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Author SHA1 Message Date
Nate Begeman
95743d8748 Add the minimal amount of smarts necessary to instcombine of shufflevectors to recognize 
patterns generated by clang for transpose of a matrix in generic vectors.  This is made
of two parts:

1) Propagating vector extracts of hi/lo half into their users
2) Recognizing an insertion of even elements followed by the odd elements as an unpack.

Testcase to come, but this shrinks the # of shuffle instructions generated on x86 from ~40 to the minimal 8.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 21:38:12 +00:00
Bill Wendling
75486dbf4e Turn optimize compares back on with fix. We needed to test that a machine op was 
a register before checking if it was defined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 21:38:11 +00:00
Jakob Stoklund Olesen
a516e94cf1 Give up on register class recalculation when the register is used with subreg 
operands. We don't currently have a hook to provide "the largest super class of
A where all registers' getSubReg(subidx) is valid and in B".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110730 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 21:16:16 +00:00
Dan Gohman
a8c58a6f59 Revert r110718; it broke clang-i386-darwin9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:49:33 +00:00
Jakob Stoklund Olesen
b67b12ea64 Avoid editing the current live interval during remat. 
The live interval may be used for a spill slot as well, and that spill slot
could be shared by split registers. We cannot shrink it, even if we know the
current register won't need the spill slot in that range.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:45:07 +00:00
Jakob Stoklund Olesen
987eeccb61 More debug spew 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:45:01 +00:00
Bill Wendling
a54e3cddce Turn optimize cmps on by default so that we can get some testing by the nightly 
ARM testers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:23:02 +00:00
Devang Patel
6bf058c9aa Add missing argument. CreateCompositeTypeEx() users, please verify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:22:49 +00:00
Owen Anderson
9f01406179 Switch over to using ConstantRange to track integral values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:03:09 +00:00
Devang Patel
e7e5a0f6fb Do not forget debug info for enums. Use named mdnode to keep track of these types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:01:20 +00:00
Daniel Dunbar
1321fec0a6 tests: Don't error out if HOME isn't present in t the environment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 19:36:25 +00:00
Evan Cheng
5818032521 Delete some unused instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 19:36:22 +00:00
Evan Cheng
ac096808a3 Re-apply r110655 with fixes. Epilogue must restore sp from fp if the function stack frame has a var-sized object. 
Also added a test case to check for the added benefit of this patch: it's optimizing away the unnecessary restore of sp from fp for some non-leaf functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 19:30:19 +00:00
Rafael Espindola
98197e55c1 Make it possible to set the flags passed to the assembler. 
Nick, please review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 18:55:09 +00:00
Jakob Stoklund Olesen
9db3ea46cb Implement register class inflation. 
When splitting a live range, the new registers have fewer uses and the
permissible register class may be less constrained. Recompute the register class
constraint from the uses of new registers created for a split. This may let them
be allocated from a larger set, possibly avoiding a spill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 18:37:40 +00:00
Daniel Dunbar
4bd828f781 Revert r110655, "Fix ARM hasFP() semantics. It should return true whenever FP 
register is", it breaks a couple test-suite tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110701 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 18:32:02 +00:00
Daniel Dunbar
e25c6b95ce MC/AsmParser: Fix a bug in macro argument parsing, which was dropping 
parentheses from argument lists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 17:38:52 +00:00
Bob Wilson
1b73052140 Install llvmCore_Sim to the simulator SDK directory. Radar 8282845. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 17:13:58 +00:00
Jakob Stoklund Olesen
08e93b14c3 Recalculate the spill weight and allocation hint for virtual registers created 
during live range splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110686 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 17:07:22 +00:00
Jakob Stoklund Olesen
dc0830947a Fix test for more architectures. Patch by Tobias Grosser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 16:48:24 +00:00
Rafael Espindola
15af387bff Fix silly bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 16:32:15 +00:00
Michael J. Spencer
b0f3b3e7de Revert "MC/MachO: Fix possible null pointer dereference." 
This reverts commit 110575.

Target.isAbsolute() is true if SD would be null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110683 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 16:00:49 +00:00
Rafael Espindola
866aa0d742 Use RunPassesOn as in the rest of bugpoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110682 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 15:46:11 +00:00
Mikhail Glushenkov
6455384fc1 Simplify generating LLVMC_BUILTIN_PLUGIN. 
Patch by NAKAMURA Takumi!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 14:49:29 +00:00
Mikhail Glushenkov
1e67278dd5 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110679 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 14:49:24 +00:00
Chandler Carruth
0db86fe097 Mark this variable as used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 10:39:25 +00:00
Tobias Grosser
73362c820b RegionInfo: Do not assert if a BB is not part of the dominance tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 09:54:35 +00:00
Tobias Grosser
0e28b1507f Fix failing testcase. 
Those look like typos to me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 09:54:29 +00:00
Devang Patel
2936807564 Handle TAG_constant for integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 07:11:13 +00:00
Evan Cheng
c9aed19747 Fix ARM hasFP() semantics. It should return true whenever FP register is 
reserved, not available for general allocation. This eliminates all the
extra checks for Darwin.

This change also fixes the use of FP to access frame indices in leaf
functions and cleaned up some confusing code in epilogue emission.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 06:26:49 +00:00
Bill Wendling
94f7950e4d Update CMake...sorry for the breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 05:16:06 +00:00
Devang Patel
ecbd8e866b Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 04:12:17 +00:00
Devang Patel
85e9580e25 Drop "const". It does not add value here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 04:09:06 +00:00
Bruno Cardoso Lopes
9f798e9a9e Add AVX movnt{pd,ps,dq} 256-bit intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 02:49:24 +00:00
Evan Cheng
c120af4567 Add missing null check reported by Amaury Pouly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110649 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 02:39:45 +00:00
Bruno Cardoso Lopes
fcfcca1d9b Add AVX movmsk 256-bit intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 02:34:56 +00:00
Bruno Cardoso Lopes
0115387005 Remove replicate intrinsics, clang will generate shufflevector for those. The shuffles can't be matched by x86 codegen yet, but will soon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 02:25:35 +00:00
Bruno Cardoso Lopes
405f11b300 Support AVX 256-bit load and store intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 01:43:16 +00:00
Bruno Cardoso Lopes
77497bf196 Use i32 instead of i8 for dot product intrinsic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 01:40:05 +00:00
Devang Patel
9fa539ce33 Do not include file static variable in pubnames list. 
Refactor and simplify code to avoid redundant checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 01:37:23 +00:00
Dan Gohman
bd2499a0b1 Expand uses of python 2.6's "A if B else C" syntax into regular 
if-else statements, to hopefully support older pythons (PR7850).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 01:03:34 +00:00
Chris Lattner
60e72d9ebc remove code setting rw locks to PTHREAD_PROCESS_PRIVATE, which 
is the default.  Patch by NAKAMURA Takumi!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 00:34:06 +00:00
Bruno Cardoso Lopes
6719784148 Patterns to match AVX cmp instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110633 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 00:13:20 +00:00
Jakob Stoklund Olesen
df30cf9e61 Transpose the calculation of spill weights such that we are calculating one 
register at a time. This turns out to be slightly faster than iterating over
instructions, but more importantly, it allows us to compute spill weights for
new registers created after the spill weight pass has run.

Also compute the allocation hint at the same time as the spill weight. This
allows us to use the spill weight as a cost metric for copies, and choose the
most profitable hint if there is more than one possibility.

The new hints provide a very small (< 0.1%) but universal code size improvement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 00:02:26 +00:00
Bruno Cardoso Lopes
533a7df02d Add matching patterns for vblend AVX intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110630 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 00:02:05 +00:00
Bruno Cardoso Lopes
d5955f5a23 Fix the last argument type of AVX vblend intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 00:00:22 +00:00
Bill Wendling
6cdb1abe4e Merge the OptimizeExts and OptimizeCmps passes into one PeepholeOptimizer 
pass. This pass should expand with all of the small, fine-grained optimization
passes to reduce compile time and increase happiment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 23:59:04 +00:00
Devang Patel
02ecdefbe4 Undo accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110623 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 23:28:52 +00:00
Devang Patel
450b793a04 Simplify. Avoid redundant checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 23:26:06 +00:00
Eric Christopher
5cb33a384f Wording. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110618 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 22:52:47 +00:00