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2920 Commits

Author SHA1 Message Date
David Greene
89282915fd Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 22:28:01 +00:00
David Greene
25e0e87f85 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 22:18:14 +00:00
David Greene
3b519f62fc Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92066 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 22:10:20 +00:00
David Greene
b511efa7be Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92063 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:58:29 +00:00
David Greene
8eb96920ca Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92060 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:48:18 +00:00
David Greene
244d7571f7 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:27:29 +00:00
David Greene
df9027b0b8 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:16:54 +00:00
David Greene
2a0f3ccc9c Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 21:06:14 +00:00
David Greene
d387b2b1cf Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:52:41 +00:00
David Greene
5d93a1fb36 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:43:58 +00:00
David Greene
270862dad4 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:34:27 +00:00
David Greene
63c4560526 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:20:46 +00:00
David Greene
c81ce58306 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:10:59 +00:00
David Greene
265c026fee Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92034 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 20:03:58 +00:00
David Greene
e13ed1533b Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 19:51:44 +00:00
David Greene
0eb5b666dd Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 19:45:49 +00:00
David Greene
43c48ac801 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 19:27:59 +00:00
David Greene
44d98a76dc Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 19:21:19 +00:00
David Greene
20638dc948 Convert debug messages to use dbgs(). Generally this means 
s/errs/dbgs/g except for certain special cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 19:15:13 +00:00
Chris Lattner
0ee443d169 The phi translated pointer can be computed when returning a partially cached result 
instead of stored.  This reduces memdep memory usage, and also eliminates a bunch of
weakvh's.  This speeds up gvn on gcc.c-torture/20001226-1.c from 23.9s to 8.45s (2.8x)
on a different machine than earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91885 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 04:25:02 +00:00
Chris Lattner
9b96ecaffa avoid calling extractMallocCall when it's obvious we don't have 
a call.  This speeds up memdep ~1.5%


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91869 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:00:32 +00:00
Chris Lattner
f648125be9 fix an overly conservative caching issue that caused memdep to 
cache a pointer as being unavailable due to phi trans in the
wrong place.  This would cause later queries to fail even when
they didn't involve phi trans.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91787 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 21:29:22 +00:00
Dan Gohman
355b4f3c19 Fix a spello in a comment that Nick spotted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-19 01:46:34 +00:00
Dan Gohman
43ea505fb0 Eliminate unnecessary LLVMContexts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 23:42:08 +00:00
Dan Gohman
28680d33ee Make this comment more precise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91722 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 23:18:03 +00:00
Dan Gohman
59de33ef39 Revert this use of NUW/NSW also. Overflow-undefined multiplication isn't 
associative either.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91701 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 18:45:31 +00:00
Dan Gohman
3a5d409f3c Revert this use of NSW; this one isn't actually safe. NSW addition 
is not reassociative.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 03:57:04 +00:00
Dan Gohman
2df72c1441 Delete an unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91659 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 02:14:37 +00:00
Dan Gohman
d281ed2d03 Preserve NSW information in more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91656 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 02:09:29 +00:00
Dan Gohman
92329c7fbe Add Loop contains utility methods for testing whether a loop 
contains another loop, or an instruction. The loop form is
substantially more efficient on large loops than the typical
code it replaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91654 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 01:24:09 +00:00
Dan Gohman
5d984917a4 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91651 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 01:14:11 +00:00
Dan Gohman
6bec5bb344 Reapply LoopStrengthReduce and IVUsers cleanups, excluding the part 
of 91296 that caused trouble -- the Processed list needs to be
preserved for the livetime of the pass, as AddUsersIfInteresting
is called from other passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91641 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 00:06:20 +00:00
Evan Cheng
04149f7ffd Revert 91280-91283, 91286-91289, 91291, 91293, 91295-91296. It apparently introduced a non-deterministic behavior in the optimizer somewhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-17 09:39:49 +00:00
Chris Lattner
524528e614 Fix GetConstantStringInfo to not look into MDString (it works on 
real data, not metadata) and fix DbgInfoPrinter to not abuse
GetConstantStringInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 19:34:20 +00:00
Devang Patel
6404e4e795 Add support to emit debug info for C++ namespaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 19:16:48 +00:00
Chris Lattner
4bbf4ee149 Remove isPod() from DenseMapInfo, splitting it out to its own 
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 07:26:43 +00:00
John McCall
bc8858c3b0 You can't use typedefs to declare template member specializations, and 
clang enforces it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91397 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 02:35:24 +00:00
Dan Gohman
e2f65ee4b1 Clear the Processed set when it is no longer used, and clear the 
IVUses list in releaseMemory().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:35:17 +00:00
Dan Gohman
30844c3950 Fix a thinko; isNotAlreadyContainedIn had a built-in negative, so the 
condition was inverted when the code was converted to contains().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91295 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:31:01 +00:00
Dan Gohman
440b40d865 Drop Loop::isNotAlreadyContainedIn in favor of Loop::contains. The 
former was just exposing a LoopInfoBase implementation detail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-14 17:06:50 +00:00
Dan Gohman
050959cd08 Make getUniqueExitBlocks's precondition assert more precise, to 
avoid spurious failures. This fixes PR5758.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91147 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-11 20:05:23 +00:00
Dan Gohman
89452f7386 Reuse the Threshold value to size these containers because it's 
currently somewhat convenient for them to have the same value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 18:48:53 +00:00
Chris Lattner
4d3a16f81b Add a minor optimization: if we haven't changed the operands of an 
add, there is no need to scan the world to find the same add again.
This invalidates the previous testcase, which wasn't wonderful anyway,
because it needed a run of instcombine to permute the use-lists in 
just the right way to before GVN was run (so it was really fragile).
Not a big loss.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 17:27:45 +00:00
Chris Lattner
eddc65aa0d fix PR5733, a case where we'd replace an add with a lexically identical 
binary operator that wasn't an add.  In this case, a xor.  Whoops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90971 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 17:18:49 +00:00
Chris Lattner
dad451cb7c enhance NonLocalDepEntry to keep the per-block phi translated address 
of the query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90958 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:31:04 +00:00
Chris Lattner
e18b97121c change NonLocalDepEntry from being a typedef for an std::pair to be its 
own small class.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90956 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:08:01 +00:00
Chris Lattner
05e15f8897 Switch GVN and memdep to use PHITransAddr, which correctly handles 
phi translation of complex expressions like &A[i+1].  This has the
following benefits:

1. The phi translation logic is all contained in its own class with
   a strong interface and verification that it is self consistent.

2. The logic is more correct than before.  Previously, if intermediate
   expressions got PHI translated, we'd miss the update and scan for
   the wrong pointers in predecessor blocks.  @phi_trans2 is a testcase
   for this.

3. We have a lot less code in memdep.

We can handle phi translation across blocks of things like @phi_trans3,
which is pretty insane :).

This patch should fix the miscompiles of 255.vortex, and I tested it 
with a bootstrap of llvm-gcc, llvm-test and dejagnu of course.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90926 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:59:31 +00:00
Chris Lattner
d632988eea fix a nasty variable that was shadowing the real CurBB but with the wrong value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90920 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:19:16 +00:00
Chris Lattner
6200e53f55 fix many input tracking bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90915 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:56:14 +00:00
Dan Gohman
686abbb1eb Fix a typo in a comment, and adjust SmallSet and SmallVector sizes, 
that Chris noticed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:28:42 +00:00
Chris Lattner
e09e98c2de fix PHI translation to take the PHI out of the instinputs set and add 
the translated value back to it if an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90909 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:18:13 +00:00
Chris Lattner
af50315a29 instructions defined in CurBB may be intermediate nodes of the computation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:10:55 +00:00
Chris Lattner
7dedbf4ce3 add dumping and sanity checking support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90906 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:01:00 +00:00
Dan Gohman
8456d60bec Put a threshold on the number of users PointerMayBeCaptured 
examines; fall back to a conservative answer if there are
more. This works around some several compile time problems
resulting from BasicAliasAnalysis calling PointerMayBeCaptured.

The value has been chosen arbitrarily.

This fixes rdar://7438917 and may partially address PR5708.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90905 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:59:12 +00:00
Chris Lattner
43678f41a3 make sure that PHITransAddr keeps its 'InstInputs' list up to 
date when instsimplify kicks in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:42:51 +00:00
Devang Patel
0000fadb00 Revert 90858 90875 and 90805 for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:21:45 +00:00
Chris Lattner
34f849098b fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not 
side-effect the current object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 06:06:26 +00:00
Victor Hernandez
c59b33562c Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90807 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 21:54:43 +00:00
Devang Patel
4063f6bcc7 Add support to emit debug info for c++ style namespaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 21:41:32 +00:00
Chris Lattner
6045417fcc fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90793 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:52:57 +00:00
Chris Lattner
e05a188cd6 add accessor, improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90792 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:45:30 +00:00
Victor Hernandez
2f9dac721d Introduce the "@llvm.dbg.value" debug intrinsic. 
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90788 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:36:34 +00:00
Chris Lattner
6fcca1cc87 add support for phi translation and incorpation of new expression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90782 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:04:49 +00:00
Chris Lattner
9a8641201b checkpoint of the new PHITransAddr code, still not done and not used by 
anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 18:36:53 +00:00
Nick Lewycky
93d3311d1f Fix indentation in switch statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90650 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-05 06:37:24 +00:00
Chris Lattner
44a7a380aa Fix PR5551 by not ignoring the top level constantexpr when 
folding a load from constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 06:29:29 +00:00
Chris Lattner
bbf9a5845a add to cmake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 04:15:36 +00:00
Chris Lattner
210e45af3a add the start of a class used to handle phi translation in memdep and 
gvn (this is just a skeleton so far).  This will ultimately be used
to fix a nasty miscompilation with GVN.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 02:10:16 +00:00
Bob Wilson
eb35699e64 Fix a comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-04 01:33:04 +00:00
Devang Patel
5d11eb0ed5 Add support to emit debug info for virtual functions and virtual base classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 19:11:07 +00:00
Benjamin Kramer
88a91b579b Fix MSVC build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 13:23:03 +00:00
Andreas Neustifter
8c30abec6d Convert ProfileVerifier to template so it can be used for different types of ProfileInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 12:55:57 +00:00
Andreas Neustifter
1640f7e033 Do not create negative edge weights in ProfileEstimator. 
Use integer values for weights to prevent rounding errors.
Make ProfileEstimator more robust in general CFGs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 12:41:14 +00:00
Andreas Neustifter
44299c9507 Use ProfileInfo-API in ProfileInfo Loader and do more assertions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90446 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 11:00:37 +00:00
Andreas Neustifter
e2baf6b455 Converted ProfileInfo to template, added more API for ProfileInfo-preserving. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 09:30:12 +00:00
Chris Lattner
e568fa2d29 fix PR5673 by being more careful about pointers to functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90369 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 01:05:45 +00:00
Chris Lattner
7896c9f436 improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-03 00:50:42 +00:00
Benjamin Kramer
0fea11a805 Silence compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90319 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-02 15:33:44 +00:00
Owen Anderson
9ff5a23186 Cleanup/remove some parts of the lifetime region handling code in memdep and GVN, 
per Chris' comments.  Adjust testcases to match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90304 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-02 07:35:19 +00:00
Mon P Wang
69a008075b Fixed an assertion failure for tracking sext of a vector of integers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-02 04:59:58 +00:00
Devang Patel
e3a18de4f6 Add utility routine to create subprogram definition entry from subprogram declaration entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 23:09:02 +00:00
Chris Lattner
1e8de49fe7 rename some variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 21:16:01 +00:00
Chris Lattner
1ffb70f21d tidy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 21:15:15 +00:00
Chris Lattner
855d9da596 fix 255.vortex again, third time's the charm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90217 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-01 07:33:32 +00:00
Tobias Grosser
56f4ef3232 Remove ShortNames from getNodeLabel in DOTGraphTraits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 12:38:47 +00:00
Tobias Grosser
a10d598602 Instantiate DefaultDOTGraphTraits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90133 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 12:38:13 +00:00
Tobias Grosser
2833fac273 Small PostDominatorTree improvements 
* Do not SEGFAULT if tree entryNode() is NULL
 * Print function names in dotty printer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90130 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 12:06:37 +00:00
Nick Lewycky
f58e86d762 Revert r90107, fixing test/Transforms/GVN/2009-11-29-ReverseMap.ll and the 
llvm-gcc build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 07:05:51 +00:00
Chris Lattner
366429b400 reapply r90093 with an addition of keeping the forward 
and reverse nonlocal memdep maps in synch, this should
fix 255.vortex.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-30 02:26:29 +00:00
Nick Lewycky
fac554a131 Teach ConstantFolding to do a better job when folding gep(bitcast). 
This permits the devirtualization of llvm.org/PR3100#c9 when compiled by clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-29 21:40:55 +00:00
Chris Lattner
ae3d24880d revert this patch for now, it causes failures of: 
LLVM::Transforms/GVN/2009-02-17-LoadPRECrash.ll
    LLVM::Transforms/GVN/2009-06-17-InvalidPRE.ll



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90096 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-29 21:14:59 +00:00
Chris Lattner
1903d97c2c Fix a really nasty caching bug I introduced in memdep. An entry 
was being added to the Result vector, but not being put in the
cache.  This means that if the cache was reused wholesale for a
later query that it would be missing this entry and we'd do an
incorrect load elimination.

Unfortunately, it's not really possible to write a useful 
testcase for this, but this unbreaks 255.vortex.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90093 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-29 21:09:36 +00:00
Nick Lewycky
2eac9493fc Detabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-29 18:10:39 +00:00
Nick Lewycky
d801c10de6 Teach memdep to look for memory use intrinsics during dependency queries. Fixes 
PR5574.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-28 21:27:49 +00:00
Chris Lattner
dd696052f0 Enhance InsertPHITranslatedPointer to be able to return a list of newly 
inserted instructions.  No functionality change until someone starts using it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-28 15:39:14 +00:00
Chris Lattner
ab9530ee5d implement a FIXME: limit the depth that DecomposeGEPExpression goes the same 
way that getUnderlyingObject does it. 

This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!' 
assertion on sqlite3.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-28 15:12:41 +00:00
Chris Lattner
af7a28939e enable code to handle un-phi-translatable cases more aggressively: 
if we don't have an address expression available in a predecessor,
then model this as the value being clobbered at the end of the pred
block instead of being modeled as a complete phi translation failure.
This is important for PRE of loads because we want to see that the
load is available in all but this predecessor, and complete phi
translation failure results in not getting any information about
predecessors.

This doesn't do anything until I renable code insertion since PRE
now sees that it is available in all but one predecessors, but can't
insert the addressing in the predecessor that is missing it to 
eliminate the redundancy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-28 14:54:10 +00:00
Chris Lattner
6f7b210b25 Rework InsertPHITranslatedPointer to handle the recursive case, this 
fixes PR5630 and sets the stage for the next phase of goodness (testcase
pending).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 22:05:15 +00:00
Chris Lattner
5141421e38 recursively phi translate bitcast operands too, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 20:25:30 +00:00
Chris Lattner
11c6bab704 add support for recursive phi translation and phi 
translation of add with immediate.  This allows us
to optimize this function:

void test(int N, double* G) {
  long j;
  G[1] = 1;
    for (j = 1; j < N - 1; j++)
        G[j+1] = G[j] + G[j+1];
}

to only do one load every iteration of the loop.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-27 19:11:31 +00:00