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Author SHA1 Message Date
Kevin Enderby
8a3030c6af Added a few tweaks to the Intel Descriptor-table support instructions to allow 
word forms and suffixed versions to match the darwin assembler in 32-bit and
64-bit modes.  This is again for use just with assembly source for llvm-mc .

llvm-svn: 116773
 2010-10-19 00:01:44 +00:00
Jim Grosbach
10fd33ecfc ARM encoding information for [SU]SAT* instructions. 
llvm-svn: 116768
 2010-10-18 23:35:38 +00:00
Dan Gohman
8b332ffb8c Make the representation of AliasSets explicitly differentiate 
between "not known yet" and "known no tbaa info" so that it
can merge them properly.

llvm-svn: 116767
 2010-10-18 23:31:47 +00:00
Chandler Carruth
524faec5da Add a virtual destructor to silence a GCC warning. 
llvm-svn: 116766
 2010-10-18 23:18:51 +00:00
Eric Christopher
5850afe5f2 Revert r116220 - thus turning arm fast isel back on by default. 
llvm-svn: 116762
 2010-10-18 22:53:53 +00:00
Jason W Kim
1f55cad0e3 Get rid of unneeded FormatOutput global variable 
llvm-svn: 116756
 2010-10-18 21:59:38 +00:00
Daniel Dunbar
f5c3546f2b CrashRecoveryContext: Add missing return, so that the signal fires after we our 
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

llvm-svn: 116755
 2010-10-18 21:55:18 +00:00
Jason W Kim
a60bcd8bb1 Changed elf-dump to output hex format by default. 
Also updated tests. 

llvm-svn: 116753
 2010-10-18 21:32:41 +00:00
Dan Gohman
6efd04961b Don't pass the raw invalid pointer used to represent conflicting 
TBAA information to AliasAnalysis.

llvm-svn: 116751
 2010-10-18 21:28:00 +00:00
Bill Wendling
3b3d9aaa86 Don't recompute MachineRegisterInfo in the Optimize* method. 
llvm-svn: 116750
 2010-10-18 21:22:31 +00:00
Mikhail Glushenkov
48553997d2 Trailing whitespace. 
llvm-svn: 116749
 2010-10-18 21:16:00 +00:00
Dan Gohman
ed8fc1b23f Add a basic testcase for TBAA-aware LICM. 
llvm-svn: 116745
 2010-10-18 21:00:09 +00:00
Rafael Espindola
9a98116bb7 Implement R_386_GOT32. 
llvm-svn: 116744
 2010-10-18 20:47:21 +00:00
Dan Gohman
64affb7be2 Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM. 
llvm-svn: 116743
 2010-10-18 20:44:50 +00:00
Rafael Espindola
c75defe576 Relocate with .bss instead of using the symbol. Matches gas behavior. 
llvm-svn: 116741
 2010-10-18 20:25:33 +00:00
Rafael Espindola
6504490709 Reenable assert. 
llvm-svn: 116738
 2010-10-18 19:33:01 +00:00
Devang Patel
dbe2dbee5b Transfer debug loc to lowered call. 
Patch by Alexander Herz!

llvm-svn: 116733
 2010-10-18 18:53:44 +00:00
Dan Gohman
df5c887e86 Add TypeBasedAliasAnalysis to the standard pass lists. Note that it 
is currently inert by default.

llvm-svn: 116732
 2010-10-18 18:50:27 +00:00
Dan Gohman
2427af80d1 Run tbaa before basicaa, since that's how it's expected to be used. 
llvm-svn: 116731
 2010-10-18 18:45:59 +00:00
Dan Gohman
35def103f7 Fix BasicAA to pass TBAAInfo through to the chained analysis. 
llvm-svn: 116730
 2010-10-18 18:45:11 +00:00
Jim Grosbach
ffb06eda57 For Thumb2, try to use frame pointer references for stack slots even when a 
base register is available. rdar://8525298

llvm-svn: 116729
 2010-10-18 18:39:46 +00:00
Rafael Espindola
7cc236c87f Produce ELF::R_386_GOTPC relocations. 
llvm-svn: 116728
 2010-10-18 18:36:12 +00:00
Dan Gohman
7820328076 Make TypeBasedAliasAnalysis default to doing nothing, with a command-line 
option to enable it.

llvm-svn: 116722
 2010-10-18 18:17:47 +00:00
Dan Gohman
97f3b0cac1 Use chaining in TypeBasedAliasAnalysis::pointsToConstantMemory. 
llvm-svn: 116721
 2010-10-18 18:10:31 +00:00
Dan Gohman
6aff5b94ff Make BasicAliasAnalysis a normal AliasAnalysis implementation which 
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.

llvm-svn: 116720
 2010-10-18 18:04:47 +00:00
Rafael Espindola
d74116b1e8 Make the bots happy. 
llvm-svn: 116719
 2010-10-18 18:03:28 +00:00
Kevin Enderby
cb18d38b76 Added a handful of x86-32 instructions that were missing so that llvm-mc would 
be more complete.  These are only expected to be used by llvm-mc with assembly
source so there is no pattern, [], in the .td files.  Most are being added to
X86InstrInfo.td as Chris suggested and only comments about register uses are
added.  Suggestions welcome on the .td changes as I'm not sure on every detail
of the x86 records.  More missing instructions will be coming.

llvm-svn: 116716
 2010-10-18 17:04:36 +00:00
Rafael Espindola
bf9107e924 Produce a R_386_PLT32 when needed. Moved the default cases of switches to the 
start for consistency.

llvm-svn: 116715
 2010-10-18 16:58:03 +00:00
Jim Grosbach
3e41568604 ARM addrmode4 instructions (ldm, stm and friends) can't encode an immediate 
offset for stack references. Make sure we take that into account when
deciding whether to reserver an emergency spill slot for the register
scavenger. rdar://8559625

llvm-svn: 116714
 2010-10-18 16:48:59 +00:00
Jim Grosbach
f93e92a4c1 Grammar tweak. 
llvm-svn: 116712
 2010-10-18 16:38:50 +00:00
Rafael Espindola
4a7459403a Handle GOTOFF correctly on i386. 
llvm-svn: 116711
 2010-10-18 16:38:04 +00:00
Jim Grosbach
315bb0cf2b Trivial grammar tweak. 
llvm-svn: 116710
 2010-10-18 16:29:26 +00:00
Kalle Raiskila
3cdfdd9383 Improve lowering of sext to i128 on SPU. 
The old algorithm inserted a 'rotqmbyi' instruction which was
both redundant and wrong - it made shufb select bytes from the
wrong end of the input quad.

llvm-svn: 116701
 2010-10-18 09:34:19 +00:00
Eric Christopher
e453bd6697 Remove the check for invalid calling conventions. Testing shows that they're 
working just fine.

llvm-svn: 116698
 2010-10-18 06:49:12 +00:00
Eric Christopher
6287738105 Lift arg promotion from the X86 backend. This should be unified at some point. 
llvm-svn: 116694
 2010-10-18 02:17:53 +00:00
Eric Christopher
79c2206640 Now that we handle all allocas via a non-SP reg offset remove all of the 
special case handling for ARM::SP.

llvm-svn: 116688
 2010-10-17 11:08:44 +00:00
Benjamin Kramer
9248e59b35 std::string cleanup. 
llvm-svn: 116686
 2010-10-17 07:39:34 +00:00
Benjamin Kramer
e8c2e82a84 Fix a typo and silence unused variable warnings in -Asserts build. 
llvm-svn: 116685
 2010-10-17 07:38:40 +00:00
Eric Christopher
d99f79f92b Allow more load types to be materialized through the allocas. 
llvm-svn: 116683
 2010-10-17 06:07:26 +00:00
Oscar Fuentes
a6ffccab95 Build with RTTI and exceptions disabled. Only in GCC for now. 
llvm-svn: 116682
 2010-10-17 02:26:16 +00:00
Eric Christopher
5fcaab5d0e Optimize GEP off of intermediate allocas. 
llvm-svn: 116681
 2010-10-17 01:51:42 +00:00
Eric Christopher
20bbcbeceb Fix comment. 
llvm-svn: 116680
 2010-10-17 01:42:53 +00:00
Eric Christopher
d9b4b47b9a Turn on AddOperator folding in GEP. 
llvm-svn: 116679
 2010-10-17 01:41:46 +00:00
Eric Christopher
490f82bc32 Use the i12 immediate versions of the load instructions - they're handled 
more in the post-passes.

llvm-svn: 116678
 2010-10-17 01:40:27 +00:00
Rafael Espindola
be5c52d2dc Add a MCObjectFormat class so that code common to all targets that use a 
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
 2010-10-16 18:23:53 +00:00
Benjamin Kramer
9c262b21b2 Hack around incompatible pointer warnings. 
llvm-svn: 116671
 2010-10-16 15:43:02 +00:00
Benjamin Kramer
a0e156fe6d Eliminate some calls to Value::getNameStr. 
llvm-svn: 116670
 2010-10-16 11:28:23 +00:00
Benjamin Kramer
9c81b592e7 Unbreak test on non-COFF targets. 
llvm-svn: 116669
 2010-10-16 11:27:13 +00:00
Michael J. Spencer
f9a7c39ecc MC-COFF: Add support for default-null weak externals. 
llvm-svn: 116666
 2010-10-16 08:25:57 +00:00
Michael J. Spencer
e57b670425 X86-Windows: Emit an undefined global __fltused symbol when targeting Windows 
if any floating point arguments are passed to an external function.

llvm-svn: 116665
 2010-10-16 08:25:41 +00:00