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Author SHA1 Message Date
Chris Lattner
2b00dd86ae don't make insanely large node numbers for no reason, 
packing somewhat densely is better than not.

llvm-svn: 96213
 2010-02-15 06:39:31 +00:00
Chris Lattner
ba70b52fe6 no need to add the instruction count anymore. 
llvm-svn: 96212
 2010-02-15 06:38:41 +00:00
Mikhail Glushenkov
47bcd93456 Revert r96130 ("Forward parameter options as '-option=param'"). 
This behaviour must be configurable.

llvm-svn: 96210
 2010-02-15 03:17:06 +00:00
Chris Lattner
bd65f192f2 enhance raw_svector_ostream::write_impl to work with unbuffered streams, 
which may call write_impl on things that are not the usual buffer.

llvm-svn: 96209
 2010-02-15 02:18:26 +00:00
Chris Lattner
eeadc240f2 make PadToColumn return the stream so you can use: 
OS.PadToColumn(42) << "foo";

llvm-svn: 96208
 2010-02-15 02:17:50 +00:00
Dale Johannesen
c23d94e163 Ignore DBG_VALUE in a couple more places. 
llvm-svn: 96207
 2010-02-15 01:45:47 +00:00
Dan Gohman
6c0fdcea5e When restoring a saved insert location, check to see if the saved 
insert location has become an "inserted" instruction since the time
it was saved. If so, advance to the first non-"inserted" instruction.

llvm-svn: 96203
 2010-02-15 00:21:43 +00:00
Chris Lattner
3d4086208b constize 
llvm-svn: 96199
 2010-02-14 22:33:49 +00:00
Chris Lattner
4a7b56d74e clean up a bunch of code, move some random predicates 
on TreePatternNode to be methods on TreePatternNode.

llvm-svn: 96197
 2010-02-14 22:22:58 +00:00
Chris Lattner
f036c806b3 mark "addr" as having type "iPTR", eliminating some type comparisons 
in hte generated dag isel fil.

llvm-svn: 96193
 2010-02-14 21:53:19 +00:00
Chris Lattner
8d7e9178d4 remove the DisablePatternForFastISel predicate, which is a check 
that predated -fast-isel which attempted to speed up the dag pattern
matchers at -O0.  Since fast-isel is around, this is basically 
obsolete and removing it shrinks the generated dag isels.

llvm-svn: 96188
 2010-02-14 21:11:53 +00:00
Chris Lattner
1a9a2e116d add an insertion operator. 
llvm-svn: 96187
 2010-02-14 21:10:33 +00:00
Chris Lattner
216edab8dd tidy up 
llvm-svn: 96186
 2010-02-14 21:10:15 +00:00
Dan Gohman
c954fc3333 Fix whitespace. 
llvm-svn: 96179
 2010-02-14 18:51:39 +00:00
Dan Gohman
900be69752 Fix a comment. 
llvm-svn: 96178
 2010-02-14 18:51:20 +00:00
Dan Gohman
de32b2fac0 When complicated expressions are broken down into subexpressions 
with multiplication by constants distributed through, occasionally
those subexpressions can include both x and -x. For now, if this
condition is discovered within LSR, just prune such cases away,
as they won't be profitable. This fixes a "zero allocated in a
base register" assertion failure.

llvm-svn: 96177
 2010-02-14 18:50:49 +00:00
Sanjiv Gupta
318fdf4e39 fixes to pagesel/banksel inserter. 
1. restore these across direct/indirect calls.
2. restore pagesel for any macros with gotos.

llvm-svn: 96175
 2010-02-14 18:27:42 +00:00
Anton Korobeynikov
3461f67cee Forgot to commit the header 
llvm-svn: 96174
 2010-02-14 18:25:41 +00:00
Chris Lattner
42c8f96141 follow-on to PR6280 
llvm-svn: 96172
 2010-02-14 18:20:09 +00:00
Anton Korobeynikov
9436d20d76 Drop winmcasminfo and use normal AT&T COFF for all windows targets. 
Otherwise AT&T asm printer is used with non-compatible MCAsmInfo and
there is no way to override this behaviour.

llvm-svn: 96165
 2010-02-14 15:19:54 +00:00
Johnny Chen
475f273d63 Try to factorize the specification of saturating add/subtract operations a bit, 
as suggested by Bob Wilson.

llvm-svn: 96153
 2010-02-14 06:32:20 +00:00
Dan Gohman
dbffcb6c92 Actually, this code doesn't have to be quite so conservative in 
the no-TLI case. But it should still default to declining the
transformation.

llvm-svn: 96152
 2010-02-14 03:21:49 +00:00
Dan Gohman
4d5f3b74e4 In rememberInstruction, if the value being remembered is the 
current insertion point, advance the current insertion point.
This avoids a use-before-def situation in a testcase extracted
from clang which is difficult to reduce to a reasonable-sized
regression test.

llvm-svn: 96151
 2010-02-14 03:12:47 +00:00
Dan Gohman
47756a8549 Simplify this code; no need for a custom subclass if it doesn't need 
to override anything from the parent class.

llvm-svn: 96150
 2010-02-14 02:48:58 +00:00
Dan Gohman
8985140f3e Remove a 'protected' keyword, now that SCEVExpander is no longer 
intended to be subclassed.

llvm-svn: 96149
 2010-02-14 02:47:26 +00:00
Dan Gohman
3b065f43af Don't attempt aggressive post-inc uses if TargetLowering is not available, 
because profitability can't be sufficiently approximated.

llvm-svn: 96148
 2010-02-14 02:45:21 +00:00
Daniel Dunbar
59ecca73a9 2.7: Note that DataTypes.h moved. 
llvm-svn: 96143
 2010-02-14 01:47:19 +00:00
John McCall
5089836939 Make LSR not crash if invoked without target lowering info, e.g. if invoked 
from opt.

llvm-svn: 96135
 2010-02-13 23:40:16 +00:00
Eric Christopher
96f3c4222f Fix a problem where we had bitcasted operands that gave us 
odd offsets since the bitcasted pointer size and the offset pointer
size are going to be different types for the GEP vs base object.

llvm-svn: 96134
 2010-02-13 23:38:01 +00:00
Mikhail Glushenkov
09bf7f44e8 Forward parameter options as '-option=parameter'. 
Some tools do not like the '-option parameter' form. Should this be
configurable?

llvm-svn: 96130
 2010-02-13 22:37:28 +00:00
Mikhail Glushenkov
d823a2e8ee Support some more Darwin-only options. 
We really need a conditional compilation mechanism...

llvm-svn: 96129
 2010-02-13 22:37:13 +00:00
Mikhail Glushenkov
6de0557115 Support -mfix-and-continue properly. 
llvm-svn: 96128
 2010-02-13 22:37:00 +00:00
Mikhail Glushenkov
3b9bef0cfb Revert r94752, turns out we don't need to touch these options. 
llvm-svn: 96127
 2010-02-13 22:36:43 +00:00
Daniel Dunbar
2b76a91c60 Trim trailing spaces (aka, trigger rebuild). 
llvm-svn: 96126
 2010-02-13 22:23:47 +00:00
Chris Lattner
d971210bd9 pull a bunch of huge inline methods in the PatternCodeEmitter 
class out of line.

llvm-svn: 96113
 2010-02-13 20:06:50 +00:00
Chris Lattner
b9c4a15ad5 teach the encoder to handle pseudo instructions like FP_REG_KILL, 
encoding them into nothing.

llvm-svn: 96110
 2010-02-13 19:16:53 +00:00
Chris Lattner
23368e55d7 remove dead code. 
llvm-svn: 96109
 2010-02-13 19:07:06 +00:00
Daniel Dunbar
e6679afaa7 MCAssembler: Fix pcrel relocations. Oh and, 
--
ddunbar@ozzy:tmp$ clang -m32 -integrated-as hello.c && ./a.out
hello world!
--

llvm-svn: 96096
 2010-02-13 09:45:59 +00:00
Daniel Dunbar
c05a38a3d3 MC/Mach-O: Start emitting fixups/relocations for instructions. 
llvm-svn: 96095
 2010-02-13 09:29:02 +00:00
Daniel Dunbar
7a1fd21459 MCAssembler: Switch MCAsmFixup to storing MCFixupKind instead of just a size. 
llvm-svn: 96094
 2010-02-13 09:28:54 +00:00
Daniel Dunbar
8e9044353a MCAssembler: Sink fixup list into MCDataFragment. 
llvm-svn: 96093
 2010-02-13 09:28:43 +00:00
Daniel Dunbar
95ae012b0e MCAssembler: Switch MCFillFragment to only taking constant values. Symbolic expressions can always be emitted as data + fixups. 
llvm-svn: 96092
 2010-02-13 09:28:32 +00:00
Daniel Dunbar
cc282ba52e MC/Mach-O: Implement EmitValue using data fragments + fixups instead of fill fragment. 
llvm-svn: 96091
 2010-02-13 09:28:22 +00:00
Daniel Dunbar
481e926468 MCAssembler: Start applying fixups in the data section. 
llvm-svn: 96090
 2010-02-13 09:28:15 +00:00
Daniel Dunbar
a699e834fb MCAssembler: Add assorted dump() methods. 
llvm-svn: 96089
 2010-02-13 09:28:03 +00:00
Daniel Dunbar
1581cae46f X86: Move extended MCFixupKinds into X86FixupKinds.h 
llvm-svn: 96088
 2010-02-13 09:27:52 +00:00
Chris Lattner
0874dc6dab Split some code out to a helper function (FindReusablePredBB) 
and add a doxygen comment.

Cache the phi entry to avoid doing tons of 
PHINode::getBasicBlockIndex calls in the common case.

On my insane testcase from re2c, this speeds up CGP from
617.4s to 7.9s (78x).

llvm-svn: 96083
 2010-02-13 05:35:08 +00:00
Chris Lattner
9c797fdf1d Speed up codegen prepare from 3.58s to 0.488s. 
llvm-svn: 96081
 2010-02-13 05:01:14 +00:00
Chris Lattner
975da20868 PHINode::getBasicBlockIndex is O(n) in the number of inputs 
to a PHI, avoid it in the common case where the BB occurs
in the same index for multiple phis.  This speeds up CGP on
an insane testcase from 8.35 to 3.58s.

llvm-svn: 96080
 2010-02-13 04:24:19 +00:00
Chris Lattner
1a067d53b0 iterate over preds using PHI information when available instead of 
using pred_begin/end.  It is much faster.

llvm-svn: 96079
 2010-02-13 04:15:26 +00:00