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Author SHA1 Message Date
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
Bruno Cardoso Lopes
7099d40968 MulOp is actually a Mips specific node, so do the match using Opcode. This fixes PR6192 
llvm-svn: 94977
 2010-02-01 12:16:39 +00:00
Zhongxing Xu
e075bd78c6 Add an immutable interval map, prepared to be used by flat memory model 
in the analyzer. WIP.

llvm-svn: 94976
 2010-02-01 10:43:31 +00:00
Sean Callanan
ad75f823d7 Whoops, left some debugging code in that broke 
a buildbot.  Removed.

llvm-svn: 94975
 2010-02-01 09:02:24 +00:00
Sean Callanan
e860736826 Added the enhanced disassembly library's implementation and 
fleshed out the .exports file.  I still have to fix several
details of operand parsing, but the basic functionality is
there and usable.

llvm-svn: 94974
 2010-02-01 08:49:35 +00:00
Zhongxing Xu
f9abfaa0c2 Simplify code. We can compare TNew with T in one batch. 
llvm-svn: 94973
 2010-02-01 07:32:52 +00:00
Evan Cheng
dcc1816642 Undo r94946 now all the tests are passing again. 
llvm-svn: 94970
 2010-02-01 02:13:39 +00:00
Bruno Cardoso Lopes
2a49e86448 Fix stack size bug while using o32 abi 
llvm-svn: 94969
 2010-02-01 02:03:24 +00:00
Johnny Chen
15f2bf96d8 For MVNr and MVNs, we need to set Inst{25} = 0 so as not to confuse the decoder. 
llvm-svn: 94955
 2010-01-31 11:22:28 +00:00
Evan Cheng
e86a191862 Change TAILJMP's to be varargs and transfer implicit uses over from TCRETURN's. Otherwise the missing uses can make post-regalloc scheduling do bad things. This fixes 403.gcc. 
llvm-svn: 94950
 2010-01-31 07:28:44 +00:00
Evan Cheng
c3c18b9fe9 Fix a missing check from my last commit. 
llvm-svn: 94949
 2010-01-31 07:27:31 +00:00
Evan Cheng
b5f97d871c Avoid recursive sibcall's. 
llvm-svn: 94946
 2010-01-31 06:44:49 +00:00
Eli Friedman
28884d637b Remove a completed item, add a couple new ones. 
llvm-svn: 94945
 2010-01-31 04:55:32 +00:00
Eli Friedman
0babc63336 Remove test which is no longer relevant. 
llvm-svn: 94944
 2010-01-31 04:40:45 +00:00
Eli Friedman
19c5c57885 Simplify/generalize the xor+add->sign-extend instcombine. 
llvm-svn: 94943
 2010-01-31 04:29:12 +00:00
Eli Friedman
58c7936637 Add a small transform: transform -(X<<Y) to (-X<<Y) when the shift has a single 
use and X is free to negate.

llvm-svn: 94941
 2010-01-31 02:30:23 +00:00
Sean Callanan
5458663492 Moved InstallLexer() from the X86-specific AsmLexer 
to the TargetAsmLexer class so that clients can
actually use the TargetAsmLexer they get from a
Target.

llvm-svn: 94940
 2010-01-31 02:28:18 +00:00
Evan Cheng
c2f3c20680 Do not mark no-return calls tail calls. It'll screw up special calls like longjmp and it doesn't make much sense for performance reason. If my logic is faulty, please let me know. 
llvm-svn: 94937
 2010-01-31 00:59:31 +00:00
Bruno Cardoso Lopes
dcd6d1450f Fix PR6144. Reload GP before the emission of CALLSEQ_END to guarantee the right reload order 
llvm-svn: 94915
 2010-01-30 18:32:07 +00:00
Bruno Cardoso Lopes
a82b8ade4d Fix mov.d out register by using the FFR register class directly 
llvm-svn: 94914
 2010-01-30 18:29:19 +00:00
Anton Korobeynikov
f7651ec593 Fix a gross typo: ARMv6+ may or may not support unaligned memory operations. 
Even if they are suported by the core, they can be disabled
(this is just a configuration bit inside some register).

Allow unaligned memops on darwin and conservatively disallow them otherwise.

llvm-svn: 94889
 2010-01-30 14:08:12 +00:00
Bob Wilson
0f04082970 Check alignment of loads when deciding whether it is safe to execute them 
unconditionally.  Besides checking the offset, also check that the underlying
object is aligned as much as the load itself.

llvm-svn: 94875
 2010-01-30 04:42:39 +00:00
Evan Cheng
40ae22e14d Allow more tailcall optimization: calls with inputs that are all passed in registers. 
llvm-svn: 94873
 2010-01-30 01:22:00 +00:00
Evan Cheng
5acba193ef Don't forget to transfer target flag when inserting a tailcall instruction. 
llvm-svn: 94872
 2010-01-30 01:16:15 +00:00
Devang Patel
70713c75da Emit declaration DIE for the class static variables. 
llvm-svn: 94870
 2010-01-30 01:08:30 +00:00
Daniel Dunbar
23e8bc782c MC/X86 AsmParser: Handle absolute memory operands correctly. We were doing 
something totally broken and parsing them as immediates, but the .td file also
had the wrong match class so things sortof worked. Except, that is, that we
would parse
  movl $0, %eax
as
  movl 0, %eax
Feel free to guess how well that worked.

llvm-svn: 94869
 2010-01-30 01:02:48 +00:00
Daniel Dunbar
0016281dc2 AsmMatcher: Create operand classes before use, apparently records aren't visited 
in the order they were declared.

llvm-svn: 94868
 2010-01-30 01:02:37 +00:00
Dale Johannesen
9774a29dc0 Fix a case where debug_value could affect codegen. 
llvm-svn: 94866
 2010-01-30 00:57:47 +00:00