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Author SHA1 Message Date
Evan Cheng
6c6518787b Iterating over SmallPtrSet is not deterministic. 
llvm-svn: 52339
 2008-06-16 18:17:09 +00:00
Chris Lattner
cebf7d79b3 simplify RecursiveResolveTypes and ResolveTypes by pulling the naming out of 
ResolveTypes into the one place that needs it.

llvm-svn: 52338
 2008-06-16 18:11:40 +00:00
Chris Lattner
b2c9317b8d Add a new flag that disables symbol lookup with dlsym when set. This allows 
a JIT client to completely control symbol lookup with the LazyFunctionCreator
interface.

llvm-svn: 52335
 2008-06-16 17:44:14 +00:00
Chris Lattner
ddfa0590ae Add support for icache invalidation on non-darwin ppc systems. 
Patch by Gary Benson!

llvm-svn: 52332
 2008-06-16 17:04:06 +00:00
Owen Anderson
3c4bb80d78 Re-enable empty block indexing by default, since it doesn't seem to have any 
impact on code quality or compile time.

llvm-svn: 52329
 2008-06-16 16:58:24 +00:00
Matthijs Kooijman
2ba9a750dd Make BuildSubAggregate use FindInsertedElement again to prevent it from 
inserting extractvalues. In particular, this prevents the insertion of
extractvalues that can't be folded away later. Also add an example of when this
stuff is needed.

llvm-svn: 52328
 2008-06-16 14:13:46 +00:00
Matthijs Kooijman
544c9b2fb0 Make the InsertBefore argument to FindInsertedValue optional, so you can find an inserted value without modifying the code. 
llvm-svn: 52319
 2008-06-16 13:28:31 +00:00
Matthijs Kooijman
238b1e8d69 Pass around Instruction* instead of Instruction& in FindInsertedValue and friends. 
llvm-svn: 52318
 2008-06-16 13:13:08 +00:00
Matthijs Kooijman
bdd5cae51c Make testcase check for extractvalue instead of extractelement. 
llvm-svn: 52317
 2008-06-16 13:03:44 +00:00
Matthijs Kooijman
dedcf00fcc 80 column fixes. 
llvm-svn: 52316
 2008-06-16 12:57:37 +00:00
Matthijs Kooijman
1dd7d9cdc1 Move FindScalarValue from InstructionCombining.cpp to ValueTracking.cpp. While 
I'm at it, rename it to FindInsertedValue.

The only functional change is that newly created instructions are no longer
added to instcombine's worklist, but that is not really necessary anyway (and
I'll commit some improvements next that will completely remove the need).

llvm-svn: 52315
 2008-06-16 12:48:21 +00:00
Matthijs Kooijman
e01197eaa9 Store the result of multiple identical run lines in a temporary file. 
llvm-svn: 52314
 2008-06-16 12:21:25 +00:00
Matthijs Kooijman
fedd2bd496 Add comment. 
llvm-svn: 52313
 2008-06-16 12:20:05 +00:00
Argyrios Kyrtzidis
65f671fd74 Minor comment fix. 
llvm-svn: 52312
 2008-06-16 10:14:09 +00:00
Matthijs Kooijman
f6b1a51a94 Fix PR numbers, I accidentally switched two digits. 
llvm-svn: 52311
 2008-06-16 09:38:23 +00:00
Duncan Sands
78bdcc813e Allow these transforms for types like i256 while 
still excluding types like i1 (not byte sized)
and i120 (loading an i120 requires loading an i64,
an i32, an i16 and an i8, which is expensive). 

llvm-svn: 52310
 2008-06-16 08:14:38 +00:00
Evan Cheng
93d91a771c Fix read after free found by valgrind. 
llvm-svn: 52309
 2008-06-16 07:34:17 +00:00
Evan Cheng
2dfe8c2435 Add option to commuteInstruction() which forces it to create a new (commuted) instruction. 
llvm-svn: 52308
 2008-06-16 07:33:11 +00:00
Owen Anderson
114ce854d1 Make indexing empty basic blocks an option for the moment. 
llvm-svn: 52306
 2008-06-16 07:10:49 +00:00
Chris Lattner
ffb6425556 add a const version of stripPointerCasts 
llvm-svn: 52305
 2008-06-16 06:43:06 +00:00
Chris Lattner
0bc9e4aa8f simplify some code by using a helper function. This really really 
wants a 'nocapture' predicate.

llvm-svn: 52304
 2008-06-16 06:38:26 +00:00
Chris Lattner
35be1f6c83 move a bunch of predicates up into their own section 
in this file, no other changes.

llvm-svn: 52303
 2008-06-16 06:30:22 +00:00
Chris Lattner
12453dd555 Other parts of this code treat noalias arguments as objects for 
the purposes of escape analysis.

llvm-svn: 52302
 2008-06-16 06:28:01 +00:00
Chris Lattner
e987a3bdd1 If we are checking to see if the result of a call aliases a 
pointer derived from a local allocation, if the local allocation
never escapes, the pointers can't alias.  This implements PR2436

llvm-svn: 52301
 2008-06-16 06:19:11 +00:00
Owen Anderson
1077c28bb1 Assign indices to empty basic blocks. This will be necessary for StrongPHIElimination in the near future. 
llvm-svn: 52300
 2008-06-16 06:18:41 +00:00
Chris Lattner
4e38446b34 Refactor basicaa's main alias function somethin' fierce. 
This fixes several minor bugs (such as returning noalias
for comparisons between external weak functions an null) but
is mostly a cleanup.

llvm-svn: 52299
 2008-06-16 06:10:11 +00:00
Chris Lattner
63195a4694 this is unneeded now. 
llvm-svn: 52298
 2008-06-16 04:25:39 +00:00
Chris Lattner
0b945db11c Switch from generating the int128 typedefs based on targetdata to generating 
them based on the end-compiler's capabilities.  This fixes PR2453

llvm-svn: 52297
 2008-06-16 04:25:29 +00:00
Chris Lattner
61de4d6454 resolve PR2453 by adding a run line. 
llvm-svn: 52296
 2008-06-16 04:22:39 +00:00
Chris Lattner
ac4fe3f51c Fix the crash on SimplifyLibCalls/2005-05-20-sprintf-crash.ll 
llvm-svn: 52295
 2008-06-16 04:10:21 +00:00
Chris Lattner
09554fd076 fix pr2460 
llvm-svn: 52294
 2008-06-16 04:02:40 +00:00
Duncan Sands
2dffe1cc15 The transforms in visitEXTRACT_VECTOR_ELT are 
not valid if the load is volatile.  Hopefully
all wrong DAG combiner transforms of volatile
loads and stores have now been caught.

llvm-svn: 52293
 2008-06-15 20:12:31 +00:00
Duncan Sands
2671518b8b LegalizeTypes support for INSERT_VECTOR_ELT with 
a non-constant index.

llvm-svn: 52292
 2008-06-15 20:00:14 +00:00
Wojciech Matyjewicz
58f5cc8864 Fix PR2434. When scanning for exising binary operator to reuse don't 
take into account the instrucion pointed by InsertPt. Thanks to it, 
returning the new value of InsertPt to the InsertBinop() caller can be 
avoided. The bug was, actually, in visitAddRecExpr() method which wasn't 
correctly handling changes of InsertPt. There shouldn't be any 
performance regression, as -gvn pass (run after -indvars) removes any 
redundant binops.

llvm-svn: 52291
 2008-06-15 19:07:39 +00:00
Wojciech Matyjewicz
0f03682725 Add a missing semicolon. 
llvm-svn: 52290
 2008-06-15 18:02:47 +00:00
Argyrios Kyrtzidis
7236092c4c Add an "exe" suffix only if the output file has no suffix at all. 
llvm-svn: 52289
 2008-06-15 15:20:16 +00:00
Argyrios Kyrtzidis
6f81329b15 Fix the sys::Path::getSuffix() implementation. 
llvm-svn: 52288
 2008-06-15 15:15:19 +00:00
Argyrios Kyrtzidis
fb24e9922d Make sure all produced executable files have "exe" suffix on Windows. 
With this more general way, -native and -native-cbe options are handled too.

llvm-svn: 52287
 2008-06-15 13:48:12 +00:00
Argyrios Kyrtzidis
5528f7cca9 Make sure that the current executable filename has "exe" suffix on Windows. 
llvm-svn: 52286
 2008-06-15 12:07:01 +00:00
Argyrios Kyrtzidis
b42d541919 Append "exe" suffix to executable files. 
llvm-svn: 52285
 2008-06-15 12:01:16 +00:00
Argyrios Kyrtzidis
121cf54264 Fix the environment block that is passed to the CreateProcess function. 
This bug made llvm-ld unable to function with "-native" option, since the process that was used to call 'gcc' was crashing.

llvm-svn: 52284
 2008-06-15 03:54:39 +00:00
Duncan Sands
fa6e02c4dc Remove a redundant AfterLegalize check. Turn 
on some code when !AfterLegalize - but since
this whole code section is turned off by an
"if (0)" it's not really turning anything on.

llvm-svn: 52276
 2008-06-14 17:48:34 +00:00
Wojciech Matyjewicz
f66a7fe9de Change 'while' loop to 'do' loop. 
Add a safety measure. It isn't safe to assume in ScalarEvolutionExpander that
all loops are in canonical form (but it should be safe for loops that have
AddRecs).
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llvm-svn: 52275
 2008-06-14 16:48:22 +00:00
Andrew Lenharth
327c3e7559 add missing atomic intrinsic from gcc 
llvm-svn: 52270
 2008-06-14 05:48:15 +00:00
Chris Lattner
f9d43c9853 Fix a case where tailcallelim wouldn't set the changed bit when it made a change. 
llvm-svn: 52267
 2008-06-14 00:49:48 +00:00
Evan Cheng
2e99c9cbf8 Teach the spiller to commute instructions in order to fold a reload. This hits 410 times on 444.namd and 122 times on 252.eon. 
llvm-svn: 52266
 2008-06-13 23:58:02 +00:00
Eli Friedman
88cdc65941 Remove unnecessary target lines. 
llvm-svn: 52261
 2008-06-13 22:12:16 +00:00
Eli Friedman
46782c75fe Remove unnecessary target lines. 
llvm-svn: 52260
 2008-06-13 22:10:32 +00:00
Eli Friedman
11d4c94933 Don't skip over instructions other than loads that might read memory 
when trying to sink stores.

llvm-svn: 52259
 2008-06-13 22:02:12 +00:00
Dan Gohman
7f1fcc4339 Protect ChangeCompareStride from situations in which it is possible 
for it to generate use-before-def IR, such as in this testcase.

llvm-svn: 52258
 2008-06-13 21:43:41 +00:00