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Author SHA1 Message Date
Evan Cheng
e1fbdc5244 Change createPostRAScheduler so it can be turned off at llc -O1. 
llvm-svn: 84273
 2009-10-16 21:06:15 +00:00
Evan Cheng
96e3c797d1 Add a CodeGenOpt::Less level to match -O1. It'll be used by clients which do not want post-regalloc scheduling. 
llvm-svn: 84272
 2009-10-16 21:02:20 +00:00
Dan Gohman
ef1f246d88 Move zext and sext casts fed by loads into the same block as the 
load, to help SelectionDAG fold them into the loads, unless
conditions are unfavorable.

llvm-svn: 84271
 2009-10-16 20:59:35 +00:00
Devang Patel
a4ac3dd8bc Parse PHI instruction with attached metadata. 
llvm-svn: 84264
 2009-10-16 18:45:49 +00:00
Devang Patel
5920acc861 If there is not any llvm instruction associated with each lexical scope encoded in debug info then create such scope on demand for variable info. 
llvm-svn: 84262
 2009-10-16 18:18:03 +00:00
Victor Hernandez
6d11519b1f Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.

llvm-svn: 84261
 2009-10-16 18:08:17 +00:00
Victor Hernandez
0122f679a8 Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size. 
Thanks to Duncan Sands for noticing this bug.

llvm-svn: 84260
 2009-10-16 18:07:17 +00:00
Chris Lattner
adba165c5c Update from Cristina, llvm-gcc doesn't build on the SPARC version of solaris 
at the moment.

llvm-svn: 84258
 2009-10-16 16:30:58 +00:00
Daniel Dunbar
9483297711 Force triple in tests. 
llvm-svn: 84257
 2009-10-16 16:30:02 +00:00
Duncan Sands
4cde5474aa Strip trailing white space. 
llvm-svn: 84256
 2009-10-16 15:20:13 +00:00
Duncan Sands
71fecaa52c Check that GVN performs this transform even if the calls 
themselves are not marked readonly, but only the called
functions.

llvm-svn: 84253
 2009-10-16 12:18:23 +00:00
Benjamin Kramer
9975abcc38 Update CMake file. 
llvm-svn: 84252
 2009-10-16 10:29:08 +00:00
Sanjiv Gupta
f516a9b2a4 Cleaned up some code. No functionality change. 
llvm-svn: 84251
 2009-10-16 08:58:34 +00:00
Evan Cheng
4df1ac5722 I am no spelling bee. 
llvm-svn: 84250
 2009-10-16 06:18:09 +00:00
Evan Cheng
b1580b5c48 Enable post-alloc scheduling for all ARM variants except for Thumb1. 
llvm-svn: 84249
 2009-10-16 06:11:08 +00:00
Evan Cheng
dde3e4fe11 If post-alloc scheduler is not enabled, it should return false, not true. 
llvm-svn: 84248
 2009-10-16 06:10:34 +00:00
Zhongxing Xu
03d844a262 Indent code. 
llvm-svn: 84247
 2009-10-16 05:42:28 +00:00
Evan Cheng
8685a8ec0c Add comment. 
llvm-svn: 84246
 2009-10-16 05:33:58 +00:00
Evan Cheng
04e4a8a961 80 column violation. 
llvm-svn: 84244
 2009-10-16 05:18:39 +00:00
Bob Wilson
c415e33929 Fix more NEON instruction encodings. 
Patch by Johnny Chen.

llvm-svn: 84243
 2009-10-16 03:58:44 +00:00
Chris Lattner
5d2b384837 Add half precision floating point support (float16) to APFloat, 
patch by Peter Johnson! (PR5195)

llvm-svn: 84239
 2009-10-16 02:13:51 +00:00
Chris Lattner
87bcf3b242 add haiku support, patch by Paul Davey! 
llvm-svn: 84238
 2009-10-16 02:06:30 +00:00
Daniel Dunbar
2be596c127 MC: Set symbol values in MachO MCStreamer. 
llvm-svn: 84236
 2009-10-16 01:58:23 +00:00
Daniel Dunbar
4943610506 Minor formatting tweaks. 
llvm-svn: 84235
 2009-10-16 01:58:15 +00:00
Daniel Dunbar
0df659c00b MC: Switch assembler API to using MCExpr instead of MCValue. 
llvm-svn: 84234
 2009-10-16 01:58:03 +00:00
Daniel Dunbar
022b59a0b5 MC: Remove unneeded context argument to MCExpr::Evaluate*. 
llvm-svn: 84233
 2009-10-16 01:57:52 +00:00
Daniel Dunbar
af3162e523 MC: Tweak variable assignment diagnostics, and make reassignment of non-absolute 
variables and symbols invalid.

llvm-svn: 84232
 2009-10-16 01:57:39 +00:00
Daniel Dunbar
a4df6e46a4 MC: When parsing a variable reference, substitute absolute variables immediately 
since they are allowed to be redefined.

llvm-svn: 84230
 2009-10-16 01:34:54 +00:00
Daniel Dunbar
6b7edc035b MC: Move assembler variable values from MCContext to MCSymbol. 
llvm-svn: 84229
 2009-10-16 01:33:57 +00:00
Daniel Dunbar
c5165c4258 MC: Switch MCContext value table to storing MCExprs. 
llvm-svn: 84228
 2009-10-16 01:33:11 +00:00
Evan Cheng
54b34ff68d When checking aliases between phi sources and V2, we know the sources are not themselves phi nodes. However, V2 may be. Call aliasCheck with V2 first to potentially eliminate a std::swap call. 
llvm-svn: 84226
 2009-10-16 00:33:09 +00:00
Bob Wilson
60ffc7b6b9 Revert svn r80498 and replace it with a different solution. The only problem 
I can see with the original code was that I forgot that this runs after
type legalization and hence the result type will always be i32. (Custom
legalization of EXTRACT_VECTOR_ELT is only enabled for vector types with
8- and 16-bit elements.)

Regarding the FIXME comment: any information about sign and zero-extension
should be captured by separate extension operations.  The DAG combiner should
handle those to produce either VGETLANEu or VGETLANEs, and that seems to be
working now.  If there are cases that we're missing, let me know.

llvm-svn: 84218
 2009-10-15 23:12:05 +00:00
Anton Korobeynikov
7d6c12de5b Dllexport stuff cleanup: 
1. Emit external function type information for all COFF targets since it's
a feature of object format
2. Emit linker directives only for cygming (since this is ld-specific stuff)

llvm-svn: 84214
 2009-10-15 22:36:18 +00:00
Sandeep Patel
c0762ba283 Branches must be the last instruction in a Thumb2 IT block. Approved by Evan Cheng. 
llvm-svn: 84212
 2009-10-15 22:25:32 +00:00
Bob Wilson
aa08dec009 Fix encoding bits for N3VLInt3_QHS multiclass with 8-bit elements. 
Patch by Johnny Chen.

llvm-svn: 84206
 2009-10-15 21:57:47 +00:00
Kevin Enderby
f2a8226515 Fix ARM memory operand parsing of post indexing with just a base register, that 
is just "[Rn]" and no tailing comma with an offset, etc.

llvm-svn: 84205
 2009-10-15 21:42:45 +00:00
Bob Wilson
cea08d0d4a Fix a potential performance problem in placing ARM constant pools. 
In the case where there are no good places to put constants and we fall back
upon inserting unconditional branches to make new blocks, allow all constant
pool references in range of those blocks to put constants there, even if that
means resetting the "high water marks" for those references.  This will still
terminate because you can't keep splitting blocks forever, and in the bad
cases where we have to split blocks, it is important to avoid splitting more
than necessary.

llvm-svn: 84202
 2009-10-15 20:49:47 +00:00
Kevin Enderby
48a0aac679 More bits of the ARM target assembler for llvm-mc, code added to parse labels 
as expressions, code for parsing a few arm specific directives (still needs
the MCStreamer calls for these).  Some clean up of the operand parsing code
and adding some comments.

llvm-svn: 84201
 2009-10-15 20:48:48 +00:00
Evan Cheng
0a57c7d459 Remove X86Subtarget::IsLinux. It's no longer being used. 
llvm-svn: 84200
 2009-10-15 20:23:21 +00:00
Victor Hernandez
603a11de4e Fix bug where array malloc with unexpected computation of the size argument resulted in MallocHelper 
identifying the malloc as a non-array malloc.  This broke GlobalOpt's optimization of stores of mallocs 
to global variables.

The fix is to classify malloc's into 3 categories:
1. non-array mallocs
2. array mallocs whose array size can be determined
3. mallocs that cannot be determined to be of type 1 or 2 and cannot be optimized

getMallocArraySize() returns NULL for category 3, and all users of this function must avoid their 
malloc optimization if this function returns NULL.

Eventually, currently unexpected codegen for computing the malloc's size argument will be supported in
isArrayMalloc() and getMallocArraySize(), extending malloc optimizations to those examples.

llvm-svn: 84199
 2009-10-15 20:14:52 +00:00
Benjamin Kramer
44c164e005 Add files Sanjiv forgot. 
llvm-svn: 84196
 2009-10-15 19:46:34 +00:00
Sanjiv Gupta
d279da3360 Re-apply 84180 with the fixed test case. 
llvm-svn: 84195
 2009-10-15 19:26:25 +00:00
Jakob Stoklund Olesen
311774b780 Move Blackfin intrinsics into the Target/Blackfin directory. 
llvm-svn: 84194
 2009-10-15 18:50:52 +00:00
Jakob Stoklund Olesen
2ba26ceb11 Report errors correctly for unselected target intrinsics. 
llvm-svn: 84193
 2009-10-15 18:50:03 +00:00
Jakob Stoklund Olesen
2fe044dcb7 Clean up TargetIntrinsicInfo API. Add pure virtual methods. 
llvm-svn: 84192
 2009-10-15 18:49:26 +00:00
Nick Lewycky
7ec7f1ce0f Add missing break statements! Thanks to Duncan Sands for pointing this out! 
llvm-svn: 84191
 2009-10-15 18:48:58 +00:00
Jakob Stoklund Olesen
528ceba13f Tablegen target intrinsics from the target main .td file. 
Fix pasto.

llvm-svn: 84190
 2009-10-15 18:48:47 +00:00
Benjamin Kramer
1ae4bc038e Disable another unittest that doesn't work on arm and ppc. 
llvm-svn: 84186
 2009-10-15 16:49:16 +00:00
Daniel Dunbar
609b7287b8 Revert "Complete Rewrite of AsmPrinter, TargetObjectFile based on new 
PIC16Section class", it breaks globals.ll.

llvm-svn: 84184
 2009-10-15 15:02:14 +00:00
Sanjiv Gupta
feff117097 Complete Rewrite of AsmPrinter, TargetObjectFile based on new PIC16Section class 
derived from MCSection.

llvm-svn: 84180
 2009-10-15 10:10:43 +00:00