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52471b102c
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3250 Commits

Author SHA1 Message Date
Owen Anderson
52471b102c Make dependsOnInvoke much more specific in what it tests, which in turn make it much faster to run. This reduces the time to optimize lencondwith a debug build on PPC from ~450s to ~300s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37667 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 23:07:16 +00:00
Tanya Lattner
c91c56cf43 Moved Inliner.h to include/llvm/Transforms/IPO/InlinerPass.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 22:31:52 +00:00
Tanya Lattner
6f7426ec2e Inliner pass header file was moved. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37665 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 22:29:50 +00:00
Dan Gohman
5cec4db6ae Rename ScalarEvolution::deleteInstructionFromRecords to 
deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 14:28:31 +00:00
Owen Anderson
d0954105f0 Handle constants in phi nodes properly. This fixes test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 07:35:36 +00:00
Chris Lattner
2384d7b179 silence a bogus warning Duraid ran into. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37649 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 05:43:49 +00:00
Owen Anderson
20cb51fda4 Be careful to erase values from all of the appropriate sets when they're not needed anymore. This fixes a few more memory-related issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 05:37:32 +00:00
Owen Anderson
6cae7409b1 Remember to clear the maximal sets between functions. 
Thanks to Nicholas for valgrinding this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37646 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 04:32:55 +00:00
Owen Anderson
086f5f350b Refactor GVNPRE to use a much smart method of uniquing value sets, and centralize a lot of the value numbering information. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37645 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 03:31:41 +00:00
Owen Anderson
bbf1197be1 Cache the results of dependsOnInvoke() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37622 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-18 04:42:29 +00:00
Owen Anderson
a8daa7176b Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37621 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-18 04:31:21 +00:00
Owen Anderson
60e174495a Don't perform an expensive check if it's not necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37620 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-18 04:30:44 +00:00
Owen Anderson
32bc789b6c Fix test/Transforms/GVNPRE/2007-06-15-InvokeInst.ll by ignoring all instructions that depend on invokes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37610 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-16 00:26:54 +00:00
Dan Gohman
e19dd87598 Use SCEVConstant::get instead of SCEVUnknown::get to create an 
integer constant SCEV.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37596 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 18:00:55 +00:00
Owen Anderson
383bcb2e78 Fix test/Transforms/GVNPRE/2007-06-15-Looping.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37595 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 17:55:15 +00:00
Dan Gohman
d19534add9 Add a SCEV class and supporting code for sign-extend expressions. 
This created an ambiguity for expandInTy to decide when to use
sign-extension or zero-extension, but it turns out that most of its callers
don't actually need a type conversion, now that LLVM types don't have
explicit signedness. Drop expandInTy in favor of plain expand, and change
the few places that actually need a type conversion to do it themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37591 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 14:38:12 +00:00
Chris Lattner
7cbe2ebb21 Generalize many transforms to work on ~ of vectors in addition to ~ of 
integer ops.  This implements Transforms/InstCombine/and-or-not.ll
test3/test4, and finishes off PR1510


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 06:23:19 +00:00
Chris Lattner
003b6200df Implement two xforms: 
1. ~(~X | Y) === (X & ~Y)
2. (A|B) & ~(A&B) -> A^B

This allows us to transform  ~(~(a|b) | (a&b)) -> a^b.

This implements PR1510 for scalar values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37584 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 05:58:24 +00:00
Chris Lattner
041a6c9048 delete some obviously dead vector operations, which deletes a few thousand 
operations from Duraids example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-15 05:26:55 +00:00
Owen Anderson
71fcebcf8a Fix test/Transforms/GVNPRE/2007-06-12-PhiTranslate.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37564 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 22:43:57 +00:00
Owen Anderson
239e71201e Refactor some code, and fix test/Transforms/GVNPRE/2007-06-12-NoExit.ll by being more careful when using 
post-dominator information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37556 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 16:57:50 +00:00
Dale Johannesen
ce0b23721e Sink CmpInst's to their uses to reduce register pressure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37554 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 16:50:17 +00:00
Owen Anderson
65d2862a60 Fix a few more bugs, including an instance of walking in reverse topological rather than topological order. This 
fixes a testcase extracted from llvm-test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37550 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-12 00:50:47 +00:00
Devang Patel
fe7d4e50b8 Add and use DominatorTreeBase::findNearestCommonDominator(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 23:31:22 +00:00
Devang Patel
f60e5a2cd9 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37542 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 21:45:31 +00:00
Devang Patel
b28aaadfff simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37541 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 21:25:31 +00:00
Devang Patel
e3f653606d Simplify. Dominator Tree is required so always available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37540 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 21:18:00 +00:00
Owen Anderson
0e71466405 Handle functions with multiple exit blocks properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37539 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-11 16:25:17 +00:00
Owen Anderson
139fe848a2 Perform PRE of comparison operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37536 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-09 18:35:31 +00:00
Owen Anderson
b8b873cb7d Collect statistics from GVN-PRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37530 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 22:02:36 +00:00
Owen Anderson
a7f916cf89 Fix typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37526 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 20:57:08 +00:00
Owen Anderson
8338ff5ff1 Fix a bug that was causing the elimination phase not to replace values when it should be. 
With this patch, GVN-PRE now correctly optimizes the example from the thesis.

Many thanks to Daniel Berlin for helping me find errors in this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37525 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 20:44:02 +00:00
Owen Anderson
900997ba3b Small bugfix, and const-ify some methods (Thanks, Bill). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37513 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 01:52:45 +00:00
Devang Patel
dba2413b2e Update LoopSimplify to require and preserve DominatorTree only. 
Now LoopSimplify does not require nor preserve ETForest.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37512 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 01:50:32 +00:00
Owen Anderson
397d405731 Add partial redundancy elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37510 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 01:03:01 +00:00
Devang Patel
f86a73cbef Do not preserve ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37506 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-08 00:02:08 +00:00
Devang Patel
468502e41a Do not require ETForest. Now it is unused by LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37502 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 22:21:15 +00:00
Devang Patel
4b90e3a276 Do not use ETForest as well as DomiantorTree. DominatorTree is sufficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37501 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 22:17:16 +00:00
Devang Patel
326821ef12 Use DominatorTree instead of ETForest. 
This allows faster immediate domiantor walk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37500 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 21:57:03 +00:00
Devang Patel
b7d9dfc7ba Use DominatorTree instead of ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37499 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 21:42:15 +00:00
Devang Patel
fa51f9ae12 Use DominatorTree instead of ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37498 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 21:35:27 +00:00
Devang Patel
a97e040e05 Use DominatorTree instead of ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37495 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 18:45:06 +00:00
Devang Patel
387b8cbc2d Use DominatorTree instead of ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37494 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 18:40:55 +00:00
Devang Patel
9a51157db5 Maintain ETNode as part of DomTreeNode. 
This adds redundancy for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37492 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 17:47:21 +00:00
Tanya Lattner
b62fa8ab6b Formating fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37491 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-07 17:12:16 +00:00
Tanya Lattner
682f683669 Instruct the inliner to obey the noinline attribute. Add test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37481 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 21:59:26 +00:00
Chris Lattner
4e2288b9de simplify this code and fix PR1493, now that llvm-gcc3 is dead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37478 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 20:51:41 +00:00
Lauro Ramos Venancio
d0499af703 Fix PR1499. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37472 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 17:08:48 +00:00
Nick Lewycky
5adcefb04d Inform ScalarEvolutions that we're deleting Values. 
This is the obviously correct part of the fix for PR1487.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37457 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 03:51:56 +00:00
Owen Anderson
12112af5e8 Add simple full redundancy elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37455 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-06 01:27:49 +00:00