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18994 Commits

Author SHA1 Message Date
Owen Anderson
9b6bd12ef0 Comment debug code out that I accidentally uncommented last time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:43:03 +00:00
Owen Anderson
b502bdb604 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:35:41 +00:00
Evan Cheng
c8ed9badfa If there is an empty block between a source and its successor block, it still requires a unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37344 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:31:16 +00:00
Owen Anderson
ea12a06a81 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37343 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 21:53:49 +00:00
Evan Cheng
62ccdbf0b3 Add missing const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 18:42:18 +00:00
Evan Cheng
f277ee4be7 Add missing const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 18:35:22 +00:00
Nicolas Geoffray
2fb813d70b Implementation of compilation callback in PPC ELF32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37340 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 16:33:18 +00:00
Zhou Sheng
924361aef9 Correct the logic in LowerPartSet which cleared the bits from 0 to low-1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37331 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-26 03:43:13 +00:00
Chris Lattner
3adf951364 tighten up recursion depth again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 02:19:06 +00:00
Evan Cheng
4bec8ae694 Silly boog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 00:59:01 +00:00
Chris Lattner
7139406707 Fix PR1446 by not scalarrepl'ing giant structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37326 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 18:43:04 +00:00
Dale Johannesen
035fdeb370 Blocks that cond-br and uncond-br/fallthrough to same block should have 
only one successor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37324 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 18:31:55 +00:00
Dale Johannesen
de0963df42 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 17:39:32 +00:00
Zhou Sheng
849c5b4537 Compute the correct word number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 15:03:18 +00:00
Dan Gohman
fa73ea2d9f Minor comment cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:36:04 +00:00
Dan Gohman
237898ac1f Add explicit qualification for namespace MVT members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:33:05 +00:00
Dan Gohman
d520559d58 Add cases for v2f32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:29:12 +00:00
Evan Cheng
c843abe868 Fix a typo that caused combiner to create mal-formed pre-indexed store where value store is the same as the base pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 02:35:39 +00:00
Dale Johannesen
7aea832034 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37315 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 21:07:20 +00:00
Devang Patel
79b48b8bc0 Add dump() routines for debugging assistance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 19:55:36 +00:00
Anton Korobeynikov
070280e97f Mark all calls as "could throw", when exceptions are enabled. Emit necessary LP info too. This fixes PR1439 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37311 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 11:08:31 +00:00
Chris Lattner
501fee71e0 prevent exponential recursion in isNegatibleForFree 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37310 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:35:22 +00:00
Evan Cheng
a13aa95bc8 Preliminary iterative if-conversion support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:23:16 +00:00
Evan Cheng
69d555611a Hooks for predication support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:22:05 +00:00
Evan Cheng
d90733035d Rename a parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37307 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 07:21:11 +00:00
Chris Lattner
f711fb7af8 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37305 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 06:36:35 +00:00
Devang Patel
b3b87708eb If user wants to run instcombine twice, do not block it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37301 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 05:08:52 +00:00
Chris Lattner
2b7e0ade62 fix a miscompilation when passing a float through varargs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37297 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 01:17:04 +00:00
Reid Spencer
4ad513ca15 Reinstate the patch for escaping non-printing characters and allow for 
\\ to escape \. All these cases are now handled by the AsmParser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37295 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 19:27:35 +00:00
Reid Spencer
e2aa96140e Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37294 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 19:08:16 +00:00
Reid Spencer
8ecdbf2d5f Don't allow the UnEscape code to read or write beyond the end of yytext. 
Make sure we convert \\ into \.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37293 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 19:07:45 +00:00
Reid Spencer
0a8a16b727 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 18:52:55 +00:00
Reid Spencer
6ecdcc1c03 Implement full unescaping of escaped hex characters in all quoted identifiers 
and strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37291 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 18:52:21 +00:00
Dale Johannesen
e6e435498c name change requested by review of previous patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 18:31:04 +00:00
Owen Anderson
2b77d3b091 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37288 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 18:13:40 +00:00
Dale Johannesen
81da02b553 Make tail merging the default, except on powerPC. There was no prior art 
for a target-dependent default with a command-line override; this way
should be generally usable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 17:14:46 +00:00
Chris Lattner
9621921acb temporarily revert reid's asmwriter patch, it is missing the asmparser piece 
that decodes the escape sequences, thus breaking all cases that use them.

This fixes test/Assembler/2007-05-21-Escape.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37284 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 07:00:50 +00:00
Chris Lattner
d3bd070540 update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37282 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 06:56:32 +00:00
Chris Lattner
8e00832ae1 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37281 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 06:47:55 +00:00
Chris Lattner
86fd6304ac simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 06:47:11 +00:00
Bill Wendling
cd6cea0823 We only need to specify the most-implied feature for an architecture. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37275 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-22 05:15:37 +00:00
Evan Cheng
94679e66bb Fix some -march=thumb regressions. tBR_JTr is not predicable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37272 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 23:17:32 +00:00
Dale Johannesen
f23b8cf239 Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37271 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 22:42:04 +00:00
Evan Cheng
a6b4f43eaa If-convert early exit blocks (returns, etc.); bug fixes, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37270 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 22:22:58 +00:00
Dale Johannesen
86d4069666 Add some patterns for PIC PC-relative loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37269 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 22:14:33 +00:00
Evan Cheng
5a18ebc70c BlockHasNoFallThrough() now returns true if block ends with a return instruction; AnalyzeBranch() should ignore predicated instructionsd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37268 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 18:56:31 +00:00
Duncan Sands
7bf7a446a5 Only emit one entry in the exception action table for each action, even if 
it occurs for multiple landing pads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37267 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 18:50:28 +00:00
Evan Cheng
126f17a176 BlockHasNoFallThrough() now returns true if block ends with a return instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37266 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-21 18:44:17 +00:00
Reid Spencer
a24f6dfc90 Get the order of the hext digits right! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37261 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 14:44:42 +00:00
Reid Spencer
922d0bcf8b Adjust how LLVM names are produced: 
1. Always use % for local and @ for global.
2. Replace NameNeedsQuotes with QuoteNameIfNeeded so that any adjustments
   to the name can be done in one pass.
3. Implement generation of hex escapes so we don't get "wonky" characters
   in the output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37260 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 07:25:21 +00:00