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03f17da4da
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34338 Commits

Author SHA1 Message Date
Chris Lattner
03f17da4da change AnalyzeLoadFromClobberingWrite and clients to pass in type 
and pointer instead of the load.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:34:10 +00:00
Chris Lattner
dad451cb7c enhance NonLocalDepEntry to keep the per-block phi translated address 
of the query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90958 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:31:04 +00:00
Daniel Dunbar
022840e960 DeltaAlgorithm: Add a virtual destructor and home. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90957 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:19:48 +00:00
Chris Lattner
e18b97121c change NonLocalDepEntry from being a typedef for an std::pair to be its 
own small class.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90956 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 07:08:01 +00:00
Lang Hames
6194569d22 Added a new "splitting" spiller. 
When a call is placed to spill an interval this spiller will first try to
break the interval up into its component values. Single value intervals and
intervals which have already been split (or are the result of previous splits)
are spilled by the default spiller.

Splitting intervals as described above may improve the performance of generated
code in some circumstances. This work is experimental however, and it still
miscompiles many benchmarks. It's not recommended for general use yet.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90951 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 05:39:12 +00:00
Daniel Dunbar
164c7ba0ef Remove spurious extern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90937 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 03:26:33 +00:00
Chris Lattner
b3f927f6dd add some aborts to #if 0's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90929 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 02:41:54 +00:00
Chris Lattner
05e15f8897 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90926 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:59:31 +00:00
Evan Cheng
7bd6478cd6 Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:53:58 +00:00
Evan Cheng
64fa4a9584 Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:36:00 +00:00
Chris Lattner
d632988eea fix a nasty variable that was shadowing the real CurBB but with the wrong value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90920 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:19:16 +00:00
Evan Cheng
de2ace1758 Infer alignment for non-fixed stack object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:17:24 +00:00
Evan Cheng
7ced2e0b30 Add const qualifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90918 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:10:37 +00:00
Evan Cheng
f2dc5c785d Refactor InferAlignment out of DAGCombine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 01:04:59 +00:00
Chris Lattner
6200e53f55 fix many input tracking bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90915 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:56:14 +00:00
Dan Gohman
686abbb1eb Fix a typo in a comment, and adjust SmallSet and SmallVector sizes, 
that Chris noticed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90910 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:28:42 +00:00
Chris Lattner
e09e98c2de fix PHI translation to take the PHI out of the instinputs set and add 
the translated value back to it if an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90909 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:18:13 +00:00
Chris Lattner
af50315a29 instructions defined in CurBB may be intermediate nodes of the computation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:10:55 +00:00
Chris Lattner
7dedbf4ce3 add dumping and sanity checking support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90906 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 00:01:00 +00:00
Dan Gohman
8456d60bec 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90905 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:59:12 +00:00
Chris Lattner
43678f41a3 make sure that PHITransAddr keeps its 'InstInputs' list up to 
date when instsimplify kicks in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:42:51 +00:00
Devang Patel
0000fadb00 Revert 90858 90875 and 90805 for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90898 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:21:45 +00:00
Evan Cheng
d831cda3e7 - Support inline asm 'w' constraint for 128-bit vector types. 
- Also support the 'q' NEON registers asm code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 23:06:22 +00:00
Bob Wilson
65ab34f3f2 Some superficial cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 18:27:03 +00:00
Bob Wilson
78c50b8cd6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90864 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 18:22:03 +00:00
Devang Patel
a3a60c6c49 Cleanup. 
There is no need to supply ModuleCU to addType() as a parameter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90858 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 15:31:31 +00:00
Devang Patel
018b66038c Do not try to push dead variable's debug info into namespace info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90857 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 15:01:35 +00:00
Benjamin Kramer
69cee6151d Remove useless calls to c_str(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90855 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 13:07:38 +00:00
Duncan Sands
7a154cf228 Teach GlobalOpt to delete aliases with internal linkage (after 
forwarding any uses).  GlobalDCE can also do this, but is only
run at -O3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90850 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 10:10:20 +00:00
Chris Lattner
34f849098b fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not 
side-effect the current object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 06:06:26 +00:00
Nick Lewycky
87f8e49027 Remove unnecessary #include "llvm/LLVMContext.h". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90836 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 05:45:41 +00:00
Chris Lattner
399ac530d6 whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 05:31:46 +00:00
Anton Korobeynikov
9aa1ec87b0 Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-08 01:03:04 +00:00
Evan Cheng
3a41ddb1b9 Watch out for duplicated PHI instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90816 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 23:11:03 +00:00
Evan Cheng
d8f079c25e Follow up to 90488. Turn a check into an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90815 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 23:10:34 +00:00
Jeffrey Yasskin
13027640e8 Fix the OProfileJITEventListener for StringRef being returned from debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90813 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 22:32:38 +00:00
Victor Hernandez
c59b33562c Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90807 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 21:54:43 +00:00
Devang Patel
4063f6bcc7 Add support to emit debug info for c++ style namespaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 21:41:32 +00:00
Evan Cheng
80564f761a Delete code accidentally left behind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90804 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 21:19:33 +00:00
Chris Lattner
6045417fcc fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90793 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:52:57 +00:00
Chris Lattner
e05a188cd6 add accessor, improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90792 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:45:30 +00:00
Victor Hernandez
2f9dac721d 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.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90788 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:36:34 +00:00
Chris Lattner
6fcca1cc87 add support for phi translation and incorpation of new expression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90782 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:04:49 +00:00
Dan Gohman
d84ea47b89 Don't enable the post-RA scheduler on x86 except at -O3. In its 
current form, it is too expensive in compile time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90781 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 19:04:31 +00:00
Chris Lattner
9a8641201b checkpoint of the new PHITransAddr code, still not done and not used by 
anything.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 18:36:53 +00:00
Evan Cheng
75eb535843 Pre-regalloc tale duplication. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90759 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 10:15:19 +00:00
Oscar Fuentes
bcc2e45840 Fixes the Atomic implementation if compiled by MSVC compiler. 
sys::cas_flag should be long on this platform, InterlockedAdd() is
defined only for the Itanium architecture (according to MSDN).

Patch by Michael Beck!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90748 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 05:29:59 +00:00
Evan Cheng
7e572eb37f If BB is empty, insert PHI before end() instead of front(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90744 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 03:07:01 +00:00
Anton Korobeynikov
6bfcba7e13 Some pretty-printing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90742 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:28:41 +00:00
Anton Korobeynikov
1c3436a67a Truncate the arguments of llvm.frameaddress / llvm.returnaddress intrinsics from i32 to platform's largest native type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90741 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-07 02:28:26 +00:00