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Author SHA1 Message Date
Evan Cheng
30adb50aaf Add comment. 
llvm-svn: 37741
 2007-06-26 21:19:07 +00:00
Evan Cheng
5c0f03bce4 Correctly handle implcit def / use operands. 
llvm-svn: 37740
 2007-06-26 21:05:13 +00:00
Evan Cheng
0eaa723739 Properly handle kills of a physical register which has sub-registers that are read by later instructions. 
llvm-svn: 37739
 2007-06-26 21:03:35 +00:00
Evan Cheng
ac10d44736 Add immediate sub-registers. 
llvm-svn: 37738
 2007-06-26 20:59:16 +00:00
Evan Cheng
5506831e5b Silence a warning. 
llvm-svn: 37737
 2007-06-26 18:31:22 +00:00
Reid Spencer
fee7d394f7 Update for Subversion conversion: 
1. Fix comments for -usesvn and -svnurl options.
2. Fix default URL for SVN access.
3. Fix paths to accommodate "trunk" when checking out from SVN.

llvm-svn: 37736
 2007-06-26 17:08:16 +00:00
Dan Gohman
eea90f90af Replace ?: with if statements, for clarity. 
llvm-svn: 37735
 2007-06-26 16:19:08 +00:00
Dan Gohman
99878e810a Simplify the expression for MVT::isExtendedValueType. 
llvm-svn: 37733
 2007-06-26 15:20:04 +00:00
Dan Gohman
fb8c9beba3 Simplify the expression for TargetLowering::isTypeLegal. 
llvm-svn: 37732
 2007-06-26 15:16:27 +00:00
Dan Gohman
94432fe813 Use utostr from StringExtras.h instead of ostringstream from <sstream>. 
llvm-svn: 37731
 2007-06-26 15:14:48 +00:00
Dan Gohman
2fa6ce1cd4 Renumber the SimpleValueType values to fill in the hole left by 
removing MVT::Vector.

llvm-svn: 37730
 2007-06-26 14:28:59 +00:00
Dan Gohman
9cbc3fb1ab 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).

llvm-svn: 37728
 2007-06-26 00:48:07 +00:00
Dan Gohman
550ec9362b Fix a typo in a comment. 
llvm-svn: 37727
 2007-06-26 00:43:18 +00:00
Dan Gohman
76d6776c52 Add a convenince member function for appending strings to a module's 
module-level asm string data.

llvm-svn: 37726
 2007-06-26 00:38:49 +00:00
Duraid Madina
c4b17f9a08 tidy this file up a bit 
llvm-svn: 37725
 2007-06-26 00:21:58 +00:00
Duraid Madina
1d8c70bf83 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.

llvm-svn: 37724
 2007-06-25 23:46:54 +00:00
Chris Lattner
64e8e4af59 fix Transforms/Inline/2007-06-25-WeakInline.ll by not inlining functions 
with weak linkage.

llvm-svn: 37723
 2007-06-25 21:50:09 +00:00
Chris Lattner
0e4a85056d new testcase, the inliner shouldn't inline this. 
llvm-svn: 37722
 2007-06-25 21:49:53 +00:00
Owen Anderson
fb09af59e0 Use the built-in postorder iterators rather than computing a postorder walk by hand. 
llvm-svn: 37721
 2007-06-25 18:25:31 +00:00
Reid Spencer
c3f113c9aa Fix PR1525: 
Use a better determinator for identifying constant array initializers that
are or are not zero terminated and generate code appropriately.

llvm-svn: 37720
 2007-06-25 16:45:54 +00:00
Dan Gohman
354f02e03d 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.

llvm-svn: 37719
 2007-06-25 16:23:39 +00:00
Dan Gohman
dc8a1730f7 Make minor adjustments to whitespace and comments to reduce differences 
between SSE1 instructions and their respective SSE2 analogues.

llvm-svn: 37718
 2007-06-25 15:44:19 +00:00
Dan Gohman
f40db01c32 Fix loadv2i32 to be loadv4i32, though it isn't actually used anywhere yet. 
llvm-svn: 37717
 2007-06-25 15:19:03 +00:00
Dan Gohman
d3b3703430 Say AT&T instead of Intel in the comments for AT&T support. 
llvm-svn: 37716
 2007-06-25 15:11:25 +00:00
Anton Korobeynikov
c8aa8f8ba7 Provide hook for alloca on VCPP. Patch by Scott Graham 
llvm-svn: 37715
 2007-06-25 07:12:14 +00:00
Owen Anderson
293173ccd2 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.

llvm-svn: 37714
 2007-06-25 05:41:12 +00:00
Nick Lewycky
59c02f6336 Fix value ranges. 
llvm-svn: 37713
 2007-06-24 20:14:22 +00:00
Owen Anderson
e16e7f2d3d Fix a silly mistake that was causing failures. 
llvm-svn: 37712
 2007-06-24 08:42:24 +00:00
Owen Anderson
18e5df298f Rename variables to expose the fact that this test is failing. 
llvm-svn: 37711
 2007-06-24 08:17:41 +00:00
Nick Lewycky
c238dd7dca Remove tabs. 
llvm-svn: 37710
 2007-06-24 04:40:16 +00:00
Nick Lewycky
fff717bc50 Remove use of ETForest. Also cleaned up issues around unreachable basic 
blocks, and optimizing within one basic block.

llvm-svn: 37709
 2007-06-24 04:36:20 +00:00
Owen Anderson
4713f37034 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.

llvm-svn: 37708
 2007-06-22 21:31:16 +00:00
Owen Anderson
65af4e7d2b Perform fewer set insertions while calculating ANTIC_IN. This reduces the amount of time to optimize 403.gcc from 21.9s to 18.2s. 
llvm-svn: 37707
 2007-06-22 18:27:04 +00:00
Owen Anderson
1fe94b16dc Remove some code that I was using for collecting performance information that should not have been committed. 
llvm-svn: 37706
 2007-06-22 17:04:40 +00:00
Owen Anderson
89558a0db6 Fix the build. 
llvm-svn: 37705
 2007-06-22 16:59:54 +00:00
Dan Gohman
a62327ea40 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.

llvm-svn: 37704
 2007-06-22 14:59:07 +00:00
Duraid Madina
fe6e41b4f9 check in the BigBlock local register allocator 
llvm-svn: 37703
 2007-06-22 08:27:12 +00:00
Owen Anderson
92c7510376 Avoid excessive calls to find_leader when calculating AVAIL_OUT. This reduces the time to optimize 403.gcc from 23.5s to 21.9s. 
llvm-svn: 37702
 2007-06-22 03:14:03 +00:00
Evan Cheng
85169b9b40 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. 
llvm-svn: 37701
 2007-06-22 01:35:51 +00:00
Dale Johannesen
e1c767df50 Quote complex names for Darwin X86 and ARM. 
llvm-svn: 37700
 2007-06-22 00:54:56 +00:00
Owen Anderson
0abfa1ecb2 Reserve space in vectors before topologically sorting into them. This improves the time to optimize 403.gcc from 28s to 23.5s. 
llvm-svn: 37699
 2007-06-22 00:43:22 +00:00
Owen Anderson
e121e85517 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. 
llvm-svn: 37698
 2007-06-22 00:20:30 +00:00
Owen Anderson
41515dcd4b Fix a bug in SmallPtrSet that was causing GVNPRE to enter an infinite loop. 
llvm-svn: 37697
 2007-06-22 00:11:18 +00:00
Chris Lattner
3ac68a90f2 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

llvm-svn: 37696
 2007-06-21 23:23:32 +00:00
Devang Patel
0b2cb3ec61 CallGraphSCCPass manager may require other passes. 
Use schedulePass() to accomodate these requirement instead of directly
assigning a manager to new CallGraph PassManager.

llvm-svn: 37695
 2007-06-21 22:29:02 +00:00
Owen Anderson
907b0a4e10 Have internal df_iterator's use SmallPtrSet instead of std::set. This provides compile time speedups to any pass using df_iterator. 
llvm-svn: 37694
 2007-06-21 21:25:36 +00:00
Evan Cheng
e139181e1c Fix tests. 
llvm-svn: 37693
 2007-06-21 18:22:42 +00:00
Chris Lattner
4624e16f16 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.

llvm-svn: 37692
 2007-06-21 18:11:19 +00:00
Chris Lattner
cbb352b293 new testcase miscompiled by instcombine, reduced from perl 
llvm-svn: 37691
 2007-06-21 18:09:25 +00:00
Owen Anderson
eb29dac190 Change lots of sets from std::set to SmallPtrSet. This reduces the time required to optimize 253.perlbmk from 10.9s to 5.3s. 
llvm-svn: 37690
 2007-06-21 17:57:53 +00:00