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test_generated_function_pointer.cpp
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#include "gtest/gtest.h"
#include "pochivm.h"
#include "test_util_helper.h"
using namespace PochiVM;
TEST(SanityGeneratedFunctionPointer, Sanity_1)
{
AutoThreadPochiVMContext apv;
AutoThreadErrorContext arc;
AutoThreadLLVMCodegenContext alc;
thread_pochiVMContext->m_curModule = new AstModule("test");
using FnPrototype = int(*)(int, int);
auto [fn, a, b] = NewFunction<FnPrototype>("a_plus_b");
fn.SetBody(Return(a + b));
using FnPrototype2 = uintptr_t(*)();
auto [fn2] = NewFunction<FnPrototype2>("get_ptr");
fn2.SetBody(Return(GetGeneratedFunctionPointer("a_plus_b")));
ReleaseAssert(thread_pochiVMContext->m_curModule->Validate());
ReleaseAssert(!thread_errorContext->HasError());
thread_pochiVMContext->m_curModule->PrepareForDebugInterp();
{
auto interpFn = thread_pochiVMContext->m_curModule->
GetDebugInterpGeneratedFunction<FnPrototype2>("get_ptr");
uintptr_t p = interpFn();
ReleaseAssert((p >> 62) == 2);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->PrepareForFastInterp();
{
FastInterpFunction<FnPrototype2> interpFn = thread_pochiVMContext->m_curModule->
GetFastInterpGeneratedFunction<FnPrototype2>("get_ptr");
uintptr_t p = interpFn();
ReleaseAssert((p >> 62) == 1);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->EmitIR();
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
if (x_isDebugBuild)
{
AssertIsExpectedOutput(dump, "debug_before_opt");
}
else
{
AssertIsExpectedOutput(dump, "nondebug_before_opt");
}
}
thread_pochiVMContext->m_curModule->OptimizeIRIfNotDebugMode(2 /*optLevel*/);
if (!x_isDebugBuild)
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
AssertIsExpectedOutput(dump, "after_opt");
}
SimpleJIT jit;
jit.SetAllowResolveSymbolInHostProcess(true);
jit.SetModule(thread_pochiVMContext->m_curModule);
{
FnPrototype2 jitFn = jit.GetFunction<FnPrototype2>("get_ptr");
uintptr_t p = jitFn();
ReleaseAssert((p >> 62) == 0);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
}
}
TEST(SanityGeneratedFunctionPointer, Sanity_2)
{
AutoThreadPochiVMContext apv;
AutoThreadErrorContext arc;
AutoThreadLLVMCodegenContext alc;
thread_pochiVMContext->m_curModule = new AstModule("test");
using FnPrototype = int(*)(int, int) noexcept;
auto [fn, a, b] = NewFunction<FnPrototype>("a_plus_b");
fn.SetBody(Return(a + b));
using FnPrototype2 = uintptr_t(*)();
auto [fn2] = NewFunction<FnPrototype2>("get_ptr");
fn2.SetBody(Return(GetGeneratedFunctionPointer("a_plus_b")));
ReleaseAssert(thread_pochiVMContext->m_curModule->Validate());
ReleaseAssert(!thread_errorContext->HasError());
thread_pochiVMContext->m_curModule->PrepareForDebugInterp();
{
auto interpFn = thread_pochiVMContext->m_curModule->
GetDebugInterpGeneratedFunction<FnPrototype2>("get_ptr");
uintptr_t p = interpFn();
ReleaseAssert((p >> 62) == 2);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
ReleaseAssert(GeneratedFunctionPointer<int(*)(int, int)>(p)(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->PrepareForFastInterp();
{
FastInterpFunction<FnPrototype2> interpFn = thread_pochiVMContext->m_curModule->
GetFastInterpGeneratedFunction<FnPrototype2>("get_ptr");
uintptr_t p = interpFn();
ReleaseAssert((p >> 62) == 1);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
ReleaseAssert(GeneratedFunctionPointer<int(*)(int, int)>(p)(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->EmitIR();
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
if (x_isDebugBuild)
{
AssertIsExpectedOutput(dump, "debug_before_opt");
}
else
{
AssertIsExpectedOutput(dump, "nondebug_before_opt");
}
}
thread_pochiVMContext->m_curModule->OptimizeIRIfNotDebugMode(2 /*optLevel*/);
if (!x_isDebugBuild)
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
AssertIsExpectedOutput(dump, "after_opt");
}
SimpleJIT jit;
jit.SetAllowResolveSymbolInHostProcess(true);
jit.SetModule(thread_pochiVMContext->m_curModule);
{
FnPrototype2 jitFn = jit.GetFunction<FnPrototype2>("get_ptr");
uintptr_t p = jitFn();
ReleaseAssert((p >> 62) == 0);
ReleaseAssert(GeneratedFunctionPointer<FnPrototype>(p)(123, 456) == 123 + 456);
ReleaseAssert(GeneratedFunctionPointer<int(*)(int, int)>(p)(123, 456) == 123 + 456);
}
}
TEST(SanityGeneratedFunctionPointer, Sanity_3)
{
AutoThreadPochiVMContext apv;
AutoThreadErrorContext arc;
AutoThreadLLVMCodegenContext alc;
thread_pochiVMContext->m_curModule = new AstModule("test");
using FnPrototype = int(*)(int, int);
{
auto [fn, a, b] = NewFunction<FnPrototype>("a_plus_b");
fn.SetBody(Return(a + b));
}
{
auto [fn, a, b] = NewFunction<FnPrototype>("testfn");
auto v = fn.NewVariable<TestGeneratedFnPtr>();
fn.SetBody(
Declare(v, Constructor<TestGeneratedFnPtr>(GetGeneratedFunctionPointer("a_plus_b"))),
Return(v.execute(a, b))
);
}
ReleaseAssert(thread_pochiVMContext->m_curModule->Validate());
ReleaseAssert(!thread_errorContext->HasError());
thread_pochiVMContext->m_curModule->PrepareForDebugInterp();
{
auto interpFn = thread_pochiVMContext->m_curModule->
GetDebugInterpGeneratedFunction<FnPrototype>("testfn");
ReleaseAssert(interpFn(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->PrepareForFastInterp();
{
FastInterpFunction<FnPrototype> interpFn = thread_pochiVMContext->m_curModule->
GetFastInterpGeneratedFunction<FnPrototype>("testfn");
ReleaseAssert(interpFn(123, 456) == 123 + 456);
}
thread_pochiVMContext->m_curModule->EmitIR();
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
if (x_isDebugBuild)
{
AssertIsExpectedOutput(dump, "debug_before_opt");
}
else
{
AssertIsExpectedOutput(dump, "nondebug_before_opt");
}
}
thread_pochiVMContext->m_curModule->OptimizeIRIfNotDebugMode(2 /*optLevel*/);
if (!x_isDebugBuild)
{
std::string _dst;
llvm::raw_string_ostream rso(_dst /*target*/);
thread_pochiVMContext->m_curModule->GetBuiltLLVMModule()->print(rso, nullptr);
std::string& dump = rso.str();
AssertIsExpectedOutput(dump, "after_opt");
}
SimpleJIT jit;
jit.SetAllowResolveSymbolInHostProcess(true);
jit.SetModule(thread_pochiVMContext->m_curModule);
{
FnPrototype jitFn = jit.GetFunction<FnPrototype>("testfn");
ReleaseAssert(jitFn(123, 456) == 123 + 456);
}
}