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Author SHA1 Message Date
Nick Lewycky
8a08bcfbe7 Add value ranges. Currently inefficient in both execution time and 
optimization power.

llvm-svn: 35058
 2007-03-10 18:12:48 +00:00
Anton Korobeynikov
0c2d312725 Use range tests in LowerSwitch, where possible 
llvm-svn: 35057
 2007-03-10 16:46:28 +00:00
Nick Lewycky
2af4a3ab17 Add getter methods for the extremes of a ConstantRange. 
llvm-svn: 35056
 2007-03-10 15:54:12 +00:00
Bill Wendling
236cfc4344 Adding more arithmetic operators to MMX. This is an almost exact copy of 
the addition. Please let me know if you have suggestions.

llvm-svn: 35055
 2007-03-10 09:57:05 +00:00
Devang Patel
20b8163ad3 Remove dead comments. 
llvm-svn: 35053
 2007-03-09 23:41:03 +00:00
Devang Patel
8a26f4caa0 Avoid recursion. Use iterative algorithm for RenamePass(). 
llvm-svn: 35052
 2007-03-09 23:39:14 +00:00
Devang Patel
ca60446cb4 Increment iterator now because IVUseShouldUsePostIncValue may remove 
User from the list of I users.

llvm-svn: 35051
 2007-03-09 21:19:53 +00:00
Reid Spencer
75ffe11ca9 Regenerate. 
llvm-svn: 35050
 2007-03-09 21:19:09 +00:00
Evan Cheng
a4e410aa9c Minor stuff. 
llvm-svn: 35049
 2007-03-09 19:46:06 +00:00
Evan Cheng
d7201d12af Add comments about LSR / ARM. 
llvm-svn: 35048
 2007-03-09 19:35:33 +00:00
Evan Cheng
2e6f19d8c8 Unfinished work and ideas related to register scavenger. 
llvm-svn: 35047
 2007-03-09 19:34:51 +00:00
Reid Spencer
f860fd3370 For PR1245: 
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
10a05b538d apply comments from review of last patch 
llvm-svn: 35045
 2007-03-09 19:18:59 +00:00
Dale Johannesen
23c2498e23 Add some observations from CoreGraphics benchmark. Remove register 
scavenging todo item, since it is now implemented.

llvm-svn: 35044
 2007-03-09 17:58:17 +00:00
Anton Korobeynikov
f8f0ce564c Unbreak mingw32 build 
llvm-svn: 35042
 2007-03-09 11:53:34 +00:00
Evan Cheng
dc9f790abd If a virtual register is already marked alive in this block, that means it is 
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
e7ba7ee5d8 Print preds / succs BB numbers. 
llvm-svn: 35040
 2007-03-09 08:29:08 +00:00
Evan Cheng
0049744cd8 Avoid variable shadowing. 
llvm-svn: 35039
 2007-03-09 06:02:17 +00:00
Bill Wendling
4e2fff5898 Don't use std::hex. 
llvm-svn: 35038
 2007-03-08 23:37:24 +00:00
Bill Wendling
80cc8c4502 Don't use a cast. It causes an error on some platforms. 
llvm-svn: 35037
 2007-03-08 23:26:50 +00:00
Evan Cheng
8685e7d770 Test inline asm modifier 'c'. 
llvm-svn: 35036
 2007-03-08 22:45:31 +00:00
Evan Cheng
7ef8db2fb5 Implement inline asm modifier c. 
llvm-svn: 35035
 2007-03-08 22:42:46 +00:00
Chris Lattner
cec3666863 upgrade this testcase, add test for fp immediate to memory operand. 
llvm-svn: 35034
 2007-03-08 22:33:06 +00:00
Chris Lattner
dfe5b3bd1d implement support for floating point constants used as inline asm memory operands. 
llvm-svn: 35033
 2007-03-08 22:29:47 +00:00
Bill Wendling
4fbc327c54 Add MMX arithmetic testcase. 
llvm-svn: 35032
 2007-03-08 22:14:51 +00:00
Bill Wendling
5fef3fd7e7 Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that 
moves, loads, etc. are recognized.

llvm-svn: 35031
 2007-03-08 22:09:11 +00:00
Evan Cheng
6445ce2423 Fix a typo. 
llvm-svn: 35030
 2007-03-08 21:59:30 +00:00
Evan Cheng
511c8f6a24 Fix test case. 
llvm-svn: 35029
 2007-03-08 19:27:32 +00:00
Devang Patel
94228897e7 Speed Up Pass Manager. 
- 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
acc59870f7 Fix a bug in function ComputeMaskedBits(). 
llvm-svn: 35027
 2007-03-08 15:15:18 +00:00
Evan Cheng
7d528d089c Putting more constants which do not contain relocations into .literal{4|8|16} 
llvm-svn: 35026
 2007-03-08 08:31:54 +00:00
Chris Lattner
7e516796f6 make this fail even in non-assert builds. 
llvm-svn: 35025
 2007-03-08 07:07:03 +00:00
Chris Lattner
66843dbef9 This appears correct, enable it so we can see perf changes on testers 
llvm-svn: 35024
 2007-03-08 07:03:55 +00:00
Chris Lattner
049f21257d Second half of PR1226. This is currently still disabled, until I have a chance to 
do the correctness/performance analysis testing.

llvm-svn: 35023
 2007-03-08 06:36:54 +00:00
Zhou Sheng
37cb2e2d53 Fix a bug in APIntified ComputeMaskedBits(). 
llvm-svn: 35022
 2007-03-08 05:42:00 +00:00
Evan Cheng
393fd04eb4 Change register allocation order to Dale's suggestion. 
llvm-svn: 35021
 2007-03-08 02:56:40 +00:00
Evan Cheng
2c3e4ab3a6 Bug fix. Not advancing the register scavenger iterator correctly. 
llvm-svn: 35020
 2007-03-08 02:55:08 +00:00
Reid Spencer
c3f0724204 For PR1205: 
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
6a924d1a1d For PR1205: 
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
c79408b032 For Darwin, put constant data into .const, .const_data, .literal{4|8|16} 
sections.

llvm-svn: 35017
 2007-03-08 01:25:25 +00:00
Evan Cheng
14b63d89c1 Put constant data to .const, .const_data, .literal{4|8|16} sections. 
llvm-svn: 35016
 2007-03-08 01:07:07 +00:00
Evan Cheng
6bf2f3665e Add ReadOnlySection directive. 
llvm-svn: 35015
 2007-03-08 01:00:38 +00:00
Evan Cheng
7513c95267 Added ContainsRelocations() to check if a constant might only be resolvable at load time. 
llvm-svn: 35014
 2007-03-08 00:59:12 +00:00
Evan Cheng
51c3e53eb7 Only safe to use a call-clobbered or spilled callee-saved register as scratch register. 
llvm-svn: 35010
 2007-03-07 20:30:36 +00:00
Bill Wendling
8f49ba1000 Remove useless pattern fragments. 
llvm-svn: 35009
 2007-03-07 18:23:09 +00:00
Anton Korobeynikov
85d6c1ebad Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00
Anton Korobeynikov
a24b167902 Cleanup: make SetCounter an instance variable 
llvm-svn: 35007
 2007-03-07 08:25:02 +00:00
Evan Cheng
5196ecbf5c New test case. 
llvm-svn: 35006
 2007-03-07 08:12:39 +00:00
Evan Cheng
2f55532e84 Avoid combining indexed load further. 
llvm-svn: 35005
 2007-03-07 08:07:03 +00:00
Evan Cheng
d4fb00bb6b Add a utility function to test whether a load is unindexed. 
llvm-svn: 35004
 2007-03-07 08:04:41 +00:00