Support for affine integer sets
- introduce affine integer sets into the IR
- parse and print affine integer sets (both inline or outlined) similar to
affine maps
- use integer set for IfStmt's conditional, and implement parsing of IfStmt's
conditional
- fixed an affine expr paren omission bug while one this.
TODO: parse/represent/print MLValue operands to affine integer set references.
PiperOrigin-RevId: 207779408
diff --git a/lib/IR/IntegerSet.cpp b/lib/IR/IntegerSet.cpp
new file mode 100644
index 0000000..2232029
--- /dev/null
+++ b/lib/IR/IntegerSet.cpp
@@ -0,0 +1,29 @@
+
+//===- IntegerSet.cpp - MLIR Integer Set class ----------------------------===//
+//
+// Copyright 2019 The MLIR Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// =============================================================================
+
+#include "mlir/IR/IntegerSet.h"
+#include "mlir/IR/AffineExpr.h"
+
+using namespace mlir;
+
+IntegerSet::IntegerSet(unsigned dimCount, unsigned symbolCount,
+ unsigned numConstraints, AffineExpr *const *constraints,
+ const bool *const eqFlags)
+ : dimCount(dimCount), symbolCount(symbolCount),
+ numConstraints(numConstraints), constraints(constraints),
+ eqFlags(eqFlags) {}