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[MLIR] Add stage and effectOnFullRegion to side effect
This patch add stage and effectOnFullRegion to side effect for optimization pass
to obtain more accurate information.
Stage uses numbering to track the side effects's stage of occurrence.
EffectOnFullRegion indicates if effect act on every single value of resource.
RFC disscussion: https://discourse.llvm.org/t/rfc-add-effect-index-in-memroy-effect/72235
Differential Revision: https://reviews.llvm.org/D156087
Reviewed By: mehdi_amini, Mogball
Differential Revision: https://reviews.llvm.org/D156087
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This matches the current support provided to operations, and allows attaching traits, interfaces, and using the DeclareInterfaceMethods utility. This was missed when attribute/type generation was first added.
Differential Revision: https://reviews.llvm.org/D100233
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The namespace can be specified using the `cppNamespace` field. This matches the functionality already present on dialects, enums, etc. This fixes problems with using interfaces on operations in a different namespace than the interface was defined in.
Differential Revision: https://reviews.llvm.org/D83604
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objects.
The SideEffect interface definitions currently use string expressions to
reference custom resource objects. This CL introduces Resource objects in
tablegen definitions to simplify linking of resource reference to resource
objects.
Differential Revision: https://reviews.llvm.org/D78917
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Summary:
Previously operations like std.load created methods for obtaining their
effects but did not inherit from the SideEffect interfaces when their
parameters were decorated with the information. The resulting situation
was that passes had no information on the SideEffects of std.load/store
and had to treat them more cautiously. This adds the inheritance
information when creating the methods.
As a side effect, many tests are modified, as they were using std.load
for testing and this oepration would be folded away as part of pattern
rewriting. Tests are modified to use store or to reutn the result of the
std.load.
Reviewers: mravishankar, antiagainst, nicolasvasilache, herhut, aartbik, ftynse!
Subscribers: mehdi_amini, rriddle, jpienaar, shauheen, antiagainst, nicolasvasilache, csigg, arpith-jacob, mgester, lucyrfox, liufengdb, Joonsoo, bader, grosul1, frgossen, Kayjukh, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D78802
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HasNoSideEffect can now be implemented using the MemoryEffectInterface, removing the need to check multiple things for the same information. This also removes an easy foot-gun for users as 'Operation::hasNoSideEffect' would ignore operations that dynamically, or recursively, have no side effects. This also leads to an immediate improvement in some of the existing users, such as DCE, now that they have access to more information.
Differential Revision: https://reviews.llvm.org/D76036
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arguments/results of an operation.
Summary:
New classes are added to ODS to enable specifying additional information on the arguments and results of an operation. These classes, `Arg` and `Res` allow for adding a description and a set of 'decorators' along with the constraint. This enables specifying the side effects of an operation directly on the arguments and results themselves.
Example:
```
def LoadOp : Std_Op<"load"> {
let arguments = (ins Arg<AnyMemRef, "the MemRef to load from",
[MemRead]>:$memref,
Variadic<Index>:$indices);
}
```
Differential Revision: https://reviews.llvm.org/D74440
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