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Author SHA1 Message Date
Jim Grosbach
31ef40e940 remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89567 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 23:12:12 +00:00
Bob Wilson
a8449e6aaa Fix some spelling in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89566 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 22:44:20 +00:00
Bob Wilson
8478a5bcfb Avoid a redundant assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 22:39:27 +00:00
Jim Grosbach
f3b33d0b2a Darwin requires a frame pointer for all non-leaf functions to support correct 
backtraces.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89562 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 21:40:08 +00:00
Evan Cheng
ac0869dc8a Add predicate operand to NEON instructions. Fix lots (but not all) 80 col violations in ARMInstrNEON.td. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 06:21:52 +00:00
Evan Cheng
e54cb16308 Allow target to disable if-converting predicable instructions. e.g. NEON instructions under ARM mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 06:20:26 +00:00
Devang Patel
2c4ceb177b Cosmetic changes, which were long overdue, in DwarfDebug.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89537 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:48:08 +00:00
Devang Patel
bef8888a91 We are not using DBG_STOPPOINT anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:46:55 +00:00
Evan Cheng
1f8f4d2db7 Maintain stylistic consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89535 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:32:35 +00:00
Jakob Stoklund Olesen
b99b63c2e5 Don't leave temporary files in the test directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:05:31 +00:00
Jakob Stoklund Olesen
323d8c3ed7 Be more clever about calculating live variables through new basic blocks. 
When splitting a critical edge, the registers live through the edge are:

- Used in a PHI instruction, or
- Live out from the predecessor, and
- Live in to the successor.

This allows the coalescer to eliminate even more phi joins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89530 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:05:21 +00:00
Daniel Dunbar
983c7fe847 Allow SmallString to implicitly convert to StringRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 02:01:24 +00:00
Eric Christopher
80bf1d5278 Add more optimizations for object size checking, enable handling of 
object size intrinsic and verify return type is correct. Collect various
code in one place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89523 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 01:01:30 +00:00
Devang Patel
9bff5cbae8 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 00:54:03 +00:00
Dale Johannesen
5b8bce11d6 When generating a vector the really slow way, via loads 
and stores, handle the case where the element size is not
a valid target type correctly (PPC).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 00:53:23 +00:00
Devang Patel
6f01d9c2f0 There is no need to use FoldingSet to unique DIEs. 
DIEs are created from MDNode, which are already uniqued. And DwarfDebug already uses ValueMaps to find and use existing DIE for a given MDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 00:31:03 +00:00
Viktor Kutuzov
054b52c366 Added two SubtargetFeatures::AddFeatures methods, which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 00:00:02 +00:00
David Goodwin
00621efb40 Restructure code to allow renaming of multiple-register groups for anti-dep breaking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:33:54 +00:00
Evan Cheng
c26abd9487 Enable hoisting load from constant memories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:31:34 +00:00
Dan Gohman
d9e05cd22a Fix a thinko that caused spurious @GOTOFFs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:30:32 +00:00
Dan Gohman
71a419631f Update for new getBlockAddress signature. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89507 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:21:00 +00:00
Dan Gohman
29cbade25a Target-independent support for TargetFlags on BlockAddress operands, 
and support for blockaddresses in x86-32 PIC mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89506 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 23:18:13 +00:00
Sean Callanan
b9e6b34e1e Recommitting PALIGNR shift width fixes. 
Thanks to Daniel Dunbar for fixing clang intrinsics:
  http://llvm.org/viewvc/llvm-project?view=rev&revision=89499


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:28:42 +00:00
Dale Johannesen
5ca124691b Remove an incorrect overaggressive optimization 
(PPC specific).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:16:40 +00:00
Sean Callanan
1bbf6d1a6f Reverting PALIGNR fix until I figure out how this 
broke the Clang testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 22:09:28 +00:00
Sean Callanan
201dfa7432 Fixed PALIGNR to take 8-bit rotations in all cases. 
Also fixed the corresponding testcase, and the PALIGNR
  intrinsic (tested for correctness with llvm-gcc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 21:40:28 +00:00
Devang Patel
017d121c59 Do not hold on to a map slot while new entries may be inserted into the map. 
Use ValueMap, instead of std::map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 21:37:22 +00:00
David Greene
a96fc2f3ad Cleanups. 
Make things a little more efficient as suggested by Evan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 21:13:27 +00:00
Devang Patel
1f37b5b3af There is no need to emit source location info for DW_TAG_pointer_type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 21:05:37 +00:00
Dan Gohman
a58a04921d Make Loop::getLoopLatch() work on loops which don't have preheaders, as 
it may be used in contexts where preheader insertion may have failed due
to an indirectbr.

Make LoopSimplify's LoopSimplify::SeparateNestedLoop properly fail in
the case that it would require splitting an indirectbr edge.

These fix PR5502.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89484 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:51:18 +00:00
Dan Gohman
6a2392131e Fix IPSCCP's code for deleting dead blocks to tolerate outstanding 
blockaddress users. This fixes PR5569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:19:14 +00:00
Daniel Dunbar
f7751c134a Revert "Add some rough optimizations for checking routines.", it buildeth not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:17:30 +00:00
Eric Christopher
3bcaa8ac95 Add some rough optimizations for checking routines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:57:37 +00:00
Evan Cheng
4aedb61d03 Remat VLDRD from constpool. Clean up some instruction property specifications. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:57:15 +00:00
Evan Cheng
87b75ba75e Add option -licm-const-load to hoist all loads from constant memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:55:37 +00:00
Jim Grosbach
a9562568e5 The verify() call of CPEIsInRange() isn't right for the assertion check of 
constant pool ranges, as CPEIsInRange() makes conservative assumptions about
the potential alignment changes from branch adjustments. The verification,
on the other hand, runs after those branch adjustments are made, so the
effects on alignment are known and already taken into account. The sanity
check in verify should check the range directly instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89473 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:37:38 +00:00
Dan Gohman
5bd698e65c Use stripPointerCasts(). Thanks Duncan! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89472 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:33:16 +00:00
David Goodwin
557bbe6b5d Remove some old experimental code that is no longer needed. Remove additional, speculative scheduling pass as its cost did not translate into significant performance improvement. Minor tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:32:48 +00:00
Jakob Stoklund Olesen
6cd8103bea More consistent labelling of basic blocks in debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 18:54:59 +00:00
Dan Gohman
837be07979 Revert the rule that considers comparisons between two pointers in the 
same object to be a non-capture; Duncan pointed out a way that such
a comparison could be a capture.

Make the rule that considers a comparison against null more specific,
and only consider noalias return values compared against null. This
still supports test/Transforms/GVN/nonescaping-malloc.ll, and is not
susceptible to the problem Duncan pointed out with noalias arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89468 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 17:50:21 +00:00
Mikhail Glushenkov
37628e0098 Move the handling of CommaSeparated options into ProvideOption. 
Makes '--comma-separated val1,val2' mean the same thing as
'--comma-separated=val1,val2' (that is, 'val1' and 'val2' are not lumped
together as 'val1,val2'). Also declutters the main loop a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 17:23:17 +00:00
Duncan Sands
76700ba64c Fix PR5563, an expensive checks failure when running on 
tests/Transforms/InstCombine/shufflemask-undef.ll.  If
anyone cares, the use of 2*e here (and the equivalent
all over the place in instcombine) seems wrong, though
harmless: it should really be twice the length of the
input vector.  I think shufflevector used to require
that the mask have the same length as the input, but I
don't think that's true any more.  I don't care enough
about vectors to do anything about this...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 13:19:51 +00:00
Duncan Sands
c088ae8b84 Fix PR5558, which was caused by a wrong fix for PR3393 (see commit 63048), 
which was an expensive checks failure due to a bug in the checking.  This
patch in essence reverts the original fix for PR3393, and refixes it by a
tweak to the way expensive checking is done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 10:45:10 +00:00
Benjamin Kramer
5da15364b9 Try to work around grep's "Binary file (standard input) matches" complaints seen 
on ppc buildbot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 09:53:25 +00:00
Daniel Dunbar
f6ed7824c5 Fix -march= name for x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:52:08 +00:00
Dan Gohman
b4afb137ef Fix fast-isel to avoid selecting the return instruction if a 
tail call has been encountered.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:51:26 +00:00
Jim Grosbach
de8b1dbf95 Remove verifySizes() since it's not adding much value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89443 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:32:06 +00:00
Evan Cheng
9b82425cb0 Also CSE non-pic load from constant pools. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:10:27 +00:00
Dan Gohman
2e7e94826a Add an experimental option to run gep-splitting and no-load GVN 
just before codegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89439 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 02:03:44 +00:00
Dan Gohman
ae079c250f Simplify this code; it's not necessary to check isIdentifiedObject here 
because if the results from getUnderlyingObject match, the values must
be from the same underlying object, even if we don't know what that
object is.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 01:34:03 +00:00