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3603 Commits

Author SHA1 Message Date
Owen Anderson
cf6abd2486 Fix a subtle use-after-free issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110863 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 22:36:04 +00:00
Dan Gohman
bd4d66d56a Make LoopPass::getContainedPass return a LoopPass* instead of a Pass* 
and remove casts from all its callers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 20:34:43 +00:00
Owen Anderson
2d0f2470ff Improve indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 04:24:25 +00:00
Dan Gohman
4ee87398e8 When analyzing loop exit conditions combined with and and or, don't 
make any assumptions about when the two conditions will agree on when
to permit the loop to exit. This fixes PR7845.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110758 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-11 00:12:36 +00:00
Dan Gohman
af08a36bd6 Rename and reorder the arguments to isImpliedCond, for consistency and clarity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 23:46:30 +00:00
Owen Anderson
625051be7e Now that we're using ConstantRange to represent potential values, make use of that represenation to 
create constraints from comparisons other than eq/neq.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 23:20:01 +00:00
Devang Patel
6bf058c9aa Add missing argument. CreateCompositeTypeEx() users, please verify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:22:49 +00:00
Owen Anderson
9f01406179 Switch over to using ConstantRange to track integral values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:03:09 +00:00
Devang Patel
e7e5a0f6fb Do not forget debug info for enums. Use named mdnode to keep track of these types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:01:20 +00:00
Tobias Grosser
73362c820b RegionInfo: Do not assert if a BB is not part of the dominance tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 09:54:35 +00:00
Devang Patel
2936807564 Handle TAG_constant for integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 07:11:13 +00:00
Devang Patel
2739896cdd Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110607 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 21:39:24 +00:00
Owen Anderson
2f3ffb80fa Add ConstantRange information to the debugging output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-09 20:50:46 +00:00
Owen Anderson
90c579de5a Reapply r110396, with fixes to appease the Linux buildbot gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:33:48 +00:00
Dan Gohman
e26a7b5e21 Implement a proper getModRefInfo for va_arg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:24:38 +00:00
Dan Gohman
b9db52dcbc Be more conservative in the face of volatile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110456 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:11:28 +00:00
Dan Gohman
9b8639c9bd Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 18:10:45 +00:00
Dan Gohman
6ce9d8b0ed Move all the logic for function attributes and call attributes out of the 
AliasAnalysis base class and into BasicAliasAnalyais. This avoids confusion
about where such logic is happening when there are other AliasAnalysis
implementations present.

Move the logic for translating two-callsite getModRefInfo queries into
other AliasAnalysis queries out of BasicAliasAnalysis and into the
AliasAnalysis base class, as it is useful for other AliasAnalysis
implementations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 01:25:49 +00:00
Owen Anderson
e6a4a36096 Fix botched revert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 00:36:20 +00:00
Owen Anderson
1f74590e9d Revert r110396 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-06 00:23:35 +00:00
Dan Gohman
5eeb19d189 Fix 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:48:14 +00:00
Owen Anderson
9ccaf53ada Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static 
ID member as the sole unique type identifier.  Clean up APIs related to this change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:42:04 +00:00
Dan Gohman
130073904f Implement AccessesArguments checking in the two-callsite form 
of BasicAA::getModRefInfo. This allows BasicAA to say that two
memset calls to non-aliasing memory locations don't interfere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:34:50 +00:00
Dan Gohman
0c3f3358df Yes, we can do better, but this is not the place for it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:23:32 +00:00
Owen Anderson
5be2e78fa1 Add the beginnings of infrastructure for range tracking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 22:59:19 +00:00
Owen Anderson
db78d73d96 Split the tag and value members of LVILatticeVal in preparation for expanding the lattice to something that won't fit in two bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 22:10:46 +00:00
Dan Gohman
5fa417c790 Fix memdep's code for reasoning about dependences between two calls. A Ref 
response from getModRefInfo is not useful here. Instead, check for identical
calls only in the NoModRef case.

Reapply r110270, and strengthen it to compensate for the memdep changes.
When both calls are readonly, there is no dependence between them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 22:09:15 +00:00
Dan Gohman
34fa82f7e8 Revert r110270 for now. It appears to uncover a memdep bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 00:43:10 +00:00
Dan Gohman
907857d746 The trouble with testing for "ModRef" and "NoModRef" is that 
one is a suffix of the other, and FileCheck accepts superstrings.
Adjust the output to avoid this problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 23:37:55 +00:00
Dan Gohman
3dcc91ee8c The two-callsite form of AliasAnalysis::getModRefInfo is documented 
to return Ref if the left callsite only reads memory read or written
by the right callsite; fix BasicAliasAnalysis to implement this.

Add AliasAnalysisEvaluator support for testing the two-callsite
form of getModRefInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110270 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 22:56:29 +00:00
Dan Gohman
ddd3a8899a Fix a minor bug which resulted in intermediate calculations 
using wider types than are necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110241 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 19:52:50 +00:00
Torok Edwin
e89652ccad Add a missing function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-04 11:42:45 +00:00
Dan Gohman
a41af344c2 Remove PointerAccessInfo, which nothing was using. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 23:08:10 +00:00
Dan Gohman
79fca6fea8 Thread const correctness through a bunch of AliasAnalysis interfaces and 
eliminate several const_casts.

Make CallSite implicitly convertible to ImmutableCallSite.

Rename the getModRefBehavior for intrinsic IDs to
getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite,
which happens to be implicitly convertible to bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 21:48:53 +00:00
Dan Gohman
6fc24467e9 The singular of "indices" is "index". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 20:23:52 +00:00
Dan Gohman
17f647d332 Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 20:20:56 +00:00
Dan Gohman
14a498a486 Make AliasAnalysis::getModRefInfo conservative in the face of volatility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 17:27:43 +00:00
Dan Gohman
84b8ad321b Fix a typo Devang noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 16:48:31 +00:00
Michael J. Spencer
4473b37018 Fix CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 02:38:20 +00:00
Dan Gohman
ef1cfac9e5 Introduce a symbolic constant for ~0u for use with AliasAnalysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 01:03:11 +00:00
Dan Gohman
847a84efd2 Add a convenient form of AliasAnalysis::alias for the case where the sizes 
are unknown.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-03 00:56:30 +00:00
Dan Gohman
ab37f50838 Make SCEVUnknown a CallbackVH, so that it can be notified directly 
of Value deletions and RAUWs, instead of relying on ScalarEvolution's
Scalars map being notified, as that's complicated at best, and
insufficient in general.

This means SCEVUnknown needs a non-trivial destructor, so introduce
a mechanism to allow ScalarEvolution to locate all the SCEVUnknowns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 23:49:30 +00:00
Dan Gohman
c182cb5784 Sketch up a preliminary Type-Based Alias Analysis implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 23:11:01 +00:00
Dan Gohman
a8afb2a623 Add a lint check for indirectbr with no successors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110074 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 23:06:43 +00:00
Devang Patel
5b164b5a5c Add explicit constructors. Patch by Renato Golin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 22:51:46 +00:00
Dan Gohman
811edc1f1a Fix namespace polution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 18:50:06 +00:00
Oscar Fuentes
ee56c42168 Prefix next' iterator operation with llvm::'. 
Fixes potential ambiguity problems on VS 2010.

Patch by nobled!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 06:00:15 +00:00
Owen Anderson
7f9cb744f2 Add an initial implementation of PHI translation for LazyValueInfo. This involves rolling back some 
of my earlier data structure improvements until I can ensure that there are no iterator invalidation problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109935 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-30 23:59:40 +00:00
Owen Anderson
81881bcd35 Revert my last two patches to LVI, which recent changes have exposed a miscompilation in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-30 20:56:07 +00:00
Eric Christopher
e6cbfa6b09 Speculatively revert r109705 since it seems to be causing some build bot 
angst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-29 01:25:38 +00:00