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58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#include "Luau/IrRegAllocX64.h"
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#include "doctest.h"
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using namespace Luau::CodeGen;
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using namespace Luau::CodeGen::X64;
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class IrRegAllocX64Fixture
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{
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public:
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IrRegAllocX64Fixture()
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: build(/* logText */ true, ABIX64::Windows)
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, regs(build, function)
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{
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}
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void checkMatch(std::string expected)
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{
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build.finalize();
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CHECK("\n" + build.text == expected);
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}
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AssemblyBuilderX64 build;
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IrFunction function;
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IrRegAllocX64 regs;
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};
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TEST_SUITE_BEGIN("IrRegAllocX64");
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TEST_CASE_FIXTURE(IrRegAllocX64Fixture, "RelocateFix")
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{
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IrInst irInst0{IrCmd::LOAD_DOUBLE};
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irInst0.lastUse = 2;
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function.instructions.push_back(irInst0);
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IrInst irInst1{IrCmd::LOAD_DOUBLE};
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irInst1.lastUse = 2;
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function.instructions.push_back(irInst1);
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function.instructions[0].regX64 = regs.takeReg(rax, 0);
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regs.preserve(function.instructions[0]);
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function.instructions[1].regX64 = regs.takeReg(rax, 1);
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regs.restore(function.instructions[0], true);
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LUAU_ASSERT(function.instructions[0].regX64 == rax);
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LUAU_ASSERT(function.instructions[1].spilled);
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checkMatch(R"(
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vmovsd qword ptr [rsp+048h],rax
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vmovsd qword ptr [rsp+050h],rax
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vmovsd rax,qword ptr [rsp+048h]
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)");
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}
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TEST_SUITE_END();
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