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Author SHA1 Message Date
Chris Lattner
dda5ca59e2 Switch GVN and memdep to use PHITransAddr, which correctly handles 
phi translation of complex expressions like &A[i+1].  This has the
following benefits:

1. The phi translation logic is all contained in its own class with
   a strong interface and verification that it is self consistent.

2. The logic is more correct than before.  Previously, if intermediate
   expressions got PHI translated, we'd miss the update and scan for
   the wrong pointers in predecessor blocks.  @phi_trans2 is a testcase
   for this.

3. We have a lot less code in memdep.

We can handle phi translation across blocks of things like @phi_trans3,
which is pretty insane :).

This patch should fix the miscompiles of 255.vortex, and I tested it 
with a bootstrap of llvm-gcc, llvm-test and dejagnu of course.

llvm-svn: 90926
 2009-12-09 01:59:31 +00:00
Evan Cheng
41c13e41fe Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code. 
llvm-svn: 90925
 2009-12-09 01:53:58 +00:00
Devang Patel
d5a8051dea Remove tests that are not suitable anymore. Plus they are not testing the original bugfixes anymore. These tests were inserted to check bug fixes in code that handled debug info intrinsics. These intrinsics are no longer used and now llvm parser simply ignores old .dbg intrinsics from these dead tests. 
llvm-svn: 90923
 2009-12-09 01:46:00 +00:00
Evan Cheng
7941695285 Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes. 
llvm-svn: 90922
 2009-12-09 01:36:00 +00:00
Chris Lattner
9c2474e272 fix a nasty variable that was shadowing the real CurBB but with the wrong value. 
llvm-svn: 90920
 2009-12-09 01:19:16 +00:00
Evan Cheng
ad75af2aa2 Infer alignment for non-fixed stack object. 
llvm-svn: 90919
 2009-12-09 01:17:24 +00:00
Evan Cheng
293ec7b394 Add const qualifier. 
llvm-svn: 90918
 2009-12-09 01:10:37 +00:00
Evan Cheng
b925774a74 Refactor InferAlignment out of DAGCombine. 
llvm-svn: 90917
 2009-12-09 01:04:59 +00:00
Chris Lattner
3211af28ba fix many input tracking bugs. 
llvm-svn: 90915
 2009-12-09 00:56:14 +00:00
Chris Lattner
26c6e3ba7d when opt crashes, print its command line arguments as a pretty stack trace. 
Somehow opt was missed when this was added.

llvm-svn: 90912
 2009-12-09 00:41:28 +00:00
Dan Gohman
ed3d370a10 Fix a typo in a comment, and adjust SmallSet and SmallVector sizes, 
that Chris noticed.

llvm-svn: 90910
 2009-12-09 00:28:42 +00:00
Chris Lattner
c457aaea0d fix PHI translation to take the PHI out of the instinputs set and add 
the translated value back to it if an instruction.

llvm-svn: 90909
 2009-12-09 00:18:13 +00:00
Chris Lattner
b0d20540ad instructions defined in CurBB may be intermediate nodes of the computation. 
llvm-svn: 90908
 2009-12-09 00:10:55 +00:00
Chris Lattner
83cb0b1450 add dumping and sanity checking support. 
llvm-svn: 90906
 2009-12-09 00:01:00 +00:00
Dan Gohman
2d7d4fb9a6 Put a threshold on the number of users PointerMayBeCaptured 
examines; fall back to a conservative answer if there are
more. This works around some several compile time problems
resulting from BasicAliasAnalysis calling PointerMayBeCaptured.

The value has been chosen arbitrarily.

This fixes rdar://7438917 and may partially address PR5708.

llvm-svn: 90905
 2009-12-08 23:59:12 +00:00
Chris Lattner
604cebbfc1 make sure that PHITransAddr keeps its 'InstInputs' list up to 
date when instsimplify kicks in.

llvm-svn: 90901
 2009-12-08 23:42:51 +00:00
Devang Patel
11874672da Revert 90858 90875 and 90805 for now. 
llvm-svn: 90898
 2009-12-08 23:21:45 +00:00
Evan Cheng
edcc21919f - Support inline asm 'w' constraint for 128-bit vector types. 
- Also support the 'q' NEON registers asm code.

llvm-svn: 90894
 2009-12-08 23:06:22 +00:00
Daniel Dunbar
ea0c099b04 lit: Prevent crash-on-invalid (when run on directory which has no test suite). 
llvm-svn: 90871
 2009-12-08 19:49:30 +00:00
Daniel Dunbar
1b05b09ba4 CMake/lit: Add llvm_{unit_,}site_config parameters, and always pass them when running tests from the project files. 
llvm-svn: 90869
 2009-12-08 19:47:36 +00:00
Evan Cheng
522b98d737 Revert 90789 for now. It caused massive compile time regression. Post-ra scheduler slowed down dramatically with this. 
llvm-svn: 90868
 2009-12-08 19:34:53 +00:00
Bob Wilson
04cc375a1a Some superficial cleanups. 
llvm-svn: 90866
 2009-12-08 18:27:03 +00:00
Bob Wilson
d673b32280 Clean up dead operands left around after SROA replaces a mem intrinsic. 
I'm not aware that this does anything significant on its own, but it's
needed for another patch that I'm working on.

llvm-svn: 90864
 2009-12-08 18:22:03 +00:00
Devang Patel
5905a705fe Cleanup. 
There is no need to supply ModuleCU to addType() as a parameter.

llvm-svn: 90858
 2009-12-08 15:31:31 +00:00
Devang Patel
cb39ef375f Do not try to push dead variable's debug info into namespace info. 
llvm-svn: 90857
 2009-12-08 15:01:35 +00:00
Benjamin Kramer
2d6d1651cf Remove useless calls to c_str(). 
llvm-svn: 90855
 2009-12-08 13:07:38 +00:00
Duncan Sands
897f9579d6 Teach GlobalOpt to delete aliases with internal linkage (after 
forwarding any uses).  GlobalDCE can also do this, but is only
run at -O3.

llvm-svn: 90850
 2009-12-08 10:10:20 +00:00
Chris Lattner
8cc673c6a0 fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not 
side-effect the current object.

llvm-svn: 90837
 2009-12-08 06:06:26 +00:00
Nick Lewycky
5a00cea348 Remove unnecessary #include "llvm/LLVMContext.h". 
llvm-svn: 90836
 2009-12-08 05:45:41 +00:00
Chris Lattner
acc9c4f542 whitespace cleanup 
llvm-svn: 90834
 2009-12-08 05:31:46 +00:00
Oscar Fuentes
bb3243a706 Removed VC++ compatibility code from DataTypes.h.in. 
This header file is not used on VC++ builds.

llvm-svn: 90829
 2009-12-08 02:49:54 +00:00
Oscar Fuentes
7c94e1aa2a For VC++, define the ?INT*_C macros only it they are not yet defined. 
Some compatibility updates like the Boost TR1 compatibility headers
define them.

Patch contributed by OvermindDL1!

llvm-svn: 90828
 2009-12-08 02:40:09 +00:00
Anton Korobeynikov
0ace515a4c Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas! 
llvm-svn: 90819
 2009-12-08 01:03:04 +00:00
Evan Cheng
58a787bc55 Watch out for duplicated PHI instructions. 
llvm-svn: 90816
 2009-12-07 23:11:03 +00:00
Evan Cheng
fe32f969cd Follow up to 90488. Turn a check into an assertion. 
llvm-svn: 90815
 2009-12-07 23:10:34 +00:00
Jeffrey Yasskin
d9047c44e4 Fix the OProfileJITEventListener for StringRef being returned from debug info. 
llvm-svn: 90813
 2009-12-07 22:32:38 +00:00
Victor Hernandez
f5143485fa Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic() 
llvm-svn: 90807
 2009-12-07 21:54:43 +00:00
Devang Patel
e59f4f7204 Add support to emit debug info for c++ style namespaces. 
llvm-svn: 90805
 2009-12-07 21:41:32 +00:00
Evan Cheng
72c07bfcad Delete code accidentally left behind. 
llvm-svn: 90804
 2009-12-07 21:19:33 +00:00
Chris Lattner
3d338590d6 fix typo 
llvm-svn: 90793
 2009-12-07 19:52:57 +00:00
Chris Lattner
9ed7e3ffb9 add accessor, improve comment. 
llvm-svn: 90792
 2009-12-07 19:45:30 +00:00
Evan Cheng
433b8a8753 Test case for 90787. 
llvm-svn: 90791
 2009-12-07 19:42:22 +00:00
David Greene
73ad44c6b6 Use FileCheck and set nounwind on calls. 
llvm-svn: 90790
 2009-12-07 19:40:26 +00:00
Dan Gohman
b52be9ecc4 Apply Pekka Jääskeläinen's patch to raise the first virtual register 
number in order to accomodate targets with more than 1024 registers.

llvm-svn: 90789
 2009-12-07 19:38:26 +00:00
Victor Hernandez
2a16652946 Introduce the "@llvm.dbg.value" debug intrinsic. 
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
 2009-12-07 19:36:34 +00:00
Mikhail Glushenkov
f4370545f2 Simplify a bit. 
llvm-svn: 90785
 2009-12-07 19:16:13 +00:00
Mikhail Glushenkov
8fc2b0daed Throw 'const char*' instead of 'std::string'. 
llvm-svn: 90784
 2009-12-07 19:15:57 +00:00
Chris Lattner
233d9bf82d add support for phi translation and incorpation of new expression. 
llvm-svn: 90782
 2009-12-07 19:04:49 +00:00
Dan Gohman
44e25ed254 Don't enable the post-RA scheduler on x86 except at -O3. In its 
current form, it is too expensive in compile time.

llvm-svn: 90781
 2009-12-07 19:04:31 +00:00
Chris Lattner
0a810a827f checkpoint of the new PHITransAddr code, still not done and not used by 
anything.

llvm-svn: 90779
 2009-12-07 18:36:53 +00:00