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Author SHA1 Message Date
Evan Cheng
8258210ed4 Change traversal order to bottom up in preparation for more aggressive if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 19:49:19 +00:00
Chris Lattner
4e7e6cd13a Fix CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll, and PR1473. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 16:30:06 +00:00
Chris Lattner
548484d9a3 new testcase for PR1473 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37361 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 16:29:20 +00:00
Devang Patel
f38ac5dd39 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37360 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 15:29:37 +00:00
Duncan Sands
5ae3ef3ae6 Testcase for 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070528/050047.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 10:16:19 +00:00
Chris Lattner
39a1c04323 Fix Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll and the second 
half of PR1421, by not decimating structs with holes that are the source and
destination of a memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 06:11:23 +00:00
Chris Lattner
661c2ce9c5 Testcase for PR1421 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37357 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 06:10:46 +00:00
Chris Lattner
ad5ace4038 new testcase for PR1421 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 05:37:18 +00:00
Dale Johannesen
44008c5918 Changed per review comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37355 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 00:32:01 +00:00
Dale Johannesen
95ef406e0f Make stable_sort in tail merging actually be stable (it never was, but didn't 
matter until my last change).  Reenable tail merging by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:47:50 +00:00
Evan Cheng
58fbb9f5ba Don't merge in tail block of a diamond if it has more than one predecessors after if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:37:20 +00:00
Owen Anderson
1f476f4d84 Put GVN-PRE in all the right places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:36:32 +00:00
Evan Cheng
c6f2f6fbb9 For VFP2 fldm, fstm instructions, the condition code is printed after the address mode and size specifier. e.g. fstmiaseq, not fstmeqias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:34:19 +00:00
Owen Anderson
2c0c51593d Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:34:14 +00:00
Evan Cheng
fd488edb1d For ldrb, strh, etc., the condition code is before the width specifier. e.g. streqh, not strheq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37349 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:32:06 +00:00
Owen Anderson
e3072b292f Re-fix a bug, where I was now being too aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:26:30 +00:00
Owen Anderson
cdf8efde6a Use proper debugging facilities so other people don't have to look at my commented-out 
debugging lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:15:21 +00:00
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
Chris Lattner
cabc8469f2 more fixes to C code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37339 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 15:43:56 +00:00
Bill Wendling
aac388b363 Fixed some formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 09:42:13 +00:00
Bill Wendling
174d57880f Added "llvmc" to the FAQ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37337 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 09:35:34 +00:00
Bill Wendling
d6a68eb2ca Added "doc_class" div tags to code segments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37336 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 09:24:33 +00:00
Bill Wendling
2f7a8b091a Fix for PR1452. Removed "define" keyword from the C code. Added "<div 
class="doc_code">" to code examples.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 09:04:49 +00:00
Chris Lattner
848377d533 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-27 15:09:34 +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
Devang Patel
a8d5381209 Disable Tail Merging for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37329 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 01:00:24 +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
d1d25174cd remove contradiction owen noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37327 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 19:13:27 +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
Chris Lattner
d20d40299b testcase for PR1446 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37325 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 18:42:47 +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
Evan Cheng
51d2d0780f Add a new test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37317 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 02:31:15 +00:00
Dale Johannesen
4212a2320f tail merging shrinks this code a bit. Could do more in future. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-23 21:09:26 +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