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Author SHA1 Message Date
Duncan Sands
364e9510fb Adding missing methods for creating Add, Mul, Neg and Sub with NUW. 
llvm-svn: 95086
 2010-02-02 12:53:04 +00:00
Zhongxing Xu
2f90f25c13 Return value on every path. 
llvm-svn: 95075
 2010-02-02 07:05:31 +00:00
Zhongxing Xu
c41eb88823 simplify code. 
llvm-svn: 95074
 2010-02-02 06:33:32 +00:00
Zhongxing Xu
107fc8962f More logic correction: RemoveOverlap should always create new tree. Add a 
parameter to record whether changes actually happened.

llvm-svn: 95073
 2010-02-02 06:22:08 +00:00
Zhongxing Xu
7c9608096b Add a lookup method to the IntervalMap. The difference from the original 
lookup is that if the lookup key is contained in the key, we return the data.

llvm-svn: 95070
 2010-02-02 05:23:23 +00:00
Devang Patel
59e8b027b8 Apparently gdb is not amused by empty lines in pubtypes section. 
llvm-svn: 95064
 2010-02-02 03:47:27 +00:00
Devang Patel
38cf687622 NULL terminate name in pubtypes sections. 
llvm-svn: 95062
 2010-02-02 03:37:03 +00:00
Chris Lattner
9f50341a96 don't turn (A & (C0?-1:0)) | (B & ~(C0?-1:0)) -> C0 ? A : B 
for vectors.  Codegen is generating awful code or segfaulting
in various cases (e.g. PR6204).

llvm-svn: 95058
 2010-02-02 02:43:51 +00:00
Zhongxing Xu
007e05dce7 Fix a bunch of errors in the old logic. 
llvm-svn: 95056
 2010-02-02 02:40:56 +00:00
Chris Lattner
e471d94f91 fix a crash in loop unswitch on a loop invariant vector condition. 
llvm-svn: 95055
 2010-02-02 02:26:54 +00:00
Chris Lattner
5371fc3f06 remove an unreduced testcase, rename another. 
llvm-svn: 95054
 2010-02-02 02:23:37 +00:00
Evan Cheng
fac0fdc6a0 Perform sibcall in some cases when arguments are passes memory. Look for cases 
where callee's arguments are already in the caller's own caller's stack and
they line up perfectly. e.g.

extern int foo(int a, int b, int c);

int bar(int a, int b, int c) {
  return foo(a, b, c);
}

llvm-svn: 95053
 2010-02-02 02:22:50 +00:00
Sean Callanan
269ee798c8 Removed an unnecessary class from the EDDisassembler 
implementation.  Also made sure that the register maps
were created during disassembler initialization.

llvm-svn: 95051
 2010-02-02 02:18:20 +00:00
Dale Johannesen
a20fc3d1a9 Make local RA smarter about reusing input register of a copy 
as output.  Needed for (functional) correctness in inline asm,
and should be generally beneficial.  7361612.

llvm-svn: 95050
 2010-02-02 02:08:02 +00:00
Zhongxing Xu
fa062ef731 11.8p1: A nested class is a member and as such has the same access rights as 
any other member.

llvm-svn: 95047
 2010-02-02 01:57:01 +00:00
Dan Gohman
95e0161d1b LangRef.html says that inttoptr and ptrtoint always use zero-extension 
when the cast is extending.

llvm-svn: 95046
 2010-02-02 01:44:02 +00:00
Dan Gohman
dd6702be8f Factor out alignof expression folding into a separate function and 
generalize it to handle more cases.

llvm-svn: 95045
 2010-02-02 01:41:39 +00:00
Dan Gohman
3343d0615b Various code simplifications. 
llvm-svn: 95044
 2010-02-02 01:38:49 +00:00
Daniel Dunbar
9aad068bba Update CMake. 
llvm-svn: 95041
 2010-02-02 01:12:20 +00:00
Eric Christopher
02559754dc Don't need to check the last argument since it'll always be bool. We also 
don't use TargetData here.

llvm-svn: 95040
 2010-02-02 00:51:45 +00:00
Eric Christopher
48f2aae32f More indentation/tabification fixes. 
llvm-svn: 95036
 2010-02-02 00:13:06 +00:00
Eric Christopher
1004836336 Untabify previous commit. 
llvm-svn: 95035
 2010-02-02 00:06:55 +00:00
Sean Callanan
d41b7acd7a Changed to Chris Lattner's suggested approach, which 
merely stubs out the blocks-based disassembly functions
if the library wasn't built with blocks, which allows a
constant .exports file and also properly deals with
situations in which the compiler used to build a client
is different from the compiler used to build the library.

llvm-svn: 95034
 2010-02-02 00:04:46 +00:00
Nate Begeman
4d489ea053 Kill the Mach-O writer, and temporarily make filetype=obj an error. 
The MCStreamer based assemblers will take over for this functionality.

llvm-svn: 95033
 2010-02-01 23:56:58 +00:00
Sean Callanan
69ecef0859 Fix for builds with separate source and build 
directories (like, oh, say, any multistage build)

llvm-svn: 95028
 2010-02-01 23:27:57 +00:00
Eric Christopher
9e9e599070 Formatting. 
llvm-svn: 95027
 2010-02-01 23:25:03 +00:00
Johnny Chen
cab2ca005d MOVi16 should also be marked as a UnaryDP instruction, i.e., it doesn't have a 
Rn operand.

llvm-svn: 95025
 2010-02-01 23:06:04 +00:00
Sean Callanan
25ef2910a9 Updated to use the proper .exports file for the 
target platform, depending on whether the target
supports the blocks API or not

llvm-svn: 95024
 2010-02-01 23:01:38 +00:00
Bill Wendling
8a000012f2 Add "dump" method to IVUsersOneStride. 
llvm-svn: 95022
 2010-02-01 22:51:23 +00:00
Dale Johannesen
893435a736 Testcase for 94996 (PR 6157) 
llvm-svn: 95021
 2010-02-01 22:46:05 +00:00
Evan Cheng
efa391da81 Fix PR6196. GV callee may not be a function. 
llvm-svn: 95017
 2010-02-01 22:40:09 +00:00
Evan Cheng
b91a142542 Add test case for 95013. 
llvm-svn: 95014
 2010-02-01 22:32:42 +00:00
Mon P Wang
65b01b6ce7 Improve EXTRACT_VECTOR_ELT patch based on comments from Duncan 
llvm-svn: 95012
 2010-02-01 22:15:09 +00:00
Sean Callanan
ba52e5e86a Rollback on including blocks functionality in .exports 
because some platforms don't support blocks and then
break because the symbols aren't present

llvm-svn: 95011
 2010-02-01 21:57:50 +00:00
Bob Wilson
1f966e8ca6 Add an option to GVN to remove all partially redundant loads. This is currently 
disabled by default.  This divides the existing load PRE code into 2 phases:
first it checks that it is safe to move the load to each of the predecessors
where it is unavailable, and then if it is safe, the code is changed to move
the load.  Radar 7571861.

llvm-svn: 95007
 2010-02-01 21:17:14 +00:00
Duncan Sands
4db1f01c24 Do an early exit when the result is known cheaply. 
llvm-svn: 95002
 2010-02-01 20:57:35 +00:00
Chris Lattner
af2e10ddef eliminate a bunch of pointless LLVMContext arguments. 
llvm-svn: 95001
 2010-02-01 20:48:08 +00:00
Duncan Sands
6737709951 Fix typo "of" -> "or" and change the way a line was formatted to fit 
into 80 columns to match my artistic preferences.

llvm-svn: 95000
 2010-02-01 20:42:02 +00:00
Chris Lattner
18e6b4eb6b fix PR6195, a bug constant folding scalar -> vector compares. 
llvm-svn: 94997
 2010-02-01 20:04:40 +00:00
Dale Johannesen
1483e87700 fix PR 6157. Testcase pending. 
llvm-svn: 94996
 2010-02-01 19:54:53 +00:00
Chris Lattner
333bf5abf5 cleanups. 
llvm-svn: 94995
 2010-02-01 19:54:45 +00:00
Chris Lattner
8e4042108e fix PR6197 - infinite recursion in ipsccp due to block addresses 
evaluateICmpRelation wasn't handling blockaddress.

llvm-svn: 94993
 2010-02-01 19:35:08 +00:00
Mon P Wang
f9fa3aa2c0 Fixed a couple of optimization with EXTRACT_VECTOR_ELT that assumes the result 
type is the same as the element type of the vector.  EXTRACT_VECTOR_ELT can
be used to extended the width of an integer type.  This fixes a bug for
Generic/vector-casts.ll on a ppc750.

llvm-svn: 94990
 2010-02-01 19:03:18 +00:00
Dan Gohman
7b3c210a47 Update this test for a trivial register allocation difference. 
llvm-svn: 94989
 2010-02-01 19:00:32 +00:00
Dan Gohman
0b2c2769ba Generalize target-independent folding rules for sizeof to handle more 
cases, and implement target-independent folding rules for alignof and
offsetof. Also, reassociate reassociative operators when it leads to
more folding.

Generalize ScalarEvolution's isOffsetOf to recognize offsetof on
arrays. Rename getAllocSizeExpr to getSizeOfExpr, and getFieldOffsetExpr
to getOffsetOfExpr, for consistency with analagous ConstantExpr routines.

Make the target-dependent folder promote GEP array indices to
pointer-sized integers, to make implicit casting explicit and exposed
to subsequent folding.

And add a bunch of testcases for this new functionality, and a bunch
of related existing functionality.

llvm-svn: 94987
 2010-02-01 18:27:38 +00:00
Chris Lattner
5f10919836 fix rdar://7590304, a miscompilation of objc apps on arm. The caller 
of objc message send was getting marked arm_apcscc, but the prototype
isn't.  This is fine at runtime because objcmsgsend is implemented in
assembly.  Only turn a mismatched caller and callee into 'unreachable'
if the callee is a definition.

llvm-svn: 94986
 2010-02-01 18:11:34 +00:00
Chris Lattner
a336497d3f fix rdar://7590304, an infinite loop in instcombine. In the invoke 
case, instcombine can't zap the invoke for fear of changing the CFG.
However, we have to do something to prevent the next iteration of
instcombine from inserting another store -> undef before the invoke
thereby getting into infinite iteration between dead store elim and
store insertion.

Just zap the callee to null, which will prevent the next iteration
from doing anything.

llvm-svn: 94985
 2010-02-01 18:04:58 +00:00
Bob Wilson
8207d33d94 Fix pr6198 by moving the isSized() check to an outer conditional. 
The testcase from pr6198 does not crash for me -- I don't know what's up with
that -- so I'm not adding it to the tests.

llvm-svn: 94984
 2010-02-01 17:41:44 +00:00
Dan Gohman
d1d30c5ec2 Add a getNUWMul function. 
llvm-svn: 94982
 2010-02-01 16:38:14 +00:00
Dan Gohman
9026a494ae Add a generalized form of ConstantExpr::getOffsetOf which works for 
array types as well as struct types, and which accepts arbitrary
Constant indicies.  

llvm-svn: 94981
 2010-02-01 16:37:38 +00:00