Misha Brukman
2ad2adf8cb
Bool alignment on MacOSX/PowerPC is 4 bytes.
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llvm-svn: 15122
2004-07-23 01:11:46 +00:00
Misha Brukman
3f338d98a6
* Change class of BoolTy back to cInt
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* Fix indentation back to 2 spaces
llvm-svn: 15121
2004-07-23 01:11:19 +00:00
Misha Brukman
2b0205b8ab
* Add BoolAlignment to TargetData, default is 1 byte, size 1 byte
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* Convert tabs to spaces
llvm-svn: 15120
2004-07-23 01:09:52 +00:00
Misha Brukman
29445f8a8b
* Add a BoolAlignment field to TargetData, default is 1 byte
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* Fix spacing
llvm-svn: 15119
2004-07-23 01:08:13 +00:00
Chris Lattner
9c326b6cc8
costmetic changes
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llvm-svn: 15118
2004-07-22 23:05:12 +00:00
Misha Brukman
670b1f6a75
Let's not get carried away here, please.
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llvm-svn: 15117
2004-07-22 22:43:21 +00:00
John Criswell
9c8cbfff53
Give some credit to Oscar. Should help to address Bug#13.
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llvm-svn: 15116
2004-07-22 22:11:16 +00:00
Chris Lattner
54f8932b3b
Fix broken -debug printing
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llvm-svn: 15115
2004-07-22 21:54:22 +00:00
Chris Lattner
0fbe7e1e60
The default has not been 'simple' for AGES!
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llvm-svn: 15114
2004-07-22 21:46:02 +00:00
Chris Lattner
1e21b8c96f
Remove some abandoned code that was never finished. If needed in the future
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it can be ressurected from CVS.
llvm-svn: 15113
2004-07-22 21:32:38 +00:00
Chris Lattner
093d84c480
Remove some (LARGE) abandoned code for the release. If this is ever needed
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again in the future, it can be resurrected out of CVS
llvm-svn: 15112
2004-07-22 21:30:35 +00:00
Chris Lattner
767638fe6d
Make linear scan the default
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llvm-svn: 15111
2004-07-22 18:42:00 +00:00
Misha Brukman
1109566c8d
* Change bool from cInt to cByte (for now)
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* Don't allow negative immediates to users of unsigned immediates
* Fix long compares
* Support <const int>, op as a potential immediate candidate
* Fix sign extension of short and byte loads
* Fix and improve integer casts
* Fix passing of doubles as vararg functions
Patch contributed by Nate Begeman.
llvm-svn: 15109
2004-07-22 15:58:04 +00:00
Alkis Evlogimenos
4b4712b58d
Put variable name to a separate line.
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llvm-svn: 15108
2004-07-22 15:30:33 +00:00
Misha Brukman
752cdcc2a5
Fix indentation and wrap code at 80 cols
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llvm-svn: 15107
2004-07-22 15:26:23 +00:00
Alkis Evlogimenos
ba7fdf3568
Sorting is now handled by both linearscan and iterative scan so live
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intervals need not be sorted anymore. Removing this redundant step
improves LiveIntervals running time by 5% on 176.gcc.
llvm-svn: 15106
2004-07-22 15:18:10 +00:00
Alkis Evlogimenos
717d6cd988
Fit to 80 columns.
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llvm-svn: 15105
2004-07-22 14:29:31 +00:00
Chris Lattner
abe9575868
Remove redundant SCCP pass
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Add new DSE pass. Add a temporary option to disable it in case we need it
This is going in after the July 22 nightly tester run, so we'll wait until the 23rd to see it
:)
llvm-svn: 15104
2004-07-22 08:34:33 +00:00
Alkis Evlogimenos
0292045897
Some compile time improvements resulting in a 1sec speedup in the 5sec
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compilation of gcc:
* Use vectors instead of lists for the intervals sets
* Use a heap for the unhandled set to keep intervals always sorted and
makes insertions back to the heap very fast (compared to scanning a
list)
llvm-svn: 15103
2004-07-22 08:14:44 +00:00
Chris Lattner
d1cfccd01e
New prototype
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llvm-svn: 15102
2004-07-22 08:07:30 +00:00
Chris Lattner
7e9731bc4f
This is a trivial dead store elimination pass. It very very simple and
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can be improved in many ways. But: stop laughing, even with -basicaa it
deletes 15% of the stores in 252.eon :)
llvm-svn: 15101
2004-07-22 08:00:28 +00:00
Chris Lattner
00c80f345f
Trivial testcase for dse
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llvm-svn: 15100
2004-07-22 07:59:20 +00:00
Chris Lattner
e3adc34ea7
Clean up reference counting to stop "leaking" alias sets
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llvm-svn: 15099
2004-07-22 07:58:18 +00:00
Chris Lattner
21c0ddacf2
Remove extraneous punctuation
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llvm-svn: 15098
2004-07-22 05:51:56 +00:00
Chris Lattner
7b301dfa9d
Update GC intrinsics to take a pointer to the object as well as a pointer
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to the field being updated. Patch contributed by Tobias Nurmiranta
llvm-svn: 15097
2004-07-22 05:51:13 +00:00
Chris Lattner
59c0771263
Updates to gc intrinsics, contributed by Tobias Nurmiranta
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llvm-svn: 15096
2004-07-22 05:50:01 +00:00
Chris Lattner
b6c0676755
Update documentation for gc intrinsics change. Contributed by
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Tobias Nurmiranta
llvm-svn: 15095
2004-07-22 05:49:38 +00:00
Chris Lattner
d88c0923db
Update gc intrinsics to take pointer to object as well as pointer to field.
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Patch contributed by Tobias Nurmiranta
llvm-svn: 15094
2004-07-22 05:48:38 +00:00
Alkis Evlogimenos
1cae25921d
Use reverse iterators when updating the vector, since scanning from
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the end will reduce erase() runtimes.
llvm-svn: 15093
2004-07-22 02:16:53 +00:00
Chris Lattner
25dd6b0a24
That funny 2-address lowering pass can also cause multiple definitions,
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fortunately, they are easy to handle if we know about them. This patch fixes
some serious pessimization of code produced by the linscan register allocator.
llvm-svn: 15092
2004-07-22 00:04:14 +00:00
Chris Lattner
eb21652fba
Minor cleanups
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llvm-svn: 15091
2004-07-21 23:17:57 +00:00
Chris Lattner
e3d3cd3e71
Fix cases where we generated horrible code like this:
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mov %EDI, 12
add %EDI, %ECX
mov %ECX, 12
add %ECX, %EDX
mov %EDX, 12
add %EDX, %ESI
instead (really!) generate this:
add %ECX, 12
add %EDX, 12
add %ESI, 12
llvm-svn: 15090
2004-07-21 21:28:26 +00:00
Brian Gaeke
f18cdca667
These files don't need to include <iostream> since they include "Support/Debug.h".
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llvm-svn: 15089
2004-07-21 20:50:33 +00:00
Brian Gaeke
18a3ff1140
Include <iostream> here, because most people using DEBUG() want to use std::cerr too.
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This means that users of this file do not also need to include <iostream>.
llvm-svn: 15088
2004-07-21 20:50:22 +00:00
Misha Brukman
28e92a3fde
* Add the lost fix to define the second reg of a 2-reg representation of longs
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* Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value
llvm-svn: 15087
2004-07-21 20:30:18 +00:00
Misha Brukman
9543849102
* Speed up canUseAsImmediateForOpcode() by comparing Operand before
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dyn_cast<>ing and checking Constant's value
* Convert tabs to spaces
llvm-svn: 15086
2004-07-21 20:22:06 +00:00
Chris Lattner
b77bda4432
* Further cleanup.
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* Test for whether bits are shifted out during the optzn.
If so, the fold is illegal, though it can be handled explicitly for setne/seteq
This fixes the miscompilation of 254.gap last night, which was a latent bug
exposed by other optimizer improvements.
llvm-svn: 15085
2004-07-21 20:14:10 +00:00
Misha Brukman
7507403c2b
* Fix printing of signed immediate values (Nate Begeman)
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* Fix printing of `zeroinitializer'
* Fix printing of `linkonce' globals, complete with stubs
llvm-svn: 15084
2004-07-21 20:11:11 +00:00
Misha Brukman
64f203922d
* Fix printing of signed immediate values
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* Generation of opcodes that take 16 bit immediates
* Rewrote multiply to be correct for 64 bit values
* Rewrote all the long handling to be correct for PowerPC
* Fix visitSelectInst() to define the upper register of the pair of regs
representing a long value
Patch contributed by Nate Begeman.
llvm-svn: 15083
2004-07-21 20:09:08 +00:00
Chris Lattner
a3c10c2012
Make cast-cast code a bit more defensive
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"simplify" a bit of code for comparison/and folding
llvm-svn: 15082
2004-07-21 19:50:44 +00:00
Misha Brukman
752584b520
Use addSImm() instead of addImm() for stack offsets, which may be negative.
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llvm-svn: 15081
2004-07-21 19:36:57 +00:00
Misha Brukman
77e3529f65
Reid doesn't need a definite article in front of his name.
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llvm-svn: 15080
2004-07-21 18:04:27 +00:00
Misha Brukman
f420620da9
Delete extra space; add <p> tags around text within a <div>
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llvm-svn: 15079
2004-07-21 18:02:43 +00:00
Alkis Evlogimenos
40d8d044fe
Fix analysis name.
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llvm-svn: 15078
2004-07-21 17:23:44 +00:00
Misha Brukman
3d395cbda3
Add SUBI instruction
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llvm-svn: 15077
2004-07-21 15:53:04 +00:00
Misha Brukman
f432931d8c
Fix spelling of `iterative scan'
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llvm-svn: 15075
2004-07-21 12:53:14 +00:00
Misha Brukman
bfa2cebdc6
* Uncomment rule for location of LLI (formerly commented out: typo?)
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* Add space between VAR and `='
llvm-svn: 15074
2004-07-21 12:47:40 +00:00
Alkis Evlogimenos
183f8af791
Clear spilled list at once. Remove unused vector.
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llvm-svn: 15073
2004-07-21 12:00:10 +00:00
Alkis Evlogimenos
c767432a26
Change std::list into a std::vector for IntervalSets. This reduces
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compile time for 176.gcc from 5.6 secs to 4.7 secs.
llvm-svn: 15072
2004-07-21 09:46:55 +00:00
Alkis Evlogimenos
441f3a155d
Add greater_ptr functor.
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llvm-svn: 15070
2004-07-21 08:38:06 +00:00