlucky, this can cause a crash by invalidating the iterator.

llvm-svn: 124365
 2011-01-27 07:26:15 +00:00
Eric Christopher ebd8db7d00 Add a testcase for my last checkin. 
llvm-svn: 124358
 2011-01-27 06:01:17 +00:00
Eric Christopher 331cc5218d Use the incoming VT not the VT of where we're trying to store to determine 
if we can store a value. Also, the exclusion is or, not and.

Fixes rdar://8920247.

llvm-svn: 124357
 2011-01-27 05:44:56 +00:00
NAKAMURA Takumi f3e20b9f0f lib/Target/X86/X86ISelDAGToDAG.cpp: __main should be WINCALL64 on Win64. 
CALL64 marks %xmm* as dead.

llvm-svn: 124354
 2011-01-27 03:20:19 +00:00
Matt Beaumont-Gay a148c59231 Try harder to not have unused variables. 
llvm-svn: 124350
 2011-01-27 02:39:27 +00:00
Matt Beaumont-Gay 0cddbf2bdf Opt-mode -Wunused-variable cleanup 
llvm-svn: 124346
 2011-01-27 01:47:50 +00:00
Devang Patel 92b7077f9e Reapply 124301 
llvm-svn: 124339
 2011-01-27 00:13:27 +00:00
Bill Wendling fb4ee9bbde Initialize variable to get rid of clang warning. 
llvm-svn: 124331
 2011-01-26 22:21:35 +00:00
Jay Foad b0c5e35929 Simplify User::operator delete(). 
llvm-svn: 124330
 2011-01-26 21:56:10 +00:00
Bob Wilson 770681d7b6 Add a MnemonicIsValid method to the asm matcher. 
Patch by Bill Wendling.

llvm-svn: 124328
 2011-01-26 21:43:46 +00:00
Devang Patel b370bf329a Revert 124301. 
llvm-svn: 124327
 2011-01-26 21:41:22 +00:00
Bob Wilson 2c1562ebd3 Fix spelling of CouldMatchAmbiguouslyWith method name. 
llvm-svn: 124324
 2011-01-26 21:26:21 +00:00
Bob Wilson f4ee9e515c Whitespace and 80-column fixes. 
llvm-svn: 124323
 2011-01-26 21:26:19 +00:00
Devang Patel 084e0628e0 Revert r124302 
llvm-svn: 124320
 2011-01-26 21:12:32 +00:00
Bill Wendling 5a13d4fa8f Add support for printing out floating point values from the ARM assembly 
parser. The parser will always give us a binary representation of the floating
point number.

llvm-svn: 124318
 2011-01-26 20:57:43 +00:00
Bob Wilson b9b2422e89 Improve the AsmMatcher's ability to handle suboperands. 
When an operand class is defined with MIOperandInfo set to a list of
suboperands, the AsmMatcher has so far required that operand to also define
a custom ParserMatchClass, and InstAlias patterns have not been able to
set the individual suboperands separately.  This patch removes both of those
restrictions.  If a "compound" operand does not override the default
ParserMatchClass, then the AsmMatcher will now parse its suboperands
separately.  If an InstAlias operand has the same class as the corresponding
compound operand, then it will be handled as before; but if that check fails,
TableGen will now try to match up a sequence of InstAlias operands with the
corresponding suboperands.

llvm-svn: 124314
 2011-01-26 19:44:55 +00:00
Eric Christopher cd55a46c31 Temporarily revert 124275 to see if it brings the dragonegg buildbot back. 
llvm-svn: 124312
 2011-01-26 19:40:31 +00:00
Devang Patel 1c7bd7f481 - Do not try to print nameless variable's info. 
- Print a summary of breakpoints in the beginning.

llvm-svn: 124308
 2011-01-26 19:14:14 +00:00