Zhou Sheng
b3e00c4656
In function ComputeMaskedBits():
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1. Replace getSignedMinValue() with getSignBit() for better code readability.
2. Replace APIntOps::shl() with operator<<= for convenience.
3. Make APInt construction more effective.
llvm-svn: 35060
2007-03-12 05:44:52 +00:00
Zhou Sheng
e8e618a6ff
Add getSignBit() and operator<<= into APInt for convenience.
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llvm-svn: 35059
2007-03-11 07:16:10 +00:00
Nick Lewycky
d9bd0bc3e2
Add value ranges. Currently inefficient in both execution time and
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optimization power.
llvm-svn: 35058
2007-03-10 18:12:48 +00:00
Anton Korobeynikov
8a6dc102d3
Use range tests in LowerSwitch, where possible
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llvm-svn: 35057
2007-03-10 16:46:28 +00:00
Nick Lewycky
e455937fae
Add getter methods for the extremes of a ConstantRange.
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llvm-svn: 35056
2007-03-10 15:54:12 +00:00
Bill Wendling
e9b81f5366
Adding more arithmetic operators to MMX. This is an almost exact copy of
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the addition. Please let me know if you have suggestions.
llvm-svn: 35055
2007-03-10 09:57:05 +00:00
Reid Spencer
9d1c347921
Add required header file.
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llvm-svn: 35054
2007-03-10 05:57:57 +00:00
Devang Patel
5f50e61d52
Remove dead comments.
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llvm-svn: 35053
2007-03-09 23:41:03 +00:00
Devang Patel
bda1250624
Avoid recursion. Use iterative algorithm for RenamePass().
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llvm-svn: 35052
2007-03-09 23:39:14 +00:00
Devang Patel
58818c530f
Increment iterator now because IVUseShouldUsePostIncValue may remove
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User from the list of I users.
llvm-svn: 35051
2007-03-09 21:19:53 +00:00
Reid Spencer
ad3618a33d
Regenerate.
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llvm-svn: 35050
2007-03-09 21:19:09 +00:00
Evan Cheng
09663aeac7
Minor stuff.
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llvm-svn: 35049
2007-03-09 19:46:06 +00:00
Evan Cheng
31ef0ab7cf
Add comments about LSR / ARM.
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llvm-svn: 35048
2007-03-09 19:35:33 +00:00
Evan Cheng
603f3094eb
Unfinished work and ideas related to register scavenger.
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llvm-svn: 35047
2007-03-09 19:34:51 +00:00
Reid Spencer
3fcf0c24a9
For PR1245:
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Account for the sign bit when computing the number of bits required for
a negative integer literal constant.
llvm-svn: 35046
2007-03-09 19:26:52 +00:00
Dale Johannesen
368faf9acd
apply comments from review of last patch
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llvm-svn: 35045
2007-03-09 19:18:59 +00:00
Dale Johannesen
af0cff2671
Add some observations from CoreGraphics benchmark. Remove register
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scavenging todo item, since it is now implemented.
llvm-svn: 35044
2007-03-09 17:58:17 +00:00
Anton Korobeynikov
2f4ae5306e
Unbreak mingw32 build
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llvm-svn: 35042
2007-03-09 11:53:34 +00:00
Evan Cheng
df7949a8d0
If a virtual register is already marked alive in this block, that means it is
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alive in one of the successor block. Do not add it to the kill list.
llvm-svn: 35041
2007-03-09 09:48:56 +00:00
Evan Cheng
9bc8d4b6f2
Print preds / succs BB numbers.
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llvm-svn: 35040
2007-03-09 08:29:08 +00:00
Evan Cheng
91b0790297
Avoid variable shadowing.
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llvm-svn: 35039
2007-03-09 06:02:17 +00:00
Bill Wendling
16574a72e1
Don't use std::hex.
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llvm-svn: 35038
2007-03-08 23:37:24 +00:00
Bill Wendling
61a2773977
Don't use a cast. It causes an error on some platforms.
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llvm-svn: 35037
2007-03-08 23:26:50 +00:00
Evan Cheng
fe7b8a7c68
Test inline asm modifier 'c'.
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llvm-svn: 35036
2007-03-08 22:45:31 +00:00
Evan Cheng
ea28fc5dc4
Implement inline asm modifier c.
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llvm-svn: 35035
2007-03-08 22:42:46 +00:00
Chris Lattner
577e8b4ed8
upgrade this testcase, add test for fp immediate to memory operand.
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llvm-svn: 35034
2007-03-08 22:33:06 +00:00
Chris Lattner
ce8aba03ee
implement support for floating point constants used as inline asm memory operands.
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llvm-svn: 35033
2007-03-08 22:29:47 +00:00
Bill Wendling
c8eb6b1b15
Add MMX arithmetic testcase.
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llvm-svn: 35032
2007-03-08 22:14:51 +00:00
Bill Wendling
6092ce25cf
Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that
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moves, loads, etc. are recognized.
llvm-svn: 35031
2007-03-08 22:09:11 +00:00
Evan Cheng
63170b6959
Fix a typo.
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llvm-svn: 35030
2007-03-08 21:59:30 +00:00
Evan Cheng
f4d1ee7ff2
Fix test case.
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llvm-svn: 35029
2007-03-08 19:27:32 +00:00
Devang Patel
01919d2c0b
Speed Up Pass Manager.
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- Check Immutableness before searching PreservedSet.
- Avoid unnecessary traversal while setting Last User.
llvm-svn: 35028
2007-03-08 19:05:01 +00:00
Zhou Sheng
d1eb3d593e
Fix a bug in function ComputeMaskedBits().
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llvm-svn: 35027
2007-03-08 15:15:18 +00:00
Evan Cheng
ddf082082c
Putting more constants which do not contain relocations into .literal{4|8|16}
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llvm-svn: 35026
2007-03-08 08:31:54 +00:00
Chris Lattner
b7bc3f2d30
make this fail even in non-assert builds.
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llvm-svn: 35025
2007-03-08 07:07:03 +00:00
Chris Lattner
abd3bff4f2
This appears correct, enable it so we can see perf changes on testers
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llvm-svn: 35024
2007-03-08 07:03:55 +00:00
Chris Lattner
9f022d550b
Second half of PR1226. This is currently still disabled, until I have a chance to
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do the correctness/performance analysis testing.
llvm-svn: 35023
2007-03-08 06:36:54 +00:00
Zhou Sheng
387d7b1a35
Fix a bug in APIntified ComputeMaskedBits().
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llvm-svn: 35022
2007-03-08 05:42:00 +00:00
Evan Cheng
e94a2f8026
Change register allocation order to Dale's suggestion.
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llvm-svn: 35021
2007-03-08 02:56:40 +00:00
Evan Cheng
977195e912
Bug fix. Not advancing the register scavenger iterator correctly.
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llvm-svn: 35020
2007-03-08 02:55:08 +00:00
Reid Spencer
bb5741fb02
For PR1205:
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Provide an APIntified version of MaskedValueIsZero. This will (temporarily)
cause a "defined but not used" message from the compiler. It will be used
in the next patch in this series.
Patch by Sheng Zhou.
llvm-svn: 35019
2007-03-08 01:52:58 +00:00
Reid Spencer
aa69640b10
For PR1205:
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Add a new ComputeMaskedBits function that is APIntified. We'll slowly
convert things over to use this version. When its all done, we'll remove
the existing version.
llvm-svn: 35018
2007-03-08 01:46:38 +00:00
Evan Cheng
d918477ac3
For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
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sections.
llvm-svn: 35017
2007-03-08 01:25:25 +00:00
Evan Cheng
13a1d96963
Put constant data to .const, .const_data, .literal{4|8|16} sections.
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llvm-svn: 35016
2007-03-08 01:07:07 +00:00
Evan Cheng
58aeb9c444
Add ReadOnlySection directive.
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llvm-svn: 35015
2007-03-08 01:00:38 +00:00
Evan Cheng
f9e003b653
Added ContainsRelocations() to check if a constant might only be resolvable at load time.
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llvm-svn: 35014
2007-03-08 00:59:12 +00:00
Evan Cheng
f030f2d628
Only safe to use a call-clobbered or spilled callee-saved register as scratch register.
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llvm-svn: 35010
2007-03-07 20:30:36 +00:00
Bill Wendling
6d8211c0ac
Remove useless pattern fragments.
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llvm-svn: 35009
2007-03-07 18:23:09 +00:00
Anton Korobeynikov
ed4b303c10
Refactoring of formal parameter flags. Enable properly use of
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zext/sext/aext stuff.
llvm-svn: 35008
2007-03-07 16:25:09 +00:00
Anton Korobeynikov
dd6ce6900e
Cleanup: make SetCounter an instance variable
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llvm-svn: 35007
2007-03-07 08:25:02 +00:00