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Author SHA1 Message Date
Scott Michel
12a5f7cfb9 Fix test erratum (which is wierd: works locally for me?) 
llvm-svn: 61511
 2008-12-30 23:52:05 +00:00
Scott Michel
cdcae67887 - Start moving target-dependent nodes that could be represented by an 
instruction sequence and cannot ordinarily be simplified by DAGcombine
  into the various target description files or SPUDAGToDAGISel.cpp.

  This makes some 64-bit operations legal.

- Eliminate target-dependent ISD enums.

- Update tests.

llvm-svn: 61508
 2008-12-30 23:28:25 +00:00
Bill Wendling
067c48f7a6 Linux wants the FDE initial location and address range to be forced to 32-bit. 
Darwin doesn't. Make this optional for platforms.

llvm-svn: 61484
 2008-12-29 22:12:11 +00:00
Bill Wendling
4749654506 The FDE initial location and address range data should be free to be 64-bit 
(quad) on a 64-bit platform. This fixes a problem with EH frames on Darwin.

llvm-svn: 61483
 2008-12-29 21:51:42 +00:00
Misha Brukman
abfa50fc15 * Updated TOC and fixed named anchors 
* Simplified section header marking 

llvm-svn: 61482
 2008-12-29 21:33:30 +00:00
Misha Brukman
4d4b7394f9 Minimize the width of the notes region: it will end where the text ends, if the 
line of text is short enough, instead of stretching all the way to the right
margin.

llvm-svn: 61481
 2008-12-29 21:25:09 +00:00
Misha Brukman
5b00db2c8f Simplified marking code regions with a single <pre> rather than 
a (<div>, <pre>) combo.

llvm-svn: 61480
 2008-12-29 21:20:51 +00:00
Duncan Sands
f7fb4d197c Make stripPointerCasts and getUnderlyingObject 
non-recursive.

llvm-svn: 61479
 2008-12-29 21:06:19 +00:00
Duncan Sands
488fe8b8a2 Experiments show that looking through phi nodes 
and select instructions doesn't buy anything here
except extra complexity: the only difference in
the entire testsuite was that a readonly function
became readnone in MiBench/consumer-typeset.  Add
a comment about this.

llvm-svn: 61478
 2008-12-29 20:51:17 +00:00
Misha Brukman
00d6a6ed4e Fixed spelling, removed trailing whitespace. 
llvm-svn: 61477
 2008-12-29 20:08:23 +00:00
Misha Brukman
207cd717bd Center the legal note to give it even padding on left and right, and make it 
stand out better.

llvm-svn: 61475
 2008-12-29 19:55:01 +00:00
Misha Brukman
438c7fddb0 Cleanup: clarify llvm-gcc version and package name. 
llvm-svn: 61474
 2008-12-29 19:38:58 +00:00
Duncan Sands
fb6f54629f Clarify a bit. Based on feedback by Talin. 
llvm-svn: 61470
 2008-12-29 15:27:32 +00:00
Duncan Sands
bd0cbff28e Allow readnone functions to read (and write!) global 
constants, since doing so is irrelevant for aliasing
purposes.  While this doesn't increase the total number
of functions marked readonly or readnone in MultiSource/
Applications (3089), it does result in 12 functions being
marked readnone rather than readonly.
Before:
  readnone: 820
  readonly: 2269
After:
  readnone: 832
  readonly: 2257

llvm-svn: 61469
 2008-12-29 11:34:09 +00:00
Duncan Sands
ef77539014 Add braces, as suggested by a gcc warning. 
llvm-svn: 61465
 2008-12-29 08:05:02 +00:00
Scott Michel
e555efe94d - Various '#if 0' cleanups. 
- Move v4i32, i32 mul into SPUInstrInfo.td, with a few more instruction
  cleanups there as well.
- Make SMUL_LOHI, UMUL_LOHI competely illegal for Cell SPU, to better
  assist Chris to see the problem in bug 3101.

llvm-svn: 61464
 2008-12-29 03:23:36 +00:00
Scott Michel
5bb7db3872 Teach LeaglizeDAG that i64 mul can be a libcall. 
llvm-svn: 61463
 2008-12-29 03:21:37 +00:00
Chris Lattner
befcb38427 select constant exprs should have the same constraints as select instructions, 
notably, they should support vectors and aggregates.

llvm-svn: 61462
 2008-12-29 00:16:12 +00:00
Chris Lattner
031a666948 move select validation logic into a shared place where the select ctor, 
verifier, asm parser, etc can share it.

llvm-svn: 61461
 2008-12-29 00:12:50 +00:00
Owen Anderson
e5b1fb3c25 Fix up kill/dead marking in the new live interval reconstruction code. 
llvm-svn: 61460
 2008-12-28 23:35:13 +00:00
Owen Anderson
4acaef9e5f Forgot to commit this file. 
Add a clear() method to remove all ranges and value numbers for a live interval.

llvm-svn: 61459
 2008-12-28 21:57:02 +00:00
Owen Anderson
e21f8339f8 Add prototype code for recomputing a live interval's ranges and valnos through recursive phi construction. 
llvm-svn: 61458
 2008-12-28 21:48:48 +00:00
Nick Lewycky
bb69bd55a4 Check that the function prototypes are correct before assuming that the 
parameters are pointers.

llvm-svn: 61451
 2008-12-27 16:20:53 +00:00
Chris Lattner
700ddfea3c add testcase for type parsing. 
llvm-svn: 61449
 2008-12-27 08:10:46 +00:00
Chris Lattner
b299065a53 implement simplify_type for PATypeHolder so that isa<FooType>(PATypeHolder) 
works.

llvm-svn: 61448
 2008-12-27 07:47:40 +00:00
Scott Michel
bf224860c8 - Remove Tilmann's custom truncate lowering: it completely hosed over 
DAGcombine's ability to find reasons to remove truncates when they were not
  needed. Consequently, the CellSPU backend would produce correct, but _really
  slow and horrible_, code.

  Replaced with instruction sequences that do the equivalent truncation in
  SPUInstrInfo.td.

- Re-examine how unaligned loads and stores work. Generated unaligned
  load code has been tested on the CellSPU hardware; see the i32operations.c
  and i64operations.c in CodeGen/CellSPU/useful-harnesses.  (While they may be
  toy test code, it does prove that some real world code does compile
  correctly.)

- Fix truncating stores in bug 3193 (note: unpack_df.ll will still make llc
  fault because i64 ult is not yet implemented.)

- Added i64 eq and neq for setcc and select/setcc; started new instruction
  information file for them in SPU64InstrInfo.td. Additional i64 operations
  should be added to this file and not to SPUInstrInfo.td.

llvm-svn: 61447
 2008-12-27 04:51:36 +00:00
Chris Lattner
cd245cc5c3 add PR # 
llvm-svn: 61427
 2008-12-25 05:40:38 +00:00
Chris Lattner
fde038935b Add a simple pattern for matching 'bt'. 
llvm-svn: 61426
 2008-12-25 05:34:37 +00:00
Chris Lattner
062ed6e3dd Fix some JIT encodings. 
llvm-svn: 61425
 2008-12-25 01:32:49 +00:00
Chris Lattner
f34b843728 BT memory operands load from their address operand. 
llvm-svn: 61424
 2008-12-25 01:27:10 +00:00
Chris Lattner
e9229dc899 translateX86CC can never fail. Simplify it based on this. 
llvm-svn: 61423
 2008-12-24 23:53:05 +00:00
Bill Wendling
044248aad1 Darwin likes for the EH frame to be non-local. 
llvm-svn: 61420
 2008-12-24 08:05:17 +00:00
Bill Wendling
6add893a14 GCC doesn't emit DW_EH_PE_sdata4 for the FDE encoding on Darwin. I'm not sure 
about other platforms.

llvm-svn: 61415
 2008-12-24 05:25:49 +00:00
Bill Wendling
f348b28d39 Revert the changes in this testcase until Anton can fix them. 
llvm-svn: 61414
 2008-12-24 05:23:34 +00:00
Dan Gohman
7ff343fe6c Fix a compiler-abort on a testcase where the stack-pointer is added to 
a symbolic constant. This is unlikely to be intentional, but it
shouldn't crash the compiler.

llvm-svn: 61408
 2008-12-24 00:27:51 +00:00
Chris Lattner
ca08c532f7 indentation 
llvm-svn: 61407
 2008-12-24 00:11:37 +00:00
Dale Johannesen
88e47fa0e4 Change comments so everybody can understand them, hopefully. 
llvm-svn: 61405
 2008-12-23 23:47:22 +00:00
Chris Lattner
c20dd60a21 simplify some control flow and reduce indentation, no functionality change. 
llvm-svn: 61404
 2008-12-23 23:42:27 +00:00
Dale Johannesen
20cf29cad2 Revert 61362 and 61402 until SPEC breakage is fixed. 
llvm-svn: 61403
 2008-12-23 23:21:35 +00:00
Dale Johannesen
cd64ce7fc8 This fixes the bug in 175.vpr. It doesn't fix the 
other SPEC breakage.  I'll be reverting all recent
changes shortly, this checking is mostly so this
change doesn't get lost.

llvm-svn: 61402
 2008-12-23 23:05:26 +00:00
Dale Johannesen
e1a3d2da49 Add another permutation where we should get rid of a-a. 
llvm-svn: 61401
 2008-12-23 23:01:27 +00:00
Dan Gohman
1ba93ac6be Add instruction patterns and encodings for the x86 bt instructions. 
llvm-svn: 61400
 2008-12-23 22:45:23 +00:00
Anton Korobeynikov
4aaf7c6b6a Update test 
llvm-svn: 61399
 2008-12-23 22:26:37 +00:00
Anton Korobeynikov
328347152a Restore debug printing 
llvm-svn: 61398
 2008-12-23 22:26:18 +00:00
Anton Korobeynikov
f4a9c57b23 Sometimes APInt syntax is really ugly... :( 
llvm-svn: 61397
 2008-12-23 22:26:01 +00:00
Anton Korobeynikov
a2055f8f17 Indent stuff properly 
llvm-svn: 61396
 2008-12-23 22:25:45 +00:00
Anton Korobeynikov
9559c8c377 Initial checkin of APInt'ififcation of switch lowering 
llvm-svn: 61395
 2008-12-23 22:25:27 +00:00
Devang Patel
d4aebdfa3f Silence unused variable warnings. 
llvm-svn: 61392
 2008-12-23 21:56:28 +00:00
Devang Patel
1a9c404ed2 Fix typo. 
Silence unused variable warning.

llvm-svn: 61391
 2008-12-23 21:55:38 +00:00
Devang Patel
28420198a6 Silience unused warnings. 
llvm-svn: 61390
 2008-12-23 21:55:04 +00:00