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Author SHA1 Message Date
Bill Wendling
94f0a38a00 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61538 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 01:19:59 +00:00
Bill Wendling
3479be91c4 Add transformation: 
xor (or (icmp, icmp), true) -> and(icmp, icmp)

This is possible because of De Morgan's law.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61537 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 01:18:23 +00:00
Bill Wendling
d5b207baab Some compilers are picky about accessing the first element of a std::vector if 
there's nothing in the vector. Pacify them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 01:14:31 +00:00
Duncan Sands
1010941954 Look through phi nodes and select instructions when 
calculating nocapture attributes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61535 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 20:21:34 +00:00
Bill Wendling
587cbd0058 This is not failing on Darwin for some reason. XFAIL for other platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 19:26:09 +00:00
Duncan Sands
17da06ffbd Don't analyze arguments already marked 'nocapture'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 18:08:59 +00:00
Misha Brukman
3fa0de2727 Fixed grammar and capitalization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:44:36 +00:00
Misha Brukman
f2f8d79790 Add spacing between type and variable name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:41:49 +00:00
Misha Brukman
8050e9e854 Comment headers should extend to 80 chars. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:40:52 +00:00
Misha Brukman
262b05f637 Fix spacing to be uniform for parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:39:58 +00:00
Misha Brukman
5eb009af67 Removed extra spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:38:27 +00:00
Misha Brukman
7ae6ff442a Import of Google Test 1.2.1, with the non-essential bits removed. 
Added a README.LLVM file to indicate which files and directories
were removed from the original source tarball.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 17:34:06 +00:00
Duncan Sands
9e89ba31f1 Rename AddReadAttrs to FunctionAttrs, and teach it how 
to work out (in a very simplistic way) which function
arguments (pointer arguments only) are only dereferenced
and so do not escape.  Mark such arguments 'nocapture'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61525 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 16:14:43 +00:00
Oscar Fuentes
0c913735c7 CMake: Added some VC++ specific info to CMake.html. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 14:36:41 +00:00
Chris Lattner
033ff38411 Add a new Attribute::getAlignmentFromAttrs method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61517 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 08:41:38 +00:00
Bill Wendling
67b9a2abc4 XFAIL test caused by r61493. Apparently, this is expected? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 08:26:55 +00:00
Owen Anderson
7d211e299f Get live interval reconstruction several steps closer to working. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61514 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 02:00:25 +00:00
Chris Lattner
d23b799d7d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61513 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 00:54:13 +00:00
Scott Michel
477dc85052 XFAIL this for now until I can figure out what's going on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 00:08:25 +00:00
Scott Michel
87142b1b0a Fix test erratum (which is wierd: works locally for me?) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-30 23:52:05 +00:00
Scott Michel
02d711b93e - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-30 23:28:25 +00:00
Bill Wendling
998dee96d3 Linux wants the FDE initial location and address range to be forced to 32-bit. 
Darwin doesn't. Make this optional for platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 22:12:11 +00:00
Bill Wendling
bce452815c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:51:42 +00:00
Misha Brukman
8722a2cf44 * Updated TOC and fixed named anchors 
* Simplified section header marking 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61482 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:33:30 +00:00
Misha Brukman
9e6b68dc1f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61481 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:25:09 +00:00
Misha Brukman
0427f7a4af Simplified marking code regions with a single <pre> rather than 
a (<div>, <pre>) combo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:20:51 +00:00
Duncan Sands
f08bf1193c Make stripPointerCasts and getUnderlyingObject 
non-recursive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61479 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:06:19 +00:00
Duncan Sands
2964fe37ae 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61478 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 20:51:17 +00:00
Misha Brukman
e9dd47afa6 Fixed spelling, removed trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61477 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 20:08:23 +00:00
Misha Brukman
740e3db203 Center the legal note to give it even padding on left and right, and make it 
stand out better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 19:55:01 +00:00
Misha Brukman
ccd029507e Cleanup: clarify llvm-gcc version and package name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61474 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 19:38:58 +00:00
Duncan Sands
6531d477a2 Clarify a bit. Based on feedback by Talin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61470 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 15:27:32 +00:00
Duncan Sands
516ec62bfe 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61469 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 11:34:09 +00:00
Duncan Sands
2b7fc1ef53 Add braces, as suggested by a gcc warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 08:05:02 +00:00
Scott Michel
1df30c4061 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 03:23:36 +00:00
Scott Michel
845145f8b5 Teach LeaglizeDAG that i64 mul can be a libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 03:21:37 +00:00
Chris Lattner
9ace0cdb12 select constant exprs should have the same constraints as select instructions, 
notably, they should support vectors and aggregates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 00:16:12 +00:00
Chris Lattner
b76ec320dc move select validation logic into a shared place where the select ctor, 
verifier, asm parser, etc can share it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 00:12:50 +00:00
Owen Anderson
d4f6fe55eb Fix up kill/dead marking in the new live interval reconstruction code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-28 23:35:13 +00:00
Owen Anderson
169d408027 Forgot to commit this file. 
Add a clear() method to remove all ranges and value numbers for a live interval.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61459 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-28 21:57:02 +00:00
Owen Anderson
60d4f6ded2 Add prototype code for recomputing a live interval's ranges and valnos through recursive phi construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-28 21:48:48 +00:00
Nick Lewycky
3037eda1ef Check that the function prototypes are correct before assuming that the 
parameters are pointers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61451 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-27 16:20:53 +00:00
Chris Lattner
7c3f161569 add testcase for type parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61449 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-27 08:10:46 +00:00
Chris Lattner
793b2e3f6f implement simplify_type for PATypeHolder so that isa<FooType>(PATypeHolder) 
works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61448 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-27 07:47:40 +00:00
Scott Michel
f0569be4a9 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61447 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-27 04:51:36 +00:00
Chris Lattner
1323e8bf6a add PR # 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61427 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-25 05:40:38 +00:00
Chris Lattner
e55484eb45 Add a simple pattern for matching 'bt'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61426 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-25 05:34:37 +00:00
Chris Lattner
f1e9fd5676 Fix some JIT encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61425 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-25 01:32:49 +00:00
Chris Lattner
d1e3229e4b BT memory operands load from their address operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61424 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-25 01:27:10 +00:00
Chris Lattner
1c39d4cfaa translateX86CC can never fail. Simplify it based on this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61423 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-24 23:53:05 +00:00