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[RTG] Add get_size ops for sets and bags #7920

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[RTG] Add get_size ops for sets and bags #7920

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26 changes: 26 additions & 0 deletions include/circt/Dialect/RTG/IR/RTGOps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,17 @@ def SetUnionOp : RTGOp<"set_union", [
}];
}

def SetGetSizeOp : RTGOp<"set_get_size", [Pure]> {
let summary = "returns the number of elements in the set";

let arguments = (ins SetType:$set);
let results = (outs Index:$result);

let assemblyFormat = [{
$set `:` qualified(type($set)) attr-dict
}];
}

//===- Bag Operations ------------------------------------------------------===//

def BagCreateOp : RTGOp<"bag_create", [Pure, SameVariadicOperandSize]> {
Expand Down Expand Up @@ -241,6 +252,21 @@ def BagUnionOp : RTGOp<"bag_union", [
}];
}

def BagGetSizeOp : RTGOp<"bag_get_size", [Pure]> {
let summary = "returns the number of unique elements in the bag";
let description = [{
This operation returns the number of unique elements in the bag, i.e., for
the bag `{a, a, b, c, c}` it returns 3.
}];

let arguments = (ins BagType:$bag);
let results = (outs Index:$result);

let assemblyFormat = [{
$bag `:` qualified(type($bag)) attr-dict
}];
}

//===- Test Specification Operations --------------------------------------===//

def TestOp : RTGOp<"test", [
Expand Down
9 changes: 6 additions & 3 deletions include/circt/Dialect/RTG/IR/RTGVisitors.h
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Expand Up @@ -32,9 +32,10 @@ class RTGOpVisitor {
auto *thisCast = static_cast<ConcreteType *>(this);
return TypeSwitch<Operation *, ResultType>(op)
.template Case<SequenceOp, SequenceClosureOp, SetCreateOp,
SetSelectRandomOp, SetDifferenceOp, SetUnionOp, TestOp,
InvokeSequenceOp, BagCreateOp, BagSelectRandomOp,
BagDifferenceOp, BagUnionOp, TargetOp, YieldOp>(
SetSelectRandomOp, SetDifferenceOp, SetUnionOp,
SetGetSizeOp, TestOp, InvokeSequenceOp, BagCreateOp,
BagSelectRandomOp, BagDifferenceOp, BagUnionOp,
BagGetSizeOp, TargetOp, YieldOp>(
[&](auto expr) -> ResultType {
return thisCast->visitOp(expr, args...);
})
Expand Down Expand Up @@ -90,10 +91,12 @@ class RTGOpVisitor {
HANDLE(SetSelectRandomOp, Unhandled);
HANDLE(SetDifferenceOp, Unhandled);
HANDLE(SetUnionOp, Unhandled);
HANDLE(SetGetSizeOp, Unhandled);
HANDLE(BagCreateOp, Unhandled);
HANDLE(BagSelectRandomOp, Unhandled);
HANDLE(BagDifferenceOp, Unhandled);
HANDLE(BagUnionOp, Unhandled);
HANDLE(BagGetSizeOp, Unhandled);
HANDLE(TestOp, Unhandled);
HANDLE(TargetOp, Unhandled);
HANDLE(YieldOp, Unhandled);
Expand Down
4 changes: 4 additions & 0 deletions test/Dialect/RTG/IR/basic.mlir
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Expand Up @@ -32,11 +32,13 @@ func.func @sets(%arg0: i32, %arg1: i32) {
// CHECK: [[EMPTY:%.+]] = rtg.set_create : i32
// CHECK: [[DIFF:%.+]] = rtg.set_difference [[SET]], [[EMPTY]] : !rtg.set<i32>
// CHECK: rtg.set_union [[SET]], [[DIFF]] : !rtg.set<i32>
// CHECK: rtg.set_get_size [[SET]] : !rtg.set<i32>
%set = rtg.set_create %arg0, %arg1 : i32
%r = rtg.set_select_random %set : !rtg.set<i32>
%empty = rtg.set_create : i32
%diff = rtg.set_difference %set, %empty : !rtg.set<i32>
%union = rtg.set_union %set, %diff : !rtg.set<i32>
%size = rtg.set_get_size %set : !rtg.set<i32>

return
}
Expand All @@ -50,12 +52,14 @@ rtg.sequence @bags {
// CHECK: [[DIFF:%.+]] = rtg.bag_difference [[BAG]], [[EMPTY]] : !rtg.bag<i32>
// CHECK: rtg.bag_difference [[BAG]], [[EMPTY]] inf : !rtg.bag<i32>
// CHECK: rtg.bag_union [[BAG]], [[EMPTY]], [[DIFF]] : !rtg.bag<i32>
// CHECK: rtg.bag_get_size [[BAG]] : !rtg.bag<i32>
%bag = rtg.bag_create (%arg2 x %arg0, %arg2 x %arg1) : i32
%r = rtg.bag_select_random %bag : !rtg.bag<i32>
%empty = rtg.bag_create : i32
%diff = rtg.bag_difference %bag, %empty : !rtg.bag<i32>
%diff2 = rtg.bag_difference %bag, %empty inf : !rtg.bag<i32>
%union = rtg.bag_union %bag, %empty, %diff : !rtg.bag<i32>
%size = rtg.bag_get_size %bag : !rtg.bag<i32>
}

// CHECK-LABEL: rtg.target @empty_target : !rtg.dict<> {
Expand Down