luau/tests/IrLowering.test.cpp
vegorov-rbx cdd1a380db
Sync to upstream/release/609 (#1150)
### What's changed?
* Syntax for [read-only and write-only
properties](https://github.com/luau-lang/rfcs/pull/15) is now parsed,
but is not yet supported in typechecking

### New Type Solver
* `keyof` and `rawkeyof` type operators have been updated to match final
text of the [RFC](https://github.com/luau-lang/rfcs/pull/16)
* Fixed issues with cyclic type families that were generated for mutable
loop variables

### Native Code Generation
* Fixed inference for number / vector operation that caused an
unnecessary VM assist

---
### Internal Contributors
Co-authored-by: Aaron Weiss <aaronweiss@roblox.com>
Co-authored-by: Andy Friesen <afriesen@roblox.com>
Co-authored-by: Lily Brown <lbrown@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-01-19 10:04:46 -08:00

91 lines
2.3 KiB
C++

// 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 <memory>
LUAU_FASTFLAG(LuauFixDivrkInference)
LUAU_FASTFLAG(LuauCompileRevK)
static std::string getCodegenAssembly(const char* source)
{
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.includeIrPrefix = false;
options.includeUseInfo = false;
options.includeCfgInfo = false;
options.includeRegFlowInfo = false;
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 = 1;
copts.vectorCtor = "vector";
copts.vectorType = "vector";
Luau::BytecodeBuilder bcb;
Luau::compileOrThrow(bcb, result, names, copts);
std::string bytecode = bcb.getBytecode();
std::unique_ptr<lua_State, void (*)(lua_State*)> 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 "";
}
TEST_SUITE_BEGIN("IrLowering");
TEST_CASE("VectorReciprocal")
{
ScopedFastFlag luauFixDivrkInference{FFlag::LuauFixDivrkInference, true};
ScopedFastFlag luauCompileRevK{FFlag::LuauCompileRevK, true};
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:
JUMP bb_fallback_3
bb_4:
INTERRUPT 1u
RETURN R1, 1i
)");
}
TEST_SUITE_END();