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1ceda1d63e
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19287 Commits

Author SHA1 Message Date
Devang Patel
1ceda1d63e Remove ETForest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 20:53:52 +00:00
Evan Cheng
292da949f6 If a livein is not used in the block. It's live through. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37764 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 18:47:28 +00:00
Evan Cheng
e47c333a12 Partial fix for PR1502: If a EH register is needed in a successor of landing pad, add it as livein to all the blocks in the paths between the landing pad and the specified block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 18:45:32 +00:00
Owen Anderson
68cb52e468 Use cached information that has already been computed to make clean() simpler and faster. This is a small speedup on most cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37761 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 17:38:29 +00:00
Owen Anderson
7b317d2f59 Fold a lot of code into two cases: binary instructions and ternary instructions. 
This saves many lines of code duplication.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 17:03:03 +00:00
Dan Gohman
6595cb3000 Rename ("shrinkify") MVT::isExtendedValueType to MVT::isExtendedVT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 16:08:04 +00:00
Dan Gohman
6445f61806 Remove a redundant newline in the asm output for ELF .rodata sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 15:09:47 +00:00
Dan Gohman
8c8c5fcbd7 Use getVectorTypeBreakdown in FunctionLoweringInfo::CreateRegForValue 
to compute the number and type of registers needed for vector values
instead of computing it manually. This fixes PR1529.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 14:34:07 +00:00
Dan Gohman
89b20c07e9 Make the comment for ScalarizeVectorOp mention that it is only for use 
with single-element vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 14:06:22 +00:00
Zhou Sheng
0d7d3656f3 Fix a bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 09:50:26 +00:00
Duraid Madina
df82c93f2a ok, this is something of a dirty hack, but it seems to work. (fixes e.g. 
the SPASS miscompilation)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37750 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 09:01:14 +00:00
Duraid Madina
b2efabd571 ok, this much doesn't seem to bork anything 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37749 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 08:31:07 +00:00
Duraid Madina
4e378c6504 revert evan's fixes (and my doofusness) since they had a huge code 
quality hit. will look at this soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37748 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 08:11:59 +00:00
Duraid Madina
669f7382be pull evan's fixes - should help the nightly tester (but there are still 
some issues)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 07:07:13 +00:00
Evan Cheng
041040717d Replace std::set with SmallPtrSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37746 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 05:23:00 +00:00
Owen Anderson
62cf8babdb Add support for performing GVNPRE on the three vector-specific operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 04:10:46 +00:00
Evan Cheng
75611fb4e6 Fix an obvious bug. Old code only worked for the entry block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 01:16:36 +00:00
Owen Anderson
6032a5ba64 1. Correct some comments and clean up some dead code. 
2. When calculating ANTIC_IN, only iterate the changed blocks.  For most average
inputs this is a small speedup, but for cases with unusual CFGs, this can be a significant win.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37742 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 23:29:41 +00:00
Evan Cheng
7ac19afbb1 Correctly handle implcit def / use operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:05:13 +00:00
Evan Cheng
4efe74129f Properly handle kills of a physical register which has sub-registers that are read by later instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:03:35 +00:00
Evan Cheng
e2446c6076 Silence a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 18:31:22 +00:00
Dan Gohman
acaf32e236 Use utostr from StringExtras.h instead of ostringstream from <sstream>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 15:14:48 +00:00
Dan Gohman
d45eddd214 Revert the earlier change that removed the M_REMATERIALIZABLE machine 
instruction flag, and use the flag along with a virtual member function
hook for targets to override if there are instructions that are only
trivially rematerializable with specific operands (i.e. constant pool
loads).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 00:48:07 +00:00
Duraid Madina
837a600a90 tidy this file up a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 00:21:58 +00:00
Duraid Madina
2e0930cf37 A bunch of fixes to the BigBlock allocator improve compile-time by ~20% 
and code quality by ~2% on my tests.

A big thank you to Roman Levenstein for this patch! See
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070618/050717.html
for more details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37724 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 23:46:54 +00:00
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
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
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
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