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30766 Commits

Author SHA1 Message Date
Duncan Sands a413e0825f Test that the size of a view converted object is determined by the target 
type, not the source type.

llvm-svn: 35106
 2007-03-14 20:24:53 +00:00
Evan Cheng e278f30a52 Clean up. 
llvm-svn: 35105
 2007-03-14 20:20:19 +00:00
Evan Cheng eb76f7c6fd Oops. 
llvm-svn: 35104
 2007-03-14 19:44:58 +00:00
Jim Laskey 6e8a2f4738 Change e-mail address. 
llvm-svn: 35103
 2007-03-14 19:32:21 +00:00
Jim Laskey 2211f496ff Add link to exception handling. 
llvm-svn: 35102
 2007-03-14 19:31:19 +00:00
Jim Laskey 7248e711bd Adding credit for PPC changes. 
llvm-svn: 35101
 2007-03-14 19:30:33 +00:00
Jim Laskey 6956773583 First draft of exception handling doc. 
llvm-svn: 35100
 2007-03-14 19:29:42 +00:00
Jeff Cohen eb9dccf63d Make older versions of bison happy. 
llvm-svn: 35099
 2007-03-14 15:27:17 +00:00
Jeff Cohen 137a16ea95 Fix for VS 2005 problem supplied by Morten Ofstad. 
llvm-svn: 35098
 2007-03-14 15:25:21 +00:00
Evan Cheng dda4c32db3 X86-64 JIT is in large code model. Need stubs for direct calls. 
llvm-svn: 35097
 2007-03-14 10:51:55 +00:00
Evan Cheng 386dfc9251 x86-64 JIT stub codegen. 
llvm-svn: 35096
 2007-03-14 10:48:08 +00:00
Evan Cheng e1a95206e3 Preliminary support for X86-64 JIT stub codegen. 
llvm-svn: 35095
 2007-03-14 10:44:30 +00:00
Zhou Sheng d8c645b0ba ShiftAmt might equal to zero. Handle this situation. 
llvm-svn: 35094
 2007-03-14 09:07:33 +00:00
Zhou Sheng b912844554 Enable KnownZero/One.clear(). 
llvm-svn: 35093
 2007-03-14 03:21:24 +00:00
Evan Cheng b59d60da40 New test. 
llvm-svn: 35091
 2007-03-13 23:31:47 +00:00
Evan Cheng ca6fab953f This got better. 
llvm-svn: 35090
 2007-03-13 23:26:41 +00:00
Evan Cheng 2874855302 Try schedule def + use closer whne Sethi-Ullman numbers are the same. 
e.g.
t1 = op t2, c1
t3 = op t4, c2
and the following instructions are both ready.
t2 = op c3
t4 = op c4

Then schedule t2 = op first.
i.e.
t4 = op c4
t2 = op c3
t1 = op t2, c1
t3 = op t4, c2

This creates more short live intervals which work better with the register
allocator.

llvm-svn: 35089
 2007-03-13 23:25:11 +00:00
Evan Cheng 72a8bcf238 AM2 can match 2^n +/- 1. e.g. ldr r3, [r2, r2, lsl #2] 
llvm-svn: 35088
 2007-03-13 21:05:54 +00:00
Evan Cheng 507eefa757 Zero is always a legal AM immediate. 
llvm-svn: 35087
 2007-03-13 20:37:59 +00:00
Evan Cheng b5eb932c93 Correct type info for isLegalAddressImmediate() check. 
llvm-svn: 35086
 2007-03-13 20:34:37 +00:00
Duncan Sands 3240cdb339 Test support for arrays with non-zero first index. 
llvm-svn: 35084
 2007-03-13 15:12:35 +00:00
Nicolas Geoffray 7aad92868c Stack and register alignment of call arguments in the ELF ABI 
llvm-svn: 35083
 2007-03-13 15:02:46 +00:00
Chris Lattner d1bce956b4 ifdef out some dead code. 
Fix PR1244 and Transforms/InstCombine/2007-03-13-CompareMerge.ll

llvm-svn: 35082
 2007-03-13 14:27:42 +00:00
Chris Lattner 091e75bbde testcase for PR1244 
llvm-svn: 35081
 2007-03-13 14:25:35 +00:00
Zhou Sheng ebe634e662 For expression like 
"APInt::getAllOnesValue(ShiftAmt).zextOrCopy(BitWidth)",
to handle ShiftAmt == BitWidth situation, use zextOrCopy() instead of
zext().

llvm-svn: 35080
 2007-03-13 06:40:59 +00:00
Zhou Sheng b9c3707e97 Add zextOrCopy() into APInt for convenience. 
llvm-svn: 35079
 2007-03-13 06:16:26 +00:00
Zhou Sheng af4341d441 In APInt version ComputeMaskedBits(): 
1. Ensure VTy, KnownOne and KnownZero have same bitwidth.
  2. Make code more efficient.

llvm-svn: 35078
 2007-03-13 02:23:10 +00:00
Evan Cheng 818242bbaf Implement getTargetLowering() or else LSR won't be using ARM specific hooks. 
llvm-svn: 35077
 2007-03-13 01:20:42 +00:00
Evan Cheng b7004fd889 More flexible TargetLowering LSR hooks for testing whether an immediate is a legal target address immediate or scale. 
llvm-svn: 35076
 2007-03-12 23:37:10 +00:00
Evan Cheng 2150b9286f Updated TargetLowering LSR addressing mode hooks for ARM and Thumb. 
llvm-svn: 35075
 2007-03-12 23:30:29 +00:00
Evan Cheng b9dce9db85 More flexible TargetLowering LSR hooks for testing whether an immediate is a legal target address immediate or scale. 
llvm-svn: 35074
 2007-03-12 23:29:01 +00:00
Evan Cheng 3ab7ea7965 More flexible TargetLowering LSR hooks for testing whether an immediate is 
a legal target address immediate or scale.

llvm-svn: 35073
 2007-03-12 23:28:50 +00:00
Evan Cheng 720acdfb31 Use new TargetLowering addressing modes hooks. 
llvm-svn: 35072
 2007-03-12 23:27:37 +00:00
Evan Cheng 6486974e8d More flexible TargetLowering LSR hooks for testing whether an immediate is 
a legal target address immediate or scale.

llvm-svn: 35071
 2007-03-12 23:26:27 +00:00
Evan Cheng 57f261b13a Stupid bug: SSE2 supports v2i64 add / sub. 
llvm-svn: 35070
 2007-03-12 22:58:52 +00:00
Reid Spencer 6223c05805 Revert the last patch as it violates the conditions of sext/zext. 
llvm-svn: 35068
 2007-03-12 18:37:25 +00:00
Jeff Cohen 72ac14ed29 Unbreak C++ build. 
llvm-svn: 35067
 2007-03-12 17:57:00 +00:00
Jeff Cohen 00227417d2 Unbreak VC++ build. Do not use identifiers starting with _ as they are reserved and 
can collide with system defined names.  Windows defines _BB, for example.

llvm-svn: 35066
 2007-03-12 17:56:27 +00:00
Zhou Sheng 3999ffa0c8 For APInt::z/sext(width), if width == BitWidth, just return *this. 
llvm-svn: 35065
 2007-03-12 17:47:45 +00:00
Reid Spencer 1791f23803 Add an APInt version of SimplifyDemandedBits. 
Patch by Zhou Sheng.

llvm-svn: 35064
 2007-03-12 17:25:59 +00:00
Reid Spencer d9281784be Add an APInt version of ShrinkDemandedConstant. 
Patch by Zhou Sheng.

llvm-svn: 35063
 2007-03-12 17:15:10 +00:00
Zhou Sheng be171ee5cd Avoid to assert on "(KnownZero & KnownOne) == 0". 
llvm-svn: 35062
 2007-03-12 16:54:56 +00:00
Zhou Sheng b3e00c4656 In function ComputeMaskedBits(): 
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. 
llvm-svn: 35059
 2007-03-11 07:16:10 +00:00
Nick Lewycky d9bd0bc3e2 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 8a6dc102d3 Use range tests in LowerSwitch, where possible 
llvm-svn: 35057
 2007-03-10 16:46:28 +00:00
Nick Lewycky e455937fae Add getter methods for the extremes of a ConstantRange. 
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 
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. 
llvm-svn: 35054
 2007-03-10 05:57:57 +00:00
Devang Patel 5f50e61d52 Remove dead comments. 
llvm-svn: 35053
 2007-03-09 23:41:03 +00:00