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5756 Commits

Author SHA1 Message Date
Chris Lattner
e6e93ccd0c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12125 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 19:47:04 +00:00
Brian Gaeke
7a3ae1fbad Support -print-machineinstrs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12124 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 19:22:16 +00:00
Chris Lattner
da5c5a5b95 Speed up the cbu pass from taking somewhere near the age of the universe to about 90s on povray 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12123 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 19:16:35 +00:00
Brian Gaeke
323819e4e1 make -print-machineinstrs work for both SparcV9 and X86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12122 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 19:16:23 +00:00
Alkis Evlogimenos
ce1e500e2f Add assertion for scale verification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12120 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 18:05:02 +00:00
Alkis Evlogimenos
5f65adda50 Hide variable from other functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12118 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 17:50:44 +00:00
Chris Lattner
f590ced5c5 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.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12116 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 17:06:53 +00:00
Chris Lattner
16437ff705 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12115 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 17:05:28 +00:00
Brian Gaeke
4acfd039f9 Asm printer support, based on x86 - only prints mnemonics for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12113 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 06:00:41 +00:00
Brian Gaeke
da69e7d9b3 Double-FP pseudo-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12112 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 05:15:03 +00:00
Brian Gaeke
775158d62a Subtract instructions; minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12111 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 04:37:45 +00:00
Brian Gaeke
e7173b7e8e Floating point regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12110 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 04:37:22 +00:00
Chris Lattner
2f3469013e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12109 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 03:57:53 +00:00
Brian Gaeke
e806173ab6 Simple copyConstantToReg support, SETHIi and ORri 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-04 00:56:25 +00:00
Brian Gaeke
bc1d27aa6e Support add - note, still missing important copyConstantToRegister stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12106 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 23:03:14 +00:00
Chris Lattner
76a9eb3e40 Fix a minor bug handling incomplete programs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12105 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 23:00:19 +00:00
Chris Lattner
c4ebdcea7a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12104 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 22:01:09 +00:00
Chris Lattner
2c7725abb4 Deinline methods, add fast exit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12102 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 20:55:27 +00:00
Brian Gaeke
c54839573c Make MachineOperand's value named 'contents'. Make really, really sure 
it is always completely initialized and copied.
Also, fix up many comments and asserts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12100 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 19:07:27 +00:00
Chris Lattner
b1aaeee48a Fix a node mapping problem that was causing the pool allocator to locally allocate 
nodes that were globally live, thus breaking programs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 05:34:31 +00:00
Chris Lattner
b06f103d0c 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12088 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 02:14:15 +00:00
Chris Lattner
2bed9ecc4b Add a new constructor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12087 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 02:12:47 +00:00
Chris Lattner
0a94348fb9 Don't emit things like malloc(16*1). Allocation instructions are fixed arity now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12086 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-03 01:40:53 +00:00
Chris Lattner
7252939af0 FINALLY be able to get symbolic type names in the globals graph! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12082 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-02 21:39:43 +00:00
Chris Lattner
a19ba52596 Really, only if reopen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12080 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-02 20:46:18 +00:00
Misha Brukman
ab5c6003d2 Doxygenify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12071 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-02 00:22:19 +00:00
Misha Brukman
0256e4bbf9 Implement ExtractCodeRegion() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12070 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-02 00:20:57 +00:00
Misha Brukman
38b8fd1078 Make a note that this is usually used via bugpoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12068 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-02 00:19:09 +00:00
Misha Brukman
538607fe45 Doxygenify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12064 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 23:53:11 +00:00
Alkis Evlogimenos
dd420e060a 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12062 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 23:18:15 +00:00
Alkis Evlogimenos
5f37502bfb Add the long awaited memory operand folding support for linear scan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12058 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 20:05:10 +00:00
Misha Brukman
9d0802e7dd * If a badref has a name, print it out for ease of debugging 
* Doxygenify (some) comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12057 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 19:48:13 +00:00
Chris Lattner
82e9d7224e Correctly add an array marker on a node when appropriate! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12055 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 19:02:54 +00:00
Misha Brukman
b97fce5252 * Add implementation of ExtractBasicBlock() 
* Add comments to ExtractLoop()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12053 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 18:28:34 +00:00
Chris Lattner
ec726a1a6e Add this back, as its absence introduces assertions, and it seems to work now 
that Instructions are annotable again


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 15:28:27 +00:00
Tanya Lattner
f048bfd97d fix bug in previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12044 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 15:05:17 +00:00
Brian Gaeke
05b15fb075 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12043 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 06:43:29 +00:00
Tanya Lattner
9b3cbdbedb Adding new Modulo Scheduling graph files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12031 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 02:50:57 +00:00
Tanya Lattner
d14b83733e Removing old graph files with new graph files that I wrote. Updated ModuloScheduling pass, but still in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12030 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 02:50:01 +00:00
Chris Lattner
2d6a6aa137 Expand on my note-to-self 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12029 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 02:44:44 +00:00
Chris Lattner
21585221b6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12028 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 02:42:43 +00:00
Chris Lattner
ce6096f49b 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12026 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 02:34:08 +00:00
Chris Lattner
99cca7d3aa Disable tail duplication in a case that breaks on Olden/tsp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12021 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-03-01 01:12:13 +00:00
Misha Brukman
99cc88bb64 * Remove function to find "main" in a Module, there's a method for that 
* Removing extraneous empty space and empty comment lines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12014 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 23:09:10 +00:00
Chris Lattner
cbee990a29 Fix -debug-pass=Executions, which relied on Function, Module, and BasicBlock 
being annotable


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12013 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 22:37:04 +00:00
Chris Lattner
06887c9a2a Fix bug: test/Regression/Transforms/LowerInvoke/2004-02-29-PHICrash.llx 
... which tickled the lowerinvoke pass because it used the BCE routines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12012 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 22:24:41 +00:00
Chris Lattner
92bc3bc11c Add an assert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12010 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 22:01:51 +00:00
Chris Lattner
c81295ab24 Add back #include I messed up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12009 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 21:40:53 +00:00
Chris Lattner
e8d43fdced Urg, forgot to check this in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12007 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 21:03:08 +00:00
Chris Lattner
08d4963d49 Move the private MachineInstrAnnot.h into a private directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12003 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 19:12:51 +00:00