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Author SHA1 Message Date
Evan Cheng
fff5254adf Remove unnecessary #include. 
llvm-svn: 47164
 2008-02-15 18:12:09 +00:00
Dan Gohman
8ff2d5e0e3 Use StoreSDNode::getValue instead of calling getOperand directly 
with a hard-coded operand number.

llvm-svn: 47163
 2008-02-15 18:11:59 +00:00
Dale Johannesen
de53aaec39 Remove warning about 64-bit code on processor 
that doesn't support it.  Per Chris.

llvm-svn: 47162
 2008-02-15 18:09:51 +00:00
Lauro Ramos Venancio
4fcf9513f1 It is not safe to call fork in PrintStackTrace. Sometimes it freezes the program. 
llvm-svn: 47161
 2008-02-15 18:05:54 +00:00
Dan Gohman
e34f24132b Change MemOperand's size and offset to be 64-bit. 
llvm-svn: 47151
 2008-02-15 01:29:57 +00:00
Devang Patel
01f9252f73 Fix PR2028 
llvm-svn: 47150
 2008-02-15 01:24:49 +00:00
Dale Johannesen
da9de4b3f0 nocona, core2 and penryn support 64 bit. 
llvm-svn: 47149
 2008-02-15 01:22:41 +00:00
Chris Lattner
3bac9de032 Support vector constant zeros, thanks to Zack Rusin for the testcase. 
llvm-svn: 47148
 2008-02-15 00:57:28 +00:00
Dale Johannesen
6cb8a628a2 Rewrite tblgen handling of subtarget features so 
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.

llvm-svn: 47143
 2008-02-14 23:35:16 +00:00
Devang Patel
8af92b942c If loop header is also loop exiting block then OrigPN is incoming value for B loop header. 
Fixes PR 2030.

llvm-svn: 47141
 2008-02-14 23:18:47 +00:00
Dan Gohman
9ca30afc39 Fix a warning about comparison between signed and unsigned, 
being consistent with the rest of the APInt implementation.

llvm-svn: 47138
 2008-02-14 22:38:45 +00:00
Chris Lattner
b8bf200b77 Fix PR2029 
llvm-svn: 47129
 2008-02-14 19:18:13 +00:00
Chris Lattner
9c24f3ec37 Fix a miscompilation from Dan's recent apintification. 
llvm-svn: 47128
 2008-02-14 18:48:56 +00:00
Nate Begeman
9deedb0114 Fix single precision FP constants on SPU. They are actually legal, 
which allows us to kill a target-specific node.

llvm-svn: 47127
 2008-02-14 18:43:04 +00:00
Duncan Sands
27f4dab7a3 Rename CFEBuildInstrs.html to GCCFEBuildInstrs.html. 
Update all references to it and place a redirection
page at the old address.

llvm-svn: 47124
 2008-02-14 17:53:22 +00:00
Duncan Sands
0056f1e823 In TargetLowering::LowerCallTo, don't assert that 
the return value is zero-extended if it isn't
sign-extended.  It may also be any-extended.
Also, if a floating point value was returned
in a larger floating point type, pass 1 as the
second operand to FP_ROUND, which tells it
that all the precision is in the original type.
I think this is right but I could be wrong.
Finally, when doing libcalls, set isZExt on
a parameter if it is "unsigned".  Currently
isSExt is set when signed, and nothing is
set otherwise.  This should be right for all
calls to standard library routines.

llvm-svn: 47122
 2008-02-14 17:28:50 +00:00
Nate Begeman
1ef1013b6c Change how FP immediates are handled. 
1) ConstantFP is now expand by default
2) ConstantFP is not turned into TargetConstantFP during Legalize
   if it is legal.

This allows ConstantFP to be handled like Constant, allowing for 
targets that can encode FP immediates as MachineOperands.

As a bonus, fix up Itanium FP constants, which now correctly match,
and match more constants!  Hooray.

llvm-svn: 47121
 2008-02-14 08:57:00 +00:00
Tanya Lattner
df7da98f55 Remove llvm-upgrade 
llvm-svn: 47119
 2008-02-14 07:57:12 +00:00
Nate Begeman
8352abdd98 Support a new type of MachineOperand, MO_FPImmediate, used for holding 
FP Immediates, crazily enough

llvm-svn: 47117
 2008-02-14 07:39:30 +00:00
Chris Lattner
5005b4d0d8 simplify code, no functionality change. 
llvm-svn: 47116
 2008-02-14 07:39:01 +00:00
Nate Begeman
5d61361bb9 Move some useful operands up into the all-targets .td 
llvm-svn: 47115
 2008-02-14 07:25:46 +00:00
Nate Begeman
929fd03fbe Nuke dead comment 
llvm-svn: 47114
 2008-02-14 07:23:11 +00:00
Nick Lewycky
12098ea401 Testcase for PR2032. 
llvm-svn: 47113
 2008-02-14 07:15:11 +00:00
Nick Lewycky
0dd6ce5d3a Fix PR2032. Inform the alias analysis of changes to the underlying program. 
llvm-svn: 47111
 2008-02-14 07:11:24 +00:00
Tanya Lattner
f37f44f9ec Remove llvm-upgrade. 
llvm-svn: 47110
 2008-02-14 06:56:27 +00:00
Chris Lattner
b714906acf upgrade some entries, remove stuff that is done. 
llvm-svn: 47109
 2008-02-14 06:19:02 +00:00
Chris Lattner
037aa64987 the mid-level optimizer removes this stuff. 
llvm-svn: 47108
 2008-02-14 05:43:18 +00:00
Chris Lattner
10dc770a36 this one is easy. 
llvm-svn: 47107
 2008-02-14 05:41:38 +00:00
Chris Lattner
d696c25db5 This readme entry is done, testcase here: CodeGen/X86/zero-remat.ll 
llvm-svn: 47106
 2008-02-14 05:39:46 +00:00
Nick Lewycky
e6e0cdd2dc PR2027, Fix bugpoint's -find-bugs option, clean up the code. 
llvm-svn: 47105
 2008-02-14 05:01:46 +00:00
Evan Cheng
cbbcb3144d Fix test. 
llvm-svn: 47102
 2008-02-14 01:32:53 +00:00
Dan Gohman
83374c9be5 Allow the APInt form of ComputeMaskedBits to operate on i128 types. 
llvm-svn: 47101
 2008-02-13 23:13:32 +00:00
Dan Gohman
737856bd0d Assigning an APInt to 0 with plain assignment gives it a one-bit 
size. Initialize these APInts to properly-sized zero values.

llvm-svn: 47099
 2008-02-13 23:07:24 +00:00
Dan Gohman
a5ad7ff23b Avoid setting bits that aren't demanded. 
llvm-svn: 47098
 2008-02-13 22:43:25 +00:00
Dan Gohman
5562e340b7 Fix a typo in a comment. 
llvm-svn: 47097
 2008-02-13 22:32:12 +00:00
Dan Gohman
99b38405e3 Simplify some logic in ComputeMaskedBits. And change ComputeMaskedBits 
to pass the mask APInt by value, not by reference. 

llvm-svn: 47096
 2008-02-13 22:28:48 +00:00
Devang Patel
38de2d11a5 A loop latch phi node may have uses inside loop, not just in loop header. 
llvm-svn: 47093
 2008-02-13 22:23:07 +00:00
Dan Gohman
588498082a Rename APInt's isPositive to isNonNegative, to reflect what it 
actually does.

llvm-svn: 47090
 2008-02-13 22:09:18 +00:00
Devang Patel
1e71afe2df While moving exit condition, do not drop loop latch on the floor. 
llvm-svn: 47089
 2008-02-13 22:06:36 +00:00
Dan Gohman
d22101a970 Add countTrailingOnes member functions to APInt. 
llvm-svn: 47086
 2008-02-13 21:11:05 +00:00
Dan Gohman
547ea0a60d Fix a typo in a comment. 
llvm-svn: 47085
 2008-02-13 20:56:53 +00:00
Dan Gohman
2181ea3b6c Add count{Leading,Trailing}Ones_{32,64} functions with simple implementations. 
llvm-svn: 47084
 2008-02-13 20:54:54 +00:00
Devang Patel
d48bbbf07b Keep track of exit value operand number when operands are swapped. 
llvm-svn: 47082
 2008-02-13 19:48:48 +00:00
Nicolas Geoffray
72fa78e195 Enable exception handling int JIT 
llvm-svn: 47079
 2008-02-13 18:39:37 +00:00
Dale Johannesen
cc4f128930 New test, see comments. 
llvm-svn: 47078
 2008-02-13 18:36:48 +00:00
Duncan Sands
2e9661573f Teach LegalizeTypes how to expand and promote CTLZ, 
CTTZ and CTPOP.  The expansion code differs from
that in LegalizeDAG in that it chooses to take the
CTLZ/CTTZ count from the Hi/Lo part depending on
whether the Hi/Lo value is zero, not on whether
CTLZ/CTTZ of Hi/Lo returned 32 (or whatever the
width of the type is) for it.  I made this change
because the optimizers may well know that Hi/Lo
is zero and exploit it.  The promotion code for
CTTZ also differs from that in LegalizeDAG: it
uses an "or" to get the right result when the
original value is zero, rather than using a compare
and select.  This also means the value doesn't
need to be zero extended.

llvm-svn: 47075
 2008-02-13 18:01:53 +00:00
Chris Lattner
e1cbaa3334 gcc 3.2.3 is also bad. 
llvm-svn: 47073
 2008-02-13 17:50:24 +00:00
Chris Lattner
80b3a56774 Fix the PPC JIT regressions by encoding zeroreg as 0 for BLR. 
llvm-svn: 47067
 2008-02-13 17:24:14 +00:00
Chris Lattner
c16c85444c remove some dead code. 
llvm-svn: 47066
 2008-02-13 17:18:26 +00:00
Devang Patel
8190e4fbe0 Remove use of ltdl 
llvm-svn: 47065
 2008-02-13 17:11:39 +00:00