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Author SHA1 Message Date
Chris Lattner
d7470aa340 revert r96241. It breaks two regression tests, isn't documented, 
and the testcase needs improvement.

llvm-svn: 96265
 2010-02-15 20:53:01 +00:00
Bill Wendling
8ed10ca345 Renumber Instruction enums in llvm-c. 
llvm-svn: 96264
 2010-02-15 20:50:51 +00:00
Chris Lattner
a8505609fe fix PR6305 by handling BlockAddress in a helper function 
called by jump threading.

llvm-svn: 96263
 2010-02-15 20:47:49 +00:00
Evan Cheng
b5fe25544c Split SelectionDAGISel::IsLegalAndProfitableToFold to 
IsLegalToFold and IsProfitableToFold. The generic version of the later simply checks whether the folding candidate has a single use.

This allows the target isel routines more flexibility in deciding whether folding makes sense. The specific case we are interested in is folding constant pool loads with multiple uses.

llvm-svn: 96255
 2010-02-15 19:41:07 +00:00
Chris Lattner
ab9dc2e37b comment fix. 
llvm-svn: 96248
 2010-02-15 18:55:04 +00:00
David Greene
ba8bac644b Add support for emitting non-temporal stores for DAGs marked 
non-temporal.

llvm-svn: 96241
 2010-02-15 17:02:56 +00:00
David Greene
4f983d569c Add non-temporal flags and remove an assumption of default arguments. 
llvm-svn: 96240
 2010-02-15 17:00:31 +00:00
David Greene
1b3d9eece5 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96239
 2010-02-15 16:57:43 +00:00
David Greene
fcf8375377 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96238
 2010-02-15 16:57:13 +00:00
David Greene
196564c820 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96237
 2010-02-15 16:57:02 +00:00
David Greene
b503e48b12 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96236
 2010-02-15 16:56:53 +00:00
David Greene
ea559af89a Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96235
 2010-02-15 16:56:34 +00:00
David Greene
725287f422 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96234
 2010-02-15 16:56:22 +00:00
David Greene
118edab4c9 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96233
 2010-02-15 16:56:10 +00:00
David Greene
47a10d2053 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96232
 2010-02-15 16:55:58 +00:00
David Greene
3bb90b9985 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96231
 2010-02-15 16:55:37 +00:00
David Greene
1efa05ab91 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96230
 2010-02-15 16:55:24 +00:00
David Greene
b3a7357944 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96229
 2010-02-15 16:55:07 +00:00
David Greene
75cc8f80a6 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96228
 2010-02-15 16:53:33 +00:00
David Greene
dd3a290ebf Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96227
 2010-02-15 16:49:52 +00:00
David Greene
0ed0396052 Add non-temporal flags to MachineMemOperand. 
llvm-svn: 96226
 2010-02-15 16:48:31 +00:00
Duncan Sands
2acaf3609c Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Oscar Fuentes
6c7bdae8bd CMake: Fixed syntax in conditional. 
llvm-svn: 96221
 2010-02-15 15:17:05 +00:00
Andrew Lenharth
87e914773e Fix changes from r75027 
llvm-svn: 96220
 2010-02-15 15:00:44 +00:00
Dan Gohman
adc600ceb5 When testing whether a given SCEV depends on a temporary symbolic 
name, test whether the SCEV itself is that temporary symbolic name,
in addition to checking whether the symbolic name appears as a
possibly-indirect operand.

llvm-svn: 96216
 2010-02-15 10:28:37 +00:00
Chris Lattner
bc3bc62709 Check in the first big step of rewriting DAGISelEmitter to 
produce a table based matcher instead of gobs of C++ Code.

Though it's not done yet, the shrinkage seems promising,
the table for the X86 ISel is 75K and still has a lot of 
optimization to come (compare to the ~1.5M of .o generated
the old way, much of which will go away).

The code is currently disabled by default (the #if 0 in
DAGISelEmitter.cpp).  When enabled it generates a dead
SelectCode2 function in the DAGISel Header which will
eventually replace SelectCode.

There is still a lot of stuff left to do, which are
documented with a trail of FIXMEs.

llvm-svn: 96215
 2010-02-15 08:04:42 +00:00
Chris Lattner
8e8498ea02 give SDValue an operator->, allowing V->isTargetOpcode() and 
many other natural things.

llvm-svn: 96214
 2010-02-15 07:11:34 +00:00
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