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3130aba687
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199 Commits

Author SHA1 Message Date
Evan Cheng
3130aba687 Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias. 
llvm-svn: 84038
 2009-10-13 22:02:20 +00:00
Chris Lattner
a433d8cb67 don't use dead loads as tests. 
llvm-svn: 83985
 2009-10-13 17:39:29 +00:00
Nick Lewycky
72f185f281 Teach BasicAA a little something about the atomic intrinsics: they can only 
modify through the pointer they're given.

llvm-svn: 83959
 2009-10-13 07:48:38 +00:00
Victor Hernandez
f772c0b8b2 Revert 82694 "Auto-upgrade malloc instructions to malloc calls." because it causes regressions in the nightly tests. 
llvm-svn: 82784
 2009-09-25 18:11:52 +00:00
Victor Hernandez
ff8027ced6 Auto-upgrade malloc instructions to malloc calls. 
Reviewed by Devang Patel.

llvm-svn: 82694
 2009-09-24 17:47:49 +00:00
Dan Gohman
723717853b Teach ScalarEvolution how to reason about no-wrap flags on loops 
where the induction variable has a non-unit stride, such as {0,+,2}, and
there are expressions such as {1,+,2} inside the loop formed with
or or add nsw operators.

llvm-svn: 82151
 2009-09-17 18:05:20 +00:00
Dan Gohman
c9307490ce Eliminate more redundant llvm-as calls. 
llvm-svn: 81540
 2009-09-11 18:17:12 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
 2009-09-11 18:01:28 +00:00
Dan Gohman
142428ce64 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Dan Gohman
a3ab9b3b9e Convert a few more opt | llvm-dis to opt -S. 
llvm-svn: 81261
 2009-09-08 22:41:33 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Andreas Neustifter
d842a676d6 Updated tests to use ProfileVerifer to test ProfileLoader and ProfileEstimator. 
(Keep disabled test disabled until selfhosted build issue is resolved.)

llvm-svn: 81008
 2009-09-04 17:21:59 +00:00
Daniel Dunbar
e1e99bbb67 Revert "--- Reverse-merging r80908 into '.':", I already "fixed" this. 
llvm-svn: 80970
 2009-09-03 23:40:10 +00:00
Bill Wendling
faf3fd8b85 --- Reverse-merging r80908 into '.': 
D    test/Analysis/Profiling

--- Reverse-merging r80907 into '.':
U    lib/Analysis/ProfileInfoLoaderPass.cpp

Attempt to remove failure in the self-hosting build bot.

llvm-svn: 80966
 2009-09-03 23:13:46 +00:00
Daniel Dunbar
23700a97d2 Disable some parts of the profiling-tool-chain test, which is currently failing 
on a self-hosted build (although it seems to work on non-self hosted). I'll work
with Andreas to figure this out.

llvm-svn: 80947
 2009-09-03 21:09:53 +00:00
Daniel Dunbar
eed0ecc21a Reapply profiling tests. 
llvm-svn: 80908
 2009-09-03 07:38:00 +00:00
Andreas Neustifter
3418f26ee5 Removed temporarily because of breaking Darwin builds. 
(See http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090831/086214.html)

llvm-svn: 80799
 2009-09-02 16:47:24 +00:00
Andreas Neustifter
3b25ffcef0 Changed profiling-tool-chain.ll test to use optimal-edge-profiling instead of 
edge-profiling, this is more useful since the loading of the
optimal-edge-profiling is more complicated.
The edge-profiling is tested in edge-profiling.ll where only the
instrumentation is tested.

llvm-svn: 80791
 2009-09-02 14:24:08 +00:00
Daniel Dunbar
3b7954c9bf Don't force the triple or data layout in this test. We just have to get them 
from the host and hope that works.

llvm-svn: 80751
 2009-09-02 02:43:11 +00:00
Chris Lattner
4c06cf3a4f rename test so that name reflects what it is testing for. 
llvm-svn: 80519
 2009-08-30 21:36:39 +00:00
Chris Lattner
0ad4b1ca5e convert to filecheck format. 
llvm-svn: 80518
 2009-08-30 21:36:06 +00:00
Torok Edwin
f1fbd8af64 rm needs -f 
llvm-svn: 80363
 2009-08-28 14:05:07 +00:00
Torok Edwin
b9c2b743ea Remove the llvmprof.out from the test output, otherwise running 
make check in a non-clean directory causes it to fail (for example when running
make check twice), since execution counts will differ.

llvm-svn: 80362
 2009-08-28 13:35:44 +00:00
Andreas Neustifter
c2d92270a2 Remove profiling output file because two consecutive runs of make check give 
error.

llvm-svn: 80357
 2009-08-28 10:38:26 +00:00
Andreas Neustifter
e4c8ff4447 Removed unnecessary file creation during test. 
llvm-svn: 80356
 2009-08-28 10:07:41 +00:00
Andreas Neustifter
da88343196 Pulled all tests into one test. Removed some redundant tests. Rename. 
llvm-svn: 80355
 2009-08-28 10:00:28 +00:00
Andreas Neustifter
233f8ec4db Readded test from r79615, this tests the complete profiling tool chain. Furhter 
tests can test only parts of this system.

llvm-svn: 80348
 2009-08-28 06:41:00 +00:00
Dan Gohman
cfb6234d13 Create a ScalarEvolution-based AliasAnalysis implementation. 
This is a simple AliasAnalysis implementation which works by making
ScalarEvolution queries. ScalarEvolution has a more complete understanding
of arithmetic than BasicAA's collection of ad-hoc checks, so it handles
some cases that BasicAA misses, for example p[i] and p[i+1] within the
same iteration of a loop.

This is currently experimental. It may be that the main use for this pass
will be to help find cases where BasicAA can be profitably extended, or
to help in the development of the overall AliasAnalysis infrastructure,
however it's also possible that it could grow up to become a directly
useful pass.

llvm-svn: 80098
 2009-08-26 14:53:06 +00:00
Andreas Neustifter
fb55ceecf3 Removed profiling test, lli not available on all platforms. 
llvm-svn: 79633
 2009-08-21 15:27:35 +00:00
Andreas Neustifter
b11ab6b931 Added tests for Profiling Infrastructure. 
llvm-svn: 79615
 2009-08-21 09:36:28 +00:00
Dan Gohman
7965c57a0f Loosen up the regex for this test so that it doesn't implicitly 
depend on TargetData information.

llvm-svn: 79491
 2009-08-19 23:19:36 +00:00
Dan Gohman
9f80d2be6b Make LLVM Assembly dramatically easier to read by aligning the comments, 
using formatted_raw_ostream's PadToColumn.

Before:

bb1:            ; preds = %bb
  %2 = sext i32 %i.01 to i64            ; <i64> [#uses=1]
  %3 = getelementptr double* %p, i64 %2         ; <double*> [#uses=1]
  %4 = load double* %3, align 8         ; <double> [#uses=1]
  %5 = fmul double %4, 1.100000e+00             ; <double> [#uses=1]
  %6 = sext i32 %i.01 to i64            ; <i64> [#uses=1]
  %7 = getelementptr double* %p, i64 %6         ; <double*> [#uses=1]

After:

bb1:                                        ; preds = %bb
  %2 = sext i32 %i.01 to i64                ; <i64> [#uses=1]
  %3 = getelementptr double* %p, i64 %2     ; <double*> [#uses=1]
  %4 = load double* %3, align 8             ; <double> [#uses=1]
  %5 = fmul double %4, 1.100000e+00         ; <double> [#uses=1]
  %6 = sext i32 %i.01 to i64                ; <i64> [#uses=1]
  %7 = getelementptr double* %p, i64 %6     ; <double*> [#uses=1]

Several tests required whitespace adjustments.

llvm-svn: 78816
 2009-08-12 17:23:50 +00:00
Andreas Bolka
facd1be2d6 Add another Strong-SIV testcase. 
llvm-svn: 78446
 2009-08-08 00:21:49 +00:00
Andreas Bolka
8c032970b9 Fix Strong-SIV testcase. 
llvm-svn: 78384
 2009-08-07 15:42:32 +00:00
Andreas Bolka
4d59f26912 ZIV tester for LDA. 
llvm-svn: 78157
 2009-08-05 04:26:05 +00:00
Andreas Bolka
1532dc3110 Fix LDA testcases. 
llvm-svn: 78153
 2009-08-05 04:03:29 +00:00
Andreas Bolka
d713824363 Expand LDA testcases. 
llvm-svn: 77926
 2009-08-02 23:28:14 +00:00
Andreas Bolka
7d6b4c24e6 Slightly reformat LDA tests to ease grepping. 
llvm-svn: 77398
 2009-07-28 23:40:40 +00:00
Dan Gohman
39c0d3b10a Change the assembly syntax for nsw, nuw, and exact, putting them 
after their associated opcodes rather than before. This makes them
a little easier to read.

llvm-svn: 77194
 2009-07-27 16:11:46 +00:00
Dan Gohman
c126330ef1 When attempting to sign-extend an addrec by interpreting 
the step value as unsigned, the start value and the addrec
itself still need to be treated as signed.

llvm-svn: 77078
 2009-07-25 16:03:30 +00:00
Dan Gohman
13aabe2ba4 Teach ScalarEvolution to make use of no-overflow flags when 
analyzing add recurrences.

llvm-svn: 77034
 2009-07-25 01:22:26 +00:00
Andreas Bolka
fa70ad653b FileCheck'ize and expand LDA testcases. 
llvm-svn: 76880
 2009-07-23 15:56:53 +00:00
Dan Gohman
190d29cb5c Replace the original ad-hoc code for determining whether (v pred w) implies 
(x pred y) with more thorough code that does more complete canonicalization
before resorting to range checks. This helps it find more cases where
the canonicalized expressions match.

llvm-svn: 76671
 2009-07-21 23:03:19 +00:00
Dan Gohman
7a836d6400 Add a testcase for PR4569, which is now fixed. 
llvm-svn: 76526
 2009-07-21 00:50:52 +00:00
Torok Edwin
bbccd95874 Introduce a pointertracking pass. 
For now this only computes the allocated size of the memory pointed to by a
pointer, and offset a pointer from allocated pointer.
The actual checkLimits part will come later, after another round of review.

llvm-svn: 75657
 2009-07-14 18:44:28 +00:00
Dan Gohman
5d53d0b73b Add testcases for PR4538, PR4537, and PR4534. 
llvm-svn: 75533
 2009-07-13 22:30:31 +00:00
Nick Lewycky
d9573d899d When comparing constants, consider a less wide constant to be "less complex" 
than a wider one, before trying to compare their contents which will crash
if their sizes are different.

llvm-svn: 74792
 2009-07-04 17:24:52 +00:00
Andreas Bolka
71ef361d1d Array accesses are independent if the underlying arrays differ. 
llvm-svn: 74499
 2009-06-30 02:12:10 +00:00
Andreas Bolka
bed5622fb7 Print pairwise dependence results, add testcases. 
llvm-svn: 74402
 2009-06-28 00:35:22 +00:00