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32833 Commits

Author SHA1 Message Date
Owen Anderson ac83a3e4ff Add a place where I missed using the maximal set. Note that using the maximal 
set this way is _SLOW_.  Somewhere down the line, I'll look at speeding it up.

llvm-svn: 37345
 2007-05-29 22:35:41 +00:00
Evan Cheng c2237ce217 If there is an empty block between a source and its successor block, it still requires a unconditional branch. 
llvm-svn: 37344
 2007-05-29 22:31:16 +00:00
Owen Anderson 5fba6c19b2 Very first part of a GVN-PRE implementation. It currently performs a bunch of analysis, and nothing more. It is also quite slow for the moment. However, 
it should give a sense of what's going on.

llvm-svn: 37343
 2007-05-29 21:53:49 +00:00
Evan Cheng 2d91a4fd6a Add missing const qualifiers. 
llvm-svn: 37342
 2007-05-29 18:42:18 +00:00
Evan Cheng 5983bdbb2c Add missing const qualifiers. 
llvm-svn: 37341
 2007-05-29 18:35:22 +00:00
Nicolas Geoffray cff3e122b0 Implementation of compilation callback in PPC ELF32 
llvm-svn: 37340
 2007-05-29 16:33:18 +00:00
Chris Lattner a446f1b46b more fixes to C code. 
llvm-svn: 37339
 2007-05-29 15:43:56 +00:00
Bill Wendling 2d8b9a8834 Fixed some formatting. 
llvm-svn: 37338
 2007-05-29 09:42:13 +00:00
Bill Wendling 0a303eb474 Added "llvmc" to the FAQ. 
llvm-svn: 37337
 2007-05-29 09:35:34 +00:00
Bill Wendling 2c22fcb11c Added "doc_class" div tags to code segments. 
llvm-svn: 37336
 2007-05-29 09:24:33 +00:00
Bill Wendling 3716c5df29 Fix for PR1452. Removed "define" keyword from the C code. Added "<div 
class="doc_code">" to code examples.

llvm-svn: 37335
 2007-05-29 09:04:49 +00:00
Chris Lattner 8deaba7622 Add a new LLVMBuilder class, which makes it simpler and more uniform to 
create large amounts of instructions by separating the insertion point
logic from the logic of what to create.

llvm-svn: 37332
 2007-05-27 15:09:34 +00:00
Zhou Sheng d7dc1ed64c Correct the logic in LowerPartSet which cleared the bits from 0 to low-1. 
llvm-svn: 37331
 2007-05-26 03:43:13 +00:00
Chris Lattner 4698083b96 tighten up recursion depth again 
llvm-svn: 37330
 2007-05-25 02:19:06 +00:00
Devang Patel 1b63e7a4b8 Disable Tail Merging for now. 
llvm-svn: 37329
 2007-05-25 01:00:24 +00:00
Evan Cheng 13f5f7df95 Silly boog. 
llvm-svn: 37328
 2007-05-25 00:59:01 +00:00
Chris Lattner c87f3dff51 remove contradiction owen noticed 
llvm-svn: 37327
 2007-05-24 19:13:27 +00:00
Chris Lattner 80c94a4a04 Fix PR1446 by not scalarrepl'ing giant structures. 
llvm-svn: 37326
 2007-05-24 18:43:04 +00:00
Chris Lattner 49a34fcca7 testcase for PR1446 
llvm-svn: 37325
 2007-05-24 18:42:47 +00:00
Dale Johannesen 1409b6a59b Blocks that cond-br and uncond-br/fallthrough to same block should have 
only one successor.

llvm-svn: 37324
 2007-05-24 18:31:55 +00:00
Dale Johannesen 1af8c870c7 Fix for PR1444: do not create two successors to the same block. 
Temporarily, this breaks CodeGen/Generic/2006-02-12-InsertLibraryCall.ll
by exposing an unrelated latent problem; working on that.

llvm-svn: 37323
 2007-05-24 17:39:32 +00:00
Zhou Sheng 8ff9ff7975 Compute the correct word number. 
llvm-svn: 37322
 2007-05-24 15:03:18 +00:00
Dan Gohman 30978078bf Minor comment cleanups. 
llvm-svn: 37321
 2007-05-24 14:36:04 +00:00
Dan Gohman 703e0f8608 Add explicit qualification for namespace MVT members. 
llvm-svn: 37320
 2007-05-24 14:33:05 +00:00
Dan Gohman 5d4bb4f230 Add cases for v2f32. 
llvm-svn: 37319
 2007-05-24 14:29:12 +00:00
Evan Cheng a4d187b8ce Fix a typo that caused combiner to create mal-formed pre-indexed store where value store is the same as the base pointer. 
llvm-svn: 37318
 2007-05-24 02:35:39 +00:00
Evan Cheng b58bf97603 Add a new test case. 
llvm-svn: 37317
 2007-05-24 02:31:15 +00:00
Dale Johannesen d750b46f8b tail merging shrinks this code a bit. Could do more in future. 
llvm-svn: 37316
 2007-05-23 21:09:26 +00:00
Dale Johannesen f4a77d2481 Two tail merging improvements: 
When considering blocks with more than 2 predecessors, merge the block with
the largest number of matching insns, rather than the first block found.
Considering that 1 matching insn is enough to show a win for candidates that
already end with a branch.

llvm-svn: 37315
 2007-05-23 21:07:20 +00:00
Devang Patel d50859e87b Add dump() routines for debugging assistance. 
llvm-svn: 37314
 2007-05-23 19:55:36 +00:00
Anton Korobeynikov 3b327826db Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439 
llvm-svn: 37311
 2007-05-23 11:08:31 +00:00
Chris Lattner 6509c0673f prevent exponential recursion in isNegatibleForFree 
llvm-svn: 37310
 2007-05-23 07:35:22 +00:00
Evan Cheng d0e669199b Preliminary iterative if-conversion support. 
llvm-svn: 37309
 2007-05-23 07:23:16 +00:00
Evan Cheng 1d764eca98 Hooks for predication support. 
llvm-svn: 37308
 2007-05-23 07:22:05 +00:00
Evan Cheng c972de8c8b Rename a parameter. 
llvm-svn: 37307
 2007-05-23 07:21:11 +00:00
Evan Cheng 1e25f56508 Add a couple of target hooks for predication. 
llvm-svn: 37306
 2007-05-23 07:19:12 +00:00
Chris Lattner 688b2807df when merging two alias sets together, be sure to propagate the volatility of 
the inner set.  This fixes PR1435 and Transforms/LICM/2007-05-22-VolatileSink.ll

llvm-svn: 37305
 2007-05-23 06:36:35 +00:00
Chris Lattner e44b6a6aaf new testcase for PR1435 
llvm-svn: 37304
 2007-05-23 06:35:52 +00:00
Chris Lattner c7e60517ed make these accessors private. 
llvm-svn: 37302
 2007-05-23 05:46:04 +00:00
Devang Patel 4d01a7b1b5 If user wants to run instcombine twice, do not block it. 
llvm-svn: 37301
 2007-05-23 05:08:52 +00:00
Chris Lattner bee7b32ef8 final updates 
llvm-svn: 37299
 2007-05-23 04:39:32 +00:00
Chris Lattner f79577d314 fix a miscompilation when passing a float through varargs 
llvm-svn: 37297
 2007-05-23 01:17:04 +00:00
Reid Spencer c23c9fce34 The Intrinsic::getDeclaration function's Tys parameter only contains the 
types of the iAny types involved in the overloaded intrinsic. Thus, we
can't use the argument number as the index but have to count them separately
in order to index Tys correctly. This patch rectifies this situation.

llvm-svn: 37296
 2007-05-22 19:30:31 +00:00
Reid Spencer bdf03b4174 Reinstate the patch for escaping non-printing characters and allow for 
\\ to escape \. All these cases are now handled by the AsmParser.

llvm-svn: 37295
 2007-05-22 19:27:35 +00:00
Reid Spencer c5cec2a4e8 Regenerate. 
llvm-svn: 37294
 2007-05-22 19:08:16 +00:00
Reid Spencer 0f656c39e1 Don't allow the UnEscape code to read or write beyond the end of yytext. 
Make sure we convert \\ into \.

llvm-svn: 37293
 2007-05-22 19:07:45 +00:00
Reid Spencer acfe667eab Regenerate. 
llvm-svn: 37292
 2007-05-22 18:52:55 +00:00
Reid Spencer 3b208cca84 Implement full unescaping of escaped hex characters in all quoted identifiers 
and strings.

llvm-svn: 37291
 2007-05-22 18:52:21 +00:00
Dale Johannesen 10c5ccc68f Document boolOrDefault and its parser. 
llvm-svn: 37290
 2007-05-22 18:32:34 +00:00
Dale Johannesen f9cbdc676c name change requested by review of previous patch 
llvm-svn: 37289
 2007-05-22 18:31:04 +00:00