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Author SHA1 Message Date
Chris Lattner
ba6801e6e7 fix Transforms/Inline/2007-06-25-WeakInline.ll by not inlining functions 
with weak linkage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37723 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 21:50:09 +00:00
Chris Lattner
4939debe2a new testcase, the inliner shouldn't inline this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 21:49:53 +00:00
Owen Anderson
9030d384c4 Use the built-in postorder iterators rather than computing a postorder walk by hand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37721 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 18:25:31 +00:00
Reid Spencer
c38adbb846 Fix PR1525: 
Use a better determinator for identifying constant array initializers that
are or are not zero terminated and generate code appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37720 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 16:45:54 +00:00
Dan Gohman
7f32156bb9 Generalize MVT::ValueType and associated functions to be able to represent 
extended vector types. Remove the special SDNode opcodes used for pre-legalize
vector operations, and the special MVT::Vector type used with them. Adjust
lowering and legalize to work with the normal SDNode kinds instead, and to
use the normal MVT functions to work with vector types instead of using the
two special operands that the pre-legalize nodes held.

This allows pre-legalize and post-legalize DAGs, and the code that operates
on them, to be more consistent. Pre-legalize vector operators can be handled
more consistently with scalar operators. And, -view-dag-combine1-dags and
-view-legalize-dags now look prettier for vector code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37719 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 16:23:39 +00:00
Dan Gohman
32791e06d8 Make minor adjustments to whitespace and comments to reduce differences 
between SSE1 instructions and their respective SSE2 analogues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37718 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 15:44:19 +00:00
Dan Gohman
01976307d2 Fix loadv2i32 to be loadv4i32, though it isn't actually used anywhere yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37717 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 15:19:03 +00:00
Dan Gohman
8bc49c2fe7 Say AT&T instead of Intel in the comments for AT&T support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37716 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 15:11:25 +00:00
Anton Korobeynikov
5248896635 Provide hook for alloca on VCPP. Patch by Scott Graham 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37715 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 07:12:14 +00:00
Owen Anderson
f62c44a38d 1) Fix an issue with non-deterministic iteration order in phi_translate 
2) Remove some maximal-set computing code that is no longer used.
3) Use a post-order CFG traversal to compute ANTIC_IN instead of a postdom traversal.
This causes the ANTIC_IN calculation to converge much faster.  Thanks to Daniel Berlin for suggesting this.

With this patch, the time to optimize 403.gcc decreased from 17.5s to 7.5s, and Anton's huge
testcase decreased from 62 minutes to 38 seconds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 05:41:12 +00:00
Nick Lewycky
4390feb7ae Fix value ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37713 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-24 20:14:22 +00:00
Owen Anderson
79a6370133 Fix a silly mistake that was causing failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-24 08:42:24 +00:00
Owen Anderson
f107befaf1 Rename variables to expose the fact that this test is failing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37711 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-24 08:17:41 +00:00
Nick Lewycky
dea252689d Remove tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-24 04:40:16 +00:00
Nick Lewycky
984504b912 Remove use of ETForest. Also cleaned up issues around unreachable basic 
blocks, and optimizing within one basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-24 04:36:20 +00:00
Owen Anderson
647580483c Rework topo_sort so eliminate some behavior that scaled terribly. This reduces the time to optimize 403.gcc from 18.2s to 17.5s, 
and has an even larger effect on larger testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37708 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 21:31:16 +00:00
Owen Anderson
2106f61f23 Perform fewer set insertions while calculating ANTIC_IN. This reduces the amount of time to optimize 403.gcc from 21.9s to 18.2s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 18:27:04 +00:00
Owen Anderson
b3b37345de Remove some code that I was using for collecting performance information that should not have been committed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37706 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 17:04:40 +00:00
Owen Anderson
0819a9d386 Fix the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37705 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 16:59:54 +00:00
Dan Gohman
ea859be53c Move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits from 
TargetLowering to SelectionDAG so that they have more convenient
access to the current DAG, in preparation for the ValueType routines
being changed from standalone functions to members of SelectionDAG for
the pre-legalize vector type changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37704 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 14:59:07 +00:00
Duraid Madina
a8c7682939 check in the BigBlock local register allocator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 08:27:12 +00:00
Owen Anderson
124084604d Avoid excessive calls to find_leader when calculating AVAIL_OUT. This reduces the time to optimize 403.gcc from 23.5s to 21.9s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 03:14:03 +00:00
Evan Cheng
0b2ce1fc19 std::set is really really terrible. Switch to SmallPtrSet to reduce compile time. For Duraid's example. The overall isel time is reduced from 0.6255 sec to 0.1876 sec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 01:35:51 +00:00
Dale Johannesen
5411835165 Quote complex names for Darwin X86 and ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 00:54:56 +00:00
Owen Anderson
e8138ffeaf Reserve space in vectors before topologically sorting into them. This improves the time to optimize 403.gcc from 28s to 23.5s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 00:43:22 +00:00
Owen Anderson
82575d8ab1 Make a bunch of optimizations for compile time to GVNPRE, including smarter set unions, deferring blocks rather than computing maximal sets, and smarter use of sets. With these enhancements, the time to optimize 273.perlbmk goes from 5.3s to 2.7s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37698 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 00:20:30 +00:00
Owen Anderson
6394e5e4fd Fix a bug in SmallPtrSet that was causing GVNPRE to enter an infinite loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 00:11:18 +00:00
Chris Lattner
61766cae0b Two changes: 
1. Make SmallPtrSet::erase faster in the small case by replacing a memmove
    with a pointer copy.
 2. Fix a bug where the null terminator at the end of the array in the small
    case was not copied


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37696 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 23:23:32 +00:00
Devang Patel
25e681ac22 CallGraphSCCPass manager may require other passes. 
Use schedulePass() to accomodate these requirement instead of directly
assigning a manager to new CallGraph PassManager.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 22:29:02 +00:00
Owen Anderson
d3fb671480 Have internal df_iterator's use SmallPtrSet instead of std::set. This provides compile time speedups to any pass using df_iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37694 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 21:25:36 +00:00
Evan Cheng
52974eb49a Fix tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37693 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 18:22:42 +00:00
Chris Lattner
1dbfd48fa2 Significantly improve the documentation of the instcombine divide/compare 
transformation.  Also, keep track of which end of the integer interval overflows
occur on.  This fixes Transforms/InstCombine/2007-06-21-DivCompareMiscomp.ll
and rdar://5278853, a miscompilation of perl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 18:11:19 +00:00
Chris Lattner
e47f30f5e6 new testcase miscompiled by instcombine, reduced from perl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 18:09:25 +00:00
Owen Anderson
66fd906074 Change lots of sets from std::set to SmallPtrSet. This reduces the time required to optimize 253.perlbmk from 10.9s to 5.3s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 17:57:53 +00:00
Devang Patel
0e7f728ad1 Move code to update dominator information after basic block is split 
from LoopSimplify.cpp to Dominator.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37689 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 17:23:45 +00:00
Dan Gohman
2d74a318de Tidy up ValueType names in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37688 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 14:48:26 +00:00
Dan Gohman
b9f1019696 Rename TargetLowering::getNumElements and friends to 
TargetLowering::getNumRegisters and similar, to avoid confusion with
the actual number of elements for vector types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37687 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 14:42:22 +00:00
Evan Cheng
53855ca95c New tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37686 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 07:40:00 +00:00
Evan Cheng
b13cdbd865 Xforms: 
(add (select cc, 0, c), x) -> (select cc, x, (add, x, c))
(sub x, (select cc, 0, c)) -> (select cc, x, (sub, x, c))


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37685 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 07:39:16 +00:00
Owen Anderson
58e087b6e3 Eliminate a redundant check. This speeds up optimization of 253.perlbmk from 13.5 seconds to 10.9 seconds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37683 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 01:59:05 +00:00
Owen Anderson
9cb56014ce Comment-ize the functions in GVNPRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37681 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-21 00:19:05 +00:00
Chris Lattner
562ef78df2 refactor a bunch of code out of visitICmpInstWithInstAndIntCst into its own 
routine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37679 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 23:46:26 +00:00
Owen Anderson
3eaca716bf Split runOnFunction into many smaller functions. This make it easier to get accurate performance analysis of GVNPRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37678 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 22:10:02 +00:00
Tanya Lattner
c5dfcdb3a5 Modify deleting global variable with an even easier way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37676 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 20:46:37 +00:00
Devang Patel
2397f8d0c6 Update AnalysisGroup documentation to document restriction that allows 
only one ImmutablePass in a group.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37675 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 18:51:14 +00:00
Tanya Lattner
b011c66da4 Add blurb on deleting global variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37674 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 18:33:15 +00:00
Owen Anderson
0304b2bc2b Make GVNPRE accurate report whether it modified the function or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 18:30:20 +00:00
Evan Cheng
60c916bc72 Added some if-conversion tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 18:26:15 +00:00
Owen Anderson
5dbea73e35 Get rid of an unneeded helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-20 00:43:33 +00:00
Evan Cheng
97e604e7d8 Be more conservative of duplicating blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 23:55:02 +00:00