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29153 Commits

Author SHA1 Message Date
Chris Lattner
2f690cb2dd Fix PR4466 by making fastisel set operand flags correctly. 
llvm-svn: 74366
 2009-06-27 01:31:51 +00:00
Chris Lattner
ce7f3c052e fix a typo that GCC should have caught that causes crashes with -view-*-dags 
llvm-svn: 74364
 2009-06-27 00:57:02 +00:00
David Goodwin
e1979dfbf5 Remove outdated comment. 
llvm-svn: 74357
 2009-06-26 23:39:02 +00:00
David Goodwin
90fc344e41 When possible, use "mvn ra, rb" instead of "eor ra, rb, -1" because mvn has a narrow version and eor(i) does not. 
llvm-svn: 74355
 2009-06-26 23:13:13 +00:00
Dan Gohman
4f74e815f1 Incorporate the insertion point into the key of SCEVExpander's CSE map. 
This helps it avoid reusing an instruction that doesn't dominate all
of the users, in cases where the original instruction was inserted
before all of the users were known.  This may result in redundant
expansions of sub-expressions that depend on loop-unpredictable values
in some cases, however this isn't very common, and it primarily impacts
IndVarSimplify, so GVN can be expected to clean these up.

This eliminates the need for IndVarSimplify's FixUsesBeforeDefs,
which fixes several bugs.

llvm-svn: 74352
 2009-06-26 22:53:46 +00:00
Devang Patel
4f5d296df0 Remove unused routines. 
llvm-svn: 74351
 2009-06-26 22:53:22 +00:00
David Greene
d33e8e7d83 Add feature flags for AVX and FMA and fix some SSE4A feature flag 
initialization problems.

llvm-svn: 74350
 2009-06-26 22:46:54 +00:00
Dan Gohman
9e78d55440 Fix ScalarEvolution::getAddRecExpr's code which canonicalized the 
nesting order of nested AddRec expressions to skip the transformation
if it would introduce an AddRec with operands not loop-invariant
with respect to its loop.

llvm-svn: 74343
 2009-06-26 22:36:20 +00:00
Dan Gohman
e8b1947a18 Fix SCEVAddRecExpr::isLoopInvariant to test if all of its operands 
are loop invariant, not just the start operand.

llvm-svn: 74338
 2009-06-26 22:17:21 +00:00
Evan Cheng
016ed65455 Add x86 support for 'n' inline asm modifier. This will be handled target independently as part of MC work. 
llvm-svn: 74336
 2009-06-26 22:00:19 +00:00
Chris Lattner
3a48623aef simplify printing of MO_ExternalSymbol in a non-pcrel context. 
llvm-svn: 74334
 2009-06-26 21:47:27 +00:00
Owen Anderson
7fdfd4be66 Privatize some data. 
llvm-svn: 74332
 2009-06-26 21:45:04 +00:00
Owen Anderson
2bcd131128 Constify this value. 
llvm-svn: 74330
 2009-06-26 21:39:56 +00:00
Anton Korobeynikov
aab56476b2 Split thumb-related stuff into separate classes. 
Step 1: ARMInstructionInfo => {ARM,Thumb}InstructionInfo

llvm-svn: 74329
 2009-06-26 21:28:53 +00:00
Chris Lattner
a8ee785cef add %rip to the GR64 register class. Lets avoid allocating it to anything though! :) 
llvm-svn: 74328
 2009-06-26 21:25:00 +00:00
Chris Lattner
1f3d17f45d Move all the TLS processing logic into isel, don't do it in asmprinter at all. 
llvm-svn: 74327
 2009-06-26 21:20:29 +00:00
Chris Lattner
ae824fc834 make sure to propagate operand flags in SelectTLSADDRAddr properly. 
llvm-svn: 74326
 2009-06-26 21:18:37 +00:00
Chris Lattner
ca9aefcc93 fix a really subtle bug in the cross section of aliases and TLS: 
the SelectionDAG::getGlobalAddress function properly looks through
aliases to determine thread-localness, but then passes the GV* down
to GlobalAddressSDNode::GlobalAddressSDNode which does not.  Instead
of passing down isTarget, just pass down the predetermined node
opcode.  This fixes some assertions with out of tree changes I'm 
working on.

llvm-svn: 74325
 2009-06-26 21:14:05 +00:00
David Goodwin
921faa64cd Thumb-2 has CLZ. 
llvm-svn: 74322
 2009-06-26 20:47:43 +00:00
David Goodwin
9da977f216 Use "adcs/sbcs" only when the carry-out is live, otherwise use "adc/sbc". 
llvm-svn: 74321
 2009-06-26 20:45:56 +00:00
Owen Anderson
0cf6b34d5d Get rid of these cache variables, which are a holdover from the days when 
we had multiple type planes and these lookups were expensive.

llvm-svn: 74319
 2009-06-26 20:33:47 +00:00
Owen Anderson
633060240c Make this const. 
llvm-svn: 74317
 2009-06-26 20:21:18 +00:00
Chris Lattner
a56bff5e36 minor cleanup/framework changes. 
llvm-svn: 74316
 2009-06-26 20:00:05 +00:00
Owen Anderson
333c8af1b1 Privatize some variables. 
llvm-svn: 74315
 2009-06-26 19:48:37 +00:00
Chris Lattner
0a0494b4f9 move magic for PIC constantpool references from asmprinter to isel. 
llvm-svn: 74313
 2009-06-26 19:22:52 +00:00
Chris Lattner
0fee902c2d implement DOTGraphTraits<SelectionDAG*>::getNodeLabel in terms of 
SDNode::print_details to eliminate a ton of near-duplicate code.

llvm-svn: 74311
 2009-06-26 19:06:10 +00:00
Chris Lattner
45946d9021 use jump table operand flags in asm printer instead of "magic predicates" 
llvm-svn: 74310
 2009-06-26 18:55:01 +00:00
Owen Anderson
1069071612 Use atomic operations for accessing this global counter. 
llvm-svn: 74294
 2009-06-26 18:09:03 +00:00
David Goodwin
46eb5a7a2d ADC used to implement adde should use "adcs" opcode instead of "adc". 
llvm-svn: 74293
 2009-06-26 18:07:25 +00:00
Owen Anderson
6448beadc8 Get rid of unnecessary global variables. 
llvm-svn: 74291
 2009-06-26 16:46:15 +00:00
David Goodwin
877790aa5f Currently there is a pattern for the thumb-2 MOV 16-bit immediate instruction. That instruction cannot write the flags so it should use T2I instead of T2sI. 
Also, added a pattern for the thumb-2 MOV of shifted immediate since that can encode immediates not encodable by the 16-bit immediate.

llvm-svn: 74288
 2009-06-26 16:10:07 +00:00
Douglas Gregor
6d9b0e8c19 Fix linking of llvm-ld and lli with CMake, from Xerxes Rånby 
llvm-svn: 74285
 2009-06-26 15:37:00 +00:00
Owen Anderson
77f965d8b2 Fix compilation without pthreads. 
Patch by Xerxes Ranby.

llvm-svn: 74283
 2009-06-26 08:48:03 +00:00
Evan Cheng
b93625f89e Simplify predicate CarryDefIsUsed. 
llvm-svn: 74277
 2009-06-26 06:10:18 +00:00
Chris Lattner
497d0ec530 fix a pasto. 
llvm-svn: 74275
 2009-06-26 05:56:49 +00:00
Chris Lattner
05eabf4f95 dot graph viewing is apparently not using SDNode::print_details, this is bad, 
but in the meantime lets print targetflags on node labels.

llvm-svn: 74274
 2009-06-26 05:55:43 +00:00
Chris Lattner
3aef0c897e propagate target operand flags from dag nodes into MachineOperands. 
llvm-svn: 74273
 2009-06-26 05:52:14 +00:00
Chris Lattner
93af5249a1 propagate target operand flags through addressing mode selection. 
llvm-svn: 74272
 2009-06-26 05:51:45 +00:00
Chris Lattner
181d139bc3 fit in 80 cols 
llvm-svn: 74270
 2009-06-26 05:39:02 +00:00
Nick Lewycky
ce25b7e7e6 Escape the name of the module since it comes from the file name and may include 
invalid characters like backslashes on Windows. Patch by James Abbatiello!

llvm-svn: 74265
 2009-06-26 04:33:37 +00:00
Devang Patel
a7a5664fbb Let's ignore MDStrings also! 
llvm-svn: 74255
 2009-06-26 02:26:12 +00:00
Daniel Dunbar
f7c439154f Fix may-be-used-uninitialized warning. 
llvm-svn: 74253
 2009-06-26 02:03:52 +00:00
Devang Patel
84a8914a4a Remove debug info anchors - llvm.dbg.compile_units, llvm.dbg.subprograms 
and llvm.dbg.global_variables.

llvm-svn: 74251
 2009-06-26 01:49:18 +00:00
Daniel Dunbar
0d9b275e55 Fix unused variable warnings. 
llvm-svn: 74250
 2009-06-26 01:34:35 +00:00
Owen Anderson
ba05ead9db Fix error in the Win32 implementation pointed out by Howard Su. 
llvm-svn: 74248
 2009-06-26 00:51:20 +00:00
Chris Lattner
05eb63598b start adding logic in isel to determine asm printer semantics, step N of M. 
llvm-svn: 74246
 2009-06-26 00:43:52 +00:00
Dan Gohman
71b1c43d91 Change this code to a form about which VC++ reportedly isn't unhappy. 
llvm-svn: 74243
 2009-06-26 00:35:12 +00:00
Dan Gohman
ba8760719f Fix LCSSA to avoid emitting a PHI node for the unwind destination of 
an invoke instruction, since the value isn't really live across that
edge.

llvm-svn: 74242
 2009-06-26 00:31:13 +00:00
Evan Cheng
2eb1525e2a Add a note about commuting conditional move. 
llvm-svn: 74241
 2009-06-26 00:28:48 +00:00
Dan Gohman
3983d5070b Minor code simplification. 
llvm-svn: 74240
 2009-06-26 00:26:03 +00:00