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206 Commits

Author SHA1 Message Date
Tobias Grosser 57398edf18 www: Remove link to LLVM for upper left corner. This confused a lot of people 
llvm-svn: 144289
 2011-11-10 14:01:53 +00:00
Tobias Grosser 7bf34585cb www: Add some news about Polly 
llvm-svn: 144288
 2011-11-10 14:00:04 +00:00
Tobias Grosser 5d73f4a39f www: Highlight command line flags 
llvm-svn: 144287
 2011-11-10 14:00:00 +00:00
Tobias Grosser fff5adca2e ScopDetection: Do not verify Aliasing 
This does not work reliable and is probably not needed. I accidentally changed
this in this recent commit:

commit a0bcd63c6ffa81616cf8c6663a87588803f7d91c
Author: grosser <grosser@91177308-0d34-0410-b5e6-96231b3b80d8>
Date:   Thu Nov 10 12:47:21 2011 +0000

    ScopDetect: Use INVALID macro to fail in case of aliasing

    This simplifies the code and also makes the error message available to the
    graphviz scop viewer.

    git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@144284

llvm-svn: 144286
 2011-11-10 13:21:43 +00:00
Tobias Grosser 60cd932536 ScopDetection: Add flag to ignore possible aliasing 
llvm-svn: 144285
 2011-11-10 12:47:26 +00:00
Tobias Grosser 6f24d9d9ee ScopDetect: Use INVALID macro to fail in case of aliasing 
This simplifies the code and also makes the error message available to
the graphviz scop viewer.

llvm-svn: 144284
 2011-11-10 12:47:21 +00:00
Tobias Grosser 4eb7381607 ScopDetect: Clean the last failure message properly 
llvm-svn: 144283
 2011-11-10 12:45:15 +00:00
Tobias Grosser a66fa6cf02 ScopDetection: Improve formatting of error message and simplify some code 
llvm-svn: 144282
 2011-11-10 12:45:11 +00:00
Tobias Grosser bef690f57f Add a workaround to fix SCoPs rejected because of 'region not simple' 
llvm-svn: 144281
 2011-11-10 12:45:07 +00:00
Tobias Grosser e5e171eadd Reuse the old BaseAddress checking in SCEVValidator to make sure that no base 
address is part of the access function. Also remove unused special cases that
were necessery when the base address was still contained in the access function

llvm-svn: 144280
 2011-11-10 12:45:03 +00:00
Tobias Grosser 9759f85060 Use getBasePtr in TempScop/ScopInfo 
llvm-svn: 144279
 2011-11-10 12:44:55 +00:00
Tobias Grosser b8710b5952 ScopDetect: Use getPointerBase to get the base pointer 
Previously we allowed in access functions only a single SCEVUnknown, which later
became the base address. We now use getPointerBase() to derive the base address
and all remaining unknowns are handled as parameters. This allows us to handle
cases like A[b+c];

llvm-svn: 144278
 2011-11-10 12:44:50 +00:00
Tobias Grosser 19632d7814 Remove unused function declaration 
llvm-svn: 144233
 2011-11-09 22:35:19 +00:00
Tobias Grosser f50fc50c80 Remove unused parameters from TempScop 
llvm-svn: 144232
 2011-11-09 22:35:15 +00:00
Tobias Grosser e4e2f7b16e TempScop: Rename SCEVAffFunc to IRAccess 
The SCEVAffFunc is now only used to express memory accesses. Give it a proper
name and rework the class such that this is obvious.

llvm-svn: 144231
 2011-11-09 22:35:09 +00:00
Tobias Grosser 499f0a48d8 Further remove now invalid SCEVAffFunc features. 
This also removes the construction of MayAliasSets that became invalid when
removing the use of SCEVAffFunc.

llvm-svn: 144230
 2011-11-09 22:35:05 +00:00
Tobias Grosser 6e9f25a5d5 Remove AffineSCEVIterator 
We do not use it anymore. It was replaced by SCEVVisitors like the
SCEVValidator.

llvm-svn: 144229
 2011-11-09 22:35:00 +00:00
Tobias Grosser f317e3ac83 Do not check memory accesses additionally with isValidAffineFunction 
This check was necessary because of the use AffineSCEVIterator in TempScopInfo.
As we removed this use recently it is not necessary any more.

llvm-svn: 144228
 2011-11-09 22:34:53 +00:00
Tobias Grosser 866b8ae928 Remove more unused stuff from SCEVAffFunc 
llvm-svn: 144227
 2011-11-09 22:34:48 +00:00
Tobias Grosser a601fbd682 Remove SCEVAffFunc from polly::Comparison 
llvm-svn: 144226
 2011-11-09 22:34:44 +00:00
Tobias Grosser fb47d66a06 Remove unused code from SCEVAffFunc constructor 
llvm-svn: 144224
 2011-11-09 22:34:39 +00:00
Tobias Grosser 5683df4a23 Remove more of SCEVAffineFunc 
llvm-svn: 144223
 2011-11-09 22:34:34 +00:00
Tobias Grosser 63069c60cf ScopInfo: Use getParamsInAffineExpr to get the BaseAddress 
llvm-svn: 144222
 2011-11-09 22:34:28 +00:00
Tobias Grosser db87142b26 TempScop: Remove more of the buildAffineFunction 
llvm-svn: 144221
 2011-11-09 22:34:24 +00:00
Tobias Grosser e6efa37e76 TempScopInfo: Remove unneeded construction of SCEVAffFunc 
llvm-svn: 144220
 2011-11-09 22:34:18 +00:00
Tobias Grosser 02aa9fe2bd www: Fix install location of cloog in the installation guide. 
llvm-svn: 144192
 2011-11-09 17:44:03 +00:00
Tobias Grosser 60b54f19e6 Detect Parameters directly on the SCEV. 
Instead of using TempScop to find parameters, we detect them directly
on the SCEV. This allows us to remove the TempScop parameter detection
in a subsequent commit.

This fixes a bug reported by Marcello Maggioni <hayarms@gmail.com>

llvm-svn: 144087
 2011-11-08 15:41:28 +00:00
Tobias Grosser 65b0058b56 Remove const 
llvm-svn: 144086
 2011-11-08 15:41:19 +00:00
Tobias Grosser 6be480c4ab ScopInfo: Don't add common parameters during realignment to the context. 
Previously we built a context that contained already all parameter dimensions
from the start. We now build a context without any parameter dimensions and
extend the context as needed. All parameter dimensions are added during final
realignment.

llvm-svn: 144085
 2011-11-08 15:41:13 +00:00
Tobias Grosser 8cae72f186 ScopInfo: Realign parameters after the scop is built 
llvm-svn: 144084
 2011-11-08 15:41:08 +00:00
Tobias Grosser 9a38ab8a04 Use a map to store the dimension of the the parameters 
llvm-svn: 144083
 2011-11-08 15:41:03 +00:00
Tobias Grosser 76c2e32a8e ScopInfo: Extract function getIdForParam() 
llvm-svn: 143961
 2011-11-07 12:58:59 +00:00
Tobias Grosser 120db6b583 SCEVValidator: Move into own file 
llvm-svn: 143960
 2011-11-07 12:58:54 +00:00
Tobias Grosser 60e85cbd9d ScopDetection: Introduce methods to check attributes of ValidatorResult 
This simplifies e.g:

if (Op.type == SCEVType::INT || Op.type == SCEVType::PARAM)

  to

if (Op.isConstant())

llvm-svn: 143959
 2011-11-07 12:58:46 +00:00
Tobias Grosser eadc4285db ScopDetection: Add ValidatorResult class 
llvm-svn: 143958
 2011-11-07 12:58:41 +00:00
Tobias Grosser 2d0b1f9d8a ScopDetection: Small fixes and improvements for the SCEVValidator 
These fixes were part of a code audit of the SCEVValidator.

llvm-svn: 143692
 2011-11-04 10:08:08 +00:00
Tobias Grosser 7b0ee0ec9f ScopInfo: Add two new asserts. 
They show a bug recently reported by Marcello Maggioni <hayarms@gmail.com>

llvm-svn: 143691
 2011-11-04 10:08:03 +00:00
Tobias Grosser 76164677f8 ScopDetection: Use SCEVValidator for memory accesses. 
We currently run the old memory access checker in parallel, as we would
otherwise fail in TempScop because of currently unsupported functions. We will
remove the old memory access checker as soon as TempScop is fixed.

llvm-svn: 143654
 2011-11-03 21:03:18 +00:00
Tobias Grosser 2fea5c68fd ScopDetection: Use SCEVValidator for conditions 
llvm-svn: 143653
 2011-11-03 21:03:14 +00:00
Tobias Grosser 2392805094 TempScop: Remove unused SCEVAffFunc constructor 
llvm-svn: 143652
 2011-11-03 21:03:10 +00:00
Tobias Grosser 56f4745c3f TempScop: Remove has_signed (was unused) 
llvm-svn: 143651
 2011-11-03 21:03:06 +00:00
Tobias Grosser ad96c4b06d ScopDetection: A parameter cannot appear inside a SCoP. 
llvm-svn: 143650
 2011-11-03 21:03:01 +00:00
Tobias Grosser 3fb4992221 ScopDetection: Add new SCEV Validator 
The SCEV Validator is used to check if the bound of a loop can be translated
into a polyhedral constraint. The new validator is more general as the check
used previously and e.g. allows bounds like 'smax 1, %a'. At the moment, we
only allow signed comparisons. Also, the new validator is only used to verify
loop bounds. Memory accesses are still handled by the old validator.

llvm-svn: 143576
 2011-11-02 21:40:08 +00:00
Tobias Grosser 1179afafca TempScop: Remove SCEVAffFunc from LoopBoundInfo 
This is not needed anymore -> Reduce impact of SCEVAffFunc.

llvm-svn: 143575
 2011-11-02 21:37:51 +00:00
Tobias Grosser 65fa78e975 TempScopInfo: Print the original SCEV instead of using SCEVAffFunc 
This is reducing the impact of SCEVAffFunc

llvm-svn: 143574
 2011-11-02 21:37:06 +00:00
Raghesh Aloor 4eae54288f www: Change in cloog installation procedure 
llvm-svn: 143025
 2011-10-26 12:25:49 +00:00
Tobias Grosser 1f24897def Add forgotten -Xclang option 
Reported by: yabin.hwu@gmail.com

llvm-svn: 143008
 2011-10-26 02:14:40 +00:00
Tobias Grosser f524e3a258 www: reformat warning 
llvm-svn: 143007
 2011-10-26 02:09:11 +00:00
Tobias Grosser 954a1f2d74 www: Emphasize clang/LLVM/Polly need to be in sync 
llvm-svn: 143005
 2011-10-26 01:27:53 +00:00
Tobias Grosser bd54f3226f ScopInfo: Print SCEV and not the pointer to it 
llvm-svn: 143004
 2011-10-26 01:27:49 +00:00