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32879 Commits

Author SHA1 Message Date
Evan Cheng 30565998bb Fix a couple of typos and be smarter about order of blocks when ifcvt a diamond. 
llvm-svn: 37449
 2007-06-06 00:57:55 +00:00
Devang Patel 3c6ab49051 Rename. 
llvm-svn: 37448
 2007-06-06 00:49:02 +00:00
Devang Patel d7d3d71c7a Simplify class hierarchy. 
llvm-svn: 37447
 2007-06-06 00:46:36 +00:00
Devang Patel 506310d3dd Avoid non-trivial loop unswitching while optimizing for size. 
llvm-svn: 37446
 2007-06-06 00:21:03 +00:00
Chris Lattner 31f82dff21 Fix a user-reported error building with GCC 3.4.4 on Cygwin. 
llvm-svn: 37445
 2007-06-05 23:49:06 +00:00
Evan Cheng 7948422b78 Fix diamond shape ifcvt bugs. 
llvm-svn: 37444
 2007-06-05 23:46:14 +00:00
Owen Anderson ddbe430732 Fix a misunderstanding of the algorithm. Really, we should be tracking values 
and expression separately.  We can get around this, however, by only keeping
opaque values in TMP_GEN.

llvm-svn: 37443
 2007-06-05 23:46:12 +00:00
Owen Anderson c84720913a Don't leak memory. 
llvm-svn: 37442
 2007-06-05 22:11:49 +00:00
Evan Cheng c1a0b8ce1d ReplaceUsesOfBlockWith() can modify the predecessors list. 
llvm-svn: 37441
 2007-06-05 22:03:53 +00:00
Evan Cheng 3e5bf0827c Do not ifcvt if either true / false path is a backedge. Not profitable in almost all cases. 
llvm-svn: 37440
 2007-06-05 20:38:42 +00:00
Devang Patel 3e6519e9fa Fix PR 1497 
Use separate pass id for CFGOnlyPrinter.

llvm-svn: 37439
 2007-06-05 20:24:36 +00:00
Devang Patel 753b63cb5b New test. 
llvm-svn: 37438
 2007-06-05 20:23:20 +00:00
Evan Cheng 5c48958a61 Print predicate of the second instruction of the two-piece constant MI. 
llvm-svn: 37437
 2007-06-05 18:55:18 +00:00
Owen Anderson 9b89e4b561 Fix a small bug, some 80 cols violations, and add some more debugging output. 
llvm-svn: 37436
 2007-06-05 17:31:23 +00:00
Dan Gohman 151169df1e Allow insertelement, extractelement, and shufflevector to be hoisted/sunk 
by LICM.

llvm-svn: 37435
 2007-06-05 16:05:55 +00:00
Evan Cheng 252695f0f6 PIC label asm printing cosmetic changes. 
llvm-svn: 37434
 2007-06-05 07:36:38 +00:00
Evan Cheng 2c1acd6d9e I had a senior moment. 
llvm-svn: 37433
 2007-06-05 07:05:25 +00:00
Zhou Sheng 2444a9adeb Commit first round work of PR1373. "noalias" is now fully supported in 
VMCore, BitCode, and Assembly. Documentation and test case paramattrs.ll
updated also.

llvm-svn: 37432
 2007-06-05 05:28:26 +00:00
Evan Cheng 59754300a8 New test. 
llvm-svn: 37431
 2007-06-05 01:45:08 +00:00
Evan Cheng 6e4babe8cc If the predicated block requires an early exit, end the block there and add a unconditional branch to false block. AnalyzeBranch() does not understand early exits. 
llvm-svn: 37430
 2007-06-05 01:31:40 +00:00
Evan Cheng 17aad8164e Fix some subtle bugs: bug during succeessor copying; incorrectly updating states of ifcvted blocks. 
llvm-svn: 37429
 2007-06-05 00:07:37 +00:00
Bill Wendling 6357bf20fa Patches by Chuck Rose to unbreak V Studio builds. 
Thanks Chuck!

llvm-svn: 37428
 2007-06-04 23:52:59 +00:00
Dale Johannesen 0558dda319 Tail merging wasn't working for predecessors of landing pads. PR 1496. 
llvm-svn: 37427
 2007-06-04 23:52:54 +00:00
Devang Patel b3adb9876a s/ETNode::getChildren/ETNode::getETNodeChildren/g 
llvm-svn: 37426
 2007-06-04 23:45:02 +00:00
Owen Anderson 3c9d8eef21 Don't use std::set_difference when the two sets are sorted differently. Compute 
the difference manually instead.

This allows GVNPRE to produce correct analysis for the example in the GVNPRE
paper.

llvm-svn: 37425
 2007-06-04 23:34:56 +00:00
Owen Anderson 3df5299f94 Fix a bunch of small bugs, and improve the debugging output significantly. 
llvm-svn: 37424
 2007-06-04 23:28:33 +00:00
Chris Lattner d7897d40b6 When rebuilding constant structs, make sure to honor the isPacked bit. 
This fixes PR1491 and GlobalOpt/2007-06-04-PackedStruct.ll

llvm-svn: 37423
 2007-06-04 22:23:42 +00:00
Chris Lattner 084c20fcc0 new testcase for PR1491 
llvm-svn: 37422
 2007-06-04 22:23:17 +00:00
Evan Cheng 53ce7de03b Global ctors / dtors alignment shouldn't be hard-coded at 4. e.g. It could be 8 for 64-bit targets. 
llvm-svn: 37421
 2007-06-04 20:39:18 +00:00
Evan Cheng 91233153bf Forgot to check for if iterator reached the end. 
llvm-svn: 37420
 2007-06-04 20:33:36 +00:00
Evan Cheng 59ca6a846f Misuse of hasExternalLinkage(), should be checking isDeclaration(). 
llvm-svn: 37419
 2007-06-04 18:54:57 +00:00
Owen Anderson 38b6b22a41 Make phi_translate correct. 
llvm-svn: 37418
 2007-06-04 18:05:26 +00:00
Devang Patel 4a7c2830d4 Add FIXMEs. 
llvm-svn: 37417
 2007-06-04 17:38:00 +00:00
Devang Patel f7a4aad658 Remove unused method. 
llvm-svn: 37416
 2007-06-04 16:49:36 +00:00
Devang Patel ebc5b96735 s/DominatorTree::createNewNode/DominatorTree::addNewBlock/g 
llvm-svn: 37415
 2007-06-04 16:43:25 +00:00
Devang Patel a89566aefd Add basic block level interface to change immediate dominator 
and create new node.

llvm-svn: 37414
 2007-06-04 16:22:33 +00:00
Dan Gohman b4c2690446 Pass the DAG to SDNode::dump to let it do more detailed dumps in some cases. 
llvm-svn: 37413
 2007-06-04 16:17:33 +00:00
Dan Gohman a23ef8a8f2 Remove the operator<< for MVT::ValueType in preparation for MVT::ValueType 
being changed from an enum to an integer type, which can't have a custom
operator<< overload.

llvm-svn: 37412
 2007-06-04 16:11:03 +00:00
Dan Gohman 92a7f3a65e Resolve implicit alignment before computing the FoldingSet information so 
that the CSE map always contains explicit alignment information. This allows
more loads to be CSE'd when there is a mix of explicit-alignment loads and
implicit-alignment loads.

Also, in SelectionDAG::FindModifiedNodeSlot, add the operands to the
FoldingSetNodeID before the load/store information instead of after, so
that it matches what is done elsewhere.

llvm-svn: 37411
 2007-06-04 15:49:41 +00:00
Devang Patel d609374ab3 Fix LLVM build on NetBSD. Patch by Neil Booth. 
llvm-svn: 37410
 2007-06-04 15:28:57 +00:00
Evan Cheng 312b723af2 Let IfConverter loose. Allow more aggressive subsumptions; reorder basic blocks to expose more ifcvt opportunities; code clean up and fixes. 
llvm-svn: 37409
 2007-06-04 06:47:22 +00:00
Evan Cheng df75785594 Move ReplaceUsesOfBlockWith() out of BranchFolding into a MachineBasicBlock general facility. 
llvm-svn: 37408
 2007-06-04 06:44:01 +00:00
Devang Patel bdd1aaef10 s/llvm::DominatorTreeBase::DomTreeNode/llvm::DomTreeNode/g 
llvm-svn: 37407
 2007-06-04 00:32:22 +00:00
Owen Anderson 0eca9aad10 Don't use the custom comparator where it's not necessary. 
llvm-svn: 37406
 2007-06-03 22:02:14 +00:00
Anton Korobeynikov b781886de7 Add comments to fallsthrough cases. Also, this fixes PR1492 
llvm-svn: 37405
 2007-06-03 19:20:49 +00:00
Anton Korobeynikov 8c32c1114f Check arguments & return types of main(). Abort in case of no match. 
llvm-svn: 37404
 2007-06-03 19:17:35 +00:00
Devang Patel 0e8aa7b69a s/DominatorTreeBase::Node/DominatorTreeBase:DomTreeNode/g 
llvm-svn: 37403
 2007-06-03 06:26:14 +00:00
Owen Anderson 46499645db Remove an unused method. 
llvm-svn: 37402
 2007-06-03 05:58:25 +00:00
Owen Anderson 0b68cda302 There's no need to have an Expression class... Value works just as well! This simplifies a lot of code. 
llvm-svn: 37401
 2007-06-03 05:55:58 +00:00
Chris Lattner 446548d2a3 update this entry, now that Anton implemented shift/and lowering for 
switches.  There is one really easy isel thing here with tst we are not
getting.

llvm-svn: 37400
 2007-06-02 18:45:14 +00:00