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29218 Commits

Author SHA1 Message Date
Dan Gohman
592d4b6ee0 Convert ScalarEvolution to use BumpPtrAllocator and FoldingSet, instead 
of a team of individual allocations and a team of std::maps.

llvm-svn: 74393
 2009-06-27 21:21:31 +00:00
Dan Gohman
36f9ee7670 Change SCEVExpander to use an IRBuilder to emit instructions. 
llvm-svn: 74391
 2009-06-27 21:18:18 +00:00
Anton Korobeynikov
7231e149ef Simplify a bit 
llvm-svn: 74385
 2009-06-27 12:59:03 +00:00
Anton Korobeynikov
1db77899c1 ARM refactoring. Step 2: split RegisterInfo 
llvm-svn: 74384
 2009-06-27 12:16:40 +00:00
Douglas Gregor
6ee152cc94 Add ThumbInstrInfo.cpp to the CMake makefiles 
llvm-svn: 74382
 2009-06-27 07:44:59 +00:00
Chris Lattner
4d88bfc0d6 remove a bunch of fixmes (old checking code) and commonize all the 
target-specific operand printing functionality.  Yay.

llvm-svn: 74379
 2009-06-27 05:46:24 +00:00
Chris Lattner
9571347ce0 pull @GOT, @GOTOFF, @GOTPCREL handling into isel from the asmprinter. 
llvm-svn: 74378
 2009-06-27 05:39:56 +00:00
Chris Lattner
2dcba29672 simplify some code and eliminate the symbolicAddressesAreRIPRel() predicate. 
llvm-svn: 74377
 2009-06-27 05:24:12 +00:00
Dan Gohman
4acfd5098d When a value is used multiple times within a single PHI, instructions 
inserted to replace that value must dominate all of of the basic
blocks associated with the uses of the value in the PHI, not just
one of them.

llvm-svn: 74376
 2009-06-27 05:16:57 +00:00
Chris Lattner
bab7dd08d2 fix clang/test/CodeGenObjC/try.m, a basereg doesn't mean no global anymore. 
llvm-svn: 74375
 2009-06-27 04:50:14 +00:00
Chris Lattner
82058e92a0 fix a bunch of failures in the X86-64 JIT by tolerating RIP as 
a base register.  We just ignore it for now.

llvm-svn: 74374
 2009-06-27 04:46:33 +00:00
Chris Lattner
e711b85035 factor some logic out into a helper function, allow remat of loads from constant 
globals.  This implements remat-constant.ll even without aggressive-remat.

llvm-svn: 74373
 2009-06-27 04:38:55 +00:00
Chris Lattner
19eb0dad26 Reimplement rip-relative addressing in the X86-64 backend. The new 
implementation primarily differs from the former in that the asmprinter
doesn't make a zillion decisions about whether or not something will be
RIP relative or not.  Instead, those decisions are made by isel lowering
and propagated through to the asm printer.  To achieve this, we:

1. Represent RIP relative addresses by setting the base of the X86 addr
   mode to X86::RIP.
2. When ISel Lowering decides that it is safe to use RIP, it lowers to
   X86ISD::WrapperRIP.  When it is unsafe to use RIP, it lowers to
   X86ISD::Wrapper as before.
3. This removes isRIPRel from X86ISelAddressMode, representing it with
   a basereg of RIP instead.
4. The addressing mode matching logic in isel is greatly simplified.
5. The asmprinter is greatly simplified, notably the "NotRIPRel" predicate
   passed through various printoperand routines is gone now.
6. The various symbol printing routines in asmprinter now no longer infer
   when to emit (%rip), they just print the symbol.

I think this is a big improvement over the previous situation.  It does have
two small caveats though: 1. I implemented a horrible "no-rip" modifier for
the inline asm "P" constraint modifier.  This is a short term hack, there is
a much better, but more involved, solution.  2. I had to xfail an 
-aggressive-remat testcase because it isn't handling the use of RIP in the
constant-pool reading instruction.  This specific test is easy to fix without
-aggressive-remat, which I intend to do next.

llvm-svn: 74372
 2009-06-27 04:16:01 +00:00
Chris Lattner
0ce83b0e95 When doing remat, don't consider uses of non-allocatable physregs. Patch 
by Evan.

llvm-svn: 74370
 2009-06-27 04:06:41 +00:00
Evan Cheng
817712377a Renaming for consistency. 
llvm-svn: 74368
 2009-06-27 02:26:13 +00:00
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
Evan Cheng
f23c8a5c8a These are done / no longer applicable. 
llvm-svn: 74239
 2009-06-26 00:25:27 +00:00
Evan Cheng
4f0e461e97 Mark a bunch of instructions commutable. 
llvm-svn: 74237
 2009-06-26 00:19:44 +00:00
Evan Cheng
e45355b804 tst is also commutable. 
llvm-svn: 74236
 2009-06-26 00:19:07 +00:00
Owen Anderson
4aee97b0e3 Committed the wrong version in my last commit. 
llvm-svn: 74235
 2009-06-26 00:17:05 +00:00
Owen Anderson
22fb1f445e Privatize a static variable. 
llvm-svn: 74234
 2009-06-26 00:15:27 +00:00
Owen Anderson
40fd8971d3 Guards for the compiler driver plugin list. 
llvm-svn: 74230
 2009-06-26 00:06:28 +00:00
Evan Cheng
4ac765118d Select ADC, SBC, and RSC instead of the ADCS, SBCS, and RSCS when the carry bit def is not used. 
llvm-svn: 74228
 2009-06-25 23:34:10 +00:00
Owen Anderson
5417ad7e3b Support thread-local pretty stack traces. 
llvm-svn: 74227
 2009-06-25 23:31:33 +00:00
Owen Anderson
3a892a63b7 Add support for const thread locals. 
llvm-svn: 74226
 2009-06-25 23:31:18 +00:00
Owen Anderson
8d5f9675c7 Fix typo in assertion. 
llvm-svn: 74225
 2009-06-25 23:28:28 +00:00
David Goodwin
74414108e9 Use MVN for ~t2_so_imm immediates. 
llvm-svn: 74223
 2009-06-25 23:11:21 +00:00
Owen Anderson
59ffd85020 Add a configure test for pthread_getspecific, and use it when building ThreadLocal. 
llvm-svn: 74222
 2009-06-25 23:10:26 +00:00
David Goodwin
a0ed5f6847 Add Def/Use of CPSR for Thumb-1 instructions. 
llvm-svn: 74219
 2009-06-25 22:49:55 +00:00
Devang Patel
32bbebe82f Simplify. 
llvm-svn: 74215
 2009-06-25 22:36:02 +00:00
Evan Cheng
331e7cc684 Unbreak mingw build. Patch by Viktor Kutuzov. 
llvm-svn: 74212
 2009-06-25 22:04:44 +00:00
Owen Anderson
aef431f9cb Update cmake build files. 
llvm-svn: 74210
 2009-06-25 21:58:34 +00:00
Owen Anderson
e716e57779 Add a class for supporting platform independent thread-local storage. 
Windows people, please double-check/patch this.

llvm-svn: 74209
 2009-06-25 21:58:01 +00:00
Chris Lattner
6a77e841e8 add targetflags to jump tables and constant pool entries. 
llvm-svn: 74204
 2009-06-25 21:35:31 +00:00
Chris Lattner
f94959f1a3 allow setting target operand flags on TargetGlobalAddress nodes. 
llvm-svn: 74203
 2009-06-25 21:21:14 +00:00
Daniel Dunbar
3d3f776dc9 MC: Truncate values when printing, to keep 'as' happy. 
llvm-svn: 74201
 2009-06-25 21:03:18 +00:00
Evan Cheng
0cced3daa8 ISD::ADDE / ISD::SUBE updates the carry bit so they should isle to ADCS and SBCS / RSCS. 
llvm-svn: 74200
 2009-06-25 20:59:23 +00:00
Chris Lattner
55fdaaf6e7 start bringing targetoperand flags into isel, first up, ExternalSymbol. 
llvm-svn: 74199
 2009-06-25 18:45:50 +00:00
Mikhail Glushenkov
e665ff7b38 Make -save-temps behave like in GCC 4.5. 
The -save-temps option now behaves like described in GCC 4.5 release notes
(you can specify output directory for temporary files with -save-temps=obj
-o $DIRNAME). I do not have GCC 4.5 installed, so if there are any
inconsistencies between llvmc and GCC in the implementation of this
feature, please let me know.

llvm-svn: 74190
 2009-06-25 18:20:10 +00:00
Owen Anderson
7e0ff6ab63 Privatize this map. 
llvm-svn: 74189
 2009-06-25 18:13:04 +00:00
Owen Anderson
d1598408ce Guard dynamic library loading. 
I did my best at implementing this for Win32, but I don't have a way to test it.
Can someone with access to a Win32 machine test/fix this?

llvm-svn: 74188
 2009-06-25 18:12:44 +00:00
Sanjiv Gupta
a68f1e8cbf Added floating point conditional operations support via libcalls. 
llvm-svn: 74187
 2009-06-25 18:12:06 +00:00
Chris Lattner
2aaaf51beb simplify shouldPrintPLT 
llvm-svn: 74186
 2009-06-25 17:58:52 +00:00
David Goodwin
c72bad36d7 Test commit 
llvm-svn: 74185
 2009-06-25 17:52:32 +00:00
Chris Lattner
8c562c2f76 Use target-specific machine operand flags to eliminate a gross hack 
from the asmprinter.

llvm-svn: 74184
 2009-06-25 17:38:33 +00:00
Chris Lattner
f70f8cc399 just eliminate the code entirely! 
llvm-svn: 74183
 2009-06-25 17:28:07 +00:00
Owen Anderson
76d92148a7 Provide guards for this shared structure. I'm not sure this actually needs 
to be shared, but how/where to privatize it is not immediately clear to me.

If any SelectionDAG experts see a better solution, please share!

llvm-svn: 74180
 2009-06-25 17:09:00 +00:00
Owen Anderson
7bc2987c5c Privatize some more debug-related static data. 
llvm-svn: 74179
 2009-06-25 16:55:32 +00:00
Owen Anderson
e52105541d Use a more correct atomic increment style. This isn't really necessary in 
this case, but it should help avoid issues in the future.

llvm-svn: 74178
 2009-06-25 16:32:45 +00:00
Bob Wilson
38779c951a Revert 74164. We'll want to use this method later. 
llvm-svn: 74176
 2009-06-25 16:03:07 +00:00
Sanjiv Gupta
f81b920608 Identify unconditional gotos and generate a page sel instructions before them. 
llvm-svn: 74172
 2009-06-25 11:03:14 +00:00