Commit Graph

361 Commits

Author SHA1 Message Date
Micah Villmow 7a3d8209c3 Move TargetData to DataLayout to fix build breakage caused by LLVM r16540
llvm-svn: 165408
2012-10-08 17:26:19 +00:00
Tobias Grosser 660b58ddab Rename TargetData -> DataLayout
Contributed by: Sameer Sahasrabuddhe <sameer.sahasrabuddhe@amd.com>

llvm-svn: 165387
2012-10-08 08:56:52 +00:00
Tobias Grosser 6a2617b874 ScopLib: Support negated access functions.
Scoplib only supports access functions, but not the more generic
access relations. This commit now also supports access functions
that where not directly expresses as A[sub] with sub = i + 5b,
but with A[sub] with -sub = -i + (-5b).

Test case to come.

Contributed by: Dustin Feld <d3.feld@gmail.com>

llvm-svn: 165379
2012-10-07 17:43:23 +00:00
Tobias Grosser 8a5bc6edca Add a new isl based code generation
This pass implements a new code generator that uses the code generation
algorithm included in isl.

For the moment the new code generation is limited to sequential code.

llvm-svn: 165037
2012-10-02 19:50:43 +00:00
Tobias Grosser 0934e70e6e Add an ast pretty printer pass based on the isl code generator
llvm-svn: 165036
2012-10-02 19:50:38 +00:00
Tobias Grosser 29ebecb11a Bailout if libpluto finds no schedule
Older versions of libpluto crashed, if no schedule was found. Recent
versions return NULL. We detect this and keep the original schedule.

llvm-svn: 164376
2012-09-21 16:24:13 +00:00
Tobias Grosser ed29566c4e ScopInfo: Align parameters when using -polly-allow-nonaffine
This ensures that the isl sets/maps we operate on have the same parameter
dimensions. Operations on objects with different parameter dimensions are not
allow and trigger assertions.

llvm-svn: 163618
2012-09-11 13:50:21 +00:00
Tobias Grosser eeb776a41f SCEVValidator: Add debug output that gives the reason for invalid expressions
llvm-svn: 163472
2012-09-08 14:00:37 +00:00
Tobias Grosser 6eaafb7288 Remove dead code
This code has been replaced by the SCEVValidator a while ago.

llvm-svn: 163471
2012-09-08 14:00:32 +00:00
Tobias Grosser 0b5a1959f4 ScopGraphPrinter: Escape error message
Otherwise a '"' in the error message, yields an invalid .dot file.

llvm-svn: 163466
2012-09-08 08:31:55 +00:00
Tobias Grosser ad41c4ce20 Add dependency to intrinsics_gen
The IndVarSimplify pass in Polly uses the intrinsics header. We need to ensure
that the header is generated, before we use it. This patch fixes the problem
for the cmake build (it did not show up in the autoconf one).

Contributed by:   Sameer Sahasrabuddhe  <sameer.sahasrabuddhe@amd.com>

llvm-svn: 163130
2012-09-04 08:19:12 +00:00
Tobias Grosser cd95b77330 Pocc: Fix some bugs in the PoCC optimizer pass
This includes:
  - The isl_id of the domain of the scattering must be copied from the original
    domain
  - Remove outdated references to a 'FinalRead' statement
  - Print of the Pocc output, if -debug is provided.
  - Add line breaks to some error messages.

Reported and Debugged by:  Dustin Feld  <d3.feld@gmail.com>

llvm-svn: 162901
2012-08-30 11:49:38 +00:00
Tobias Grosser 4a7527e0eb Pluto: Print pluto input in debugging mode
llvm-svn: 162900
2012-08-30 11:49:31 +00:00
Tobias Grosser 882a283946 Dependences: Print dependences in -analyze output
The dependency printing was accidentally removed in during a previous
restructuring.

llvm-svn: 162662
2012-08-27 08:44:15 +00:00
Tobias Grosser 6f9465591e PoCC: Simplify condition
llvm-svn: 162555
2012-08-24 13:56:56 +00:00
Tobias Grosser 4a67e01216 Sort includes
llvm-svn: 162554
2012-08-24 13:54:40 +00:00
Tobias Grosser c8fc2d7045 PoCC: Adapt to earlier vectorizer changes
llvm-svn: 162553
2012-08-24 13:54:36 +00:00
Tobias Grosser 6217e18a7d Add preliminary implementation for GPGPU code generation.
Translate the selected parallel loop body into a ptx string and run it with the
cuda driver API. We limit this preliminary implementation to target the
following special test cases:

  - Support only 2-dimensional parallel loops with or without only one innermost
    non-parallel loop.
  - Support write memory access to only one array in a SCoP.

The patch was committed with smaller changes to the build system:

There is now a flag to enable gpu code generation explictly. This was required
as we need the llvm.codegen() patch applied on the llvm sources, to compile this
feature correctly. Also, enabling gpu code generation does not require cuda.
This requirement was removed to allow 'make polly-test' runs, even without an
installed cuda runtime.

Contributed by:  Yabin Hu  <yabin.hwu@gmail.com>

llvm-svn: 161239
2012-08-03 12:50:07 +00:00
Tobias Grosser 5a2925c6a1 cmake: Fix building of Polly on Apple system
The Apple linker fails by default, if some function calls can not be resolved at
link time. However, all functions that are part of LLVM itself will not be
linked into Polly, but will be provided by the compiler that Polly is loaded
into.  Hence, during linking we need to ignore failures due to unresolved
function calls.

llvm-svn: 161234
2012-08-03 07:12:07 +00:00
Tobias Grosser 8ea010b6b1 Add missing dependency to cmake system
llvm-svn: 161158
2012-08-02 07:47:37 +00:00
Tobias Grosser c11349c55a Add support for libpluto as the scheduling optimizer.
llvm-svn: 161157
2012-08-02 07:47:26 +00:00
Hongbin Zheng 7aee737062 IndependentBLocks: Do not visit the same instruction twice when moving the
operand tree.

This patch fix Bug 13491, and the original "FIXME" in IndependentBlocks.cpp.

Patched by Kevin Fan<kevin.fan@gmail.com>.

llvm-svn: 161105
2012-08-01 08:46:11 +00:00
Tobias Grosser 25184fe925 Allow cast instructions within scops
Cast instruction do not have side effects and can consequently be part of a
scop. We special cased them earlier, as they may be problematic within array
subscripts or loop bounds. However, the scalar evolution validator already
checks for them such that there is no need to also check the instructions within
the basic blocks.  Checking them is actually overly conservative as the precence
of casts may invalidate a scop, even though scalar evolution is not influenced
by it.

llvm-svn: 160261
2012-07-16 10:57:32 +00:00
Tobias Grosser 6cc23b07e6 Revert "Add preliminary implementation for GPGPU code generation."
I did not take into account, that this patch fails to compile without the
llvm.codegen patch applied. This breaks buildbots.

I revert this until we found a solution to commit this without buildbots
complaining.

This reverts commit cb43ab80e94434e780a66be3b9a6ad466822fe33.

llvm-svn: 160165
2012-07-13 07:44:56 +00:00
Tobias Grosser b299d28181 Add preliminary implementation for GPGPU code generation.
Translate the selected parallel loop body into a ptx string and run it
with cuda driver API. We limit this preliminary implementation to
target the following special test cases:
  - Support only 2-dimensional parallel loops with or without only one
    innermost non-parallel loop.
  - Support write memory access to only one array in a SCoP.

Contributed by:  Yabin Hu <yabin.hwu@gmail.com>

llvm-svn: 160164
2012-07-13 07:21:00 +00:00
Hongbin Zheng cea35f60d5 Add an Instruction member to MemoryAccess Class.
Patched by TangKK <dengjunqi06323011@hotmail.com>.

llvm-svn: 159808
2012-07-06 06:47:03 +00:00
Hongbin Zheng 454e8f9ee8 Add stringFromIslObj support for various isl_objs.
Patched by JunQi<dengjunqi06323011@hotmail.com>.

llvm-svn: 159735
2012-07-05 08:55:31 +00:00
Hongbin Zheng 5205e0c40e Refactor: Use generic internal function template in GICHelper.cpp to avoid duplication.
llvm-svn: 159734
2012-07-05 08:42:39 +00:00
Chandler Carruth c55b598dc2 Speculative update to Polly for LLVM r159421 which moved IRBuilder.h.
llvm-svn: 159423
2012-06-29 12:39:49 +00:00
Tobias Grosser 3cc99748b6 Fix some coding convention problems.
llvm-svn: 158081
2012-06-06 16:33:15 +00:00
Tobias Grosser baa1ac260b CLooG: Do not take into account the context
CLooG and the CLooG based code generation does not yet correctly derive the
types of the expressions, but just uses i64 for everything. This is incorrect,
but works normally pretty well. However, the recent change of adding parameter
bounds to the context made CLooG generate expressions that contain a lot of very
large integers that possibly don't fit into an i64. This broke the code
generation for several benchmarks.

To get the CLooG based code generation working again, we just don't take into
account any constraints in the context. This brings us back to the theoretical
incorrect, but in practice generally correct code.

The next step will be the isl based code generation. Here we will derive
automatically correct types.

llvm-svn: 158015
2012-06-05 19:31:08 +00:00
Tobias Grosser 084d8f7d4c ScopInfo: Store ScopStmt pointer in the domain
Store a pointer to each ScopStmt in the isl_id associated with the space of its
domain. This will later allow us to recover the statement during code
generation with isl.

llvm-svn: 157607
2012-05-29 09:29:44 +00:00
Tobias Grosser 400a4ac658 Mark the increments of the generated induction variables 'NSW'
In general, all code that we produce is NSW.

llvm-svn: 157606
2012-05-29 09:11:59 +00:00
Tobias Grosser 3a275d20dd Move executeScopConditionally() into its own file
We will reuse this function for the isl code generator.

llvm-svn: 157605
2012-05-29 09:11:54 +00:00
Tobias Grosser 0a91f3220b Move CLooG.h into include/polly/CodeGen/
llvm-svn: 157604
2012-05-29 09:11:46 +00:00
Tobias Grosser 29666113fd ScheduleOptimizer: Simplify some code
We now use isl_map_equate, which makes the code a lot simpler.

llvm-svn: 157246
2012-05-22 10:47:31 +00:00
Tobias Grosser 18daacad61 ScopInfo: Add parameter bounds to context
Derive the maximal and minimal values of a parameter from the type it has. Add
this information to the scop context. This information is needed, to derive
optimal types during code generation.

llvm-svn: 157245
2012-05-22 10:47:27 +00:00
Tobias Grosser 3b2cf96bae Replace some asserts with llvm_unreachable
llvm-svn: 157244
2012-05-22 10:47:21 +00:00
Tobias Grosser 42b69e5745 ScopInfo: SCEVUnknowns are always parameters
There is no need for special code to handle SCEVUnknowns. SCEVUnkowns are always
parameters and will be handled by the generic parameter handling code in
visit().

llvm-svn: 157243
2012-05-22 10:47:17 +00:00
Tobias Grosser e192b23f5e Move isParallelFor into CodeGeneration
This removes another include of CLooG header files.

llvm-svn: 157242
2012-05-22 08:46:07 +00:00
Sebastian Pop 8b7f01c6a1 make registerPollyPreoptPasses static
llvm-svn: 156326
2012-05-07 21:27:11 +00:00
Sebastian Pop 5cc8caf88d make registerPollyPasses static, remove param
llvm-svn: 156325
2012-05-07 21:27:09 +00:00
Sebastian Pop e1f6554ed8 add some more missing ifdef CLOOG_FOUND
llvm-svn: 156306
2012-05-07 16:35:11 +00:00
Sebastian Pop 082cea8616 add a check for ISL codegen at configure time
llvm-svn: 156305
2012-05-07 16:20:07 +00:00
Hongbin Zheng 6879421727 Allow polly ask bb-vectorizer to vectorize the loop body.
llvm-svn: 156254
2012-05-06 10:22:19 +00:00
Sebastian Pop 775d8e65e8 fix typo
llvm-svn: 156210
2012-05-04 21:36:08 +00:00
Chandler Carruth 30dfdfca3b Try to fix the Polly build while I'm trying to get it to build at all locally.
llvm-svn: 156207
2012-05-04 21:24:27 +00:00
Chandler Carruth d6447953f2 Update Polly to match the LLVM interface change in r156196.
llvm-svn: 156203
2012-05-04 20:57:29 +00:00
Sebastian Pop c200977905 compile cloog code only when CLOOG_FOUND is set
llvm-svn: 156199
2012-05-04 20:30:03 +00:00
Sebastian Pop de613265c5 move Cloog.cpp to CodeGen
llvm-svn: 156184
2012-05-04 18:15:57 +00:00