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5715 Commits

Author SHA1 Message Date
Chris Lattner
ebebe8f4a0 Implement: ArgumentPromotion/chained.ll 
llvm-svn: 12200
 2004-03-07 22:52:53 +00:00
Chris Lattner
8494ba277f Fix another minor bug, exposed by perlbmk 
llvm-svn: 12198
 2004-03-07 22:43:27 +00:00
Chris Lattner
ca3b90f308 Since 'load null' is undefined, we can make it do whatever we want. Returning 
a zero value is the most likely way to cause further simplification, so we do it.

llvm-svn: 12197
 2004-03-07 22:16:24 +00:00
Chris Lattner
45cf084497 Fix a minor bug and turn debug output into, well, debug output. 
llvm-svn: 12195
 2004-03-07 21:54:50 +00:00
Chris Lattner
4415950211 New LLVM pass: argument promotion. This version only handles simple scalar 
variables.

llvm-svn: 12193
 2004-03-07 21:29:54 +00:00
Alkis Evlogimenos
65649a50e9 Add memory operand version of conditional move. 
llvm-svn: 12190
 2004-03-07 03:19:11 +00:00
Alkis Evlogimenos
02e8f14c6a As I wrote in the docs, simple is the default spiller :-) 
llvm-svn: 12189
 2004-03-06 23:08:44 +00:00
Alkis Evlogimenos
467364b706 Add simple spiller. 
llvm-svn: 12188
 2004-03-06 22:38:29 +00:00
Brian Gaeke
4bb4ec2388 Support return values of basic integer types. 
Emit RETL instruction to return instead of funny JMPL.
Fix indentation.

llvm-svn: 12186
 2004-03-06 05:32:28 +00:00
Brian Gaeke
855518207c Sort stanzas into Sparc V8 book page number order. 
Add RET, RETL.  Rename SAVE, RESTORE & JMPL for consistency.

llvm-svn: 12185
 2004-03-06 05:32:13 +00:00
Brian Gaeke
813f0d8512 Hack it so we do not try to allocate values to G0. 
llvm-svn: 12184
 2004-03-06 05:31:32 +00:00
Brian Gaeke
a265c3c4df Make prolog align stack properly. Make epilog not touch any registers. 
llvm-svn: 12183
 2004-03-06 05:31:21 +00:00
Brian Gaeke
b4258231ca Emit register names in lowercase, as required by the assembler. 
llvm-svn: 12182
 2004-03-06 05:30:21 +00:00
Brian Gaeke
13f3e2f254 Teach getRegClassForType where to find FP registers 
llvm-svn: 12180
 2004-03-06 03:54:13 +00:00
Chris Lattner
5a9cae47a4 Fix a minor bug 
llvm-svn: 12169
 2004-03-05 22:04:07 +00:00
Misha Brukman
75729872be Unbreak the build on Sparc. 
llvm-svn: 12161
 2004-03-05 20:04:40 +00:00
Brian Gaeke
689af03601 Asm output is looking a lot better; not correct for all operands yet though. 
llvm-svn: 12143
 2004-03-05 08:39:09 +00:00
Chris Lattner
f21e7a75d6 Fix a bug in a previous checkin that broke 175.vpr 
llvm-svn: 12128
 2004-03-04 21:36:57 +00:00
Chris Lattner
c885697daa Add support for strto* and v*printf 
llvm-svn: 12127
 2004-03-04 21:03:54 +00:00
Chris Lattner
48b0fd7101 Add non-crappy support for varargs 
llvm-svn: 12126
 2004-03-04 20:33:47 +00:00
Chris Lattner
ac1eaa43fa Implement a FIXME, improving the efficiency of DSA on povray. 
This reduces CBU time from 145s -> 122s (debug build), reduces # allocated nodes
from 129420 to 116477.

llvm-svn: 12125
 2004-03-04 19:47:04 +00:00
Brian Gaeke
a24ac9bf8b Support -print-machineinstrs 
llvm-svn: 12124
 2004-03-04 19:22:16 +00:00
Chris Lattner
e3fc09a37e Speed up the cbu pass from taking somewhere near the age of the universe to about 90s on povray 
llvm-svn: 12123
 2004-03-04 19:16:35 +00:00
Brian Gaeke
0b913593ae make -print-machineinstrs work for both SparcV9 and X86 
llvm-svn: 12122
 2004-03-04 19:16:23 +00:00
Alkis Evlogimenos
e8ebdcc780 Add assertion for scale verification. 
llvm-svn: 12120
 2004-03-04 18:05:02 +00:00
Alkis Evlogimenos
d6bb9674d9 Hide variable from other functions. 
llvm-svn: 12118
 2004-03-04 17:50:44 +00:00
Chris Lattner
bc7fc82865 Fix BU datastructures with povray! 
The problem was that we were merging a field of a node with a value that was
deleted.  Thanks to bugpoint for reducing povray to a nice small 3 function
example.  :)

llvm-svn: 12116
 2004-03-04 17:06:53 +00:00
Chris Lattner
e0c90cf983 Minor changes, remove some debugging code that got checked in somehow. 
Make sure to scope the NodeMap passed into cloneInto so that it doesn't point
to nodes that are deleted.  Add some FIXME's for future performance enhancements.

llvm-svn: 12115
 2004-03-04 17:05:28 +00:00
Brian Gaeke
9c6c572f24 Asm printer support, based on x86 - only prints mnemonics for now 
llvm-svn: 12113
 2004-03-04 06:00:41 +00:00
Brian Gaeke
f8440c5a60 Double-FP pseudo-registers. 
llvm-svn: 12112
 2004-03-04 05:15:03 +00:00
Brian Gaeke
b2f869ee43 Subtract instructions; minor cleanups 
llvm-svn: 12111
 2004-03-04 04:37:45 +00:00
Brian Gaeke
0d71671bcf Floating point regs 
llvm-svn: 12110
 2004-03-04 04:37:22 +00:00
Chris Lattner
790bd9d970 Only clone nodes that are needed in the caller, don't clone ALL aux calls. This improves 
povray from having ~600K nodes and 300K call nodes to 65K nodes and 25K call nodes.

llvm-svn: 12109
 2004-03-04 03:57:53 +00:00
Brian Gaeke
9ebecfdfe0 Simple copyConstantToReg support, SETHIi and ORri 
llvm-svn: 12107
 2004-03-04 00:56:25 +00:00
Brian Gaeke
324c928e36 Support add - note, still missing important copyConstantToRegister stuff 
llvm-svn: 12106
 2004-03-03 23:03:14 +00:00
Chris Lattner
a141de0f09 Fix a minor bug handling incomplete programs 
llvm-svn: 12105
 2004-03-03 23:00:19 +00:00
Chris Lattner
0e1cd00f2c Fix a DSA bug that caused DSA to generate incredibly huge graphs and take forever to 
do it on povray.  The problem is that we were not copying globals from callees to
callers unless the existed in both graphs.  We should have copied them in the case
where the global pointed to a node that was copied as well.

llvm-svn: 12104
 2004-03-03 22:01:09 +00:00
Chris Lattner
a6540122dc Deinline methods, add fast exit 
llvm-svn: 12102
 2004-03-03 20:55:27 +00:00
Brian Gaeke
aa96ff7926 Make MachineOperand's value named 'contents'. Make really, really sure 
it is always completely initialized and copied.
Also, fix up many comments and asserts.

llvm-svn: 12100
 2004-03-03 19:07:27 +00:00
Chris Lattner
309a57f0c0 Fix a node mapping problem that was causing the pool allocator to locally allocate 
nodes that were globally live, thus breaking programs.

llvm-svn: 12094
 2004-03-03 05:34:31 +00:00
Chris Lattner
6978f97701 SPECIFY a target data to initialize the CBE target with. Until now we have 
been using the default target data layout object to lower malloc instructions,
causing us to allocate more memory than we needed!  This could improve the
performance of the CBE generated code substantially!

llvm-svn: 12088
 2004-03-03 02:14:15 +00:00
Chris Lattner
8f80c299f2 Add a new constructor 
llvm-svn: 12087
 2004-03-03 02:12:47 +00:00
Chris Lattner
2a1d782aee Don't emit things like malloc(16*1). Allocation instructions are fixed arity now. 
llvm-svn: 12086
 2004-03-03 01:40:53 +00:00
Chris Lattner
ea4242a575 FINALLY be able to get symbolic type names in the globals graph! 
llvm-svn: 12082
 2004-03-02 21:39:43 +00:00
Chris Lattner
833646d6b8 Really, only if reopen 
llvm-svn: 12080
 2004-03-02 20:46:18 +00:00
Misha Brukman
754f11778f Doxygenify comments. 
llvm-svn: 12071
 2004-03-02 00:22:19 +00:00
Misha Brukman
c58f772803 Implement ExtractCodeRegion() 
llvm-svn: 12070
 2004-03-02 00:20:57 +00:00
Misha Brukman
8a60e317f0 Make a note that this is usually used via bugpoint. 
llvm-svn: 12068
 2004-03-02 00:19:09 +00:00
Misha Brukman
491ff34abf Doxygenify some comments. 
llvm-svn: 12064
 2004-03-01 23:53:11 +00:00
Alkis Evlogimenos
c4ad8080f7 Add a spiller option to llc. A simple spiller will come soon. When we get CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now. 
llvm-svn: 12062
 2004-03-01 23:18:15 +00:00