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Author SHA1 Message Date
Chris Lattner
b0e07dd19a new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 01:21:39 +00:00
Chris Lattner
7667c0bac3 same patch as the previous one, but the symmetric case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:46:51 +00:00
Chris Lattner
2ad913b342 Disable the (A == (B-A)) -> 2*A == B xform when the sub has multiple uses (in 
this case, the xform introduces an extra operation).  This compiles
PowerPC/compare-duplicate.ll into:

_test:
        subf r2, r3, r4
        cmplw cr0, r2, r3
        bne cr0, LBB1_2 ;F

instead of:

_test:
        slwi r2, r3, 1
        subf r3, r3, r4
        cmplw cr0, r4, r2
        bne cr0, LBB1_2 ;F

This is target independent of course.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:43:44 +00:00
Chris Lattner
35fbae2b6d new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:41:40 +00:00
Reid Spencer
20a4c23bcc Fix an assertion introduced by my last change to the toString method. We 
can't use getZExtValue() to extract the low order bits for each digit.
Instead, we need to access the low order word directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37242 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-19 00:29:55 +00:00
Dan Gohman
f5135be3fc Apply this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070514/049845.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37240 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 23:21:46 +00:00
Chris Lattner
60c7a136f3 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 20:18:14 +00:00
Dan Gohman
2fa7ce2b87 Add a testcase for unrolling loops with unknown tripcounts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37238 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 19:59:23 +00:00
Evan Cheng
7f8ff8af1a Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37237 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 19:32:08 +00:00
Evan Cheng
36489bbbac Change to depth-first traversal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37236 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 19:26:33 +00:00
Dale Johannesen
a469b69dda Document an inefficiency in tail merging. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37235 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:46:40 +00:00
Dan Gohman
fa0f77d9b7 Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:44:07 +00:00
Dan Gohman
fcc4dd91e5 Qualify calls to getTypeForValueType with MVT:: too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37233 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:41:29 +00:00
Evan Cheng
cf6cc112d5 Some restructuring in preparation for most aggressive if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37231 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:14:37 +00:00
Dan Gohman
b55757ec5f Qualify several calls to functions in the MVT namespace, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37230 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 17:52:13 +00:00
Evan Cheng
6092ca1556 Watch out for blocks that end with a return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37227 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 17:06:53 +00:00
Duncan Sands
7d841a4914 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37224 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 12:13:34 +00:00
Duncan Sands
32a8344cfa Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37223 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 09:04:20 +00:00
Chris Lattner
ef547ddcdd better portability for intptr_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37221 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 07:07:05 +00:00
Chris Lattner
46ccdbf93d finished the first draft 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37219 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 06:38:51 +00:00
Chris Lattner
60893e5fe9 crank out notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37218 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 06:33:02 +00:00
Reid Spencer
7eea8ff06d Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37207 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 05:48:07 +00:00
Chris Lattner
550211711a validation fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37206 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 05:38:44 +00:00
Chris Lattner
b5c87f6056 validation fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37205 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 05:36:14 +00:00
Chris Lattner
b348bb8125 Fix PR1434 and test/Linker/link-archive.ll, this is a regression from 1.9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37204 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 04:02:46 +00:00
Reid Spencer
e829e92edc Add a test case for PR1434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37203 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 03:46:50 +00:00
Reid Spencer
e01236a9bb Avoid an infinite loop when TestRunner.sh is run outside of the test dir. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37201 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 02:06:03 +00:00
Evan Cheng
47d2502072 If true / false blocks fallthrough before ifcvt, add unconditional branches to ifcvt'd block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37200 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 01:55:58 +00:00
Evan Cheng
dcc50a4aee Mark calls non-predicable for now. Need to ensure it's the last instruction in the if-converted block or make sure it preserve condition code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37199 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 01:53:54 +00:00
Dale Johannesen
1cf08c1d6d Remove some unneeded branches. (spotted by Evan, thanks) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37198 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 01:28:58 +00:00
Evan Cheng
e5e7ce458a Silence some compilation warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37197 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 01:19:57 +00:00
Chris Lattner
b4b0ce7c29 tweak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37196 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:44:29 +00:00
Evan Cheng
86cbfea33b Make use of target specific block size limits; bug fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37195 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:20:58 +00:00
Evan Cheng
9f8cbd147c Set ARM if-conversion block size threshold to 10 instructions for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37194 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:19:34 +00:00
Evan Cheng
6ae3626a4f RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37193 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:18:17 +00:00
Evan Cheng
b5cdaa257e RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37192 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:05:48 +00:00
Evan Cheng
f48ae4630b Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37191 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 00:00:30 +00:00
Evan Cheng
4f098788d3 Move isSuccessor() offline, change it to use std::find. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37190 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 23:58:53 +00:00
Reid Spencer
413f2f961a Fix a problem with building .y files when BISON is not present. 
Merged from the release_20 branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37188 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 22:51:35 +00:00
Devang Patel
9f26f73179 Fix PR1431 
Test case at Transformations/SCCP/2007-05-16-InvokeCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37185 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 22:10:15 +00:00
Devang Patel
d5005ccac4 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37184 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 22:05:20 +00:00
Chris Lattner
bcd10f162d validation fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37183 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 22:03:43 +00:00
Chris Lattner
d09c4ecb89 llvm-gcc now supports almost all gcc extensions. The key missing one is 
builtin_apply.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37182 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 22:02:24 +00:00
Chris Lattner
bfb17ab6b2 add a section about API changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37181 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 21:41:31 +00:00
Dale Johannesen
8dd86c14d4 More effective breakdown of memcpy into repeated load/store. These are now 
in the order lod;lod;lod;sto;sto;sto which means the load-store optimizer
has a better chance of producing ldm/stm.  Ideally you would get cooperation
from the RA as well but this is not there yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37179 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 21:31:21 +00:00
Dan Gohman
e99d492a15 Correct a name in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37178 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 21:30:39 +00:00
Chris Lattner
26b146ccf1 silence some "comparison between signed and unsigned integer expressions" 
warnings


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37177 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 20:01:40 +00:00
Chris Lattner
bf8abe376c minor tweak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37176 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 19:58:57 +00:00
Reid Spencer
fb0709a180 Get rid of leading zeros in the output of toString. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37175 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 19:23:02 +00:00
Evan Cheng
fd30eee2f0 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37174 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 18:49:50 +00:00