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26642 Commits

Author SHA1 Message Date
Gabor Greif
0d0908d06a typo 
llvm-svn: 62377
 2009-01-16 23:08:50 +00:00
Evan Cheng
d7cc550900 Fix PPC ISD::Declare isel and eliminate the need for PPCTargetLowering::LowerGlobalAddress to check if isVerifiedDebugInfoDesc() is true. Given the recent changes, it would falsely return true for a lot of GlobalAddressSDNode's. 
llvm-svn: 62373
 2009-01-16 22:57:32 +00:00
Mikhail Glushenkov
b0aa02acee Support for multi-valued options in CommandLine 
Makes possible to specify options that take multiple arguments (a-la
-sectalign on Darwin). See documentation for details.

llvm-svn: 62372
 2009-01-16 22:54:19 +00:00
Dan Gohman
cb207179b1 Give IA64 a TargetSubtarget subclass, so that it can 
implement getSubtargetImpl.

llvm-svn: 62369
 2009-01-16 22:49:36 +00:00
Dan Gohman
3d0633627d Instead of adding dependence edges between terminator instructions 
and every other instruction in their blocks to keep the terminator
instructions at the end, teach the post-RA scheduler how to operate
on ranges of instructions, and exclude terminators from the range
of instructions that get scheduled.

Also, exclude mid-block labels, such as EH_LABEL instructions, and
schedule code before them separately from code after them. This
fixes problems with the post-RA scheduler moving code past
EH_LABELs.

llvm-svn: 62366
 2009-01-16 22:10:20 +00:00
Dan Gohman
9636e74701 If an anti-dependence uses a non-allocatable register, set AntiDepReg 
to 0, to ensure that the subsequent code doesn't try to break the
dependence.

llvm-svn: 62365
 2009-01-16 21:57:43 +00:00
Dan Gohman
4dc9f47c97 Use the getNode() accessor instead of accessing the Node 
member directly, which is private as of r55504.

llvm-svn: 62364
 2009-01-16 21:47:21 +00:00
Dan Gohman
733d817b4d Fix the check for an empty basic block to check for an empty SUnits 
array instead, since this is what the scheduler actually cares about.
And remove a check that is unnecessary, since it can assume that
SUnits isn't empty.

llvm-svn: 62362
 2009-01-16 21:37:14 +00:00
Chris Lattner
cfaf556999 new nodes should be added to the worklist, not old nodes. 
llvm-svn: 62359
 2009-01-16 21:15:56 +00:00
Devang Patel
9ecd23c14d Fix comments. 
llvm-svn: 62358
 2009-01-16 21:07:53 +00:00
Evan Cheng
c4d19d6e8c CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions. 
llvm-svn: 62356
 2009-01-16 20:57:18 +00:00
Chris Lattner
0354d30311 don't assert and die on out of range (undefined) shifts. This fixes 
PR3334.

llvm-svn: 62352
 2009-01-16 20:17:02 +00:00
Chris Lattner
5d1ed9ed1f Fix PR3335 by not turning a store to one address space into a store to another. 
llvm-svn: 62351
 2009-01-16 20:12:52 +00:00
Chris Lattner
59dfd7d4af reduce indentation by using early exits, no functionality change. 
llvm-svn: 62350
 2009-01-16 20:08:59 +00:00
Devang Patel
6f83d4b68f Use lightweight DebugInfo objects directly. 
llvm-svn: 62341
 2009-01-16 19:28:14 +00:00
Bill Wendling
c9e856fbfd Add support for non-zero __builtin_return_address values on X86. 
llvm-svn: 62338
 2009-01-16 19:25:27 +00:00
Evan Cheng
2932869ed4 Change isGVCompilationDisabled() semantics again. It should abort on any GV that's not constant whether it's "internal" or not. In a server / client environment, GV is returned in the same block of memory as code. However, the memory might not be writable. 
llvm-svn: 62336
 2009-01-16 19:14:49 +00:00
Gabor Greif
34a28dbecf use specialized accessor instead of plain getOperand(0) 
llvm-svn: 62330
 2009-01-16 18:40:27 +00:00
Devang Patel
627bb2afb9 Align source code. 
llvm-svn: 62328
 2009-01-16 18:01:58 +00:00
Dan Gohman
e4265cdbb9 Fix a "comparison between signed and unsigned integer expressions" 
warning.

llvm-svn: 62327
 2009-01-16 17:55:08 +00:00
Nick Lewycky
3f81059a01 Reinstate r60509 from Dale: 
Make the debugging dump be a full line.

llvm-svn: 62325
 2009-01-16 17:07:22 +00:00
Mikhail Glushenkov
49be18cfc6 Registry.h should not depend on CommandLine.h. 
Split Support/Registry.h into two files so that we have less to
recompile every time CommandLine.h is changed.

llvm-svn: 62312
 2009-01-16 07:02:28 +00:00
Mikhail Glushenkov
5000223556 Delete trailing whitespace. 
llvm-svn: 62307
 2009-01-16 06:53:46 +00:00
Evan Cheng
c58653bd6e ARMCompilationCallback should not save / restore vfp registers if vfp is not available. 
llvm-svn: 62299
 2009-01-16 02:16:37 +00:00
Devang Patel
434239cc4f Validate debug info values only if DwarfDebug is initialized. 
llvm-svn: 62298
 2009-01-16 02:15:14 +00:00
Evan Cheng
e7c9310d1b Clean up previous cast optimization a bit. Also make zext elimination a bit more aggressive: if it's not necessary to emit an AND (i.e. high bits are already zero), it's profitable to evaluate the operand at a different type. 
llvm-svn: 62297
 2009-01-16 02:11:43 +00:00
Devang Patel
befef54e67 Any debug info symbol is only valid if atleast one compile unit is seen. 
llvm-svn: 62294
 2009-01-16 01:49:46 +00:00
Dan Gohman
c5b1dbdb4e Initial hazard recognizer support in post-pass scheduling. This includes 
a new toy hazard recognizier heuristic which attempts to direct the
scheduler to avoid clumping large groups of loads or stores too densely.

llvm-svn: 62291
 2009-01-16 01:33:36 +00:00
Devang Patel
f0e1e4cc51 Do not stumble over forward declared struct member. 
llvm-svn: 62288
 2009-01-16 00:50:53 +00:00
Devang Patel
1ee58c7d8c Validate dbg_* intrinsics before lowering them. 
llvm-svn: 62286
 2009-01-15 23:41:32 +00:00
Mon P Wang
e235ba591f Added missing support to widen an operand from a bit convert. 
llvm-svn: 62285
 2009-01-15 22:43:38 +00:00
Dan Gohman
3e0dcbbd15 Generalize the HazardRecognizer interface so that it can be used 
to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.

llvm-svn: 62284
 2009-01-15 22:18:12 +00:00
Dan Gohman
23a5f63b21 Simplify the MachineLICM pass by having it only traverse outer 
loops, hoisting instructions all the way out in one step rather
than hoisting them one nest level at a time. Also, make a few
other code simplifications. This speeds up MachineLICM
by several fold.

llvm-svn: 62283
 2009-01-15 22:01:38 +00:00
Rafael Espindola
46b374f55b Fix Alpha test and support for private linkage. 
llvm-svn: 62282
 2009-01-15 21:51:46 +00:00
Mon P Wang
4cfe965df2 Expand insert/extract of a <4 x i32> with a variable index. 
llvm-svn: 62281
 2009-01-15 21:10:20 +00:00
Rafael Espindola
0aba6c9435 Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Devang Patel
97d45c48c5 Use lightweight DebugInfo objects directly. 
llvm-svn: 62276
 2009-01-15 19:26:23 +00:00
Dan Gohman
6fcee67989 Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph 
and into the ScheduleDAGInstrs class, so that they don't get
destructed and re-constructed for each block. This fixes a
compile-time hot spot in the post-pass scheduler.

To help facilitate this, tidy and do some minor reorganization
in the scheduler constructor functions.

llvm-svn: 62275
 2009-01-15 19:20:50 +00:00
Nuno Lopes
db7a9e291a add comment to explain my previous commit, as asked by Chris 
llvm-svn: 62272
 2009-01-15 18:40:57 +00:00
Gabor Greif
b1f92de36f avoid using iterators when they get invalidated potentially 
this fixes PR3332

llvm-svn: 62271
 2009-01-15 18:40:09 +00:00
Devang Patel
307fac7f3a Use variable's context to identify respective DbgScope. 
Use light weight DebugInfo object directly.

llvm-svn: 62269
 2009-01-15 18:25:17 +00:00
Dan Gohman
0b06dcbf4b Add load-folding table entries for BT*ri8 instructions. 
llvm-svn: 62267
 2009-01-15 17:57:09 +00:00
Dan Gohman
273ef2ab9f Make getWidenVectorType const; this file was missed in the 
previous commit.

llvm-svn: 62266
 2009-01-15 17:39:39 +00:00
Dan Gohman
37d7b5be33 Make getWidenVectorType const. 
llvm-svn: 62265
 2009-01-15 17:34:08 +00:00
Evan Cheng
340e5fe0a6 Eliminate a redundant check. 
llvm-svn: 62264
 2009-01-15 17:09:07 +00:00
Evan Cheng
d504f9fe27 - Teach CanEvaluateInDifferentType of this xform: sext (zext ty1), ty2 -> zext ty2 
- Looking at the number of sign bits of the a sext instruction to determine  whether new trunc + sext pair should be added when its source is being evaluated in a different type.

llvm-svn: 62263
 2009-01-15 17:01:23 +00:00
Dan Gohman
791e6c24db More consts on TargetLowering references. 
llvm-svn: 62262
 2009-01-15 16:58:17 +00:00
Dan Gohman
9dd6a69768 Use const with TargetLowering references in a few more places. 
llvm-svn: 62260
 2009-01-15 16:43:02 +00:00
Dan Gohman
ab89b888e8 Const-qualify getPreIndexedAddressParts and friends. 
llvm-svn: 62259
 2009-01-15 16:29:45 +00:00
Richard Osborne
ce265d8cf9 Don't fold address calculations which use negative offsets into 
the ADDRspii addressing mode.

llvm-svn: 62258
 2009-01-15 11:32:30 +00:00