67e555d1ec
fix warning
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llvm-svn: 5107
2002-12-20 04:12:48 +00:00
d4627093de
* Fix several register aliasing bugs
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* Add a new option to eliminate spilling of registers that are only used
within a basic block.
llvm-svn: 5106
2002-12-18 08:14:26 +00:00
07b2da5d67
Print argc as well as argv
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llvm-svn: 5105
2002-12-18 02:07:21 +00:00
b437b7de1a
Don't force setCC instructions into AL
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llvm-svn: 5104
2002-12-18 01:44:31 +00:00
dc451c6d27
Implicit defs/uses list may be empty.
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llvm-svn: 5103
2002-12-18 01:11:14 +00:00
b54343a64f
Add comments, switch uses/defs to match InstrInfo.def file
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llvm-svn: 5102
2002-12-18 01:05:54 +00:00
fc9af85395
Add reg clobber list for direct calls
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Represent empty use/def list as a null pointer
llvm-svn: 5101
2002-12-18 01:05:31 +00:00
5629397d28
Simplify interface to remove virtual function references
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llvm-svn: 5100
2002-12-17 04:20:39 +00:00
ac5f3b3ed3
Use new reginfo interface
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llvm-svn: 5099
2002-12-17 04:19:40 +00:00
4cb8af96b3
Update to use new interface for register info
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llvm-svn: 5098
2002-12-17 04:19:17 +00:00
0eece84186
New file
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llvm-svn: 5097
2002-12-17 04:03:08 +00:00
0ea32b8dd3
Add prolog/epilog spills/reloads to counters
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Move X86 specific alignment gunk to X86 files
llvm-svn: 5096
2002-12-17 03:16:10 +00:00
eaf58b03b2
Round number of bytes allocated on the stack up to a multiple of 4 so that the
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stack remains aligned
llvm-svn: 5095
2002-12-17 03:15:26 +00:00
d9c6f2a6d3
Local register allocator is now stable enough for use, it passes all tests
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llvm-svn: 5094
2002-12-17 02:51:15 +00:00
4664bd5798
Fix many bugs, regallocator now saves callee-save registers instead of target
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llvm-svn: 5093
2002-12-17 02:50:10 +00:00
5afbc4c387
Register allocator is responsible for spilling callee saved regs
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llvm-svn: 5092
2002-12-17 02:48:57 +00:00
0a9aed1a1b
Make testcase return 0 on success
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llvm-svn: 5091
2002-12-17 02:02:01 +00:00
2e6f17f136
Build add instructions of the correct form!
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llvm-svn: 5090
2002-12-16 23:36:57 +00:00
4377c67bc6
Add dummy implementation of __main
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llvm-svn: 5089
2002-12-16 23:31:48 +00:00
e92fb346d3
Two fixes:
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* Only load incoming arguments into virtual registers once at the
beginning of the function
* Assign different virtual registers to each reference to constants/globals
llvm-svn: 5088
2002-12-16 22:54:46 +00:00
c87fcde854
Fix prolog/epilog in the presence of alloca
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llvm-svn: 5087
2002-12-16 22:29:30 +00:00
e92f1bb011
Make sure stack manipulation refers to ESP the right number of times
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llvm-svn: 5086
2002-12-16 22:29:06 +00:00
89645751ba
New testcase for printing out arguments
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llvm-svn: 5085
2002-12-16 20:09:54 +00:00
5c59014a1b
Add some special cases to make common getelementptr cases easier to read/faster
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llvm-svn: 5084
2002-12-16 19:32:50 +00:00
6b5ca53493
Finish implementation of alias list impl
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llvm-svn: 5083
2002-12-16 19:31:48 +00:00
0129b86d55
* Fix a gross X86 hack that was intended to avoid allocating SP and BP
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* Implement register alias set support
llvm-svn: 5082
2002-12-16 17:44:42 +00:00
1d84f0a461
Keep the stack frame aligned.
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llvm-svn: 5081
2002-12-16 17:42:40 +00:00
b74c150efc
Add support for register alias set description
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llvm-svn: 5080
2002-12-16 16:39:14 +00:00
e0c25aaf99
Add mechanism to select register allocator to use
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llvm-svn: 5079
2002-12-16 16:15:51 +00:00
101b8cd9b6
Initial checkin of "local" register allocator. Bugs are still present.
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llvm-svn: 5078
2002-12-16 16:15:28 +00:00
d44d25323d
Try #2 to get alias set stuff to work
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llvm-svn: 5077
2002-12-16 16:14:51 +00:00
9b83781030
Add comments
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llvm-svn: 5076
2002-12-16 15:57:44 +00:00
36d6f4a303
Add info about register aliases, add prototype for createLocalRegisterAllocator
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llvm-svn: 5075
2002-12-16 15:55:51 +00:00
4cf76c23e8
Add info about register file aliasing
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llvm-svn: 5074
2002-12-16 15:55:25 +00:00
855b784523
Add information about register file aliasing
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llvm-svn: 5073
2002-12-16 15:54:59 +00:00
e5bbc24516
Add call clobber info
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llvm-svn: 5072
2002-12-16 15:54:42 +00:00
0b9f0b5faf
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator
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llvm-svn: 5071
2002-12-16 14:38:13 +00:00
c63d63a7c7
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator.
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Remvoe some dead code
llvm-svn: 5070
2002-12-16 14:37:00 +00:00
6ebe959530
brg
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Fix some bugs in use of MBB vs. BB and iterators that are invalidated before
we use them.
Reference targetClass by enum name, not by number.
llvm-svn: 5069
2002-12-16 04:23:29 +00:00
879874e602
Use -Wl,-x instead of -s: it is more portable, and in particular,
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is needed on BSD (MacOS).
Also, use -Ldir instead of -L dir on the link line. Same reason...
llvm-svn: 5068
2002-12-16 01:31:18 +00:00
bc1e6700eb
Some simpliciations to the spill/reload interface
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llvm-svn: 5067
2002-12-15 23:01:26 +00:00
4e560ee65b
Simplify PHI node elimination significantly by doing it as a prepass to
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register allocation
llvm-svn: 5066
2002-12-15 22:39:53 +00:00
3c1b59ca59
Correct the setting of Def flags on registers that are modified!
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llvm-svn: 5065
2002-12-15 22:38:47 +00:00
292083aaf5
Variety of small or trivial simplifications to the code, completely eliminated
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the dependence on PhysRegClassMap
llvm-svn: 5064
2002-12-15 22:19:19 +00:00
050d0ce094
Export well known instruction opcodes usable by target independant passes
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llvm-svn: 5063
2002-12-15 22:16:08 +00:00
432447fed1
Add new opIsUse method
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llvm-svn: 5062
2002-12-15 22:05:02 +00:00
2af545d034
Remove unused savePhysRegToStack method
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llvm-svn: 5061
2002-12-15 21:33:51 +00:00
ed594b6b20
Localize a map, remove another
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llvm-svn: 5060
2002-12-15 21:24:30 +00:00
d06650ade1
Give passes nice names!
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llvm-svn: 5059
2002-12-15 21:13:40 +00:00
1499e5a92c
Give simple reg allocator a nice Pass Name
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llvm-svn: 5058
2002-12-15 21:13:12 +00:00
Chris Lattner