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3200 Commits

Author SHA1 Message Date
Bill Wendling
bfa7cfd7c7 Propagate debug loc info for BIT_CONVERT. 
llvm-svn: 63439
 2009-01-30 22:44:24 +00:00
Bill Wendling
c05f48a66d Propagate debug loc info for more *_EXTEND methods. 
llvm-svn: 63437
 2009-01-30 22:33:24 +00:00
Bill Wendling
ca9c42acf5 Propagate debug loc info for ANY_EXTEND. 
llvm-svn: 63436
 2009-01-30 22:27:33 +00:00
Bill Wendling
5c326f6512 Propagate debug loc info for some of the *_EXTEND functions. 
llvm-svn: 63434
 2009-01-30 22:23:15 +00:00
Bill Wendling
211088dc71 DebugLoc form of getNOT(). 
llvm-svn: 63433
 2009-01-30 22:11:22 +00:00
Bill Wendling
de0da1da41 - Propagate debug loc info for SELECT. 
- Added xform for (select X, 1, Y) and (select X, Y, 0), which was commented on,
  but missing.

llvm-svn: 63428
 2009-01-30 22:02:18 +00:00
Bill Wendling
18aa03303b Propagate debug loc info for Shifts. 
llvm-svn: 63424
 2009-01-30 21:37:17 +00:00
Bill Wendling
8f8bb57472 Propagate debug loc info for XOR and MatchRotate. 
llvm-svn: 63420
 2009-01-30 21:14:50 +00:00
Bill Wendling
d62cec3ba3 Propagate debug loc info for OR. Also clean up some comments. 
llvm-svn: 63419
 2009-01-30 20:59:34 +00:00
Bill Wendling
e74546802d Perform obvious constant arithmetic folding. 
llvm-svn: 63417
 2009-01-30 20:50:00 +00:00
Bill Wendling
4f61644d4c Propagate debug loc info for AND. Also clean up some comments. 
llvm-svn: 63416
 2009-01-30 20:43:18 +00:00
Bill Wendling
79d8e31a5a Propagate debug loc info in SimplifyBinOpWithSameOpcodeHands. 
llvm-svn: 63411
 2009-01-30 19:25:47 +00:00
Bill Wendling
4d923185fc Propagate debug loc info in SimplifyNodeWithTwoResults. 
llvm-svn: 63376
 2009-01-30 03:08:40 +00:00
Bill Wendling
7067a571ce Propagate debug loc info for MULHS. 
llvm-svn: 63375
 2009-01-30 03:00:18 +00:00
Bill Wendling
031d7dcfe2 Propagate debug loc info for SREM and UREM. 
llvm-svn: 63374
 2009-01-30 02:57:00 +00:00
Bill Wendling
f4506379ae Propagate debug loc info for UDIV. 
llvm-svn: 63373
 2009-01-30 02:55:25 +00:00
Bill Wendling
532bb33a10 Propagate debug loc info for SDIV. 
llvm-svn: 63372
 2009-01-30 02:52:17 +00:00
Bill Wendling
577589aa4a Forgot to propagate debug loc info here. 
llvm-svn: 63371
 2009-01-30 02:49:26 +00:00
Bill Wendling
ff10c16660 Propagate debug loc info for MUL. 
llvm-svn: 63369
 2009-01-30 02:45:56 +00:00
Bill Wendling
a7791b0e4e Propagate debug loc info in SUB. 
llvm-svn: 63368
 2009-01-30 02:42:10 +00:00
Bill Wendling
665afce822 Propagate debug loc info in ADDC and ADDE. 
llvm-svn: 63367
 2009-01-30 02:38:00 +00:00
Bill Wendling
1ad9d3d9d1 Propagate debug loc info in DAG combine's "ADD". 
llvm-svn: 63366
 2009-01-30 02:31:17 +00:00
Bill Wendling
030f0fced8 - Propagate debug loc info in combineSelectAndUse(). 
- Modify ReassociateOps so that the resulting SDValue is what the comment claims
  it is.

llvm-svn: 63365
 2009-01-30 02:23:43 +00:00
Dale Johannesen
4855b2e85d Propagate debug info when building SelectionDAG. 
llvm-svn: 63359
 2009-01-30 01:34:22 +00:00
Bill Wendling
31986c393f Propagate debug location info for the token factor. 
llvm-svn: 63355
 2009-01-30 01:13:16 +00:00
Bill Wendling
8165903969 Add DebugLoc propagation to some of the methods in DAG combiner. 
llvm-svn: 63350
 2009-01-30 00:45:56 +00:00
Dan Gohman
ad5e59783b Explicitly add PseudoSourceValue information when lowering 
BUILD_VECTOR and conversions to stack operations.

llvm-svn: 63333
 2009-01-29 21:02:43 +00:00
Dan Gohman
cfbb66cf90 Make a few things const, fix some comments, and simplify 
some assertions.

llvm-svn: 63328
 2009-01-29 19:49:27 +00:00
Dan Gohman
d04298a684 Fix two typos that Duncan spotted in a comment. 
llvm-svn: 63312
 2009-01-29 16:18:12 +00:00
Dan Gohman
14959cba72 In the case of an extractelement on an insertelement value, 
the element indices may be equal if either one is not a
constant.

llvm-svn: 63311
 2009-01-29 16:10:46 +00:00
Bill Wendling
fc00dc63dc Revert r63273. This was already implemented by Dale. There's no need for my 
change.

llvm-svn: 63301
 2009-01-29 09:01:55 +00:00
Bill Wendling
c65110ba7e - Add DebugLoc to getTargetNode(). 
- Modify TableGen to add the DebugLoc when calling getTargetNode.

(The light-weight wrappers are only temporary. The non-DebugLoc version will be
removed once the whole debug info stuff is finished with.)

llvm-svn: 63273
 2009-01-29 05:27:31 +00:00
Dan Gohman
9d120d6d8f Make x86's BT instruction matching more thorough, and add some 
dagcombines that help it match in several more cases. Add
several more cases to test/CodeGen/X86/bt.ll. This doesn't
yet include matching for BT with an immediate operand, it
just covers more register+register cases.

llvm-svn: 63266
 2009-01-29 01:59:02 +00:00
Dale Johannesen
9d1e40ac34 Add DebugLoc-sensitive versions of many node creation 
functions.  Currently omitted:  memcpy, memmove, memset.

llvm-svn: 63259
 2009-01-29 00:47:48 +00:00
Bill Wendling
03582504e0 Add DebugLoc to the getNode() methods. 
llvm-svn: 63245
 2009-01-28 22:17:52 +00:00
Dale Johannesen
48b6d8aea9 Add DebugLoc-aware constructors for SDNode derived 
classes (those that reasonably have a DebugLoc
associated with them).

llvm-svn: 63236
 2009-01-28 21:18:29 +00:00
Mon P Wang
881e7e990a Fixed extract element when the result needs to be promoted and the input widened. 
llvm-svn: 63217
 2009-01-28 18:53:39 +00:00
Dan Gohman
bc43253a91 Make isOperationLegal do what its name suggests, and introduce a 
new isOperationLegalOrCustom, which does what isOperationLegal
previously did.

Update a bunch of callers to use isOperationLegalOrCustom
instead of isOperationLegal. In some case it wasn't obvious
which behavior is desired; when in doubt I changed then to
isOperationLegalOrCustom as that preserves their previous
behavior.

This is for the second half of PR3376.

llvm-svn: 63212
 2009-01-28 17:46:25 +00:00
Duncan Sands
7c360defc8 Formatting. 
llvm-svn: 63199
 2009-01-28 14:42:54 +00:00
Duncan Sands
aee16d4916 Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
llvm-svn: 63198
 2009-01-28 13:14:17 +00:00
Dan Gohman
fbeb86765e Use ValueType::bitsLT to simplify some code. 
llvm-svn: 63170
 2009-01-28 03:10:52 +00:00
Dan Gohman
0efa2bd617 Use ZERO_EXTEND instead of ANY_EXTEND when promoting 
shift amounts, to avoid implicitly assuming that
target architectures will ignore the high bits.

llvm-svn: 63169
 2009-01-28 02:58:31 +00:00
Dan Gohman
0400e83ed8 Add an assertion to the form of SelectionDAG::getConstant that takes 
a uint64_t to verify that the value is in range for the given type,
to help catch accidental overflow. Fix a few places that relied on
getConstant implicitly truncating the value.

llvm-svn: 63128
 2009-01-27 20:39:34 +00:00
Dan Gohman
00f7052bbb Delete redundant return statements. 
llvm-svn: 63120
 2009-01-27 19:23:22 +00:00
Duncan Sands
276b736496 Fix PR3393, which amounts to a bug in the expensive 
checking logic.  Rather than make the checking more
complicated, I've tweaked some logic to make things
conform to how the checking thought things ought to
be, since this results in a simpler "mental model".

llvm-svn: 63048
 2009-01-26 21:54:18 +00:00
Anton Korobeynikov
39dee7256d During bittest switch lowering emit shift in the test block, which should (theoretically) 
allow us to generate more efficient code. We don't do this now though :)

llvm-svn: 63027
 2009-01-26 19:26:01 +00:00
Dan Gohman
4abaebae0c Take the next steps in making SDUse more consistent with LLVM Use, and 
tidy up SDUse and related code.
 - Replace the operator= member functions with a set method, like
   LLVM Use has, and variants setInitial and setNode, which take
   care up updating use lists, like LLVM Use's does. This simplifies
   code that calls these functions.
 - getSDValue() is renamed to get(), as in LLVM Use, though most
   places can either use the implicit conversion to SDValue or the
   convenience functions instead.
 - Fix some more node vs. value terminology issues.

Also, eliminate the one remaining use of SDOperandPtr, and
SDOperandPtr itself.

llvm-svn: 62995
 2009-01-26 04:35:06 +00:00
Dan Gohman
15770b411b Eliminate the loop that searches through each of the operands 
of each use in the SelectionDAG ReplaceAllUses* functions. Thanks
to Chris for spotting this opportunity.

Also, factor out code from all 5 of the ReplaceAllUses* functions
into AddNonLeafNodeToCSEMaps, which is now renamed
AddModifiedNodeToCSEMaps to more accurately reflect its purpose.

llvm-svn: 62964
 2009-01-25 16:29:12 +00:00
Dan Gohman
1302160ad4 Whitespace tidiments. 
llvm-svn: 62963
 2009-01-25 16:21:38 +00:00
Dan Gohman
1de7d569cf Move the N->use_empty() assert from DeleteNode to 
DeleteNodeNotInCSEMaps, since DeleteNode just calls
DeleteNodeNotInCSEMaps.

llvm-svn: 62962
 2009-01-25 16:20:37 +00:00