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;; This file contains patterns for OptimizeInstructions. Basically, we use a DSL for the patterns,
;; and the DSL is just wasm itself, plus some functions with special meanings
;;
;; This file is converted into OptimizeInstructions.wat.processed by
;; scripts/process_optimize_instructions.py
;; which makes it importable by C++. Then we just #include it there, avoiding the need to ship
;; a data file on the side.
(module
;; "expr" represents an arbitrary expression. The input is an id, so the same expression
;; can appear more than once. The type (i32 in i32.expr, etc.) is the return type, as this
;; needs to have the right type for where it is placed.
(import $i32.expr "dsl" "i32.expr" (param i32) (result i32))
(import $i64.expr "dsl" "i64.expr" (param i32) (result i64))
(import $f32.expr "dsl" "f32.expr" (param i32) (result f32))
(import $f64.expr "dsl" "f64.expr" (param i32) (result f64))
(import $any.expr "dsl" "any.expr" (param i32) (result i32)) ;; ignorable return type
;; TODO for now wasm is not that convenient for a DSL like this. Needs rethinking.
(func $patterns
(block
)
)
)
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