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04b3497eb7
Commit Graph

19343 Commits

Author SHA1 Message Date
Owen Anderson
04b3497eb7 Fix a crasher when finding the dependency of a call. 
llvm-svn: 38510
 2007-07-10 20:39:07 +00:00
Owen Anderson
b11a2f3a32 Make this pass registration static as well. 
llvm-svn: 38509
 2007-07-10 20:21:08 +00:00
Owen Anderson
7d38ac8a37 Make the pass registration static. 
llvm-svn: 38508
 2007-07-10 20:20:19 +00:00
Chris Lattner
abcdeef610 add a note 
llvm-svn: 38507
 2007-07-10 20:03:50 +00:00
Rafael Espindola
c0d9376230 check for correct usage of the byval attribute 
llvm-svn: 38506
 2007-07-10 19:28:12 +00:00
Anton Korobeynikov
7971c2c9b7 During module cloning copy aliases too. This fixes PR1544 
llvm-svn: 38505
 2007-07-10 19:07:35 +00:00
Owen Anderson
6c92149ce5 Handle vaarg instructions correctly. 
llvm-svn: 38504
 2007-07-10 18:43:15 +00:00
Dan Gohman
629311ca52 Change the peep for EXTRACT_VECTOR_ELT of BUILD_PAIR to look for 
the new CONCAT_VECTORS node type instead, as that's what legalize
uses now. And add a peep for EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT.

llvm-svn: 38503
 2007-07-10 18:20:44 +00:00
Owen Anderson
f4bea94dbd Volatile loads and stores depend on each other. 
llvm-svn: 38502
 2007-07-10 18:11:42 +00:00
Evan Cheng
abcf3842bb Remove clobbersPred. Add an OptionalDefOperand to instructions which have the 's' bit. 
llvm-svn: 38501
 2007-07-10 18:08:01 +00:00
Evan Cheng
0ab209fa54 Remove clobbersPred. 
llvm-svn: 38500
 2007-07-10 18:07:08 +00:00
Owen Anderson
1f5fb875b6 Add support for finding the dependencies of call and invoke instructions. 
llvm-svn: 38497
 2007-07-10 17:59:22 +00:00
Evan Cheng
d80c2821af If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def. 
llvm-svn: 38496
 2007-07-10 17:52:20 +00:00
Evan Cheng
87e735c4be Somehow this wasn't committed last time. M_CLOBBERS_PRED is gone. 
llvm-svn: 38495
 2007-07-10 17:50:43 +00:00
Owen Anderson
1bd416b823 Fix the build, and fix the handling of pointer sizes. 
llvm-svn: 38494
 2007-07-10 17:25:03 +00:00
Owen Anderson
1fabbda503 Fix a bunch of things from Chris' feedback 
llvm-svn: 38493
 2007-07-10 17:08:11 +00:00
Dan Gohman
bd0ff28e1c Fix a bug in the folding of binary operators to undef. 
Thanks to Lauro for spotting this!

llvm-svn: 38491
 2007-07-10 15:19:29 +00:00
Dan Gohman
6b21e11f1c Fix the folding of undef in several binary operators to recognize 
undef in either the left or right operand.

llvm-svn: 38489
 2007-07-10 14:20:37 +00:00
Evan Cheng
cf3b1c89a9 When a node value is only used by a CopyToReg, use the user's dest. This should not be restricted to nodes that produce only a single value. 
llvm-svn: 38485
 2007-07-10 07:08:32 +00:00
Evan Cheng
23dc96f640 Move DenseMapKeyInfo<SDOperand> from LegalizeDAG.cpp to SelectionDAGNodes.h 
llvm-svn: 38484
 2007-07-10 06:59:55 +00:00
Nick Lewycky
ea767d42e8 Update the ValueRanges interface to use value numbers instead of Value*s. 
llvm-svn: 38483
 2007-07-10 03:28:21 +00:00
Owen Anderson
4ce919d799 Move some key maps from std::map to DenseMap. This improves the time to optimize Anton's testcase from 17.5s 
to 15.7s.

llvm-svn: 38480
 2007-07-10 00:27:22 +00:00
Owen Anderson
65f9dd6973 Use a cheaper test, delaying calling find_leader() until we know that it's necessary. This improves 
the time to optimize Anton's testcase from 21.1s to 17.6s.

llvm-svn: 38479
 2007-07-10 00:09:25 +00:00
Dan Gohman
928144b051 Define non-intrinsic instructions for vector min, max, sqrt, rsqrt, and rcp, 
in addition to the intrinsic forms. Add spill-folding entries for these new
instructions, and for the scalar min and max instrinsic instructions which
were missing. And add some preliminary ISelLowering code for using the new
non-intrinsic vector sqrt instruction, and fneg and fabs.

llvm-svn: 38478
 2007-07-10 00:05:58 +00:00
Owen Anderson
2106613ce6 Add an assertion if find_leader fails. 
llvm-svn: 38477
 2007-07-09 23:57:18 +00:00
Owen Anderson
8d4339f8db Take advantage of the new fast SmallPtrSet assignment operator when propagating AVAIL_OUT sets. 
This reduces the time to optimize Anton's testcase from 31.2s to 21.s!

llvm-svn: 38475
 2007-07-09 22:29:50 +00:00
Owen Anderson
31bda05073 Make the assignment operator for SmallPtrSet much faster for normal cases. 
llvm-svn: 38474
 2007-07-09 22:27:20 +00:00
Dan Gohman
150487b166 Preserve volatililty and alignment information when lowering or 
simplifying loads and stores.

llvm-svn: 38473
 2007-07-09 22:18:38 +00:00
Devang Patel
65f3717db9 Expose struct size threhold to allow users to tweak their own setting. 
llvm-svn: 38472
 2007-07-09 21:19:23 +00:00
Dan Gohman
81cfdc2f19 Change getCopyToParts and getCopyFromParts to always use target-endian 
register ordering, for both physical and virtual registers. Update the PPC
target lowering for calls to expect registers for the call result to
already be in target order.

llvm-svn: 38471
 2007-07-09 20:59:04 +00:00
Owen Anderson
e48ed4f7a8 Make the assignment operator for SmallPtrSet return a reference, and fix a long-standing bug in the copy 
ctor while I'm at it.

Thanks to Chris Lattner for help with this patch.

llvm-svn: 38470
 2007-07-09 20:59:01 +00:00
Devang Patel
f1b6294e80 Fix memory leak. 
llvm-svn: 38469
 2007-07-09 20:52:39 +00:00
Dan Gohman
be352027e6 Initialize the IndexedModeActions array with memset before 
updating it with calls to setIndexedLoadAction/setIndexedStoreAction,
which only update a few bits at a time. This avoids ostensible
undefined behavior of operationg on values which may be
trap-representations, and as a practical matter fixes errors from
valgrind, which doesn't track uninitialized memory with bit
granularity.

llvm-svn: 38468
 2007-07-09 20:49:44 +00:00
Owen Anderson
e12cbdb0be Fix an error in the assignment operator that was causing an infinite loop in GVNPRE.cpp. 
Patch by Chis Lattner.

llvm-svn: 38467
 2007-07-09 18:51:15 +00:00
Chris Lattner
4810c53b05 The various "getModuleMatchQuality" implementations should return 
zero if they see a target triple they don't understand.

llvm-svn: 38463
 2007-07-09 17:25:29 +00:00
Chris Lattner
97ba0c99ed implement operator= for smallptrset 
llvm-svn: 38460
 2007-07-09 16:54:03 +00:00
Owen Anderson
08020078f3 Fix a comment. 
llvm-svn: 38459
 2007-07-09 16:43:55 +00:00
Chris Lattner
aff9a84b7a Fix this warning: 
DAGCombiner.cpp: In member function 'llvm::SDOperand<unnamed>::DAGCombiner::visitOR(llvm::SDNode*)':
DAGCombiner.cpp:1608: warning: passing negative value '-0x00000000000000001' for argument 1 to 'llvm::SDOperand llvm::SelectionDAG::getConstant(uint64_t, llvm::MVT::ValueType, bool)'

oiy.

llvm-svn: 38458
 2007-07-09 16:16:34 +00:00
Dan Gohman
4e45063081 Move the APInt form of SCEVUnknown::getIntegerSCEV to SCEVConstant::get, and 
use SCEVConstant::get instead of SCEVUnknown::get when constructing a SCEV
for a ConstantInt.

llvm-svn: 38457
 2007-07-09 15:25:17 +00:00
Gabor Greif
89919e17b4 fix typos 
llvm-svn: 38453
 2007-07-09 12:00:59 +00:00
Owen Anderson
25d57adc4a Improve a hotspot that was making build_sets() slower by calling lookup() too 
often.  This improves Anton's testcase from 36s to 32s.

llvm-svn: 38441
 2007-07-09 07:56:55 +00:00
Owen Anderson
f695fa9257 Start using a set representation that remembers the set of value numbers represented 
in the set.  For the moment, this results in a slight performance decrease, but
it lays the groundwork for future improvements.

llvm-svn: 38439
 2007-07-09 06:50:06 +00:00
Owen Anderson
30fc1decdc Fix an error where ANTIC_OUT was ending up with more than one expression of 
the same value number.  This fixes an infinite loop on 444.namd.

llvm-svn: 37967
 2007-07-07 20:13:57 +00:00
Nick Lewycky
dc39ec317a Back out Devang's fix for PR1320 because it causes PR1542. 
llvm-svn: 37966
 2007-07-07 16:23:34 +00:00
Evan Cheng
d9d3be078c No need for ccop anymore. 
llvm-svn: 37965
 2007-07-06 23:34:09 +00:00
Evan Cheng
4c7b04f24d Teach if-conversion about instructions that were already predicated, e.g. conditional move. 
llvm-svn: 37964
 2007-07-06 23:24:39 +00:00
Evan Cheng
92e624a6f7 Incorrect check. 
llvm-svn: 37962
 2007-07-06 23:23:19 +00:00
Evan Cheng
3b1b3eba6a Do away with ImmutablePredicateOperand. 
llvm-svn: 37961
 2007-07-06 23:22:46 +00:00
Evan Cheng
88acbacd35 isUnpredicatedTerminator should treat conditional branches as unpredicated terminator. 
llvm-svn: 37960
 2007-07-06 23:22:03 +00:00
Evan Cheng
776d4d6e11 Do away with ImmutablePredicateOperand. 
llvm-svn: 37959
 2007-07-06 23:21:02 +00:00