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6356 Commits

Author SHA1 Message Date
Devang Patel
aae784581e Fix typo. Add const version of getAggregateValue() accessor member function. 
llvm-svn: 47386
 2008-02-20 18:36:16 +00:00
Dan Gohman
48d03d5a2d Add explicit keywords. 
llvm-svn: 47382
 2008-02-20 16:44:09 +00:00
Dan Gohman
00fed8a97e Add an intersects method to APInt, to capture a common idiom. 
llvm-svn: 47379
 2008-02-20 16:08:11 +00:00
Anton Korobeynikov
9c87c6526e Add 'sink' cmdline option. Patch by Mikhail Glushenkov! 
llvm-svn: 47377
 2008-02-20 12:38:07 +00:00
Anton Korobeynikov
c41f5b6af4 Fix newly-introduced 4.3 warnings 
llvm-svn: 47375
 2008-02-20 12:07:57 +00:00
Anton Korobeynikov
b2dfae5fed And final pack of warnings silencing 
llvm-svn: 47372
 2008-02-20 11:27:04 +00:00
Anton Korobeynikov
7dd00942cc Update gcc 4.3 warnings fix patch with recent head changes 
llvm-svn: 47368
 2008-02-20 11:10:28 +00:00
Anton Korobeynikov
0c5e186924 Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
llvm-svn: 47367
 2008-02-20 11:08:44 +00:00
Bill Wendling
becea18656 Fixed typo. 
llvm-svn: 47365
 2008-02-20 09:14:09 +00:00
Bill Wendling
9a2a1ddf6e More constification of things. More comments added. No functionality 
changes. (Sorry for any formatting changes that creeped in.)

llvm-svn: 47362
 2008-02-20 07:36:31 +00:00
Nick Lewycky
0b6cdd1eff Add 'umax' similar to 'smax' SCEV. Closes PR2003. 
Parse reversed smax and umax as smin and umin and express them with negative
or binary-not SCEVs (which are really just subtract under the hood).

Parse 'xor %x, -1' as (-1 - %x).

Remove dead code (ConstantInt::get always returns a ConstantInt).

Don't use getIntegerSCEV(-1, Ty). The first value is an int, then it gets
passed into a uint64_t. Instead, create the -1 directly from
ConstantInt::getAllOnesValue().

llvm-svn: 47360
 2008-02-20 06:48:22 +00:00
Dan Gohman
28b341cbf5 Add some comments to Intrinsic::getDeclaration to clarify how to 
get declarations for overloaded intrinsics.

llvm-svn: 47353
 2008-02-20 01:07:51 +00:00
Dale Johannesen
7eccf11cfb Add Alignment field to ParameterAttributes and 
treat more or less rationally in interface
functions, subject to change.  No functional change.

llvm-svn: 47352
 2008-02-19 23:51:49 +00:00
Devang Patel
a74d2cbb6f Add GetResultInst. First step for multiple return value support. 
llvm-svn: 47348
 2008-02-19 22:15:16 +00:00
Dale Johannesen
ecb2b233b1 Expand ParameterAttributes to 32 bits (in preparation 
for adding alignment info, not there yet).  Clean up
interfaces to reference ParameterAttributes consistently.

llvm-svn: 47342
 2008-02-19 21:38:47 +00:00
Chris Lattner
ae2f8bc116 remove the LowerSelect pass. The last client was the old Sparc backend, which is long dead by now. 
llvm-svn: 47323
 2008-02-19 07:49:17 +00:00
Chris Lattner
010e9fb704 remove the lower packed pass. It can never work and even the parts that 
could work don't work fully.  This fixes PR1705.  Oh yeah, we don't have
packed types anymore either ;-)

llvm-svn: 47322
 2008-02-19 07:39:17 +00:00
Evan Cheng
bb577266bf - When DAG combiner is folding a bit convert into a BUILD_VECTOR, it should check if it's essentially a SCALAR_TO_VECTOR. Avoid turning (v8i16) <10, u, u, u> to <10, 0, u, u, u, u, u, u>. Instead, simply convert it to a SCALAR_TO_VECTOR of the proper type. 
- X86 now normalize SCALAR_TO_VECTOR to (BIT_CONVERT (v4i32 SCALAR_TO_VECTOR)). Get rid of X86ISD::S2VEC.

llvm-svn: 47290
 2008-02-18 23:04:32 +00:00
Duncan Sands
a85448506d Simplify caller updating using a CallSite, as 
requested by Chris.  While there, do the same
for an existing function committed by someone
called "lattner" :)

llvm-svn: 47273
 2008-02-18 17:32:13 +00:00
Roman Levenstein
a7d4ae1435 New helper function getMBBFromIndex() that given an index in any instruction of an MBB returns a pointer the MBB. Reviewed by Evan. 
llvm-svn: 47267
 2008-02-18 09:35:30 +00:00
Owen Anderson
b0dee942db Add support for setting parameters to CallSite. 
llvm-svn: 47249
 2008-02-18 00:10:55 +00:00
Owen Anderson
48dd6a0f96 Add a predicate to Argument to check for the StructRet attribute. 
llvm-svn: 47248
 2008-02-17 23:22:28 +00:00
Andrew Lenharth
c178981b85 llvm.memory.barrier, and impl for x86 and alpha 
llvm-svn: 47204
 2008-02-16 01:24:58 +00:00
Dan Gohman
a9386d8501 Rename CountMemOperands to ComputeMemOperandsEnd to reflect what 
it actually does. Simplify CountOperands a little by reusing
ComputeMemOperandsEnd. And reword some comments for both.

llvm-svn: 47198
 2008-02-16 00:36:48 +00:00
Scott Michel
3ad0263173 Make tblgen a little smarter about constants smaller than i32. Currently, 
tblgen will complain if a sign-extended constant does not fit into a
data type smaller than i32, e.g., i16. This causes a problem when certain
hex constants are used, such as 0xff for byte masks or immediate xor
values.

tblgen will try the sign-extended value first and, if the sign extended
value would overflow, it tries to see if the unsigned value will fit.
Consequently, a software developer can now safely incant:

	(XORHIr16 R16C:$rA, 0xffff)

which is somewhat clearer and more informative than incanting:

	(XORHIr16 R16C:$rA, (i16 -1))

even if the two are bitwise equivalent.

Tblgen also outputs the 64-bit unsigned constant in the generated ISel code
when getTargetConstant() is invoked.

llvm-svn: 47188
 2008-02-15 23:05:48 +00:00
Evan Cheng
bb357cd8a6 - Removing the infamous r2rMap_ and rep() method. Now the coalescer will update 
register defs and uses after each successful coalescing.
- Also removed a number of hacks and fixed some subtle kill information bugs.

llvm-svn: 47167
 2008-02-15 18:24:29 +00:00
Evan Cheng
2cb3fd8f72 Added CommuteChangesDestination(). This returns true if commuting the specified 
machine instr will change its definition register.

llvm-svn: 47166
 2008-02-15 18:21:33 +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
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
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
Nate Begeman
929fd03fbe Nuke dead comment 
llvm-svn: 47114
 2008-02-14 07:23:11 +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
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
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
Nicolas Geoffray
72fa78e195 Enable exception handling int JIT 
llvm-svn: 47079
 2008-02-13 18:39:37 +00:00
Devang Patel
8190e4fbe0 Remove use of ltdl 
llvm-svn: 47065
 2008-02-13 17:11:39 +00:00
Evan Cheng
9c21fd25f0 Simplify. 
llvm-svn: 47059
 2008-02-13 09:18:16 +00:00
Evan Cheng
d4ddda68fa Initial support for copy elimination by commuting its definition MI. 
PR1877.
A3 = op A2 B0<kill>                                                                                                                                                                            
...                                                                                                                                                                                     
B1 = A3      <- this copy                                                                                                                                                                      
...                                                                                                                                                                                          
   = op A3   <- more uses                                                                                                                                                                      
                                                                                                                                                                                                 
==>                                                                                                                                                                                             
                                                                                                                                                                                            
B2 = op B0 A2<kill>                                                                                                                                                                            
...                                                                                                                                                                                          
B1 = B2      <- now an identify copy                                                                                                                                                           
...                                                                                                                                                                                          
   = op B2   <- more uses

This speeds up FreeBench/neural by 29%, Olden/bh by 12%, oopack_v1p8 by 53%.

llvm-svn: 47046
 2008-02-13 03:01:43 +00:00
Evan Cheng
da24989368 - Added removeValNo() to remove all live ranges of a particular value#. 
- removeRange() can now update value# information.

llvm-svn: 47044
 2008-02-13 02:48:26 +00:00
Evan Cheng
95894280dc Added debugging routine dumpUses. 
llvm-svn: 47042
 2008-02-13 02:45:38 +00:00
Dan Gohman
09023887f8 Convert SelectionDAG::ComputeMaskedBits to use APInt instead of uint64_t. 
Add an overload that supports the uint64_t interface for use by clients
that haven't been updated yet.

llvm-svn: 47039
 2008-02-13 00:35:47 +00:00
Dan Gohman
f65b0b112c Change APInt::getBitsSet to accept a "half-open" range, where the 
hiBit parameter marks the index one past the last desired set bit.

llvm-svn: 47032
 2008-02-12 21:47:33 +00:00
Owen Anderson
274aa2846e Re-apply the patch to improve the optimizations of memcpy's, with several 
bugs fixed.  This now passes PPC bootstrap.

llvm-svn: 47026
 2008-02-12 21:15:18 +00:00
Dan Gohman
3e4b49b4a6 Add a doxygen comment for SrcValueSDNode, to make its purpose 
clear and to clarify how it differs from MemOperandSDNode.

llvm-svn: 47015
 2008-02-12 18:52:52 +00:00
Dan Gohman
b7bbe43ad3 Correct the order of the arguments in the examples in the comments 
for APInt::getBitsSet. And fix an off-by-one bug in "wrapping" mode.

llvm-svn: 46978
 2008-02-11 23:45:14 +00:00
Ted Kremenek
dbef529071 The factories for ImutAVLTree/ImmutableSet/ImmutableMap now take an (optional) 
BumpPtrAllocator argument to their constructors.  This BumpPtrAllocator
will be used to allocate trees.  If no BumpPtrAllocator is provided, one
is created (as before).

llvm-svn: 46975
 2008-02-11 23:11:12 +00:00