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Author SHA1 Message Date
Chandler Carruth
d410eaba04 Revert r155365, r155366, and r155367. All three of these have regression 
test suite failures. The failures occur at each stage, and only get
worse, so I'm reverting all of them.

Please resubmit these patches, one at a time, after verifying that the
regression test suite passes. Never submit a patch without running the
regression test suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155372 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 18:25:57 +00:00
Sirish Pande
15e56ad885 Hexagon V5 (floating point) support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155367 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 17:49:40 +00:00
Sirish Pande
1bfd24851e Support for Hexagon architectural feature, new value jump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155366 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 17:49:28 +00:00
Sirish Pande
0dac3919e5 Support for Hexagon VLIW Packetizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155365 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 17:49:20 +00:00
Sirish Pande
9f6852dcc2 Hexagon Packetizer's target independent fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155364 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 17:49:09 +00:00
Jakob Stoklund Olesen
72847f3057 Reapply r155136 after fixing PR12599. 
Original commit message:

Defer some shl transforms to DAGCombine.

The shl instruction is used to represent multiplication by a constant
power of two as well as bitwise left shifts. Some InstCombine
transformations would turn an shl instruction into a bit mask operation,
making it difficult for later analysis passes to recognize the
constsnt multiplication.

Disable those shl transformations, deferring them to DAGCombine time.
An 'shl X, C' instruction is now treated mostly the same was as 'mul X, C'.

These transformations are deferred:

  (X >>? C) << C   --> X & (-1 << C)  (When X >> C has multiple uses)
  (X >>? C1) << C2 --> X << (C2-C1) & (-1 << C2)   (When C2 > C1)
  (X >>? C1) << C2 --> X >>? (C1-C2) & (-1 << C2)  (When C1 > C2)

The corresponding exact transformations are preserved, just like
div-exact + mul:

  (X >>?,exact C) << C   --> X
  (X >>?,exact C1) << C2 --> X << (C2-C1)
  (X >>?,exact C1) << C2 --> X >>?,exact (C1-C2)

The disabled transformations could also prevent the instruction selector
from recognizing rotate patterns in hash functions and cryptographic
primitives. I have a test case for that, but it is too fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155362 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 17:39:52 +00:00
Sylvestre Ledru
9dc06bd431 Conflict with st_dev/st_ino identifiers under Debian GNU/Hurd 
The problem is that the struct file_status on UNIX systems has two
members called st_dev and st_ino; those are also members of the
struct stat, and they are reserved identifiers which can also be
provided as #define (and this is the case for st_dev on Hurd).
The solution (attached) is to rename them, for example adding a
"fs_" prefix (= file status) to them.

Patch by Pino Toscano




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155354 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 16:37:23 +00:00
Alexander Potapenko
55cabae685 Fix issue 67 by checking that the interface functions weren't redefined in the compiled source file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155346 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 10:47:31 +00:00
Kostya Serebryany
2d5fdf81dc [tsan] use llvm/ADT/Statistic.h for tsan stats 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155341 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 08:44:59 +00:00
Craig Topper
708e44fc96 Use MVT instead of EVT through all of LowerVECTOR_SHUFFLEtoBlend and not just the switch. Saves a little bit of binary size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155339 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 07:36:33 +00:00
Craig Topper
9d35240eee Make getZeroVector and getOnesVector more alike as far as how they detect 128-bit versus 256-bit vectors. Be explicit about both sizes and use llvm_unreachable. Similar changes to getLegalSplat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155337 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 07:24:41 +00:00
Craig Topper
69947b9cea Tidy up by removing some 'else' after 'return' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155336 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 06:57:04 +00:00
Craig Topper
1842ba0dfc Tidy up spacing in LowerVECTOR_SHUFFLEtoBlend. Remove code that checks if shuffle operand has a different type than the the shuffle result since it can never happen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155333 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 06:38:28 +00:00
Craig Topper
731dfd0da9 Add a couple llvm_unreachables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155332 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 03:42:40 +00:00
Craig Topper
0fbf364fd7 Remove some tab characers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155331 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 03:28:34 +00:00
Craig Topper
e8eb116ff3 Remove some 'else' after 'return'. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155330 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 03:26:18 +00:00
Chris Lattner
a9963c648e Don't die with an assertion if the Result bitwidth is already correct. This 
fixes an assert reading "1239123123123123" when the result is already 64-bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155329 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 00:27:54 +00:00
Bill Wendling
85d043d6f6 Cleanup whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155328 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 00:23:33 +00:00
Bill Wendling
098c595dd2 Limit the number of times we recurse through this algorithm. All of the 
intructions are processed. So there's no need to look at them if they're used as
operands of other instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155327 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-23 00:22:55 +00:00
Craig Topper
b14940a047 Make Extract128BitVector and Insert128BitVector take an unsigned instead of an ConstantNode SDValue. getConstant was almost always called just before only to have the functions take it apart and build a new ConstantSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155325 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 20:55:18 +00:00
Craig Topper
767b4f64a0 Convert getNode(UNDEF) to getUNDEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155321 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 19:29:34 +00:00
Craig Topper
df966f6bee Make calls to getVectorShuffle more consistent. Use shuffle VT for calls to getUNDEF instead of requerying. Use &Mask[0] instead of Mask.data(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155320 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 19:17:57 +00:00
Craig Topper
d63fa657e4 Tidy up. 80 columns and argument alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155319 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 18:51:37 +00:00
Craig Topper
4c7972d638 Simplify code by converting multiple places that were manually concatenating 128-bit vectors to use either CONCAT_VECTORS or a helper function. CONCAT_VECTORS will itself be lowered to the same pattern as before. The helper function is needed for concats of BUILD_VECTORs since getNode(CONCAT_VECTORS) will just return a large BUILD_VECTOR and we may be trying to lower large BUILD_VECTORS when this occurs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155318 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 18:15:59 +00:00
Elena Demikhovsky
dd9047815c cleaned line endings in the newly added test file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155315 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 13:22:48 +00:00
Benjamin Kramer
bfae1fd1fc ARM: Initialize the HasRAS bit. 
Found by valgrind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155313 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 11:52:41 +00:00
Chandler Carruth
a3e3481c57 Tidy up this test more: 
1) Make the checked assertions a bit more precise. We really want the
   canonical forms coming out of reassociate to be exactly what is
   expected.
2) Remove other passes, and switch the test to actually directly check
   that reassociate makes the important transforms and
   canonicalizations.
3) Fold in a related test case now that we're using FileCheck. Make the
   same tidying changes to it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155311 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 10:11:26 +00:00
Chandler Carruth
71f8bc37f2 FileCheck-ize a test, and tidy it up a touch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155310 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 10:11:23 +00:00
Elena Demikhovsky
1da5867236 ZERO_EXTEND/SIGN_EXTEND/TRUNCATE optimization for AVX2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155309 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 09:39:03 +00:00
Bill Wendling
eb23f9e92e Remove some potential warnings about variables used uninitialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155307 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-22 07:23:04 +00:00
Bill Wendling
d46575f190 Add a flag to the struct type finder to collect only those types which have 
names. This saves collecting types we normally don't care about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155300 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 23:59:16 +00:00
Chris Lattner
2dbd7844e8 No need for "else if" after a return. Autosense "0o123" as octal in 
StringRef::getAsInteger


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155298 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 22:03:05 +00:00
Chris Lattner
55738761b3 stop hiding SmallVector's append that takes a count + element. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155297 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 21:02:03 +00:00
Nadav Rotem
db3461662e Teach getVectorTypeBreakdown about promotion of vectors in addition to widening of vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155296 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 20:08:32 +00:00
Craig Topper
9e401f22ec Make some fixed arrays const. Use array_lengthof in a couple places instead of a hardcoded number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155294 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 18:58:38 +00:00
Craig Topper
d0cf565e79 Tidy up. 80 columns and some other spacing issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155291 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 18:13:35 +00:00
Benjamin Kramer
0b5ad0b9d9 Remove unused PointerLikeTypeTraits for IndexListEntry. 
It set NumLowBitAvailable = 3 which may not be true on all platforms.  We only
ever use 2 bits (the default) so this assumption can be safely removed

Should fix PR12612.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155288 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 16:05:27 +00:00
NAKAMURA Takumi
8959393533 llvm/lib/Target: [PR12611] Add "llvm/Support/raw_ostream.h" for Debug build on MSVC. 
Thanks to Andy Gibbs, to report the issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155287 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 15:31:45 +00:00
NAKAMURA Takumi
d2f16a292b HexagonISelLowering.cpp: Reorder #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155286 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 15:31:36 +00:00
NAKAMURA Takumi
4a80d64194 CMake: Enable LLVM_COMPILER_JOBS on all MS IDEs. We don't support older environments than VS9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155285 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 14:51:02 +00:00
NAKAMURA Takumi
5bfe3bf8d1 CMake: Prune redundant LLVM_COMPILER_JOBS from llvm/CMakeLists.txt. HandleLLVMOptions.cmake has it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155284 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 14:50:56 +00:00
Nuno Lopes
e0af267bc2 move Signals to .rodata 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155283 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 14:45:37 +00:00
NAKAMURA Takumi
d1ad82f869 HexagonInstPrinter.cpp: Suppress -Wunused-variable warnings with -Asserts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155281 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 11:24:55 +00:00
Benjamin Kramer
2ddb84506c YAMLParser: silence warning about tautological comparison on unsigned-char platforms. 
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155280 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 10:51:42 +00:00
Craig Topper
f0ae38ef2e Remove 'XXXRegisterClass' from tablegen output. Targets should use '&XXXRegClass' instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155270 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-21 01:49:25 +00:00
Jim Grosbach
8e3c17aabf ARM: tblgen'erate more NEON two-operand aliases. 
VMUL and VEXT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155258 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 23:46:33 +00:00
Jakob Stoklund Olesen
0b35c35efc Fix PR12599. 
The X86 target is editing the selection DAG while isel is selecting
nodes following a topological ordering. When the DAG hacking triggers
CSE, nodes can be deleted and bad things happen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155257 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 23:36:09 +00:00
Jim Grosbach
d83c9ea7d1 ARM: tblgen'erate more NEON two-operand aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155254 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 23:30:14 +00:00
Bill Wendling
c827834d49 Revert r155241, which is causing some breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155253 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 23:11:38 +00:00
Jakob Stoklund Olesen
8c48e4ff89 Make ISelPosition a local variable. 
Now that multiple DAGUpdateListeners can be active at the same time,
ISelPosition can become a local variable in DoInstructionSelection.

We simply register an ISelUpdater with CurDAG while ISelPosition exists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155249 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-20 22:08:50 +00:00