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3440 Commits

Author SHA1 Message Date
Owen Anderson
6bcd3a0265 Clean up some of the PassRegistry implementation, and pImpl-ize it to reduce #include clutter 
and exposing internal details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 19:16:25 +00:00
Nick Lewycky
198381e542 Add completely hokey binary-and and binary-or operations to ConstantRange and 
teach LazyValueInfo to use them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-07 05:39:02 +00:00
Chris Lattner
09981982f1 cleanup some of the lifetime/invariant marker stuff, add a big fixme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 03:58:04 +00:00
Chris Lattner
c5a5cf26fd speed up -gvn 3.4% on the testcase in PR7023 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 01:26:29 +00:00
Chris Lattner
adc799112d pull a simple method out of LICM into a new 
Loop::hasLoopInvariantOperands method. Remove
a useless and confusing Loop::isLoopInvariant(Instruction)
method, which didn't do what you thought it did.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-06 01:05:37 +00:00
Chris Lattner
e971131695 fix PR8063, a crash in globalopt in the malloc analysis code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-05 17:20:46 +00:00
Chris Lattner
ab2cee6d51 dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113077 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:19:16 +00:00
Chris Lattner
17aa68055b zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 18:12:00 +00:00
Dan Gohman
46ffb231c6 Disable the asserts that check that normalization is perfectly 
invertible. ScalarEvolution's folding routines don't always succeed
in canonicalizing equal expressions to a single canonical form, and
this can cause these asserts to fail, even though there's no actual
correctness problem. This fixes PR8066.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:12:56 +00:00
Owen Anderson
1593dd6779 Add support for simplifying a load from a computed value to a load from a global when it 
is provable that they're equivalent.  This fixes PR4855.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:08:37 +00:00
Chris Lattner
831c8ec016 stop forcing a noop AssemblyAnnotationWriter to silence #uses 
comments, these don't happen anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112901 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 23:03:10 +00:00
Owen Anderson
4caef6001d Remove incorrect and poorly tested code for trying to reason about values on default edges of 
switches.  Just return the conservatively correct answer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 22:16:52 +00:00
Owen Anderson
66048c2169 Fix a bug in LazyValueInfo that CorrelatedValuePropagation exposed: In the LVI lattice, undef and the full set ConstantRange should not 
be treated as equivalent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:23:58 +00:00
Dan Gohman
191bd64a39 Revert 112442 and 112440 until the compile time problems introduced 
by 112440 are resolved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 01:45:53 +00:00
Dan Gohman
3f19c091bf Reapply r112432, now that the real problem is addressed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:53:17 +00:00
Dan Gohman
6a0c125ed5 Reapply r112433, now that the real problem is addressed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:52:12 +00:00
Dan Gohman
90b5f25e8d Revert r110916. This patch is buggy because the code inside the 
inner loop doesn't update all the variables in the outer loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:50:31 +00:00
Dan Gohman
26125c65b9 Revert r112432. It appears to be exposing a problem in the emacs build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 20:58:44 +00:00
Dan Gohman
f3bba4c1ae Speculatively revert r112433. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 17:56:47 +00:00
Owen Anderson
392953262e It is possible to try to merge a not-constant with a constantrage, when dealing with ptrtoint ConstantExpr's. 
Unfortunately, the only testcase I have for this is huge and doesn't reduce well because the error is
sensitive to iteration-order issues, since the problem only occurs when merging values in a particular order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 17:03:45 +00:00
Benjamin Kramer
033927408e Don't print two "0x" prefixes. Use a raw_ostream overload instead of llvm::format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112479 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-30 14:46:53 +00:00
Chris Lattner
cb7f653422 two changes: 1) make AliasSet hold the list of call sites with an 
assertingvh so we get a violent explosion if the pointer dangles.

2) Fix AliasSetTracker::deleteValue to remove call sites with
   by-pointer comparisons instead of by-alias queries.  Using
   findAliasSetForCallSite can cause alias sets to get merged
   when they shouldn't, and can also miss alias sets when the
   call is readonly.

#2 fixes PR6889, which only repros with a .c file :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 18:42:23 +00:00
Dan Gohman
eaa40ff74e Make IVUsers iterative instead of recursive. 
This has the side effect of reversing the order of most of
IVUser's results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 16:40:03 +00:00
Dan Gohman
d578a40853 Restructure the {A,+,B}<L> * {C,+,D}<L> folding so that it folds 
all applicable addrecs before recursing on getMulExpr, instead of
recursing on getMulExpr for each one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 15:16:58 +00:00
Dan Gohman
b8fc62bc58 Batch up subtracts along with adds, when analyzing long chains of 
operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 15:10:06 +00:00
Dan Gohman
c6a8e99fb3 Micro-optimize GroupByComplexity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 15:07:13 +00:00
Dan Gohman
0f32ae3aa7 Hold AddRec->getLoop() in a variable, to make the Mul code more consistent 
with the Add code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 14:55:19 +00:00
Dan Gohman
30cbc860f8 Rename a variable, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 14:53:34 +00:00
Dan Gohman
7e1fee7ece Use iterators instead of indices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112428 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 14:52:02 +00:00
Chris Lattner
fedac7d9b0 when merging two alias sets, the result set is volatile if either 
of the sets is volatile.  We were dropping the volatile bit of the
merged in set, leading (luckily) to assertions in cases like 
PR7535.  I cannot produce a testcase that repros with opt, but this
is obviously correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 04:14:47 +00:00
Chris Lattner
9476d746d6 more cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 04:13:43 +00:00
Chris Lattner
6e1f51099d clean this up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-29 04:06:55 +00:00
Dan Gohman
5bb307d5c8 Fix an index calculation thinko. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 00:39:27 +00:00
Owen Anderson
ee61fcf98b Improve the precision of getConstant(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 23:29:38 +00:00
Dan Gohman
68ff776661 When merging adjacent operands, scan ahead and merge all equal 
adjacent operands at once, instead of just two at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 21:39:59 +00:00
Dan Gohman
32527156b3 Make the {A,+,B}<L> + {C,+,D}<L> --> Other + {A+C,+,B+D}<L> 
transformation collect all the addrecs with the same loop
add combine them at once rather than starting everything over
at the first chance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112290 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 20:45:56 +00:00
Dan Gohman
e8ac3f3be4 Switch ScalarEvolution's main Value*->SCEV* map from std::map 
to DenseMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112281 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 18:55:03 +00:00
Owen Anderson
660cab32fe Use LVI to eliminate conditional branches where we've tested a related condition previously. Update tests for this change. 
This fixes PR5652.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112270 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 17:12:29 +00:00
Dan Gohman
67ef74e0e5 Optimize SCEVComplexityCompare. Use a 3-way return instead of a 2-way 
return to avoid needing two calls to test for equivalence, and sort
addrecs by their degree before examining their operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112267 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 15:26:01 +00:00
Owen Anderson
6cd2075549 In the default address space, any GEP off of null results in a trap value if you try to load it. Thus, 
any load in the default address space that completes implies that the base value that it GEP'd from
was not null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 01:16:47 +00:00
Owen Anderson
7bef92ac7a NULL loads are only invalid in the default address space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111972 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:00:55 +00:00
Owen Anderson
dae90c6afb Add support for inferring values for the default cases of switches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:59:42 +00:00
Owen Anderson
c8ef750605 Add support for inferring that a load from a pointer implies that it is not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:47:29 +00:00
Owen Anderson
59b06dc775 Don't assume that all constants with integer types are ConstantInts. 
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. 
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. 
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. 
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. 
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 
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(). 
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