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[MLIR][Wasm] Extending Wasm binary to WasmSSA dialect importer #154452

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Merged
merged 2 commits into from
Aug 20, 2025
Merged

[MLIR][Wasm] Extending Wasm binary to WasmSSA dialect importer #154452

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d4069cd
[MLIR][WASM] Extending the Wasm binary to WasmSSA dialect importer (#…
lforg37 Aug 19, 2025
8a603da
[MLIR][WASM] Fix endianness issue in Wasm importer
Aug 20, 2025
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69 changes: 69 additions & 0 deletions mlir/include/mlir/Target/Wasm/WasmBinaryEncoding.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,10 +20,79 @@ struct WasmBinaryEncoding {
/// Byte encodings for Wasm instructions.
struct OpCode {
// Locals, globals, constants.
static constexpr std::byte localGet{0x20};
static constexpr std::byte localSet{0x21};
static constexpr std::byte localTee{0x22};
static constexpr std::byte globalGet{0x23};
static constexpr std::byte constI32{0x41};
static constexpr std::byte constI64{0x42};
static constexpr std::byte constFP32{0x43};
static constexpr std::byte constFP64{0x44};

// Numeric operations.
static constexpr std::byte clzI32{0x67};
static constexpr std::byte ctzI32{0x68};
static constexpr std::byte popcntI32{0x69};
static constexpr std::byte addI32{0x6A};
static constexpr std::byte subI32{0x6B};
static constexpr std::byte mulI32{0x6C};
static constexpr std::byte divSI32{0x6d};
static constexpr std::byte divUI32{0x6e};
static constexpr std::byte remSI32{0x6f};
static constexpr std::byte remUI32{0x70};
static constexpr std::byte andI32{0x71};
static constexpr std::byte orI32{0x72};
static constexpr std::byte xorI32{0x73};
static constexpr std::byte shlI32{0x74};
static constexpr std::byte shrSI32{0x75};
static constexpr std::byte shrUI32{0x76};
static constexpr std::byte rotlI32{0x77};
static constexpr std::byte rotrI32{0x78};
static constexpr std::byte clzI64{0x79};
static constexpr std::byte ctzI64{0x7A};
static constexpr std::byte popcntI64{0x7B};
static constexpr std::byte addI64{0x7C};
static constexpr std::byte subI64{0x7D};
static constexpr std::byte mulI64{0x7E};
static constexpr std::byte divSI64{0x7F};
static constexpr std::byte divUI64{0x80};
static constexpr std::byte remSI64{0x81};
static constexpr std::byte remUI64{0x82};
static constexpr std::byte andI64{0x83};
static constexpr std::byte orI64{0x84};
static constexpr std::byte xorI64{0x85};
static constexpr std::byte shlI64{0x86};
static constexpr std::byte shrSI64{0x87};
static constexpr std::byte shrUI64{0x88};
static constexpr std::byte rotlI64{0x89};
static constexpr std::byte rotrI64{0x8A};
static constexpr std::byte absF32{0x8B};
static constexpr std::byte negF32{0x8C};
static constexpr std::byte ceilF32{0x8D};
static constexpr std::byte floorF32{0x8E};
static constexpr std::byte truncF32{0x8F};
static constexpr std::byte sqrtF32{0x91};
static constexpr std::byte addF32{0x92};
static constexpr std::byte subF32{0x93};
static constexpr std::byte mulF32{0x94};
static constexpr std::byte divF32{0x95};
static constexpr std::byte minF32{0x96};
static constexpr std::byte maxF32{0x97};
static constexpr std::byte copysignF32{0x98};
static constexpr std::byte absF64{0x99};
static constexpr std::byte negF64{0x9A};
static constexpr std::byte ceilF64{0x9B};
static constexpr std::byte floorF64{0x9C};
static constexpr std::byte truncF64{0x9D};
static constexpr std::byte sqrtF64{0x9F};
static constexpr std::byte addF64{0xA0};
static constexpr std::byte subF64{0xA1};
static constexpr std::byte mulF64{0xA2};
static constexpr std::byte divF64{0xA3};
static constexpr std::byte minF64{0xA4};
static constexpr std::byte maxF64{0xA5};
static constexpr std::byte copysignF64{0xA6};
static constexpr std::byte wrap{0xA7};
};

/// Byte encodings of types in Wasm binaries
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