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Author SHA1 Message Date
Alkis Evlogimenos
eabb1b1bfa Change string for joined intervals. 
llvm-svn: 11057
 2004-02-01 16:13:05 +00:00
Alkis Evlogimenos
3c94357980 FpMOV is also a move instruction. 
llvm-svn: 11055
 2004-02-01 08:22:16 +00:00
Alkis Evlogimenos
e9d1aa31fc Change xor to ^. 
llvm-svn: 11054
 2004-02-01 08:19:25 +00:00
Chris Lattner
15ea2aa0ff Now that tailduplication does not bork SSA form, run mem2reg earlier in gccas. 
This tremendously improves the code generated by the LLVM optimizer, primarily
by making the inliner more aggressive.  For example, it improves the stepanov
benchmark from 55.56 mega-additions/sec to 98.04 Ma/s.  It also improves the
oopack/iterator benchmark from 338.3MFLOPS/s to 1103.4MFLOPS/s.  Less noteworthy,
it improves oopack/matrix from 573 -> 641 MFLOPS/s.

llvm-svn: 11053
 2004-02-01 07:24:53 +00:00
Chris Lattner
824015593c Disable tail duplication in any "hard" cases, where it might break SSA form. 
llvm-svn: 11052
 2004-02-01 06:32:28 +00:00
Chris Lattner
2e497b5e42 Fix a bug in a recent checkin 
llvm-svn: 11050
 2004-02-01 05:25:07 +00:00
Chris Lattner
3575c84933 Fix the count of the number of instructions removed 
llvm-svn: 11049
 2004-02-01 05:15:07 +00:00
Alkis Evlogimenos
107cf3892c Missed one silly assert :-) 
llvm-svn: 11048
 2004-02-01 02:21:31 +00:00
Alkis Evlogimenos
a7459c76aa Simplify joinIntervals() code. 
llvm-svn: 11047
 2004-02-01 02:18:31 +00:00
Chris Lattner
3818f475de Remove all of the annoying statistics now that I'm finished (for the near 
term) working on bytecode size stuff.

llvm-svn: 11046
 2004-02-01 01:50:31 +00:00
Alkis Evlogimenos
612a35f2a4 Use MRegisterInfo::isPhysicalRegister and 
MRegisterInfo::isVirtualRegister.

llvm-svn: 11045
 2004-02-01 01:27:01 +00:00
Chris Lattner
831561989c Fix a crasher bug in my constant folding rewrite 
llvm-svn: 11044
 2004-02-01 01:23:19 +00:00
Chris Lattner
becd58c6cb Print an error message if we can't materialize the bytecode file 
llvm-svn: 11043
 2004-02-01 01:07:25 +00:00
Chris Lattner
fd937e9d01 Add comments 
llvm-svn: 11042
 2004-02-01 00:32:48 +00:00
Chris Lattner
c76f82c957 Print an error message if there is an error materialize the bc file. 
llvm-svn: 11041
 2004-02-01 00:32:35 +00:00
Alkis Evlogimenos
9559cebebf Apply final part of Chris' patch. 
llvm-svn: 11040
 2004-01-31 23:48:47 +00:00
Alkis Evlogimenos
656870703f Be a little smarter on the way we handle physical register defs. 
llvm-svn: 11038
 2004-01-31 23:13:30 +00:00
Chris Lattner
0ea56952d4 Finegrainify namespacification, use new MRegisterInfo::isVirtualRegister 
method

llvm-svn: 11037
 2004-01-31 21:27:19 +00:00
Chris Lattner
bff56dc518 Fix, correctly this time, the computation of the return value 
Fix a spello
Tighten up the assertion checking

No functionality changes.

llvm-svn: 11036
 2004-01-31 21:21:43 +00:00
Chris Lattner
05b7fef02f * Fix incorrect computation of the runOnMachineFunction return value 
* Turn a bunch of instance variables into automatic variables

llvm-svn: 11035
 2004-01-31 21:14:04 +00:00
Chris Lattner
b0addcc1b0 Remove unneeded #includes 
Move Passes.h (which defines the interface to this file) to the top.
Move statistics to the top of the file.
Add a comment

llvm-svn: 11034
 2004-01-31 21:07:15 +00:00
Chris Lattner
89f03df701 Avoid referencing deleted DSgraphs when merging an SCC into a larger SCC. This 
fixes the crash in 176.gcc.

llvm-svn: 11033
 2004-01-31 21:02:18 +00:00
Alkis Evlogimenos
d1ec5f36ee Merge safe parts from last night's buggy commit. These do not break 
any test cases :-)

llvm-svn: 11032
 2004-01-31 19:59:32 +00:00
Chris Lattner
dadbb4da4d Add two static methods to avoid having client code explicitly compare against 
FirstVirtualRegister

llvm-svn: 11031
 2004-01-31 19:57:11 +00:00
Alkis Evlogimenos
ef63827238 Optimize liveAt() and overlaps(). We now use a binary search instead 
of a linear search to find the first range for comparisons. This cuts
down the linear scan register allocator running time by a factor of 3
in 254.perlbmk and by a factor of 2.2 in 176.gcc.

llvm-svn: 11030
 2004-01-31 16:54:54 +00:00
Alkis Evlogimenos
b9df133d67 Revert last night's changes as they broke some tests. Will remerge parts of the patch. 
llvm-svn: 11029
 2004-01-31 14:37:41 +00:00
Alkis Evlogimenos
c0db519832 Several performance enhancements and cleanups from Chris. 
Simplification of LiveIntervals::Interval::overlaps() and addition of
examples to overlaps() and liveAt() to make them clearer.

llvm-svn: 11028
 2004-01-31 04:56:07 +00:00
Chris Lattner
a497e3d6e1 Fix thinko 
llvm-svn: 11027
 2004-01-30 22:48:02 +00:00
Chris Lattner
f5b5d1f2f8 Add some comments sketching out how this is to work eventually. 
llvm-svn: 11026
 2004-01-30 22:25:18 +00:00
Chris Lattner
543fbaa973 Add a new flag, which is only used for symmetry. 
llvm-svn: 11025
 2004-01-30 22:24:18 +00:00
Chris Lattner
0127841d4e Forward method request to chained aa implementation 
llvm-svn: 11024
 2004-01-30 22:20:55 +00:00
Chris Lattner
ddf07e7fb4 New testcase for better mod/ref information that basicaa can provide 
llvm-svn: 11023
 2004-01-30 22:18:47 +00:00
Chris Lattner
8bcdaf9b5d Implement the pointsToConstantMemory() method. 
llvm-svn: 11022
 2004-01-30 22:17:24 +00:00
Chris Lattner
71d05cef5e Improve mod/ref information based on the pointsToConstantMemory method. 
llvm-svn: 11021
 2004-01-30 22:16:42 +00:00
Chris Lattner
bb4d6f00f9 Add a new pointsToConstantMemory method to the AliasAnalysis interface 
which can be implemented to improve the quality of mod-ref information.

llvm-svn: 11020
 2004-01-30 22:15:41 +00:00
Chris Lattner
6f4945b965 Add (currently disabled) support to the instruction selector to only insert 
FP_REG_KILL instructions at the end of blocks involved with critical edges.

Fix a bug where FP_REG_KILL instructions weren't inserted in fall through
unconditional branches.  Perhaps this will fix some linscan problems?

llvm-svn: 11019
 2004-01-30 22:13:44 +00:00
Chris Lattner
32ec75c4ef Finegrainify namespacification 
Implement LiveVariables::getIndexMachineBasicBlock

llvm-svn: 11018
 2004-01-30 22:08:53 +00:00
Chris Lattner
8671a315d5 Add a new lazily constructed mapping from Idx's the MBB they represent 
llvm-svn: 11017
 2004-01-30 22:08:09 +00:00
Brian Gaeke
9cf840250b Give clients of MachineFunctionPrinter the ability to specify a banner and 
choose an ostream.

llvm-svn: 11016
 2004-01-30 21:53:46 +00:00
Misha Brukman
440d62207c Order #includes alphabetically, per style guide. 
llvm-svn: 11015
 2004-01-30 17:26:24 +00:00
Misha Brukman
64f7595915 Doxygenify comments. 
llvm-svn: 11014
 2004-01-30 17:22:50 +00:00
Chris Lattner
dfa4f14e34 Fix a bug aflicting 265.gap 
llvm-svn: 11006
 2004-01-29 08:36:22 +00:00
Chris Lattner
caecd769c4 Minor bugfixes 
llvm-svn: 11005
 2004-01-29 03:32:15 +00:00
Brian Gaeke
48246597ef I think this is a more robust fix for the Solaris wchar problems (PR206). 
llvm-svn: 11004
 2004-01-28 20:54:41 +00:00
Misha Brukman
6d62b1ee69 Hyphenate `target-dependent' 
llvm-svn: 11003
 2004-01-28 20:43:01 +00:00
Brian Gaeke
923ff046c0 Add a new (static inline) std::ostream& << AllocInfo& method. Use it. 
llvm-svn: 11002
 2004-01-28 19:05:43 +00:00
Chris Lattner
7ab2349541 Rename DSGraph::ScalarMapTy -> DSScalarMap 
llvm-svn: 11001
 2004-01-28 09:15:42 +00:00
Chris Lattner
9a79b1690c Fix a bug 
llvm-svn: 11000
 2004-01-28 03:31:34 +00:00
Chris Lattner
8324e48b84 Eliminate the call to removeTriviallyDeadNodes from updateFromGlobals graph, 
moving it to the start of removeDeadNodes.  This speeds up DSA by 2s on perlbmk
from 41s

llvm-svn: 10999
 2004-01-28 03:24:41 +00:00
Chris Lattner
92eb91ed70 In the TD pass, iterate over globals directly instead of through the whole scalar 
map.  This saves 5s in the TD pass, from 22->17s on perlbmk

llvm-svn: 10998
 2004-01-28 03:12:48 +00:00