normalize affine arithmetic helpers

2026-05-30 16:37:28 +02:00
parent 7c3943bd06
commit ab63498f3f
14 changed files with 340 additions and 278 deletions
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "mlir/Dialect/Affine/IR/AffineOps.h"
+#include "mlir/IR/AffineExpr.h"
+#include "mlir/IR/PatternMatch.h"
+#include "mlir/Support/LogicalResult.h"
+
+#include "llvm/ADT/FunctionExtras.h"
+
+namespace onnx_mlir {
+
+using IndexValueResolver = llvm::function_ref<llvm::FailureOr<int64_t>(mlir::Value)>;
+
+mlir::Value createOrFoldAffineApply(mlir::RewriterBase& rewriter,
+                                    mlir::Location loc,
+                                    mlir::AffineMap map,
+                                    mlir::ValueRange operands,
+                                    mlir::Operation* constantAnchor);
+
+mlir::Value createOrFoldAffineApply(mlir::RewriterBase& rewriter,
+                                    mlir::Location loc,
+                                    mlir::AffineExpr expr,
+                                    mlir::ValueRange dims,
+                                    mlir::Operation* constantAnchor);
+
+mlir::Value affineMulConst(mlir::RewriterBase& rewriter,
+                           mlir::Location loc,
+                           mlir::Value value,
+                           int64_t multiplier,
+                           mlir::Operation* constantAnchor);
+
+mlir::Value affineModConst(mlir::RewriterBase& rewriter,
+                           mlir::Location loc,
+                           mlir::Value value,
+                           int64_t divisor,
+                           mlir::Operation* constantAnchor);
+
+mlir::Value affineFloorDivConst(mlir::RewriterBase& rewriter,
+                                mlir::Location loc,
+                                mlir::Value value,
+                                int64_t divisor,
+                                mlir::Operation* constantAnchor);
+
+llvm::FailureOr<int64_t>
+evaluateAffineExpr(mlir::AffineExpr expr, llvm::ArrayRef<int64_t> dims, llvm::ArrayRef<int64_t> symbols = {});
+
+llvm::FailureOr<int64_t> evaluateSingleResultAffineMap(mlir::AffineMap map, llvm::ArrayRef<int64_t> operands);
+
+llvm::FailureOr<int64_t> evaluateAffineApply(mlir::affine::AffineApplyOp affineApply, IndexValueResolver resolver);
+
+bool isSingleResultSymbolFreeAffineMap(mlir::AffineMap map);
+
+bool isDimAndConstantAffineExpr(mlir::AffineExpr expr);
+
+} // namespace onnx_mlir