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Author SHA1 Message Date
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
fb8eb94027 Rename method, add new method 
llvm-svn: 12103
 2004-03-03 22:00:20 +00:00
Chris Lattner
a6540122dc Deinline methods, add fast exit 
llvm-svn: 12102
 2004-03-03 20:55:27 +00:00
Chris Lattner
43d5238d45 De-inline methods 
llvm-svn: 12101
 2004-03-03 20:55:15 +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
Brian Gaeke
cce916b047 Squash /usr/dcs path; use a 'require <version>' instead. 
llvm-svn: 12099
 2004-03-03 17:38:51 +00:00
Brian Gaeke
b25ed8394b Add my regression finding by binary searching cvs script. 
llvm-svn: 12095
 2004-03-03 08:14:25 +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
John Criswell
ed813111c2 Added EH support. 
llvm-svn: 12075
 2004-03-02 15:54:25 +00:00
Alkis Evlogimenos
e1b5ad0f44 Make <di> into <dt> (definition list term). 
llvm-svn: 12072
 2004-03-02 03:36:10 +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
057b5d5519 Add prototype for ExtractCodeRegion() 
llvm-svn: 12069
 2004-03-02 00:20:32 +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
37fa5a21ea Fix <p> missing <p> tag 
llvm-svn: 12063
 2004-03-01 23:25:38 +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
Alkis Evlogimenos
64e76a0d43 Add the long awaited memory operand folding support for linear scan 
llvm-svn: 12058
 2004-03-01 20:05:10 +00:00
Misha Brukman
d9ed820702 * If a badref has a name, print it out for ease of debugging 
* Doxygenify (some) comments

llvm-svn: 12057
 2004-03-01 19:48:13 +00:00
Chris Lattner
ed70152b7d Add new method 
llvm-svn: 12056
 2004-03-01 19:36:50 +00:00
Chris Lattner
e7c638e989 Correctly add an array marker on a node when appropriate! 
llvm-svn: 12055
 2004-03-01 19:02:54 +00:00
Misha Brukman
c727b11790 Fix grammar and doxygenify comments. 
llvm-svn: 12054
 2004-03-01 18:31:19 +00:00
Misha Brukman
f93e6ab769 * Add implementation of ExtractBasicBlock() 
* Add comments to ExtractLoop()

llvm-svn: 12053
 2004-03-01 18:28:34 +00:00
Misha Brukman
f5abaea3a5 Add ability to extract a single basic block into a new function. 
llvm-svn: 12052
 2004-03-01 18:27:13 +00:00
Misha Brukman
3b5ed865eb * HTML 4.01 Strict compliance 
* Removed unnecessary tabs in the entire file

llvm-svn: 12051
 2004-03-01 18:21:04 +00:00
Misha Brukman
bb9e7f4eab HTML 4.01 Strict compliance. 
llvm-svn: 12050
 2004-03-01 17:47:27 +00:00
Chris Lattner
4d192a2674 Add this back, as its absence introduces assertions, and it seems to work now 
that Instructions are annotable again

llvm-svn: 12045
 2004-03-01 15:28:27 +00:00
Tanya Lattner
b22016f21b fix bug in previous checkin 
llvm-svn: 12044
 2004-03-01 15:05:17 +00:00
Brian Gaeke
b78f8498f0 TargetCacheInfo has been removed; its only uses were to propagate a constant 
(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's
dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in
the interest of not breaking things any more than they already are, I'm going
to leave the constant alone.

llvm-svn: 12043
 2004-03-01 06:43:29 +00:00
Tanya Lattner
27c08f11bf Adding new Modulo Scheduling graph files. 
llvm-svn: 12031
 2004-03-01 02:50:57 +00:00
Tanya Lattner
55de04447c Removing old graph files with new graph files that I wrote. Updated ModuloScheduling pass, but still in progress. 
llvm-svn: 12030
 2004-03-01 02:50:01 +00:00
Chris Lattner
9bf85f216b Expand on my note-to-self 
llvm-svn: 12029
 2004-03-01 02:44:44 +00:00
Chris Lattner
8c1d67b55f Handle passing constant integers to functions much more efficiently. Instead 
of generating this code:

        mov %EAX, 4
        mov DWORD PTR [%ESP], %EAX
        mov %AX, 123
        movsx %EAX, %AX
        mov DWORD PTR [%ESP + 4], %EAX
        call Y

we now generate:
        mov DWORD PTR [%ESP], 4
        mov DWORD PTR [%ESP + 4], 123
        call Y

Which hurts the eyes less.  :)

Considering that register pressure around call sites is already high (with all
of the callee clobber registers n stuff), this may help a lot.

llvm-svn: 12028
 2004-03-01 02:42:43 +00:00
Brian Gaeke
3623dca9a1 Don't look in the .libs directories that libtool makes 
llvm-svn: 12027
 2004-03-01 02:41:22 +00:00
Chris Lattner
c686a9ab37 Fix a minor code-quality issue. When passing 8 and 16-bit integer constants 
to function calls, we would emit dead code, like this:

int Y(int, short, double);
int X() {
  Y(4, 123, 4);
}

--- Old
X:
        sub %ESP, 20
        mov %EAX, 4
        mov DWORD PTR [%ESP], %EAX
***     mov %AX, 123
        mov %AX, 123
        movsx %EAX, %AX
        mov DWORD PTR [%ESP + 4], %EAX
        fld QWORD PTR [.CPIX_0]
        fstp QWORD PTR [%ESP + 8]
        call Y
        mov %EAX, 0
        # IMPLICIT_USE %EAX %ESP
        add %ESP, 20
        ret

Now we emit:
X:
        sub %ESP, 20
        mov %EAX, 4
        mov DWORD PTR [%ESP], %EAX
        mov %AX, 123
        movsx %EAX, %AX
        mov DWORD PTR [%ESP + 4], %EAX
        fld QWORD PTR [.CPIX_0]
        fstp QWORD PTR [%ESP + 8]
        call Y
        mov %EAX, 0
        # IMPLICIT_USE %EAX %ESP
        add %ESP, 20
        ret

Next up, eliminate the mov AX and movsx entirely!

llvm-svn: 12026
 2004-03-01 02:34:08 +00:00
Chris Lattner
176413cedb Fix the "partial pool allocator" on em3d and others. The problem is that 
DSNodes, unlike other GraphTraits nodes, can have null outgoing edges, and
df_iterator doesn't take this into consideration.  As a workaround, the
successor iterator now handles null nodes and 'indicates' that null has
no successors.

llvm-svn: 12025
 2004-03-01 01:42:26 +00:00
Chris Lattner
980840a607 Make Module annotable. Reid has a bunch of code that depends on this, and 
we really don't win that much by eliminating this (not many Modules are
allocated), so it's not worth it.  When we can, we should revisit this in
the future.

llvm-svn: 12023
 2004-03-01 01:25:37 +00:00
Chris Lattner
2749c25a5c Disable tail duplication in a case that breaks on Olden/tsp 
llvm-svn: 12021
 2004-03-01 01:12:13 +00:00