Owen Anderson
59b06dc775
Don't assume that all constants with integer types are ConstantInts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111906 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24 07:55:44 +00:00
Devang Patel
49d9638075
Let FE use derived types for DW_TAG_friend.
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Patch by Alexander Herz!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111861 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23 23:16:25 +00:00
Devang Patel
0c4720c6bd
Handle qualified constants that are directly folded by FE.
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PR 7920.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23 18:25:56 +00:00
Owen Anderson
02dd53e1c5
Now that PassInfo and Pass::ID have been separated, move the rest of the passes over to the new registration API.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-23 17:52:01 +00:00
Dan Gohman
a3833f18bf
CreateTemporaryType doesn't needs its Context argument.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20 22:39:47 +00:00
Dan Gohman
489b29b0a4
Introduce a new temporary MDNode concept. Temporary MDNodes are
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not part of the IR, are not uniqued, and may be safely RAUW'd.
This replaces a variety of alternate mechanisms for achieving
the same effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111681 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20 22:02:26 +00:00
Dan Gohman
7316638bc7
Convert DbgInfoPrinter to use errs() instead of outs().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111659 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20 18:03:05 +00:00
Dan Gohman
8a757aeac4
Revert r111199; it breaks -debug-pass=Structure output.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111500 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19 01:29:07 +00:00
Chris Lattner
2215c607c3
refix PR1143 by making basicaa analyze zexts of indices aggresively,
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which I broke with a recent patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111452 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 23:09:49 +00:00
Chris Lattner
ff2efb9f9c
GetLinearExpression is only called when TD is non-null, pass as
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a reference instead of pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111445 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 22:52:09 +00:00
Chris Lattner
8807e9fbdf
rework GEP decomposition to make a new VariableGEPIndex struct instead of
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using a pair. This tidies up the code a bit. While setting things up, add
a (currently unused) field to keep track of how the value is extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111444 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 22:47:56 +00:00
Chris Lattner
30963fbe8f
move gep decomposition out of ValueTracking into BasicAA. The form of
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decomposition that it is doing is very basicaa specific and is only used
by basicaa.
Now with less tree breakingness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 22:07:29 +00:00
Owen Anderson
b81fd62a66
Use ConstantRange to propagate information through value definitions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111425 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 21:11:37 +00:00
Daniel Dunbar
4ae56d725d
Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. The
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form of", it doesn't pass tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111385 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 18:43:08 +00:00
Owen Anderson
00ac77ef88
Inform LazyValueInfo whenever a block is deleted, to avoid dangling pointer issues.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 18:39:01 +00:00
Chris Lattner
6b63037306
move gep decomposition out of ValueTracking into BasicAA. The form of
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decomposition that it is doing is very basicaa specific and is only used
by basicaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 18:22:17 +00:00
Chris Lattner
91b2307a89
fix PR7589: In brief:
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gep P, (zext x) != gep P, (sext x)
DecomposeGEPExpression was getting this wrong, confusing
basicaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18 04:28:19 +00:00
Dan Gohman
bbc1da8ded
Tweak IVUsers' concept of "interesting" to exclude add recurrences
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where the step value is an induction variable from an outer loop, to
avoid trouble trying to re-expand such expressions. This effectively
hides such expressions from indvars and lsr, which prevents them
from getting into trouble.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111317 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17 22:50:37 +00:00
Owen Anderson
4bb3eafab5
Fix another iterator invalidation that caused a *really* nasty miscompilation in 403.gcc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111210 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 23:42:33 +00:00
Dan Gohman
65bffec2c2
Make dumpPassStructure be a PMDataManager abstraction, rather than
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a Pass abstraction, since that's the level it's actually used at.
Rename Pass' dumpPassStructure to dumpPass.
This eliminates an awkward use of getAsPass() to convert a PMDataManager*
into a Pass* just to permit a dumpPassStructure call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111199 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 22:45:12 +00:00
Dan Gohman
1895991a08
To create a copy of a SmallVector with an element removed from the
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middle, copy the elements in two groups, rather than copying all the
elements and then doing an erase on the middle of the result. These
are SmallVectors, so we shouldn't expect to hit dynamic allocation
in the common case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111151 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:57:24 +00:00
Dan Gohman
0c5e95df57
Tidy whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:34:09 +00:00
Dan Gohman
619d3324bd
Add a comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:31:39 +00:00
Dan Gohman
8d9c7a6701
Use const_iterator in a few places.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111144 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:30:01 +00:00
Dan Gohman
2d16fc5ff0
Use iterators instead of indices in a few more places.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111143 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:27:53 +00:00
Dan Gohman
e28d7922f7
Micro-optimize SCEVConstant comparison.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111142 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:25:35 +00:00
Dan Gohman
2f199f9952
Move SCEVNAryExpr's virtual member functions out of line, and convert
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them to iterators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111140 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:21:27 +00:00
Dan Gohman
bb85409b51
Use iterators instead of indices in simple cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111138 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:16:11 +00:00
Dan Gohman
c4f77983d8
Avoid gratuitous inefficiency in ifndef NDEBUG code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111137 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:13:54 +00:00
Dan Gohman
d3f171d66f
Make one getAddExpr call when analyzing a+b+c+d+e+... instead of one
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for each add instruction. Ditto for Mul.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111136 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 16:03:49 +00:00
Dan Gohman
57560da3f5
Delete an unused function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 15:57:14 +00:00
Dan Gohman
9883b95a2b
Revert r111058, the lint check for indirectbr successors that aren't
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address-taken. This can occur normally, if the code which took the
address got DCEd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-16 14:39:19 +00:00
Argyrios Kyrtzidis
8c8b9ee8c8
Revert r111082. No warnings for this common pattern.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111102 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-15 10:27:23 +00:00
Argyrios Kyrtzidis
7268d97ae6
Add ATTRIBUTE_UNUSED to methods that are not supposed to be used.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-14 21:35:10 +00:00
Dan Gohman
61556e3a94
Add a lint check for an indirectbr destination which has not
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had its address taken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111058 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 23:56:28 +00:00
Dan Gohman
0ad2c7ace8
Various optimizations. Don't compare two loops' depths
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when they are the same loop. Don't compare two instructions'
loop depths when they are in the same block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111045 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 21:24:58 +00:00
Dan Gohman
9cba97886c
When testing whether one loop contains another, test this directly
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rather than testing whether the loop contains the other's header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 20:23:25 +00:00
Dan Gohman
9f1fb42b7e
Add a const.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 20:17:27 +00:00
Dan Gohman
58a85b96b8
When creating a symmetric SCEV with a constant operand, put
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the constant operand on the left, as that's where ScalarEvolution
will end up canonicalizing to.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111037 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 20:17:14 +00:00
Dan Gohman
71c4144076
An add recurrence is loop-invariant in any loop inside of its
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associated loop. This avoids potentially expensive traversals
of the add recurrence's operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13 20:11:39 +00:00
Dan Gohman
727356fc7d
Optimize ScalarEvolution::getAddExpr's operand factoring code by
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having it finish processing all of the muliply operands before
starting the whole getAddExpr process over again, instead of
immediately after the first simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12 15:00:23 +00:00
Dan Gohman
918e76b8b5
Hoist some loop-invariant code out of a hot loop.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110915 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12 14:52:55 +00:00
Dan Gohman
dc7692b1ad
Optimize ScalarEvolution::getAddExpr's duplicate operand detection
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by having it finish processing the whole operand list before
starting the whole getAddExpr process over again, instead of
immediately after the first duplicate is found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12 14:46:54 +00:00
Devang Patel
ebd53742c6
Even if a variable has constant value all the time, it is still a variable in gdb's eyes.
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Tested by scope.exp in gdb testsuite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110876 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11 23:17:54 +00:00
Owen Anderson
cf6abd2486
Fix a subtle use-after-free issue.
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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*
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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.
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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
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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.
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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
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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