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5193 Commits

Author SHA1 Message Date
Chris Lattner
71c12c8e0d Generate the fchs instruction to negate a floating point number 
llvm-svn: 11078
 2004-02-02 19:31:38 +00:00
Chris Lattner
36367e8c90 Add support for OneArgFPRW instructions, fix a couple of typeos 
llvm-svn: 11077
 2004-02-02 19:23:15 +00:00
Brian Gaeke
355bc299b7 Include PowerPC.h. Flesh out the stub versions of addPassesToEmitAssembly() 
and addPassesToJITCompile() slightly.

llvm-svn: 11076
 2004-02-02 19:06:36 +00:00
Brian Gaeke
24f70fa16d Add comments describing how you would add prototypes for factory methods for 
PowerPC-specific passes here.

llvm-svn: 11073
 2004-02-02 19:05:28 +00:00
Chris Lattner
963082346c Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg. 
llvm-svn: 11070
 2004-02-02 18:56:30 +00:00
Alkis Evlogimenos
1825f30a3a Create an object for tracking physical register usage. This will look 
much better when I get rid of the reserved registers.

llvm-svn: 11066
 2004-02-02 07:30:36 +00:00
Chris Lattner
a61cda01c2 Second half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx. 
Basically we store floating point values as their integral components, instead of relying
on the semantics of floating point < to differentiate between values.  This is likely to
make the map search be faster anyway.

llvm-svn: 11064
 2004-02-01 22:49:04 +00:00
Alkis Evlogimenos
586dc51262 Change weight array into a vector and make it as big as the number of 
registers (not as the max number of registers).

Change toSpill from a std::set into a std::vector<bool>.

Use the reverse iterator adapter to do a reverse scan of allocatable
registers.

llvm-svn: 11061
 2004-02-01 20:13:26 +00:00
Alkis Evlogimenos
b2ea4389ca Use std::map::count() instead of std::map::find() != std::map::end() 
where appropriate.

llvm-svn: 11060
 2004-02-01 18:39:53 +00:00
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
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
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
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
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
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
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
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
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