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Author SHA1 Message Date
Jordy Rose
5bad954019 Unbork Windows build. Thanks, Francois. 
llvm-svn: 137798
 2011-08-17 00:59:50 +00:00
Jordy Rose
c689530acc Use DynamicLibrary instances as a way to get symbols from a specific library. Preparation for upcoming (preliminary) support for plugins for the static analyzer. 
llvm-svn: 137791
 2011-08-17 00:29:32 +00:00
Jim Grosbach
ae9f7f938f Thumb ADD(immediate) parsing support. 
llvm-svn: 137788
 2011-08-16 23:57:34 +00:00
Owen Anderson
ffb049d199 Separate out Thumb1 instructions that need an S bit operand from those that do not, for the purposes of decoding them. 
llvm-svn: 137787
 2011-08-16 23:45:44 +00:00
Eli Friedman
32bc68c480 An additional atomic test; related to r137662. 
llvm-svn: 137786
 2011-08-16 23:29:17 +00:00
Eli Friedman
fc821baad4 Extend the undef ^ undef idiom once more. No testcase: I can't figure out how to actually trigger the codepath in question at the moment, but it might get exposed in the future. 
llvm-svn: 137781
 2011-08-16 22:38:34 +00:00
Jim Grosbach
7a5c6948ca Thumb parsing diagnostics for low-reg requirements on ADD and MOV. 
llvm-svn: 137779
 2011-08-16 22:20:01 +00:00
Devang Patel
630d8ce36b Until now all debug info MDNodes referred to a root MDNode, a compile unit. This simplified handling of these needs in dwarf writer. However, one side effect of this is that during link time optimization all these MDNodes are _not_ uniqued. In other words there will be N number of MDNodes describing "int", "char" and all other types, which would suddenly grow when each object file starts using libraries like STL. 
MDNodes graph structure such that compiler unit keeps track of important MDNodes and update dwarf writer to process mdnodes top-down instead of bottom up.

llvm-svn: 137778
 2011-08-16 22:09:43 +00:00
Eli Friedman
b4733f623f A bunch of misc fixes to SCCPSolver::ResolvedUndefsIn, including a fix to stop 
making random bad assumptions about instructions which are not explicitly listed.  

Includes fix for rdar://9956541, a version of "undef ^ undef should return
0 because it's easier than arguing with users".

llvm-svn: 137777
 2011-08-16 22:06:31 +00:00
Eric Christopher
16a70911af Remove tests that have been obsoleted or migrated to clang/optimizer tests. 
llvm-svn: 137775
 2011-08-16 21:46:25 +00:00
Jim Grosbach
af9f949620 Add missing exit for 'case'. 
llvm-svn: 137774
 2011-08-16 21:42:31 +00:00
Jim Grosbach
850f937ecc Thumb assembly parsing and encoding for ADD(register) instruction. 
llvm-svn: 137759
 2011-08-16 21:34:08 +00:00
Bill Wendling
3e01808007 The resume instruction may throw. Return 'true' in this case. 
llvm-svn: 137757
 2011-08-16 21:15:50 +00:00
Jim Grosbach
3a2466aee5 Move some logic into a helper function and expand the commentary. 
llvm-svn: 137756
 2011-08-16 21:12:37 +00:00
Eli Friedman
e0095e4339 Minor bug in SCCP found by inspection. (I don't think it's possible to hit this with a normal pass pipeline, but fixing for completeness.) 
llvm-svn: 137755
 2011-08-16 21:12:35 +00:00
Jim Grosbach
192f298228 Add testcase for r137746. 
llvm-svn: 137754
 2011-08-16 21:11:21 +00:00
Devang Patel
c6fd34458c Increment debug info version to accommodate upcoming change in debug info node structure. 
llvm-svn: 137751
 2011-08-16 21:00:05 +00:00
Jim Grosbach
06f3a3b427 Tidy up formatting. 
llvm-svn: 137747
 2011-08-16 20:55:41 +00:00
Jim Grosbach
8d67a0e07c ARM thumb assembly parsing for arithmetic flag setting instructions. 
Thumb one requires that many arithmetic instruction forms have an 'S'
suffix. For Thumb2, the whether the suffix is required or precluded depends
on whether the instruction is in an IT block. Use target parser predicates
to check for these sorts of context-sensitive constraints.

llvm-svn: 137746
 2011-08-16 20:45:50 +00:00
Bill Wendling
3d7b8eaa78 Use the getFirstInsertionPt() method instead of getFirstNonPHI + an 'isa<>' 
check for a LandingPadInst.

llvm-svn: 137745
 2011-08-16 20:45:24 +00:00
Bill Wendling
4ad70bfedd Add getFirstInsertionPt() method. 
getFirstInsertionPt() returns an iterator to the first insertion point in a
basic block. This is after all PHIs and any other instruction which is required
to be at the top of the basic block (like LandingPadInst).

llvm-svn: 137744
 2011-08-16 20:42:52 +00:00
Bill Wendling
32612231af I think there was some confusion about what I meant. :-) Replacing the comment. 
llvm-svn: 137743
 2011-08-16 20:41:17 +00:00
Jim Grosbach
3f1d3ff1d4 Prefer diagnostics from target predicate in asm matcher. 
llvm-svn: 137742
 2011-08-16 20:12:35 +00:00
Jim Grosbach
a9a0c62719 Remove unused Target argument from AsmParser construction methods. 
The argument is unused, and is a layering violation in any case.

llvm-svn: 137735
 2011-08-16 18:33:49 +00:00
Jim Grosbach
095a0ae3f3 Remove unused forward declaration. 
llvm-svn: 137734
 2011-08-16 18:31:36 +00:00
Bruno Cardoso Lopes
d64294fb0a Instead of always leaving the work to the generic legalizer when 
there is no support for native 256-bit shuffles, be more smart in some
cases, for example, when you can extract specific 128-bit parts and use
regular 128-bit shuffles for them. Example:

For this shuffle:
  shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32>
                <i32 1, i32 0, i32 7, i32 6>

This was expanded to:
  vextractf128  $1, %ymm1, %xmm2
  vpextrq $0, %xmm2, %rax
  vmovd %rax, %xmm1
  vpextrq $1, %xmm2, %rax
  vmovd %rax, %xmm2
  vpunpcklqdq %xmm1, %xmm2, %xmm1
  vpextrq $0, %xmm0, %rax
  vmovd %rax, %xmm2
  vpextrq $1, %xmm0, %rax
  vmovd %rax, %xmm0
  vpunpcklqdq %xmm2, %xmm0, %xmm0
  vinsertf128 $1, %xmm1, %ymm0, %ymm0
  ret

Now we get:
  vshufpd $1, %xmm0, %xmm0, %xmm0
  vextractf128  $1, %ymm1, %xmm1
  vshufpd $1, %xmm1, %xmm1, %xmm1
  vinsertf128 $1, %xmm1, %ymm0, %ymm0

llvm-svn: 137733
 2011-08-16 18:21:54 +00:00
Devang Patel
28ad105008 Remove unnecessary version check. 
llvm-svn: 137728
 2011-08-16 17:41:41 +00:00
Akira Hatanaka
dcbf455b98 Add test case for r137711. 
llvm-svn: 137725
 2011-08-16 17:32:01 +00:00
Jim Grosbach
90387c44f4 ARM .align NOP padding uses different encoding pre-ARMv6. 
Patch by Kristof Beyls and James Malloy.

llvm-svn: 137723
 2011-08-16 17:06:20 +00:00
Jim Grosbach
445c83b31e Tidy up. Trailing whitespace. 
llvm-svn: 137721
 2011-08-16 16:38:17 +00:00
Nadav Rotem
7b211baed3 Revert r137562 because it caused PR10674 
llvm-svn: 137719
 2011-08-16 14:34:29 +00:00
David Chisnall
cfbcd5cf21 Add a mechanism for optimisation plugins to register passes that all front ends can use without needing to be aware of the plugin (or the plugin be aware of the front end). 
Before 3.0, I'd like to add a mechanism for automatically loading a set of plugins from a config file.  API suggestions welcome...

llvm-svn: 137717
 2011-08-16 13:58:41 +00:00
Rafael Espindola
697b91ccef Remove unimplemented method. Fixes PR10658. 
Thanks to Jonas Gafele for noticing.

llvm-svn: 137716
 2011-08-16 13:53:50 +00:00
NAKAMURA Takumi
83bca4179b cmake/modules/FindBison.cmake: It must be unneeded any more. 
llvm-svn: 137715
 2011-08-16 11:10:54 +00:00
Bill Wendling
3e159bd43d A few places where we want to skip the landingpad instruction for insertion. 
llvm-svn: 137712
 2011-08-16 04:52:55 +00:00
Akira Hatanaka
12df91513e Fix handling of double precision loads and stores when Mips1 is targeted. 
Mips1 does not support double precision loads or stores, therefore two single
precision loads or stores must be used in place of these instructions. This 
patch treats double precision loads and stores as if they are legal
instructions until MCInstLowering, instead of generating the single precision
instructions during instruction selection or Prolog/Epilog code insertion.

Without the changes made in this patch, llc produces code that has the same 
problem described in r137484 or bails out when
MipsInstrInfo::storeRegToStackSlot or loadRegFromStackSlot is called before
register allocation.

llvm-svn: 137711
 2011-08-16 03:51:51 +00:00
Akira Hatanaka
d8865ea155 Define function MipsMCInstLower::LowerOperand. 
llvm-svn: 137707
 2011-08-16 02:21:03 +00:00
Akira Hatanaka
1e1909b7c8 Add parameter Offset to MipsMCInstLower::LowerSymbolOperand. 
llvm-svn: 137706
 2011-08-16 02:15:03 +00:00
Eli Friedman
6e402678c8 Fix test. 
llvm-svn: 137703
 2011-08-16 01:42:56 +00:00
Eli Friedman
66e399697a Revert a bit of r137667; the logic in question can safely handle atomic load/store. 
llvm-svn: 137702
 2011-08-16 01:28:22 +00:00
Eric Christopher
a1ecf16bfd Migrate this test from llvm/test/FrontendC++/ptr-to-method-devirt.cpp and 
FileCheckize. It is more properly an optimizer test.

llvm-svn: 137700
 2011-08-16 01:17:17 +00:00
Eli Friedman
f969dabf83 After talking with Bill, it seems like the LandingPad handling here is likely 
to be wrong (or at least somewhat suspect).  Leave a FIXME for Bill.

llvm-svn: 137694
 2011-08-16 00:41:37 +00:00
Eli Friedman
eb7e5209e5 Minor comment fixes. 
llvm-svn: 137693
 2011-08-16 00:20:11 +00:00
Eli Friedman
6a475e691d Update SimplifyCFG for atomic operations. 
This commit includes a mention of the landingpad instruction, but it's not
changing the behavior around it.  I think the current behavior is correct,
though.  Bill, can you double-check that?

llvm-svn: 137691
 2011-08-15 23:59:28 +00:00
Eli Friedman
f0e7c084ea Add comments and test for atomic load/store and mem2reg. 
llvm-svn: 137690
 2011-08-15 23:55:52 +00:00
Devang Patel
00c82827ab Refactor. 
llvm-svn: 137689
 2011-08-15 23:47:24 +00:00
Owen Anderson
6549866051 Add a test file for Thumb2 NEON. 
llvm-svn: 137687
 2011-08-15 23:42:20 +00:00
Owen Anderson
2e722e7cd4 Specify a necessary fixed bit for VLD3DUP, and otherwise rearrange the Thumb2 NEON decoding hooks to bring us closer to correctness. 
llvm-svn: 137686
 2011-08-15 23:38:54 +00:00
Bruno Cardoso Lopes
f026c60f3d While I'm here, remove the "_alt" hacks to a series of INSERT_SUBREG and 
also add the AVX versions of the 128-bit patterns

llvm-svn: 137685
 2011-08-15 23:36:51 +00:00
Bruno Cardoso Lopes
1e817d1451 Reorder declarations of vmovmskp* and also put the necessary AVX 
predicate and TB encoding fields. This fix the encoding for the
attached testcase. This fixes PR10625.

llvm-svn: 137684
 2011-08-15 23:36:45 +00:00