Chris Lattner
3bd9409349
Build add instructions of the correct form!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5090 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 23:36:57 +00:00
Chris Lattner
b89818ed5a
Add dummy implementation of __main
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5089 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 23:31:48 +00:00
Chris Lattner
14aa7fe238
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
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5088 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 22:54:46 +00:00
Chris Lattner
3fc14c2602
Fix prolog/epilog in the presence of alloca
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5087 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 22:29:30 +00:00
Chris Lattner
4863fe14de
Make sure stack manipulation refers to ESP the right number of times
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5086 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 22:29:06 +00:00
Chris Lattner
1ada064803
New testcase for printing out arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5085 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 20:09:54 +00:00
Chris Lattner
8a307e8c63
Add some special cases to make common getelementptr cases easier to read/faster
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5084 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 19:32:50 +00:00
Chris Lattner
27177cb1c1
Finish implementation of alias list impl
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5083 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 19:31:48 +00:00
Chris Lattner
c21be922bf
* Fix a gross X86 hack that was intended to avoid allocating SP and BP
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* Implement register alias set support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5082 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 17:44:42 +00:00
Chris Lattner
69c198863d
Keep the stack frame aligned.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5081 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 17:42:40 +00:00
Chris Lattner
00032bf6cc
Add support for register alias set description
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5080 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 16:39:14 +00:00
Chris Lattner
439a27ac42
Add mechanism to select register allocator to use
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5079 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 16:15:51 +00:00
Chris Lattner
b74e83c898
Initial checkin of "local" register allocator. Bugs are still present.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5078 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 16:15:28 +00:00
Chris Lattner
92aec04cd6
Try #2 to get alias set stuff to work
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5077 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 16:14:51 +00:00
Chris Lattner
1894dd6ca9
Add comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5076 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 15:57:44 +00:00
Chris Lattner
c2fc7ea60b
Add info about register aliases, add prototype for createLocalRegisterAllocator
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5075 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 15:55:51 +00:00
Chris Lattner
dfb0a541c7
Add info about register file aliasing
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5074 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 15:55:25 +00:00
Chris Lattner
1a49517a2c
Add information about register file aliasing
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5073 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 15:54:59 +00:00
Chris Lattner
880eaa5985
Add call clobber info
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5072 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 15:54:42 +00:00
Chris Lattner
1a45626c4c
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5071 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 14:38:13 +00:00
Chris Lattner
1d62cea90b
Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator.
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Remvoe some dead code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5070 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 14:37:00 +00:00
Brian Gaeke
68b1edca76
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5069 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 04:23:29 +00:00
Vikram S. Adve
ec4d36276f
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...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5068 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-16 01:31:18 +00:00
Chris Lattner
b167c04e62
Some simpliciations to the spill/reload interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5067 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 23:01:26 +00:00
Chris Lattner
8ed9eb5ca3
Simplify PHI node elimination significantly by doing it as a prepass to
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register allocation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5066 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 22:39:53 +00:00
Chris Lattner
f4b95d94e2
Correct the setting of Def flags on registers that are modified!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5065 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 22:38:47 +00:00
Chris Lattner
9f366d7ab6
Variety of small or trivial simplifications to the code, completely eliminated
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the dependence on PhysRegClassMap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5064 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 22:19:19 +00:00
Chris Lattner
70535c608d
Export well known instruction opcodes usable by target independant passes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5063 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 22:16:08 +00:00
Chris Lattner
c583175e72
Add new opIsUse method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5062 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 22:05:02 +00:00
Chris Lattner
f605055994
Remove unused savePhysRegToStack method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5061 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 21:33:51 +00:00
Chris Lattner
01b08c59b4
Localize a map, remove another
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5060 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 21:24:30 +00:00
Chris Lattner
f0eb7beb66
Give passes nice names!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5059 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 21:13:40 +00:00
Chris Lattner
8233e2fe01
Give simple reg allocator a nice Pass Name
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5058 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 21:13:12 +00:00
Chris Lattner
15f96db4d9
Add a big assert making sure 2 address instructions are formed right
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5057 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 21:02:20 +00:00
Chris Lattner
315bad0bc6
Add new testcase for repeated preds
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5056 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 20:52:08 +00:00
Chris Lattner
3f91ad7ba7
Fix a problem that occurs when PHI nodes have multiple entries for the same predecessor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5055 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 20:48:03 +00:00
Chris Lattner
da7e453aac
Grab bag of minor cleanups. Export some statistics about the number of
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spills and reloads emitted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5054 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 20:36:09 +00:00
Chris Lattner
2109f502d6
Implement printing of MBB arguments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5053 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 20:35:25 +00:00
Chris Lattner
198ab640bb
Simplify interfaces used by regalloc to insert code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5052 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 20:06:35 +00:00
Chris Lattner
c2db1a95df
* Simplify code a bit by breaking the PHI node handling stuff out into a seperate
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function from normal regalloc code
* Make the regalloc for a block a function instead of part of runOnMachineBB, which
makes it easier to see what's going on in runOnMBB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5051 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 19:51:14 +00:00
Chris Lattner
afe628c1d6
Changes to make new TargetRegisterClass interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5050 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 19:29:34 +00:00
Chris Lattner
0f24e33b73
Simplify TargetRegisterClass a bit, also eliminating virtual function call
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overhead
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5049 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 19:29:14 +00:00
Chris Lattner
9593fb1503
* Remove some unneccesary instance variables
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* Make allocateStackSpaceFor only allocate the right amount of space
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5048 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 19:07:34 +00:00
Chris Lattner
439b76730d
* Simplify TargetRegisterClass implementations
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* Change regclass iterators to use an extra level of pointers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5047 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 18:40:36 +00:00
Chris Lattner
aa8dad5561
* Rename const_regclass_begin/end to just regclass_begin/end
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* Regclass iterators need an extra level of pointerness to work right
* Pull inverse mapping code out of target description files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5046 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 18:40:01 +00:00
Chris Lattner
dd444f9242
pull inverse reg class mapping into a class that is sharable and out of the
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target register description classes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5045 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 18:38:59 +00:00
Chris Lattner
abe8dd592d
Prune #includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5044 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 18:19:24 +00:00
Chris Lattner
ad44bd99ff
Remove extraneous #includes, perform FIXME
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5043 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 18:15:24 +00:00
Chris Lattner
e3912ee3ab
New testcase for structure argument problems.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5042 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 17:46:18 +00:00
Chris Lattner
4fed97f801
New test to make sure I'm getting constness right
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5041 91177308-0d34-0410-b5e6-96231b3b80d8
2002-12-15 17:37:35 +00:00