// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details #include "lua.h" #include "lualib.h" #include "Luau/BytecodeBuilder.h" #include "Luau/CodeGen.h" #include "Luau/Compiler.h" #include "Luau/Parser.h" #include "doctest.h" #include "ScopedFlags.h" #include LUAU_FASTFLAG(LuauCodegenRemoveDeadStores5) LUAU_FASTFLAG(LuauCodegenDirectUserdataFlow) LUAU_FASTFLAG(LuauCompileTypeInfo) LUAU_FASTFLAG(LuauLoadTypeInfo) LUAU_FASTFLAG(LuauCodegenTypeInfo) LUAU_FASTFLAG(LuauTypeInfoLookupImprovement) LUAU_FASTFLAG(LuauCodegenIrTypeNames) LUAU_FASTFLAG(LuauCompileTempTypeInfo) LUAU_FASTFLAG(LuauCodegenFixVectorFields) LUAU_FASTFLAG(LuauCodegenVectorMispredictFix) static std::string getCodegenAssembly(const char* source, bool includeIrTypes = false, int debugLevel = 1) { Luau::CodeGen::AssemblyOptions options; // For IR, we don't care about assembly, but we want a stable target options.target = Luau::CodeGen::AssemblyOptions::Target::X64_SystemV; options.outputBinary = false; options.includeAssembly = false; options.includeIr = true; options.includeOutlinedCode = false; options.includeIrTypes = includeIrTypes; options.includeIrPrefix = Luau::CodeGen::IncludeIrPrefix::No; options.includeUseInfo = Luau::CodeGen::IncludeUseInfo::No; options.includeCfgInfo = Luau::CodeGen::IncludeCfgInfo::No; options.includeRegFlowInfo = Luau::CodeGen::IncludeRegFlowInfo::No; Luau::Allocator allocator; Luau::AstNameTable names(allocator); Luau::ParseResult result = Luau::Parser::parse(source, strlen(source), names, allocator); if (!result.errors.empty()) throw Luau::ParseErrors(result.errors); Luau::CompileOptions copts = {}; copts.optimizationLevel = 2; copts.debugLevel = debugLevel; copts.typeInfoLevel = 1; copts.vectorCtor = "vector"; copts.vectorType = "vector"; Luau::BytecodeBuilder bcb; Luau::compileOrThrow(bcb, result, names, copts); std::string bytecode = bcb.getBytecode(); std::unique_ptr globalState(luaL_newstate(), lua_close); lua_State* L = globalState.get(); if (luau_load(L, "name", bytecode.data(), bytecode.size(), 0) == 0) return Luau::CodeGen::getAssembly(L, -1, options, nullptr); FAIL("Failed to load bytecode"); return ""; } static std::string getCodegenHeader(const char* source) { std::string assembly = getCodegenAssembly(source, /* includeIrTypes */ true, /* debugLevel */ 2); auto bytecodeStart = assembly.find("bb_bytecode_0:"); if (bytecodeStart == std::string::npos) bytecodeStart = assembly.find("bb_0:"); REQUIRE(bytecodeStart != std::string::npos); return assembly.substr(0, bytecodeStart); } TEST_SUITE_BEGIN("IrLowering"); TEST_CASE("VectorReciprocal") { CHECK_EQ("\n" + getCodegenAssembly(R"( local function vecrcp(a: vector) return 1 / a end )"), R"( ; function vecrcp($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %6 = NUM_TO_VEC 1 %7 = LOAD_TVALUE R0 %8 = DIV_VEC %6, %7 %9 = TAG_VECTOR %8 STORE_TVALUE R1, %9 INTERRUPT 1u RETURN R1, 1i )"); } TEST_CASE("VectorComponentRead") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function compsum(a: vector) return a.X + a.Y + a.Z end )"), R"( ; function compsum($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %6 = LOAD_FLOAT R0, 0i %11 = LOAD_FLOAT R0, 4i %20 = ADD_NUM %6, %11 %25 = LOAD_FLOAT R0, 8i %34 = ADD_NUM %20, %25 STORE_DOUBLE R1, %34 STORE_TAG R1, tnumber INTERRUPT 8u RETURN R1, 1i )"); } TEST_CASE("VectorAdd") { CHECK_EQ("\n" + getCodegenAssembly(R"( local function vec3add(a: vector, b: vector) return a + b end )"), R"( ; function vec3add($arg0, $arg1) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) CHECK_TAG R1, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %10 = LOAD_TVALUE R0 %11 = LOAD_TVALUE R1 %12 = ADD_VEC %10, %11 %13 = TAG_VECTOR %12 STORE_TVALUE R2, %13 INTERRUPT 1u RETURN R2, 1i )"); } TEST_CASE("VectorMinus") { CHECK_EQ("\n" + getCodegenAssembly(R"( local function vec3minus(a: vector) return -a end )"), R"( ; function vec3minus($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %6 = LOAD_TVALUE R0 %7 = UNM_VEC %6 %8 = TAG_VECTOR %7 STORE_TVALUE R1, %8 INTERRUPT 1u RETURN R1, 1i )"); } TEST_CASE("VectorSubMulDiv") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function vec3combo(a: vector, b: vector, c: vector, d: vector) return a * b - c / d end )"), R"( ; function vec3combo($arg0, $arg1, $arg2, $arg3) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) CHECK_TAG R1, tvector, exit(entry) CHECK_TAG R2, tvector, exit(entry) CHECK_TAG R3, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %14 = LOAD_TVALUE R0 %15 = LOAD_TVALUE R1 %16 = MUL_VEC %14, %15 %23 = LOAD_TVALUE R2 %24 = LOAD_TVALUE R3 %25 = DIV_VEC %23, %24 %34 = SUB_VEC %16, %25 %35 = TAG_VECTOR %34 STORE_TVALUE R4, %35 INTERRUPT 3u RETURN R4, 1i )"); } TEST_CASE("VectorSubMulDiv2") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function vec3combo(a: vector) local tmp = a * a return (tmp - tmp) / (tmp + tmp) end )"), R"( ; function vec3combo($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %8 = LOAD_TVALUE R0 %10 = MUL_VEC %8, %8 %19 = SUB_VEC %10, %10 %28 = ADD_VEC %10, %10 %37 = DIV_VEC %19, %28 %38 = TAG_VECTOR %37 STORE_TVALUE R2, %38 INTERRUPT 4u RETURN R2, 1i )"); } TEST_CASE("VectorMulDivMixed") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function vec3combo(a: vector, b: vector, c: vector, d: vector) return a * 2 + b / 4 + 0.5 * c + 40 / d end )"), R"( ; function vec3combo($arg0, $arg1, $arg2, $arg3) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) CHECK_TAG R1, tvector, exit(entry) CHECK_TAG R2, tvector, exit(entry) CHECK_TAG R3, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %12 = LOAD_TVALUE R0 %13 = NUM_TO_VEC 2 %14 = MUL_VEC %12, %13 %19 = LOAD_TVALUE R1 %20 = NUM_TO_VEC 4 %21 = DIV_VEC %19, %20 %30 = ADD_VEC %14, %21 %40 = NUM_TO_VEC 0.5 %41 = LOAD_TVALUE R2 %42 = MUL_VEC %40, %41 %51 = ADD_VEC %30, %42 %56 = NUM_TO_VEC 40 %57 = LOAD_TVALUE R3 %58 = DIV_VEC %56, %57 %67 = ADD_VEC %51, %58 %68 = TAG_VECTOR %67 STORE_TVALUE R4, %68 INTERRUPT 8u RETURN R4, 1i )"); } TEST_CASE("ExtraMathMemoryOperands") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo(a: number, b: number, c: number, d: number, e: number) return math.floor(a) + math.ceil(b) + math.round(c) + math.sqrt(d) + math.abs(e) end )"), R"( ; function foo($arg0, $arg1, $arg2, $arg3, $arg4) line 2 bb_0: CHECK_TAG R0, tnumber, exit(entry) CHECK_TAG R1, tnumber, exit(entry) CHECK_TAG R2, tnumber, exit(entry) CHECK_TAG R3, tnumber, exit(entry) CHECK_TAG R4, tnumber, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: CHECK_SAFE_ENV exit(1) %16 = FLOOR_NUM R0 %23 = CEIL_NUM R1 %32 = ADD_NUM %16, %23 %39 = ROUND_NUM R2 %48 = ADD_NUM %32, %39 %55 = SQRT_NUM R3 %64 = ADD_NUM %48, %55 %71 = ABS_NUM R4 %80 = ADD_NUM %64, %71 STORE_DOUBLE R5, %80 STORE_TAG R5, tnumber INTERRUPT 29u RETURN R5, 1i )"); } TEST_CASE("DseInitialStackState") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo() while {} do local _ = not _,{} _ = nil end end )"), R"( ; function foo() line 2 bb_bytecode_0: SET_SAVEDPC 1u %1 = NEW_TABLE 0u, 0u STORE_POINTER R0, %1 STORE_TAG R0, ttable CHECK_GC JUMP bb_2 bb_2: CHECK_SAFE_ENV exit(3) JUMP_EQ_TAG K1, tnil, bb_fallback_4, bb_3 bb_3: %9 = LOAD_TVALUE K1 STORE_TVALUE R1, %9 JUMP bb_5 bb_5: SET_SAVEDPC 7u %21 = NEW_TABLE 0u, 0u STORE_POINTER R1, %21 STORE_TAG R1, ttable CHECK_GC STORE_TAG R0, tnil INTERRUPT 9u JUMP bb_bytecode_0 )"); } TEST_CASE("DseInitialStackState2") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo(a) math.frexp(a) return a end )"), R"( ; function foo($arg0) line 2 bb_bytecode_0: CHECK_SAFE_ENV exit(1) CHECK_TAG R0, tnumber, exit(1) FASTCALL 14u, R1, R0, undef, 1i, 2i INTERRUPT 5u RETURN R0, 1i )"); } TEST_CASE("DseInitialStackState3") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo(a) math.sign(a) return a end )"), R"( ; function foo($arg0) line 2 bb_bytecode_0: CHECK_SAFE_ENV exit(1) CHECK_TAG R0, tnumber, exit(1) FASTCALL 47u, R1, R0, undef, 1i, 1i INTERRUPT 5u RETURN R0, 1i )"); } TEST_CASE("VectorConstantTag") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function vecrcp(a: vector) return vector(1, 2, 3) + a end )"), R"( ; function vecrcp($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %4 = LOAD_TVALUE K0, 0i, tvector %11 = LOAD_TVALUE R0 %12 = ADD_VEC %4, %11 %13 = TAG_VECTOR %12 STORE_TVALUE R1, %13 INTERRUPT 2u RETURN R1, 1i )"); } TEST_CASE("VectorNamecall") { ScopedFastFlag luauCodegenDirectUserdataFlow{FFlag::LuauCodegenDirectUserdataFlow, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function abs(a: vector) return a:Abs() end )"), R"( ; function abs($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: FALLBACK_NAMECALL 0u, R1, R0, K0 INTERRUPT 2u SET_SAVEDPC 3u CALL R1, 1i, -1i INTERRUPT 3u RETURN R1, -1i )"); } TEST_CASE("VectorRandomProp") { ScopedFastFlag luauCodegenRemoveDeadStores{FFlag::LuauCodegenRemoveDeadStores5, true}; ScopedFastFlag luauCodegenFixVectorFields{FFlag::LuauCodegenFixVectorFields, true}; ScopedFastFlag luauCodegenVectorMispredictFix{FFlag::LuauCodegenVectorMispredictFix, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo(a: vector) return a.XX + a.YY + a.ZZ end )"), R"( ; function foo($arg0) line 2 bb_0: CHECK_TAG R0, tvector, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: FALLBACK_GETTABLEKS 0u, R3, R0, K0 FALLBACK_GETTABLEKS 2u, R4, R0, K1 CHECK_TAG R3, tnumber, bb_fallback_3 CHECK_TAG R4, tnumber, bb_fallback_3 %14 = LOAD_DOUBLE R3 %16 = ADD_NUM %14, R4 STORE_DOUBLE R2, %16 STORE_TAG R2, tnumber JUMP bb_4 bb_4: CHECK_TAG R0, tvector, exit(5) FALLBACK_GETTABLEKS 5u, R3, R0, K2 CHECK_TAG R2, tnumber, bb_fallback_5 CHECK_TAG R3, tnumber, bb_fallback_5 %30 = LOAD_DOUBLE R2 %32 = ADD_NUM %30, R3 STORE_DOUBLE R1, %32 STORE_TAG R1, tnumber JUMP bb_6 bb_6: INTERRUPT 8u RETURN R1, 1i )"); } TEST_CASE("UserDataGetIndex") { ScopedFastFlag luauCodegenDirectUserdataFlow{FFlag::LuauCodegenDirectUserdataFlow, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function getxy(a: Point) return a.x + a.y end )"), R"( ; function getxy($arg0) line 2 bb_0: CHECK_TAG R0, tuserdata, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: FALLBACK_GETTABLEKS 0u, R2, R0, K0 FALLBACK_GETTABLEKS 2u, R3, R0, K1 CHECK_TAG R2, tnumber, bb_fallback_3 CHECK_TAG R3, tnumber, bb_fallback_3 %14 = LOAD_DOUBLE R2 %16 = ADD_NUM %14, R3 STORE_DOUBLE R1, %16 STORE_TAG R1, tnumber JUMP bb_4 bb_4: INTERRUPT 5u RETURN R1, 1i )"); } TEST_CASE("UserDataSetIndex") { ScopedFastFlag luauCodegenDirectUserdataFlow{FFlag::LuauCodegenDirectUserdataFlow, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function setxy(a: Point) a.x = 3 a.y = 4 end )"), R"( ; function setxy($arg0) line 2 bb_0: CHECK_TAG R0, tuserdata, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: STORE_DOUBLE R1, 3 STORE_TAG R1, tnumber FALLBACK_SETTABLEKS 1u, R1, R0, K0 STORE_DOUBLE R1, 4 FALLBACK_SETTABLEKS 4u, R1, R0, K1 INTERRUPT 6u RETURN R0, 0i )"); } TEST_CASE("UserDataNamecall") { ScopedFastFlag luauCodegenDirectUserdataFlow{FFlag::LuauCodegenDirectUserdataFlow, true}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function getxy(a: Point) return a:GetX() + a:GetY() end )"), R"( ; function getxy($arg0) line 2 bb_0: CHECK_TAG R0, tuserdata, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: FALLBACK_NAMECALL 0u, R2, R0, K0 INTERRUPT 2u SET_SAVEDPC 3u CALL R2, 1i, 1i FALLBACK_NAMECALL 3u, R3, R0, K1 INTERRUPT 5u SET_SAVEDPC 6u CALL R3, 1i, 1i CHECK_TAG R2, tnumber, bb_fallback_3 CHECK_TAG R3, tnumber, bb_fallback_3 %20 = LOAD_DOUBLE R2 %22 = ADD_NUM %20, R3 STORE_DOUBLE R1, %22 STORE_TAG R1, tnumber JUMP bb_4 bb_4: INTERRUPT 7u RETURN R1, 1i )"); } TEST_CASE("ExplicitUpvalueAndLocalTypes") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local y: vector = ... local function getsum(t) local x: vector = t return x.X + x.Y + y.X + y.Y end )", /* includeIrTypes */ true), R"( ; function getsum($arg0) line 4 ; U0: vector ; R0: vector from 0 to 14 bb_bytecode_0: CHECK_TAG R0, tvector, exit(0) %2 = LOAD_FLOAT R0, 0i STORE_DOUBLE R4, %2 STORE_TAG R4, tnumber %7 = LOAD_FLOAT R0, 4i %16 = ADD_NUM %2, %7 STORE_DOUBLE R3, %16 STORE_TAG R3, tnumber GET_UPVALUE R5, U0 CHECK_TAG R5, tvector, exit(6) %22 = LOAD_FLOAT R5, 0i %31 = ADD_NUM %16, %22 STORE_DOUBLE R2, %31 STORE_TAG R2, tnumber GET_UPVALUE R4, U0 CHECK_TAG R4, tvector, exit(10) %37 = LOAD_FLOAT R4, 4i %46 = ADD_NUM %31, %37 STORE_DOUBLE R1, %46 STORE_TAG R1, tnumber INTERRUPT 13u RETURN R1, 1i )"); } TEST_CASE("FastcallTypeInferThroughLocal") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function getsum(x, c) local v = vector(x, 2, 3) if c then return v.X + v.Y else return v.Z end end )", /* includeIrTypes */ true), R"( ; function getsum($arg0, $arg1) line 2 ; R2: vector from 0 to 17 bb_bytecode_0: %0 = LOAD_TVALUE R0 STORE_TVALUE R3, %0 STORE_DOUBLE R4, 2 STORE_TAG R4, tnumber STORE_DOUBLE R5, 3 STORE_TAG R5, tnumber CHECK_SAFE_ENV exit(4) CHECK_TAG R3, tnumber, exit(4) %13 = LOAD_DOUBLE R3 STORE_VECTOR R2, %13, 2, 3 STORE_TAG R2, tvector JUMP_IF_FALSY R1, bb_bytecode_1, bb_3 bb_3: CHECK_TAG R2, tvector, exit(8) %21 = LOAD_FLOAT R2, 0i %26 = LOAD_FLOAT R2, 4i %35 = ADD_NUM %21, %26 STORE_DOUBLE R3, %35 STORE_TAG R3, tnumber INTERRUPT 13u RETURN R3, 1i bb_bytecode_1: CHECK_TAG R2, tvector, exit(14) %42 = LOAD_FLOAT R2, 8i STORE_DOUBLE R3, %42 STORE_TAG R3, tnumber INTERRUPT 16u RETURN R3, 1i )"); } TEST_CASE("FastcallTypeInferThroughUpvalue") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local v = ... local function getsum(x, c) v = vector(x, 2, 3) if c then return v.X + v.Y else return v.Z end end )", /* includeIrTypes */ true), R"( ; function getsum($arg0, $arg1) line 4 ; U0: vector bb_bytecode_0: %0 = LOAD_TVALUE R0 STORE_TVALUE R3, %0 STORE_DOUBLE R4, 2 STORE_TAG R4, tnumber STORE_DOUBLE R5, 3 STORE_TAG R5, tnumber CHECK_SAFE_ENV exit(4) CHECK_TAG R3, tnumber, exit(4) %13 = LOAD_DOUBLE R3 STORE_VECTOR R2, %13, 2, 3 STORE_TAG R2, tvector SET_UPVALUE U0, R2, tvector JUMP_IF_FALSY R1, bb_bytecode_1, bb_3 bb_3: GET_UPVALUE R4, U0 CHECK_TAG R4, tvector, exit(10) %23 = LOAD_FLOAT R4, 0i STORE_DOUBLE R3, %23 STORE_TAG R3, tnumber GET_UPVALUE R5, U0 CHECK_TAG R5, tvector, exit(13) %29 = LOAD_FLOAT R5, 4i %38 = ADD_NUM %23, %29 STORE_DOUBLE R2, %38 STORE_TAG R2, tnumber INTERRUPT 16u RETURN R2, 1i bb_bytecode_1: GET_UPVALUE R3, U0 CHECK_TAG R3, tvector, exit(18) %46 = LOAD_FLOAT R3, 8i STORE_DOUBLE R2, %46 STORE_TAG R2, tnumber INTERRUPT 20u RETURN R2, 1i )"); } TEST_CASE("LoadAndMoveTypePropagation") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function getsum(n) local seqsum = 0 for i = 1,n do if i < 10 then seqsum += i else seqsum *= i end end return seqsum end )", /* includeIrTypes */ true), R"( ; function getsum($arg0) line 2 ; R1: number from 0 to 13 ; R4: number from 1 to 11 bb_bytecode_0: STORE_DOUBLE R1, 0 STORE_TAG R1, tnumber STORE_DOUBLE R4, 1 STORE_TAG R4, tnumber %4 = LOAD_TVALUE R0 STORE_TVALUE R2, %4 STORE_DOUBLE R3, 1 STORE_TAG R3, tnumber CHECK_TAG R2, tnumber, exit(4) %12 = LOAD_DOUBLE R2 JUMP_CMP_NUM 1, %12, not_le, bb_bytecode_4, bb_bytecode_1 bb_bytecode_1: INTERRUPT 5u STORE_DOUBLE R5, 10 STORE_TAG R5, tnumber CHECK_TAG R4, tnumber, bb_fallback_6 JUMP_CMP_NUM R4, 10, not_lt, bb_bytecode_2, bb_5 bb_5: CHECK_TAG R1, tnumber, exit(8) CHECK_TAG R4, tnumber, exit(8) %32 = LOAD_DOUBLE R1 %34 = ADD_NUM %32, R4 STORE_DOUBLE R1, %34 JUMP bb_bytecode_3 bb_bytecode_2: CHECK_TAG R1, tnumber, exit(10) CHECK_TAG R4, tnumber, exit(10) %41 = LOAD_DOUBLE R1 %43 = MUL_NUM %41, R4 STORE_DOUBLE R1, %43 JUMP bb_bytecode_3 bb_bytecode_3: %46 = LOAD_DOUBLE R2 %47 = LOAD_DOUBLE R4 %48 = ADD_NUM %47, 1 STORE_DOUBLE R4, %48 JUMP_CMP_NUM %48, %46, le, bb_bytecode_1, bb_bytecode_4 bb_bytecode_4: INTERRUPT 12u RETURN R1, 1i )"); } TEST_CASE("ArgumentTypeRefinement") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function getsum(x, y) x = vector(1, y, 3) return x.Y + x.Z end )", /* includeIrTypes */ true), R"( ; function getsum($arg0, $arg1) line 2 ; R0: vector [argument] bb_bytecode_0: STORE_DOUBLE R3, 1 STORE_TAG R3, tnumber %2 = LOAD_TVALUE R1 STORE_TVALUE R4, %2 STORE_DOUBLE R5, 3 STORE_TAG R5, tnumber CHECK_SAFE_ENV exit(4) CHECK_TAG R4, tnumber, exit(4) %14 = LOAD_DOUBLE R4 STORE_VECTOR R2, 1, %14, 3 STORE_TAG R2, tvector %18 = LOAD_TVALUE R2 STORE_TVALUE R0, %18 %22 = LOAD_FLOAT R0, 4i %27 = LOAD_FLOAT R0, 8i %36 = ADD_NUM %22, %27 STORE_DOUBLE R2, %36 STORE_TAG R2, tnumber INTERRUPT 13u RETURN R2, 1i )"); } TEST_CASE("InlineFunctionType") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function inl(v: vector, s: number) return v.Y * s end local function getsum(x) return inl(x, 2) + inl(x, 5) end )", /* includeIrTypes */ true), R"( ; function inl($arg0, $arg1) line 2 ; R0: vector [argument] ; R1: number [argument] bb_0: CHECK_TAG R0, tvector, exit(entry) CHECK_TAG R1, tnumber, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: %8 = LOAD_FLOAT R0, 4i %17 = MUL_NUM %8, R1 STORE_DOUBLE R2, %17 STORE_TAG R2, tnumber INTERRUPT 3u RETURN R2, 1i ; function getsum($arg0) line 6 ; R0: vector from 0 to 3 ; R0: vector from 3 to 6 bb_bytecode_0: CHECK_TAG R0, tvector, exit(0) %2 = LOAD_FLOAT R0, 4i %8 = MUL_NUM %2, 2 %13 = LOAD_FLOAT R0, 4i %19 = MUL_NUM %13, 5 %28 = ADD_NUM %8, %19 STORE_DOUBLE R1, %28 STORE_TAG R1, tnumber INTERRUPT 7u RETURN R1, 1i )"); } TEST_CASE("ResolveTablePathTypes") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( type Vertex = {pos: vector, normal: vector} local function foo(arr: {Vertex}, i) local v = arr[i] return v.pos.Y end )", /* includeIrTypes */ true, /* debugLevel */ 2), R"( ; function foo(arr, i) line 4 ; R0: table [argument 'arr'] ; R2: table from 0 to 6 [local 'v'] ; R4: vector from 3 to 5 bb_0: CHECK_TAG R0, ttable, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: CHECK_TAG R1, tnumber, bb_fallback_3 %8 = LOAD_POINTER R0 %9 = LOAD_DOUBLE R1 %10 = TRY_NUM_TO_INDEX %9, bb_fallback_3 %11 = SUB_INT %10, 1i CHECK_ARRAY_SIZE %8, %11, bb_fallback_3 CHECK_NO_METATABLE %8, bb_fallback_3 %14 = GET_ARR_ADDR %8, %11 %15 = LOAD_TVALUE %14 STORE_TVALUE R2, %15 JUMP bb_4 bb_4: CHECK_TAG R2, ttable, exit(1) %23 = LOAD_POINTER R2 %24 = GET_SLOT_NODE_ADDR %23, 1u, K0 CHECK_SLOT_MATCH %24, K0, bb_fallback_5 %26 = LOAD_TVALUE %24, 0i STORE_TVALUE R4, %26 JUMP bb_6 bb_6: CHECK_TAG R4, tvector, exit(3) %33 = LOAD_FLOAT R4, 4i STORE_DOUBLE R3, %33 STORE_TAG R3, tnumber INTERRUPT 5u RETURN R3, 1i )"); } TEST_CASE("ResolvableSimpleMath") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenHeader(R"( type Vertex = { p: vector, uv: vector, n: vector, t: vector, b: vector, h: number } local mesh: { vertices: {Vertex}, indices: {number} } = ... local function compute() for i = 1,#mesh.indices,3 do local a = mesh.vertices[mesh.indices[i]] local b = mesh.vertices[mesh.indices[i + 1]] local c = mesh.vertices[mesh.indices[i + 2]] local vba = b.p - a.p local vca = c.p - a.p local uvba = b.uv - a.uv local uvca = c.uv - a.uv local r = 1.0 / (uvba.X * uvca.Y - uvca.X * uvba.Y); local sdir = (uvca.Y * vba - uvba.Y * vca) * r a.t += sdir end end )"), R"( ; function compute() line 5 ; U0: table ['mesh'] ; R2: number from 0 to 78 [local 'i'] ; R3: table from 7 to 78 [local 'a'] ; R4: table from 15 to 78 [local 'b'] ; R5: table from 24 to 78 [local 'c'] ; R6: vector from 33 to 78 [local 'vba'] ; R7: vector from 37 to 38 ; R7: vector from 38 to 78 [local 'vca'] ; R8: vector from 37 to 38 ; R8: vector from 42 to 43 ; R8: vector from 43 to 78 [local 'uvba'] ; R9: vector from 42 to 43 ; R9: vector from 47 to 48 ; R9: vector from 48 to 78 [local 'uvca'] ; R10: vector from 47 to 48 ; R10: vector from 52 to 53 ; R10: number from 53 to 78 [local 'r'] ; R11: vector from 52 to 53 ; R11: vector from 65 to 78 [local 'sdir'] ; R12: vector from 72 to 73 ; R12: vector from 75 to 76 ; R13: vector from 71 to 72 ; R14: vector from 71 to 72 )"); } TEST_CASE("ResolveVectorNamecalls") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}, {FFlag::LuauCodegenDirectUserdataFlow, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( type Vertex = {pos: vector, normal: vector} local function foo(arr: {Vertex}, i) return arr[i].normal:Dot(vector(0.707, 0, 0.707)) end )", /* includeIrTypes */ true), R"( ; function foo($arg0, $arg1) line 4 ; R0: table [argument] ; R2: vector from 4 to 6 bb_0: CHECK_TAG R0, ttable, exit(entry) JUMP bb_2 bb_2: JUMP bb_bytecode_1 bb_bytecode_1: CHECK_TAG R1, tnumber, bb_fallback_3 %8 = LOAD_POINTER R0 %9 = LOAD_DOUBLE R1 %10 = TRY_NUM_TO_INDEX %9, bb_fallback_3 %11 = SUB_INT %10, 1i CHECK_ARRAY_SIZE %8, %11, bb_fallback_3 CHECK_NO_METATABLE %8, bb_fallback_3 %14 = GET_ARR_ADDR %8, %11 %15 = LOAD_TVALUE %14 STORE_TVALUE R3, %15 JUMP bb_4 bb_4: CHECK_TAG R3, ttable, bb_fallback_5 %23 = LOAD_POINTER R3 %24 = GET_SLOT_NODE_ADDR %23, 1u, K0 CHECK_SLOT_MATCH %24, K0, bb_fallback_5 %26 = LOAD_TVALUE %24, 0i STORE_TVALUE R2, %26 JUMP bb_6 bb_6: %31 = LOAD_TVALUE K1, 0i, tvector STORE_TVALUE R4, %31 CHECK_TAG R2, tvector, exit(4) FALLBACK_NAMECALL 4u, R2, R2, K2 INTERRUPT 6u SET_SAVEDPC 7u CALL R2, 2i, -1i INTERRUPT 7u RETURN R2, -1i )"); } TEST_CASE("ImmediateTypeAnnotationHelp") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( local function foo(arr, i) return (arr[i] :: vector) / 5 end )", /* includeIrTypes */ true), R"( ; function foo($arg0, $arg1) line 2 ; R3: vector from 1 to 2 bb_bytecode_0: CHECK_TAG R0, ttable, bb_fallback_1 CHECK_TAG R1, tnumber, bb_fallback_1 %4 = LOAD_POINTER R0 %5 = LOAD_DOUBLE R1 %6 = TRY_NUM_TO_INDEX %5, bb_fallback_1 %7 = SUB_INT %6, 1i CHECK_ARRAY_SIZE %4, %7, bb_fallback_1 CHECK_NO_METATABLE %4, bb_fallback_1 %10 = GET_ARR_ADDR %4, %7 %11 = LOAD_TVALUE %10 STORE_TVALUE R3, %11 JUMP bb_2 bb_2: CHECK_TAG R3, tvector, exit(1) %19 = LOAD_TVALUE R3 %20 = NUM_TO_VEC 5 %21 = DIV_VEC %19, %20 %22 = TAG_VECTOR %21 STORE_TVALUE R2, %22 INTERRUPT 2u RETURN R2, 1i )"); } TEST_CASE("UnaryTypeResolve") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenHeader(R"( local function foo(a, b: vector, c) local d = not a local e = -b local f = #c return (if d then e else vector(f, 2, 3)).X end )"), R"( ; function foo(a, b, c) line 2 ; R1: vector [argument 'b'] ; R3: boolean from 0 to 16 [local 'd'] ; R4: vector from 1 to 16 [local 'e'] ; R5: number from 2 to 16 [local 'f'] ; R7: vector from 13 to 15 )"); } TEST_CASE("ForInManualAnnotation") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenAssembly(R"( type Vertex = {pos: vector, normal: vector} local function foo(a: {Vertex}) local sum = 0 for k, v: Vertex in ipairs(a) do sum += v.pos.X end return sum end )", /* includeIrTypes */ true, /* debugLevel */ 2), R"( ; function foo(a) line 4 ; R0: table [argument 'a'] ; R1: number from 0 to 14 [local 'sum'] ; R5: number from 5 to 11 [local 'k'] ; R6: table from 5 to 11 [local 'v'] ; R8: vector from 8 to 10 bb_0: CHECK_TAG R0, ttable, exit(entry) JUMP bb_4 bb_4: JUMP bb_bytecode_1 bb_bytecode_1: STORE_DOUBLE R1, 0 STORE_TAG R1, tnumber CHECK_SAFE_ENV exit(1) JUMP_EQ_TAG K1, tnil, bb_fallback_6, bb_5 bb_5: %9 = LOAD_TVALUE K1 STORE_TVALUE R2, %9 JUMP bb_7 bb_7: %15 = LOAD_TVALUE R0 STORE_TVALUE R3, %15 INTERRUPT 4u SET_SAVEDPC 5u CALL R2, 1i, 3i CHECK_SAFE_ENV exit(5) CHECK_TAG R3, ttable, bb_fallback_8 CHECK_TAG R4, tnumber, bb_fallback_8 JUMP_CMP_NUM R4, 0, not_eq, bb_fallback_8, bb_9 bb_9: STORE_TAG R2, tnil STORE_POINTER R4, 0i STORE_EXTRA R4, 128i STORE_TAG R4, tlightuserdata JUMP bb_bytecode_3 bb_bytecode_2: CHECK_TAG R6, ttable, exit(6) %35 = LOAD_POINTER R6 %36 = GET_SLOT_NODE_ADDR %35, 6u, K2 CHECK_SLOT_MATCH %36, K2, bb_fallback_10 %38 = LOAD_TVALUE %36, 0i STORE_TVALUE R8, %38 JUMP bb_11 bb_11: CHECK_TAG R8, tvector, exit(8) %45 = LOAD_FLOAT R8, 0i STORE_DOUBLE R7, %45 STORE_TAG R7, tnumber CHECK_TAG R1, tnumber, exit(10) %52 = LOAD_DOUBLE R1 %54 = ADD_NUM %52, %45 STORE_DOUBLE R1, %54 JUMP bb_bytecode_3 bb_bytecode_3: INTERRUPT 11u CHECK_TAG R2, tnil, bb_fallback_13 %60 = LOAD_POINTER R3 %61 = LOAD_INT R4 %62 = GET_ARR_ADDR %60, %61 CHECK_ARRAY_SIZE %60, %61, bb_12 %64 = LOAD_TAG %62 JUMP_EQ_TAG %64, tnil, bb_12, bb_14 bb_14: %66 = ADD_INT %61, 1i STORE_INT R4, %66 %68 = INT_TO_NUM %66 STORE_DOUBLE R5, %68 STORE_TAG R5, tnumber %71 = LOAD_TVALUE %62 STORE_TVALUE R6, %71 JUMP bb_bytecode_2 bb_12: INTERRUPT 13u RETURN R1, 1i )"); } TEST_CASE("ForInAutoAnnotationIpairs") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenHeader(R"( type Vertex = {pos: vector, normal: vector} local function foo(a: {Vertex}) local sum = 0 for k, v in ipairs(a) do local n = v.pos.X sum += n end return sum end )"), R"( ; function foo(a) line 4 ; R0: table [argument 'a'] ; R1: number from 0 to 14 [local 'sum'] ; R5: number from 5 to 11 [local 'k'] ; R6: table from 5 to 11 [local 'v'] ; R7: number from 6 to 11 [local 'n'] ; R8: vector from 8 to 10 )"); } TEST_CASE("ForInAutoAnnotationPairs") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenHeader(R"( type Vertex = {pos: vector, normal: vector} local function foo(a: {[string]: Vertex}) local sum = 0 for k, v in pairs(a) do local n = v.pos.X sum += n end return sum end )"), R"( ; function foo(a) line 4 ; R0: table [argument 'a'] ; R1: number from 0 to 14 [local 'sum'] ; R5: string from 5 to 11 [local 'k'] ; R6: table from 5 to 11 [local 'v'] ; R7: number from 6 to 11 [local 'n'] ; R8: vector from 8 to 10 )"); } TEST_CASE("ForInAutoAnnotationGeneric") { ScopedFastFlag sffs[]{{FFlag::LuauLoadTypeInfo, true}, {FFlag::LuauCompileTypeInfo, true}, {FFlag::LuauCodegenTypeInfo, true}, {FFlag::LuauCodegenRemoveDeadStores5, true}, {FFlag::LuauTypeInfoLookupImprovement, true}, {FFlag::LuauCodegenIrTypeNames, true}, {FFlag::LuauCompileTempTypeInfo, true}}; CHECK_EQ("\n" + getCodegenHeader(R"( type Vertex = {pos: vector, normal: vector} local function foo(a: {Vertex}) local sum = 0 for k, v in a do local n = v.pos.X sum += n end return sum end )"), R"( ; function foo(a) line 4 ; R0: table [argument 'a'] ; R1: number from 0 to 13 [local 'sum'] ; R5: number from 4 to 10 [local 'k'] ; R6: table from 4 to 10 [local 'v'] ; R7: number from 5 to 10 [local 'n'] ; R8: vector from 7 to 9 )"); } TEST_SUITE_END();