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10149 Commits

Author SHA1 Message Date
Torok Edwin
3f142c36ad Implement -mno-sse: if SSE is disabled on x86-64, don't store XMM on stack for 
var-args, and don't allow FP return values


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-01 18:15:56 +00:00
Duncan Sands
b0d5cdd52e Fix PR3453 and probably a bunch of other potential 
crashes or wrong code with codegen of large integers:
eliminate the legacy getIntegerVTBitMask and
getIntegerVTSignBit methods, which returned their
value as a uint64_t, so couldn't handle huge types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-01 18:06:53 +00:00
Dale Johannesen
7d2ad624fa Make LowerCallTo and LowerArguments take a DebugLoc 
argument.  Adjust all callers and overloaded versions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 23:10:59 +00:00
Bill Wendling
7581bfa275 Get rid of the non-DebugLoc-ified getNOT() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63442 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 23:03:19 +00:00
Sanjiv Gupta
5af3ee2818 Fixed the comment. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63387 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 09:01:44 +00:00
Sanjiv Gupta
e0ffc92508 Use sublw for comparison with literals instead of subwf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 07:55:25 +00:00
Mon P Wang
7ad9b51278 When PerformBuildVectorCombine, avoid creating a X86ISD::VZEXT_LOAD of 
an illegal type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 07:07:40 +00:00
Sanjiv Gupta
c8d7bc850d Enable emitting of constant values in non-default address space as well. The APIs emitting constants now take an additional parameter signifying the address space in which to emit. The APIs like getData8BitsDirective() etc are made virtual enabling targets to be able to define appropirate directivers for various sizes and address spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63377 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-30 04:25:10 +00:00
Dan Gohman
e5af2d3a22 Make x86's BT instruction matching more thorough, and add some 
dagcombines that help it match in several more cases. Add
several more cases to test/CodeGen/X86/bt.ll. This doesn't
yet include matching for BT with an immediate operand, it
just covers more register+register cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63266 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-29 01:59:02 +00:00
Mon P Wang
e91a000889 Fixed lowering of v816 shuffles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 23:11:14 +00:00
Duncan Sands
1465d61bdd Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 13:14:17 +00:00
Evan Cheng
1632782fe9 The memory alignment requirement on some of the mov{h|l}p{d|s} patterns are 16-byte. That is overly strict. These instructions read / write f64 memory locations without alignment requirement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 08:35:02 +00:00
Mon P Wang
3becd093cc Add shuffle splat pattern for x86 sse shifts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63193 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 08:12:05 +00:00
Evan Cheng
d1e7d9a88b Suppress a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63161 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-28 00:53:34 +00:00
Anton Korobeynikov
72bb40229e Treat [1 x i8] zeroinitializer as a C string, placing such stuff into 
mergeable string section. I don't see any bad impact of such decision
(rather then placing it into mergeable const section, as it was before),
but at least Darwin linker won't complain anymore.

The problem in LLVM is that we don't have special type for string constants
(like gcc does). Even more, we have two separate types: ConstatArray for non-null
strings and ConstantAggregateZero for null stuff.... It's a bit weird :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 22:29:24 +00:00
Dan Gohman
d3f184906d Reformat the allocation-order arrays to a more conventional style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63121 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 19:25:38 +00:00
Dan Gohman
9e79091f1a Respect the DisableRedZone flag on PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63119 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 19:19:28 +00:00
Dan Gohman
c03e9a1040 Simplify findNonImmUse; return the result using the return value 
instead of via a by-reference argument. No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 19:04:30 +00:00
Evan Cheng
6a86bd71df Implement multiple with overflow by 2 with an add instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 03:30:42 +00:00
Dan Gohman
e8ecf4876a Eliminate unnecessary operands-list traversals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 02:37:43 +00:00
Dan Gohman
499cb3fcfb Enable the red zone on x86-64 by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:58:47 +00:00
Dan Gohman
336b636dd7 Fix the Red Zone calculation for functions with frame pointers. 
Don't use the Red Zone when dynamic stack realignment is needed.
This could be implemented, but most x86-64 ABIs don't require
dynamic stack realignment so it isn't urgent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:40:06 +00:00
Scott Michel
9de57a9ed2 CellSPU: 
- Update DWARF debugging support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63059 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:33:37 +00:00
Scott Michel
210de72cd7 Make the Dwarf macro information section optional; CellSPU's assembler 
doesn't support it. The default is set to 'true', so this should not
impact any other target backends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:32:51 +00:00
Dan Gohman
92f4f16a19 Implement Red Zone utilization on x86-64. This is currently 
disabled by default; I'll enable it when I hook it up with
the llvm-gcc flag which controls it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:22:31 +00:00
Evan Cheng
5b2e5893c6 Enhance logic in X86DAGToDAGISel::PreprocessForRMW which move load inside callseq_start to allow it to be folded into a call. It was not considering the cases where a token factor is between the load and the callseq_start. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 18:43:34 +00:00
Dan Gohman
e7852d0144 Take the next steps in making SDUse more consistent with LLVM Use, and 
tidy up SDUse and related code.
 - Replace the operator= member functions with a set method, like
   LLVM Use has, and variants setInitial and setNode, which take
   care up updating use lists, like LLVM Use's does. This simplifies
   code that calls these functions.
 - getSDValue() is renamed to get(), as in LLVM Use, though most
   places can either use the implicit conversion to SDValue or the
   convenience functions instead.
 - Fix some more node vs. value terminology issues.

Also, eliminate the one remaining use of SDOperandPtr, and
SDOperandPtr itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62995 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 04:35:06 +00:00
Scott Michel
19c10e658a Untabify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:37:41 +00:00
Scott Michel
c9c8b2a804 CellSPU: 
- Rename fcmp.ll test to fcmp32.ll, start adding new double tests to fcmp64.ll
- Fix select_bits.ll test
- Capitulate to the DAGCombiner and move i64 constant loads to instruction
  selection (SPUISelDAGtoDAG.cpp).

  <rant>DAGCombiner will insert all kinds of 64-bit optimizations after
  operation legalization occurs and now we have to do most of the work that
  instruction selection should be doing twice (once to determine if v2i64
  build_vector can be handled by SelectCode(), which then runs all of the
  predicates a second time to select the necessary instructions.) But,
  CellSPU is a good citizen.</rant>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:31:40 +00:00
Nate Begeman
5bf4b7556f Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:15:54 +00:00
Nate Begeman
c2fd67f697 De-identifying per sabre review 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:15:31 +00:00
Nate Begeman
51a0437b16 Map address space 256 to gs; similar mappings could be supported for the 
other x86 segments.  address space 0 is stack/default, 1-255 are reserved for
client use.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 01:24:32 +00:00
Nate Begeman
740ab03f12 Support pattern matching various x86 sse shifts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 00:52:55 +00:00
Chris Lattner
4469c53cfc silence a warning when assertions are disabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62976 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 23:08:00 +00:00
Torok Edwin
afb564c697 should have removed the + when manually applying a patch! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 20:29:34 +00:00
Torok Edwin
c8ad2d2abf revert this patch for now, because Codegen does still want to generate SSE code, 
for example in the case of va-args. XFAIL associated tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 20:21:24 +00:00
Torok Edwin
7f1d5252c7 If user explicitly asks not to use SSE, don't force it. This fixes LLVM part of PR3402. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62967 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 17:58:56 +00:00
Evan Cheng
1902a129a5 Private linkage support for PPC / Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62955 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-25 06:32:01 +00:00
Nate Begeman
9b99485074 Fix an indent and a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62940 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-24 22:12:48 +00:00
Torok Edwin
e46a686dc2 add note about possible GEP improvement with fields of size 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-24 19:30:25 +00:00
Chris Lattner
91387de8ce hopefully address PR3379 by making the P modifier work in x86 inline asm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62887 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-23 22:33:40 +00:00
Bob Wilson
4c24546238 Add SelectionDAG::getNOT method to construct bitwise NOT operations, 
corresponding to the "not" and "vnot" PatFrags.  Use the new method
in some places where it seems appropriate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 17:39:32 +00:00
Evan Cheng
536ab130ec Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 09:10:11 +00:00
Chris Lattner
256baa4b1f add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62760 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 07:16:03 +00:00
Dan Gohman
dbf5f2557e Recognize inline asm for bswap on x86-64 GLIBC. This allows it 
to be supported in the JIT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62730 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 23:40:54 +00:00
Evan Cheng
a095c972cc Also favors NOT64r. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62710 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 19:45:31 +00:00
Chris Lattner
0f2d995fd6 fix warning in release-asserts mode and spelling of assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 18:38:18 +00:00
Dan Gohman
1ef4d8f7ee Fix a recent regression. ClrOpcode is not set for i8; for i8, if 
we want to clear %ah to zero before a division, just use a
zero-extending mov to %al. This fixes PR3366.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62691 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 14:50:16 +00:00
Sanjiv Gupta
2530566acd Fixed build warnings. Restoring changes done in 62600, they were lost in 62655. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62681 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 09:02:46 +00:00
Duncan Sands
9fbc7e2e7a Cleanup whitespace and comments, and tweak some 
prototypes, in operand type legalization.  No
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-21 09:00:29 +00:00