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02f80006f8
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4037 Commits

Author SHA1 Message Date
Dan Gohman
02f80006f8 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Evan Cheng
1a48cdc61e If two instructions are both two-address code, favors (schedule closer to 
terminator) the one that has a CopyToReg use. This fixes
2006-05-11-InstrSched.ll with -new-cc-modeling-scheme.

llvm-svn: 42453
 2007-09-28 22:32:30 +00:00
Evan Cheng
2fca1e4f84 Remove a poor scheduling heuristic. 
llvm-svn: 42443
 2007-09-28 19:37:35 +00:00
Evan Cheng
71904c241e Trim some unneeded fields. 
llvm-svn: 42442
 2007-09-28 19:24:24 +00:00
Dale Johannesen
8660e0ed82 Fix long double -> uint64 conversion. 
llvm-svn: 42440
 2007-09-28 18:44:17 +00:00
Dale Johannesen
a30678c8f0 minor long double related changes 
llvm-svn: 42439
 2007-09-28 18:06:58 +00:00
Dan Gohman
cf40e00d32 Make the checks for DW_FORM_data4 consistent with the others, and 
add more such code for DIEDwarfLabel::SizeOf and DIEObjectLabel::SizeOf.

llvm-svn: 42435
 2007-09-28 16:50:28 +00:00
Dan Gohman
8e1513ad66 Use 32-bit data directives for DW_FORM_data4 format data, even on 
targets with 64-bit addresses.

llvm-svn: 42434
 2007-09-28 15:43:33 +00:00
Dale Johannesen
e61886cee4 Add sqrt and powi intrinsics for long double. 
llvm-svn: 42423
 2007-09-28 01:08:20 +00:00
Dan Gohman
50747737a5 TargetAsmInfo::getAddressSize() was incorrect for x86-64 and 64-bit targets 
other than PPC64. Instead of fixing it, just remove it and fix all the
places that use it to use TargetData::getPointerSize() instead, as there
aren't very many. Most of the references were in DwarfWriter.cpp.

llvm-svn: 42419
 2007-09-27 23:12:31 +00:00
Gordon Henriksen
b20ff7f981 CollectorMetadata abstractly describes stack maps for a function. 
It includes:

 - location and of each safe point in machine code (identified by a
   label)
 - location of each root within the stack frame (identified by an
   offset), including the metadata tag provided to llvm.gcroot in
   the user program
 - size of the stack frame (for collectors which want to cheat on
   stack crawling :)
 - and eventually will include liveness

It is to be populated by back-ends during code-generation.

CollectorModuleMetadata aggregates this information across the
entire module.

llvm-svn: 42418
 2007-09-27 22:18:46 +00:00
Gordon Henriksen
2571db23f1 My previous Registry.h header, as well as Collectors.h, which is the 
registry for dynamically-loaded garbage collection compiler plugins.

llvm-svn: 42415
 2007-09-27 19:34:27 +00:00
Evan Cheng
02e1749295 Avoid inserting a live register more than once. 
llvm-svn: 42410
 2007-09-27 18:46:06 +00:00
Evan Cheng
7a9237420b Silence a compiler warning. 
llvm-svn: 42389
 2007-09-27 07:35:39 +00:00
Evan Cheng
2d4b603a75 Boogs. 
llvm-svn: 42388
 2007-09-27 07:29:27 +00:00
Evan Cheng
f2cd163dc5 Be smarter about which node to force schedule. Reduce # of duplications + copies; Added statistics. 
llvm-svn: 42387
 2007-09-27 07:09:03 +00:00
Evan Cheng
788683ab56 Backtracking only when it won't create a cycle. 
llvm-svn: 42384
 2007-09-27 00:25:29 +00:00
Dale Johannesen
089d2e760f Make temporaries explicit to avoid premature 
destruction of compiler-created ones.

llvm-svn: 42383
 2007-09-26 23:20:33 +00:00
Evan Cheng
29817845b3 - Move getPhysicalRegisterRegClass() from ScheduleDAG to MRegisterInfo. 
- Added ability to emit cross class register copies to the BBRU scheduler.
- More aggressive backtracking.

llvm-svn: 42375
 2007-09-26 21:36:17 +00:00
Dale Johannesen
69595b587f Enable codegen for long double abs, sin, cos 
llvm-svn: 42368
 2007-09-26 21:10:55 +00:00
Dale Johannesen
20674e6c52 Fix f80 UNDEF. 
llvm-svn: 42359
 2007-09-26 17:26:49 +00:00
Evan Cheng
5f9e291240 Allow copyRegToReg to emit cross register classes copies. 
Tested with "make check"!

llvm-svn: 42346
 2007-09-26 06:25:56 +00:00
Dan Gohman
8385890394 Move the setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand) and 
the check to see if the assembler supports .loc from X86TargetLowering
into the superclass TargetLowering.

llvm-svn: 42297
 2007-09-25 15:10:49 +00:00
Evan Cheng
6d8f155a63 Added major new capabilities to scheduler (only BURR for now) to support physical register dependency. The BURR scheduler can now backtrace and duplicate instructions in order to avoid "expensive / impossible to copy" values (e.g. status flag EFLAGS for x86) from being clobbered. 
llvm-svn: 42284
 2007-09-25 01:54:36 +00:00
Dan Gohman
db6903c748 Don't emit .debug_line header data if there aren't any lines to put in it, 
such as will happen when .loc directives are used.

llvm-svn: 42277
 2007-09-24 21:43:52 +00:00
Dan Gohman
a5a089d5f9 Move the Asm->EOL() call for EmitDebugARanges outside the #ifdef for 
consistency with the other currently empty sections.

llvm-svn: 42276
 2007-09-24 21:36:21 +00:00
Dan Gohman
7de5440570 Add support for emitting .file directives to set up file numbers for 
use with .loc directives.

llvm-svn: 42275
 2007-09-24 21:32:18 +00:00
Dan Gohman
d005faa65d Add a routine for emitting .file directives, for setting up 
file numbers to use with .loc directives.

llvm-svn: 42272
 2007-09-24 20:58:13 +00:00
Dan Gohman
dd675a5064 Use the correct result value type instead of using getValueType(0) 
in ExpandEXTRACT_VECTOR_ELT and SplitVectorOp. This fixes an abort
in the included testcase.

llvm-svn: 42264
 2007-09-24 15:54:53 +00:00
Chris Lattner
0fc154af3d When emitting .set directives, make sure the EH and Debug labels can't conflict. 
llvm-svn: 42257
 2007-09-24 03:35:37 +00:00
Chris Lattner
12ed5081b8 initialize isstore/isload fields in ctor, fixing PR1695 
llvm-svn: 42222
 2007-09-22 07:02:12 +00:00
Dale Johannesen
c7279629cc Change APFloat::convertFromInteger to take the incoming 
bit width instead of number of words allocated, which
makes it actually work for int->APF conversions.
Adjust callers.  Add const to one of the APInt constructors
to prevent surprising match when called with const
argument.

llvm-svn: 42210
 2007-09-21 22:09:37 +00:00
Chris Lattner
e82eb89d0f don't read Block after it is freed. This fixes PR1684 
llvm-svn: 42204
 2007-09-21 18:25:53 +00:00
Chris Lattner
eed3e42816 initialize SetCCResultContents, fixing PR1693 
llvm-svn: 42193
 2007-09-21 17:06:39 +00:00
Dale Johannesen
04682bdc81 More long double fixes. x86_64 should build now. 
llvm-svn: 42155
 2007-09-19 23:55:34 +00:00
Dale Johannesen
9e04c2d5af Fix longdouble -> uint conversion. 
llvm-svn: 42143
 2007-09-19 17:53:26 +00:00
Evan Cheng
4a117958df Use struct SDep instead of std::pair for SUnit pred and succ lists. First step 
in tracking physical register output dependencies.

llvm-svn: 42125
 2007-09-19 01:38:40 +00:00
Evan Cheng
2716b97b13 Fix a bogus splat xform: 
shuffle <undef, undef, x, undef>, <undef, undef, undef, undef>, <2, 2, 2, 2>
!=
<undef, undef, x, undef>

llvm-svn: 42111
 2007-09-18 21:54:37 +00:00
Dale Johannesen
83b2001d42 Prevent crash on long double. 
llvm-svn: 42103
 2007-09-18 18:36:59 +00:00
Bill Wendling
bfd2f2f6d7 Don't pass back a reference to a temporary. 
llvm-svn: 42086
 2007-09-18 09:10:16 +00:00
Bill Wendling
537b869514 The exception handling function info should be reset for each new 
function. The information isn't used heavily -- it's only used at the end
of exception handling emission -- so there's no need to cache it.

llvm-svn: 42078
 2007-09-18 05:03:44 +00:00
Bill Wendling
803e0d9970 Objective-C was generating EH frame info like this: 
"_-[NSString(local) isNullOrNil]".eh = 0
        .no_dead_strip  "_-[NSString(local) isNullOrNil]".eh

The ".eh" should be inside the quotes.

llvm-svn: 42074
 2007-09-18 01:47:22 +00:00
Devang Patel
547d418b8e Do not hide APInt::dump() inside #ifndef NDEBUG. 
llvm-svn: 42068
 2007-09-17 22:24:00 +00:00
Devang Patel
c7cfb7ebfc This is not ideal but unbreaks build failure. 
APInt::dump() is inside #ifndef NDEBUG, however SelectionDAG dump() routines are not.

llvm-svn: 42047
 2007-09-17 20:03:03 +00:00
Chris Lattner
cc315726f7 Merge DenseMapKeyInfo & DenseMapValueInfo into DenseMapInfo 
Add a new DenseMapInfo::isEqual method to allow clients to redefine
the equality predicate used when probing the hash table.

llvm-svn: 42042
 2007-09-17 18:34:04 +00:00
Dale Johannesen
78628a9108 Adjust per revew comments. 
llvm-svn: 42002
 2007-09-16 16:51:49 +00:00
Dale Johannesen
575bd6070a Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).

llvm-svn: 41967
 2007-09-14 22:26:36 +00:00
Dan Gohman
fb60c0dfed Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Dan Gohman
53119779c2 Remove spurious consts. This fixes warnings with compilers that 
are strict about such things.

llvm-svn: 41956
 2007-09-14 20:08:19 +00:00
Chris Lattner
f672250ee0 Fix build problems on Cygwin (PR1652), patch by Patrick Walton. 
llvm-svn: 41923
 2007-09-13 06:09:48 +00:00