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Commit Graph

12751 Commits

Author SHA1 Message Date
Rafael Espindola
3cfff6e0c5 Avoid some Mach-O specific alignment being done on ELF.
llvm-svn: 114594
2010-09-22 22:27:05 +00:00
Chris Lattner
04d9e1641f allow target-specific label suffixes, patch by Yuri Gribov!
llvm-svn: 114592
2010-09-22 22:19:53 +00:00
Dan Gohman
3ae6b70330 Fix uninitialized TBAAFlag field values.
llvm-svn: 114591
2010-09-22 22:18:07 +00:00
Dan Gohman
d69790d841 Teach memdep about TBAA tags.
llvm-svn: 114588
2010-09-22 21:41:02 +00:00
Dan Gohman
879cf5573e Constify.
llvm-svn: 114574
2010-09-22 20:11:43 +00:00
Chris Lattner
6543dacfac Rework passing parent pointers into complexpatterns, I forgot
that complex patterns are matched after the entire pattern has
a structural match, therefore the NodeStack isn't in a useful
state when the actual call to the matcher happens.

llvm-svn: 114489
2010-09-21 22:00:25 +00:00
Dan Gohman
008676d2ee Add some utility routines.
llvm-svn: 114483
2010-09-21 21:20:13 +00:00
Devang Patel
904f538a7a Add insertAfter. This should have accompanied previous check-in.
llvm-svn: 114481
2010-09-21 21:10:42 +00:00
Chris Lattner
a911c9ed3a just like they can opt into getting the root of the pattern being
matched, allow ComplexPatterns to opt into getting the parent node
of the operand being matched.

llvm-svn: 114472
2010-09-21 20:37:12 +00:00
Chris Lattner
55043ef46a fix a long standing wart: all the ComplexPattern's were being
passed the root of the match, even though only a few patterns
actually needed this (one in X86, several in ARM [which should
be refactored anyway], and some in CellSPU that I don't feel 
like detangling).   Instead of requiring all ComplexPatterns to
take the dead root, have targets opt into getting the root by
putting SDNPWantRoot on the ComplexPattern.

llvm-svn: 114471
2010-09-21 20:31:19 +00:00
Chris Lattner
32ec32b690 finish pushing MachinePointerInfo through selectiondags. At this point,
I think I've audited all uses, so it should be dependable for address spaces,
and the pointer+offset info should also be accurate when there.

llvm-svn: 114464
2010-09-21 18:58:22 +00:00
Chris Lattner
3dde58c15a convert a couple more places to use the new getStore()
llvm-svn: 114463
2010-09-21 18:51:21 +00:00
Chris Lattner
86b3f287ce eliminate an old SelectionDAG::getTruncStore method, propagating
MachinePointerInfo around more.

llvm-svn: 114452
2010-09-21 17:42:31 +00:00
Chris Lattner
bf98f86fed eliminate last SelectionDAG::getLoad old entrypoint, on to stores.
llvm-svn: 114450
2010-09-21 17:28:52 +00:00
Chris Lattner
8af4fb7aed fix the code that infers SV info to be correct when dealing
with an indexed load/store that has an offset in the index.

llvm-svn: 114449
2010-09-21 17:24:05 +00:00
Jakob Stoklund Olesen
03451a0e51 Add LiveInterval::find and use it for most LiveRange searching operations
instead of calling lower_bound or upper_bound directly.

This cleans up the search logic a bit because {lower,upper}_bound compare
LR->start by default, and it is usually simpler to search LR->end.

Funnelling all searches through one function also makes it possible to replace
the search algorithm with something faster than binary search.

llvm-svn: 114448
2010-09-21 17:12:18 +00:00
Jakob Stoklund Olesen
73d2940daa Remove dead method.
llvm-svn: 114447
2010-09-21 17:12:15 +00:00
Chris Lattner
cdfd993df0 propagate MachinePointerInfo through various uses of the old
SelectionDAG::getExtLoad overload, and eliminate it.

llvm-svn: 114446
2010-09-21 17:04:51 +00:00
Chris Lattner
0d430648ae continue MachinePointerInfo'izing, eliminating use of one of the old
getLoad overloads.

llvm-svn: 114443
2010-09-21 16:36:31 +00:00
Benjamin Kramer
a81f2ba27e Make CreateComplexVariable independent of SmallVector.
llvm-svn: 114439
2010-09-21 16:00:03 +00:00
Mikhail Glushenkov
35e2ea68d2 llvmc: Allow multiple output languages.
llvm-svn: 114433
2010-09-21 14:59:42 +00:00
Mikhail Glushenkov
637b2871f8 Trailing whitespace.
llvm-svn: 114432
2010-09-21 14:59:34 +00:00
Lang Hames
eae68e1117 Added an additional PBQP problem builder which adds coalescing costs (both between pairs of virtuals, and between virtuals and physicals).
llvm-svn: 114429
2010-09-21 13:19:36 +00:00
Gabor Greif
99c07b1d95 Move the search for the appropriate AND instruction
into OptimizeCompareInstr.
This necessitates the passing of CmpValue around,
so widen the virtual functions to accomodate.

No functionality changes.

llvm-svn: 114428
2010-09-21 12:01:15 +00:00
Chris Lattner
1cad885bf7 add some accessors
llvm-svn: 114409
2010-09-21 06:43:24 +00:00
Chris Lattner
112cf9bc89 it's more elegant to put the "getConstantPool" and
"getFixedStack" on the MachinePointerInfo class.  While
this isn't the problem I'm setting out to solve, it is the
right way to eliminate PseudoSourceValue, so lets go with it.

llvm-svn: 114406
2010-09-21 06:22:23 +00:00
Chris Lattner
3496d7e718 ugh, missed a file.
llvm-svn: 114405
2010-09-21 06:16:40 +00:00
Chris Lattner
f94de5bf46 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.

llvm-svn: 114401
2010-09-21 05:40:29 +00:00
Chris Lattner
b6d15db75c add some helpful accessors.
llvm-svn: 114400
2010-09-21 05:39:30 +00:00
Chris Lattner
dbe51ad1b8 add overloads for SelectionDAG::getLoad, getStore, getTruncStore that take a
MachinePointerInfo.  Among other virtues, this doesn't silently  truncate the
svoffset to 32-bits.

llvm-svn: 114399
2010-09-21 05:10:45 +00:00
Chris Lattner
e1fc671030 simplify interface to SelectionDAG::getMemIntrinsicNode, making it take a MachinePointerInfo
llvm-svn: 114397
2010-09-21 04:57:15 +00:00
Chris Lattner
e4db4cad3b chagne interface to SelectionDAG::getAtomic to take a MachinePointerInfo,
eliminating some weird "infer a frame address" logic which was dead.

llvm-svn: 114396
2010-09-21 04:53:42 +00:00
Chris Lattner
af01f8d142 force clients of MachineFunction::getMachineMemOperand to provide a
MachinePointerInfo, propagating the type out a level of API.  Remove
the old MachineFunction::getMachineMemOperand impl.

llvm-svn: 114393
2010-09-21 04:46:39 +00:00
Chris Lattner
940c35a3c3 start pushing MachinePointerInfo out through the MachineMemOperand interface
to the MachineFunction construction methods.

llvm-svn: 114390
2010-09-21 04:32:08 +00:00
Chris Lattner
7fdf193383 refactor the Value*/offset pair from MachineMemOperand out to a new
MachinePointerInfo struct, no functionality change.

This also adds an assert to MachineMemOperand::MachineMemOperand
that verifies that the Value* is either null or is an IR pointer type.

llvm-svn: 114389
2010-09-21 04:23:39 +00:00
Dan Gohman
6eb9263898 Relax this check to silently swallow FE_INEXACT, following directions
from rdar://8452472. This unbreaks gcc.dg/builtins-17.c.

llvm-svn: 114368
2010-09-20 22:32:25 +00:00
Chris Lattner
aaae01e0d2 fix a bug I introduced back in the hayday of version #2.
llvm-svn: 114319
2010-09-20 03:58:32 +00:00
Gabor Greif
25989ff0b4 restrict dyn_cast_or_null to pointer types, just like cast_or_null; re-commit of r114279, backed out in r114280
llvm-svn: 114282
2010-09-18 13:03:32 +00:00
Gabor Greif
01fd81d9e0 back out r114279 as some darwin buildbots get errors compiling clang:
svn merge -c -114279 llvm/include/llvm/Support/Casting.h

llvm-svn: 114280
2010-09-18 12:56:47 +00:00
Gabor Greif
de7f1d3c08 restrict dyn_cast_or_null to pointer types, just like cast_or_null
llvm-svn: 114279
2010-09-18 12:30:15 +00:00
Gabor Greif
356c676d76 remove CallSite::get; it is still present (as protected) in the baseclass, use one of the constructors intead
llvm-svn: 114275
2010-09-18 11:48:36 +00:00
Lang Hames
4a8c999803 Added a separate class (PBQPBuilder) for PBQP Problem construction. This class can be extended to support custom constraints.
For now the allocator still uses the old (internal) construction mechanism by default. This will be phased out soon assuming 
no issues with the builder system come up.

To invoke the new construction mechanism just pass '-regalloc=pbqp -pbqp-builder' to llc. To provide custom constraints a
Target just needs to extend PBQPBuilder and pass an instance of their derived builder to the RegAllocPBQP constructor.

llvm-svn: 114272
2010-09-18 09:07:10 +00:00
Jim Grosbach
134c3370ef trailing whitespace
llvm-svn: 114211
2010-09-17 21:23:56 +00:00
Dan Gohman
8058e1b851 Attempt to support platforms which don't have fenv.h.
llvm-svn: 114196
2010-09-17 20:06:27 +00:00
Gabor Greif
61838d80cd fix comments; patch by Edmund Grimley-Evans\!
llvm-svn: 114189
2010-09-17 17:52:00 +00:00
Bill Wendling
d8c305452a Add "pointer to x86mmx" type to the intrinsics.
llvm-svn: 114140
2010-09-17 00:33:03 +00:00
Owen Anderson
56bc6a9391 Do not expose the locking for the PassRegistry in the header. Be careful to
synchronize any method that might lazily initialize the pImpl.

llvm-svn: 114130
2010-09-16 23:32:35 +00:00
Dan Gohman
836ce09592 Add a pass which prints out all the memdep dependencies.
llvm-svn: 114121
2010-09-16 22:08:32 +00:00
Owen Anderson
3d4644bad9 Revert r114097, adding back in the assertion against replacing an Instruction by itself. Now that CorrelatedValuePropagation is
more careful not to call SimplifyInstructionsInBlock() on an unreachable block, the issue has been fixed at a higher level.  Add
a big warning to SimplifyInstructionsInBlock() to hopefully prevent this in the future.

llvm-svn: 114117
2010-09-16 20:51:41 +00:00
Jim Grosbach
d7aec03bb1 make this non brain dead...
llvm-svn: 114100
2010-09-16 17:48:08 +00:00