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Author SHA1 Message Date
Akira Hatanaka
2e591477af Custom-lower FRAMEADDR. Patch by Sasa Stankovic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132444 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-02 00:24:44 +00:00
Eli Friedman
7c6a5a2c39 When marking a block as being unanalyzable, use "Clobber" on the terminator instead of the first instruction in the block. This is a bit of a hack; "Clobber" isn't really the right marking in the first place. memdep doesn't really have any way of properly expressing "unanalyzable" at the moment. Using it on the terminator is much less ambiguous than using it on an arbitrary instruction, though. 
In the given testcase, the "Clobber" was pointing to a load, and GVN was incorrectly assuming that meant that the "Clobber" load overlapped the load being analyzed (when they are actually unrelated).

The included testcase tests both this commit and r132434.

Part two of rdar://9429882.  (r132434 was mislabeled.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132442 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-02 00:08:52 +00:00
Chad Rosier
11772e093f Typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132437 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 23:32:40 +00:00
Eli Friedman
fc09797426 In MemoryDependenceAnalysis::getNonLocalPointerDepFromBB, if a given block is is deemed unanalyzable (and we execute one of the "goto PredTranslationFailure" statements), make sure we don't put information about the predecessors of that block into the returned data structures; this can lead to, among other things, extraneous results (which will confuse passes using memdep). Fixes an assert in GVN compiling ruby. Part of rdar://problem/9521954 . 
Testcase coming up soon.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132434 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 23:16:53 +00:00
Devang Patel
4ada1d7910 A DBG_VALUE that truncates a range does not start another dbg value range. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132433 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 23:00:17 +00:00
Devang Patel
c432907eca Do not drop constant values when a variable's content is described using .debug_loc entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132427 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 22:03:25 +00:00
Stuart Hastings
ec880283b3 Recommit 132404 with fixes. rdar://problem/5993888 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132424 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 21:33:14 +00:00
Eric Christopher
9aaa02a1d2 Allow bitcasts between valid types of the same size and vector 
types if the vector type is legal.

Fixes rdar://9306086


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132420 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 19:55:10 +00:00
Stuart Hastings
4abc5fea9c Revert 132404 to appease a buildbot. rdar://problem/5993888 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132419 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 19:52:20 +00:00
Nadav Rotem
96e0c5477c Refactor LegalizeTypes: Erase LegalizeAction and make the type legalizer use 
the TargetLowering enum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132418 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 19:47:10 +00:00
Andrew Trick
cf31f91931 SCEV: missing null check fix for r132360, dragonegg crash. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132416 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 19:14:56 +00:00
Jakob Stoklund Olesen
76395c9a31 Revert r132358 "Simplify the eviction policy by making the failsafe explicit." 
This commit caused regressions in i386 flops-[568], matrix, salsa20,
256.bzip2, and enc-md5.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132413 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 18:45:02 +00:00
Stuart Hastings
090bf19de6 Fix double FGETSIGN to work on x86_32; followup to 132396. 
rdar://problem/5660695


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132411 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 18:32:25 +00:00
Eric Christopher
a3d91cd6a6 Add a testcase, enabled only on arm, for llvm-gcc r132366. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132409 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 18:23:56 +00:00
Stuart Hastings
0f971b1fdb Cleanup test case. rdar://problem/5660695 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 18:23:14 +00:00
Benjamin Kramer
0be9f5dde4 Initialize IssueWidth to zero. 
Fixes valgrind errors in the CellSPU backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132405 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 17:19:08 +00:00
Stuart Hastings
10ff0bbdfb Add support for x86 CMPEQSS and friends. These instructions do a 
floating-point comparison, generate a mask of 0s or 1s, and generally
DTRT with NaNs.  Only profitable when the user wants a materialized 0
or 1 at runtime.  rdar://problem/5993888


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132404 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 17:17:45 +00:00
Stuart Hastings
f1002828fd Reapply 132348 with fixes. rdar://problem/6501862 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132402 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 16:42:47 +00:00
Stuart Hastings
d7de954644 A forthcoming SSE patch will break this test; since the test is also 
valid for x87, re-target to x87.  rdar://problem/5993888


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132401 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 16:13:09 +00:00
Stuart Hastings
b909d35de4 Test case for 132396. rdar://problem/5660695 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 15:50:29 +00:00
Jakob Stoklund Olesen
1f9a09c614 Fix PR10059 and future variations by handling all register subclasses. 
Add TargetRegisterInfo::hasSubClassEq and use it to check for compatible
register classes instead of trying to list all register classes in
X86's getLoadStoreRegOpcode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132398 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 15:32:10 +00:00
Stuart Hastings
bdce3726e2 Turn on FGETSIGN for x86. Followup to 132388. rdar://problem/5660695 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132396 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 14:04:17 +00:00
Joerg Sonnenberger
dd137903e4 Add new -d option to tblgen. It writes a make(1)-style dependency file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132395 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 13:10:15 +00:00
Nadav Rotem
b6fbec3a54 This patch is another step in the direction of adding vector select. In this 
patch we add a flag to enable a new type legalization decision - to promote
integer elements in vectors. Currently, the rest of the codegen does not support
this kind of legalization.  This flag will be removed when the transition is
complete.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132394 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 12:51:46 +00:00
Stuart Hastings
4fd0dee3bf FGETSIGN support for x86, using movmskps/pd. Will be enabled with a 
patch to TargetLowering.cpp.  rdar://problem/5660695


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132388 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 04:39:42 +00:00
Andrew Trick
cf9aa284b3 Add an issue width check to the postRA scheduler. Patch by Max Kazakov! 
For targets with no itinerary (x86) it is a nop by default. For
targets with issue width already expressed in the itinerary (ARM) it
bypasses a scoreboard check but otherwise does not affect the
schedule. It does make the code more consistent and complete and
allows new targets to specify their issue width in an arbitrary way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132385 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 03:27:56 +00:00
John McCall
1edbd6f3f0 First, do no harm -- even if we can't find a selector for an enclosing 
landing pad, forward llvm.eh.resume calls to it instead of turning them
invalidly into invokes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132382 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 02:17:11 +00:00
Bill Wendling
edac4923dc The ARM stuff already calls the Resume function, not the Resume_or_Rethrow. It 
turns out that it could cause an infinite loop in some situations. If this code
is triggered and it converts a cleanup into a catchall, but that cleanup was in
already in a cleanup, then the _Unwind_SjLj_Resume could infinite loop. I.e.,
the code doesn't consume the exception object and passes it on to
_Unwind_SjLj_Resume. But _USjLjR expects it to be consumed (since it's landing
at a catchall instead of a cleanup). So it uses the values that are presently
there, which are the values that tell it to jump to the fake landing pad.
<rdar://problem/9508402>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132381 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 01:49:35 +00:00
Devang Patel
c20bdf194a Incomplete type may not have corresponding DIE, so do not check DIEEntry eagerly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132377 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-01 00:23:24 +00:00
Devang Patel
66658e4dff Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 23:30:30 +00:00
Devang Patel
e9ae06ca98 Include global types, that are referenced through local variables, in debug_pubtypes list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132371 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 22:56:51 +00:00
Jakob Stoklund Olesen
7d866044f4 Ignore Vim swap files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132365 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 21:54:28 +00:00
Galina Kistanova
a9f907912c Reverted r132135 per Xerxes request. These tests are passing for his setup. Requires more research. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132364 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 21:50:33 +00:00
Andrew Trick
b1ce4c09dd scev: Better sign-extend removal. Normalize postincrement recurrences 
so that their sign extended forms are congruent when no overflow occurs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 21:17:47 +00:00
Jakob Stoklund Olesen
d2056e51c6 Simplify the eviction policy by making the failsafe explicit. 
When assigned ranges are evicted, they are put in the RS_Evicted stage and are
not allowed to evict anything else. That prevents looping automatically.

When evicting ranges just to get a cheaper register, use only spill weights to
find the possible candidates. Avoid breaking hints for this purpose, it is not
worth it.

Start implementing more complex eviction heuristics, guarded by the temporary
-complex-eviction flag. The initial version permits a heavier range to be
evicted if it doesn't have any uses where the evicting range is live. This makes
it a good candidate for live ranfge splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132358 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 21:02:44 +00:00
Eli Friedman
69388e5a4a llvm.memcpy.* has two distinct associated address spaces; the source address space, and the destination address space. Fix up the interface on MemIntrinsic and MemTransferInst to make this clear, and fix InstructionDereferencesPointer in LazyValueInfo.cpp to use the interface properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132356 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 20:40:16 +00:00
Bruno Cardoso Lopes
cada2d0966 Fix uninitialized variables and silence warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132355 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 20:25:26 +00:00
Eli Friedman
e65e9ee79a Add a minor missing -verify check. Found by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 20:12:07 +00:00
Nick Lewycky
5d98c9ae71 Also remove -lLTO which should have been in r132349. I failed to apply this 
from David Meyer's patch!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132352 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 20:00:45 +00:00
Stuart Hastings
3200c4b53c Revert to pacify a buildbot. rdar://problem/6501862 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132351 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 19:56:35 +00:00
Nick Lewycky
471fa149d1 Make the gold plugin build on Cygwin as well as Linux. Patch by David Meyer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132349 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 19:53:26 +00:00
Stuart Hastings
df48e84b5b Followup to 132316; accept arbitrary constants, add with a constant, 
sub with a non-constant.  Fix comments, enlarge test case.
rdar://problem/6501862


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 19:29:55 +00:00
Devang Patel
f729e91353 Fix html formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132345 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 18:06:14 +00:00
Devang Patel
e0bdc59321 Clarify documentation and remove guarantees that are not fulfilled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132344 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 17:45:27 +00:00
Richard Osborne
a9b08aa25e Fix 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 16:30:33 +00:00
Richard Osborne
9497466190 Add XCore intrinsic for crc8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 16:24:49 +00:00
Richard Osborne
7736c37c14 Add XCore intrinsic for crc32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132336 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 14:47:36 +00:00
Richard Osborne
bc5fd67b53 Convert test to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132335 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 14:00:05 +00:00
Argyrios Kyrtzidis
74ee8ace0c Introduce PackedVector, useful for storing a vector of values using a specific number of bits for each 
value. Both signed and unsigned types can be used, e.g

   PackedVector<signed, 2> vec;

will create a vector accepting values -2, -1, 0, 1. Any other value will hit an assertion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132325 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 03:53:41 +00:00
Bruno Cardoso Lopes
895c1e2dee Fix ssat and ssat16 encodings for ARM and Thumb. The bit position value 
must be encoded decremented by one. Only add encoding tests for ssat16
because ssat can't be parsed yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 03:33:27 +00:00