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test_fast_interp_internals.cpp
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#include "gtest/gtest.h"
#include "fastinterp/fastinterp.hpp"
using namespace PochiVM;
TEST(TestFastInterpInternal, Sanity_1)
{
// Test the simplest case: add two zeros.. no placeholders shall be needed
//
FastInterpCodegenEngine engine;
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::ZERO,
FISimpleOperandShapeCategory::ZERO,
AstArithmeticExprType::ADD,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst2->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
void* fnPtrVoid = gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233));
ReleaseAssert(fnPtrVoid != nullptr);
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(fnPtrVoid);
int result = 233;
fnPtr(reinterpret_cast<uintptr_t>(&result));
ReleaseAssert(result == 0);
}
TEST(TestFastInterpInternal, Sanity_2)
{
// Test arith operation on two literal values
//
FastInterpCodegenEngine engine;
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::MUL,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst->PopulateConstantPlaceholder<int>(1, 123);
inst->PopulateConstantPlaceholder<int>(2, 45678);
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst2->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
void* fnPtrVoid = gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233));
ReleaseAssert(fnPtrVoid != nullptr);
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(fnPtrVoid);
int result = 233;
fnPtr(reinterpret_cast<uintptr_t>(&result));
ReleaseAssert(result == 123 * 45678);
}
TEST(TestFastInterpInternal, Sanity_3)
{
// Test arith operation on two literal values, type is double to test that bitcasting works as expected.
//
FastInterpCodegenEngine engine;
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::MUL,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst->PopulateConstantPlaceholder<float>(1, static_cast<float>(123.456));
inst->PopulateConstantPlaceholder<float>(2, static_cast<float>(789.012));
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst2->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
void* fnPtrVoid = gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233));
ReleaseAssert(fnPtrVoid != nullptr);
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(fnPtrVoid);
float result = 233.4f;
fnPtr(reinterpret_cast<uintptr_t>(&result));
ReleaseAssert(fabs(static_cast<double>(result) - 123.456 * 789.012) < 1e-3);
}
TEST(TestFastInterpInternal, Sanity_4)
{
// Test a expression tree '(a + b) * (c - d)'
//
FastInterpCodegenEngine engine;
// 'a+b'
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::ADD,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
// 'c-d'
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::SUB,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(1),
static_cast<FINumOpaqueFloatingParams>(0)));
// 'mul'
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
AstArithmeticExprType::MUL,
true /*isLhsQAP*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst4 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
FastInterpBoilerplateInstance* inst5 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst3->PopulateBoilerplateFnPtrPlaceholder(0, inst4);
inst4->PopulateBoilerplateFnPtrPlaceholder(0, inst5);
inst->PopulateConstantPlaceholder<int>(1, 321);
inst->PopulateConstantPlaceholder<int>(2, 567);
inst2->PopulateConstantPlaceholder<int>(1, -123);
inst2->PopulateConstantPlaceholder<int>(2, -89);
inst4->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233)));
int result = 233;
fnPtr(reinterpret_cast<uintptr_t>(&result));
ReleaseAssert(result == (321 + 567) * (-123 - (-89)));
}
TEST(TestFastInterpInternal, Sanity_5)
{
// Test a expression tree '(a + b) / (c - d)'
//
FastInterpCodegenEngine engine;
// 'a+b'
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::ADD,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
// 'c-d'
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::SUB,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(1)));
// 'div'
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
AstArithmeticExprType::DIV,
true /*isLhsQAP*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst4 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst5 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst3->PopulateBoilerplateFnPtrPlaceholder(0, inst4);
inst4->PopulateBoilerplateFnPtrPlaceholder(0, inst5);
inst->PopulateConstantPlaceholder<float>(1, 321.09f);
inst->PopulateConstantPlaceholder<float>(2, 567.23f);
inst2->PopulateConstantPlaceholder<float>(1, -123.12f);
inst2->PopulateConstantPlaceholder<float>(2, -89.8f);
inst4->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233)));
float result = 233.4f;
fnPtr(reinterpret_cast<uintptr_t>(&result));
ReleaseAssert(fabs(static_cast<double>(result) - (321.09 + 567.23) / (-123.12 - (-89.8))) < 1e-3);
}
TEST(TestFastInterpInternal, Sanity_6)
{
// Test spill to memory
//
FastInterpCodegenEngine engine;
// 'a+b'
FastInterpBoilerplateInstance* inst = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::ADD,
true /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
// 'c-d'
FastInterpBoilerplateInstance* inst2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::LITERAL_NONZERO,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::SUB,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
// 'div'
FastInterpBoilerplateInstance* inst3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
AstArithmeticExprType::DIV,
false /*isLhsQAP*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst4 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<float>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
static_cast<FINumOpaqueFloatingParams>(0)));
FastInterpBoilerplateInstance* inst5 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
inst->PopulateBoilerplateFnPtrPlaceholder(0, inst2);
inst2->PopulateBoilerplateFnPtrPlaceholder(0, inst3);
inst3->PopulateBoilerplateFnPtrPlaceholder(0, inst4);
inst4->PopulateBoilerplateFnPtrPlaceholder(0, inst5);
inst->PopulateConstantPlaceholder<uint64_t>(0, 4);
inst->PopulateConstantPlaceholder<float>(1, 321.09f);
inst->PopulateConstantPlaceholder<float>(2, 567.23f);
inst2->PopulateConstantPlaceholder<uint64_t>(0, 8);
inst2->PopulateConstantPlaceholder<float>(1, -123.12f);
inst2->PopulateConstantPlaceholder<float>(2, -89.8f);
inst3->PopulateConstantPlaceholder<uint64_t>(1, 4);
inst4->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true, 233, inst);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
using FnType = void(*)(uintptr_t);
FnType fnPtr = reinterpret_cast<FnType>(gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233)));
float result[4];
result[0] = result[1] = result[2] = result[3] = 233.4f;
fnPtr(reinterpret_cast<uintptr_t>(result));
ReleaseAssert(fabs(static_cast<double>(result[0]) - (321.09 + 567.23) / (-123.12 - (-89.8))) < 1e-3);
}
TEST(TestFastInterpInternal, SanityHandwrittenEulerSieve)
{
// This test handrolls Euler's Sieve using FastInterp, just as a more complex sanity test
//
FastInterpCodegenEngine engine;
FastInterpBoilerplateInstance* terminal = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<void>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
// Stack frame: n @ 8, lp @ 16, pr @ 24, cnt @ 32, i @ 36, j @ 40, k @ 44
// int cnt = 0;
//
FastInterpBoilerplateInstance* main_stmt1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::ZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
main_stmt1->PopulateConstantPlaceholder<uint64_t>(0, 32);
// int i = 2;
//
FastInterpBoilerplateInstance* main_stmt2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::LITERAL_NONZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
main_stmt2->PopulateConstantPlaceholder<uint64_t>(0, 36);
main_stmt2->PopulateConstantPlaceholder<int>(2, 2);
main_stmt1->PopulateBoilerplateFnPtrPlaceholder(0, main_stmt2);
// for (; i <=n; ...) ...
//
FastInterpBoilerplateInstance* outer_for_loop = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::LESS_EQUAL), 4 /*log2FunctionAlignment*/);
outer_for_loop->PopulateConstantPlaceholder<uint64_t>(0, 36);
outer_for_loop->PopulateConstantPlaceholder<uint64_t>(2, 8);
main_stmt2->PopulateBoilerplateFnPtrPlaceholder(0, outer_for_loop);
// if (lp[i] == 0) ...
//
FastInterpBoilerplateInstance* if_cond = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
FIOperandShapeCategory::ZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::EQUAL));
if_cond->PopulateConstantPlaceholder<uint64_t>(0, 16);
if_cond->PopulateConstantPlaceholder<uint64_t>(1, 36);
outer_for_loop->PopulateBoilerplateFnPtrPlaceholder(0, if_cond);
// lp[i] = i
//
FastInterpBoilerplateInstance* true_br_stmt_1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
true_br_stmt_1->PopulateConstantPlaceholder<uint64_t>(0, 16);
true_br_stmt_1->PopulateConstantPlaceholder<uint64_t>(1, 36);
true_br_stmt_1->PopulateConstantPlaceholder<uint64_t>(2, 36);
if_cond->PopulateBoilerplateFnPtrPlaceholder(0, true_br_stmt_1);
// pr[cnt] = i
//
FastInterpBoilerplateInstance* true_br_stmt_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
true_br_stmt_2->PopulateConstantPlaceholder<uint64_t>(0, 24);
true_br_stmt_2->PopulateConstantPlaceholder<uint64_t>(1, 32);
true_br_stmt_2->PopulateConstantPlaceholder<uint64_t>(2, 36);
true_br_stmt_1->PopulateBoilerplateFnPtrPlaceholder(0, true_br_stmt_2);
// cnt++
//
FastInterpBoilerplateInstance* true_br_stmt_3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignArithExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::LITERAL_NONZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstArithmeticExprType::ADD));
true_br_stmt_3->PopulateConstantPlaceholder<uint64_t>(0, 32);
true_br_stmt_3->PopulateConstantPlaceholder<uint64_t>(1, 32);
true_br_stmt_3->PopulateConstantPlaceholder<int>(3, 1);
true_br_stmt_2->PopulateBoilerplateFnPtrPlaceholder(0, true_br_stmt_3);
// int j = 0
//
FastInterpBoilerplateInstance* outer_loop_stmt_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::ZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
outer_loop_stmt_2->PopulateConstantPlaceholder<uint64_t>(0, 40);
true_br_stmt_3->PopulateBoilerplateFnPtrPlaceholder(0, outer_loop_stmt_2);
if_cond->PopulateBoilerplateFnPtrPlaceholder(1, outer_loop_stmt_2);
// j < cnt
//
FastInterpBoilerplateInstance* inner_loop_cond_1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::LESS_THAN), 4 /*log2FunctionAlignment*/);
inner_loop_cond_1->PopulateConstantPlaceholder<uint64_t>(0, 40);
inner_loop_cond_1->PopulateConstantPlaceholder<uint64_t>(2, 32);
outer_loop_stmt_2->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_cond_1);
// pr[j] <= lp[i]
//
FastInterpBoilerplateInstance* inner_loop_cond_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
FIOperandShapeCategory::VARPTR_VAR,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::LESS_EQUAL));
inner_loop_cond_2->PopulateConstantPlaceholder<uint64_t>(0, 24);
inner_loop_cond_2->PopulateConstantPlaceholder<uint64_t>(1, 40);
inner_loop_cond_2->PopulateConstantPlaceholder<uint64_t>(2, 16);
inner_loop_cond_2->PopulateConstantPlaceholder<uint64_t>(3, 36);
inner_loop_cond_1->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_cond_2);
// 'i'
//
FastInterpBoilerplateInstance* value_of_i = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIDerefVariableImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
value_of_i->PopulateConstantPlaceholder<uint64_t>(1, 36);
inner_loop_cond_2->PopulateBoilerplateFnPtrPlaceholder(0, value_of_i);
// i * pr[j]
//
FastInterpBoilerplateInstance* ixprj = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
false /*isInlinedSideLhs*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP(),
AstArithmeticExprType::MUL));
ixprj->PopulateConstantPlaceholder<uint64_t>(1, 24);
ixprj->PopulateConstantPlaceholder<uint64_t>(2, 40);
value_of_i->PopulateBoilerplateFnPtrPlaceholder(0, ixprj);
// i * pr[j] <= n
//
FastInterpBoilerplateInstance* inner_loop_cond_3 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
false /*isInlinedSideLhs*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::LESS_EQUAL));
inner_loop_cond_3->PopulateConstantPlaceholder<uint64_t>(0, 8);
ixprj->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_cond_3);
// 'i'
//
FastInterpBoilerplateInstance* value_of_i_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIDerefVariableImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
value_of_i_2->PopulateConstantPlaceholder<uint64_t>(1, 36);
inner_loop_cond_3->PopulateBoilerplateFnPtrPlaceholder(0, value_of_i_2);
// i * pr[j]
//
FastInterpBoilerplateInstance* ixprj_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
false /*isInlinedSideLhs*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP(),
AstArithmeticExprType::MUL));
ixprj_2->PopulateConstantPlaceholder<uint64_t>(1, 24);
ixprj_2->PopulateConstantPlaceholder<uint64_t>(2, 40);
value_of_i_2->PopulateBoilerplateFnPtrPlaceholder(0, ixprj_2);
// lp + i * pr[j]
//
FastInterpBoilerplateInstance* inner_loop_stmt_1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineLhsPointerArithmeticImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
AstArithmeticExprType::ADD,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP(),
static_cast<FIPowerOfTwoObjectSize>(2) /*int is 2^2 bytes*/));
inner_loop_stmt_1->PopulateConstantPlaceholder<uint64_t>(1, 16);
ixprj_2->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_stmt_1);
// *... = pr[j]
//
FastInterpBoilerplateInstance* inner_loop_stmt_2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIPartialInlineRhsAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARPTR_VAR,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
inner_loop_stmt_2->PopulateConstantPlaceholder<uint64_t>(0, 24);
inner_loop_stmt_2->PopulateConstantPlaceholder<uint64_t>(1, 40);
inner_loop_stmt_1->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_stmt_2);
// j++
//
FastInterpBoilerplateInstance* inner_loop_step_stmt = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignArithExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::LITERAL_NONZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstArithmeticExprType::ADD));
inner_loop_step_stmt->PopulateConstantPlaceholder<uint64_t>(0, 40);
inner_loop_step_stmt->PopulateConstantPlaceholder<uint64_t>(1, 40);
inner_loop_step_stmt->PopulateConstantPlaceholder<int>(3, 1);
inner_loop_stmt_2->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_step_stmt);
inner_loop_step_stmt->PopulateBoilerplateFnPtrPlaceholder(0, inner_loop_cond_1);
// i++
//
FastInterpBoilerplateInstance* outer_loop_step_stmt = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignArithExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::LITERAL_NONZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstArithmeticExprType::ADD));
outer_loop_step_stmt->PopulateConstantPlaceholder<uint64_t>(0, 36);
outer_loop_step_stmt->PopulateConstantPlaceholder<uint64_t>(1, 36);
outer_loop_step_stmt->PopulateConstantPlaceholder<int>(3, 1);
inner_loop_cond_1->PopulateBoilerplateFnPtrPlaceholder(1, outer_loop_step_stmt);
inner_loop_cond_2->PopulateBoilerplateFnPtrPlaceholder(1, outer_loop_step_stmt);
inner_loop_cond_3->PopulateBoilerplateFnPtrPlaceholder(1, outer_loop_step_stmt);
outer_loop_step_stmt->PopulateBoilerplateFnPtrPlaceholder(0, outer_for_loop);
// return cnt
//
FastInterpBoilerplateInstance* return_stmt = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlineAssignImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::VARIABLE,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP()));
return_stmt->PopulateConstantPlaceholder<uint64_t>(0, 0, true);
return_stmt->PopulateConstantPlaceholder<uint64_t>(2, 32);
outer_for_loop->PopulateBoilerplateFnPtrPlaceholder(1, return_stmt);
return_stmt->PopulateBoilerplateFnPtrPlaceholder(0, terminal);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<void>().GetDefaultFastInterpTypeId(), true /*isNoExcept*/, 233, main_stmt1);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
void* fnPtrVoid = gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233));
using FnProto = void(*)(uintptr_t);
FnProto fnPtr = reinterpret_cast<FnProto>(fnPtrVoid);
int n = 1000000;
int* lp = new int[static_cast<size_t>(n + 10)];
memset(lp, 0, sizeof(int) * static_cast<size_t>(n + 10));
int* pr = new int[static_cast<size_t>(n + 10)];
memset(pr, 0, sizeof(int) * static_cast<size_t>(n + 10));
{
uint8_t* stackFrame = reinterpret_cast<uint8_t*>(alloca(48));
for (size_t i = 0; i < 48; i++) { stackFrame[i] = static_cast<uint8_t>(rand() % 256); }
*reinterpret_cast<int*>(stackFrame + 8) = n;
*reinterpret_cast<int**>(stackFrame + 16) = lp;
*reinterpret_cast<int**>(stackFrame + 24) = pr;
__pochivm_thread_fastinterp_context.m_stackFrame = reinterpret_cast<uintptr_t>(stackFrame);
fnPtr(reinterpret_cast<uintptr_t>(stackFrame));
int result = *reinterpret_cast<int*>(stackFrame);
ReleaseAssert(result == 78498);
}
}
TEST(TestFastInterpInternal, SanityHandwrittenFibonacci)
{
// This test handrolls fibonacci sequence using FastInterp, just as a more complex sanity test
//
FastInterpCodegenEngine engine;
// stack frame: n @ 8, tmp @ 16
//
FastInterpBoilerplateInstance* fib_fn = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedComparisonFavourTrueBranchImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
TypeId::Get<int32_t>().GetDefaultFastInterpTypeId(),
FIOperandShapeCategory::VARIABLE,
FIOperandShapeCategory::LITERAL_NONZERO,
FIOpaqueParamsHelper::GetMaxOIP(),
FIOpaqueParamsHelper::GetMaxOFP(),
AstComparisonExprType::LESS_EQUAL), 4);
fib_fn->PopulateConstantPlaceholder<uint64_t>(0, 8);
fib_fn->PopulateConstantPlaceholder<int>(2, 2);
FastInterpBoilerplateInstance* lit_1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FILiteralMcMediumImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetOneLevelPtrFastInterpTypeId(),
false /*isAllBitsZero*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
FIOpaqueParamsHelper::GetMaxOFP()));
lit_1->PopulateConstantPlaceholder<uint64_t>(1, 1);
fib_fn->PopulateBoilerplateFnPtrPlaceholder(0, lit_1);
FastInterpBoilerplateInstance* ret_node1 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetOneLevelPtrFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
lit_1->PopulateBoilerplateFnPtrPlaceholder(0, ret_node1);
FastInterpBoilerplateInstance* compute_lhs = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FICallExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetDefaultFastInterpTypeId(),
true /*spillReturnValue*/,
true /*isCalleeNoExcept*/,
FIStackframeSizeCategoryHelper::SelectCategory(24)));
compute_lhs->PopulateConstantPlaceholder<uint64_t>(0, 16);
fib_fn->PopulateBoilerplateFnPtrPlaceholder(1, compute_lhs);
FastInterpBoilerplateInstance* compute_lhs_param = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::VARIABLE,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::SUB,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(1),
FIOpaqueParamsHelper::GetMaxOFP()));
compute_lhs_param->PopulateConstantPlaceholder<uint64_t>(1, 8);
compute_lhs_param->PopulateConstantPlaceholder<int>(2, 1);
compute_lhs->PopulateBoilerplateFnPtrPlaceholder(1, compute_lhs_param);
FastInterpBoilerplateInstance* populate_lhs_param = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FICallExprStoreParamImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
static_cast<FICallExprParamOrd>(0),
false /*hasMore*/));
populate_lhs_param->PopulateBoilerplateFnPtrPlaceholder(0, fib_fn);
compute_lhs_param->PopulateBoilerplateFnPtrPlaceholder(0, populate_lhs_param);
FastInterpBoilerplateInstance* compute_rhs = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FICallExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetDefaultFastInterpTypeId(),
false /*spillReturnValue*/,
true /*isCalleeNoExcept*/,
FIStackframeSizeCategoryHelper::SelectCategory(24)));
compute_lhs->PopulateBoilerplateFnPtrPlaceholder(0, compute_rhs);
FastInterpBoilerplateInstance* compute_rhs_param = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIFullyInlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
FISimpleOperandShapeCategory::VARIABLE,
FISimpleOperandShapeCategory::LITERAL_NONZERO,
AstArithmeticExprType::SUB,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(1),
FIOpaqueParamsHelper::GetMaxOFP()));
compute_rhs_param->PopulateConstantPlaceholder<uint64_t>(1, 8);
compute_rhs_param->PopulateConstantPlaceholder<int>(2, 2);
compute_rhs->PopulateBoilerplateFnPtrPlaceholder(1, compute_rhs_param);
FastInterpBoilerplateInstance* populate_rhs_param = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FICallExprStoreParamImpl>::SelectBoilerplateBluePrint(
TypeId::Get<int>().GetDefaultFastInterpTypeId(),
static_cast<FICallExprParamOrd>(0),
false /*hasMore*/));
populate_rhs_param->PopulateConstantPlaceholder<uint64_t>(0, 8);
populate_rhs_param->PopulateBoilerplateFnPtrPlaceholder(0, fib_fn);
compute_rhs_param->PopulateBoilerplateFnPtrPlaceholder(0, populate_rhs_param);
FastInterpBoilerplateInstance* compute_sum = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedArithmeticExprImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetDefaultFastInterpTypeId(),
AstArithmeticExprType::ADD,
false /*isLhsQAP*/,
false /*spillOutput*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
compute_sum->PopulateConstantPlaceholder<uint64_t>(1, 16);
compute_rhs->PopulateBoilerplateFnPtrPlaceholder(0, compute_sum);
FastInterpBoilerplateInstance* ret_node2 = engine.InstantiateBoilerplate(
FastInterpBoilerplateLibrary<FIOutlinedReturnImpl>::SelectBoilerplateBluePrint(
TypeId::Get<uint64_t>().GetDefaultFastInterpTypeId(),
true /*isNoExcept*/,
false /*exceptionThrown*/,
static_cast<FINumOpaqueIntegralParams>(0),
static_cast<FINumOpaqueFloatingParams>(0)));
compute_sum->PopulateBoilerplateFnPtrPlaceholder(0, ret_node2);
engine.TestOnly_RegisterUnitTestFunctionEntryPoint(TypeId::Get<uint64_t>().GetDefaultFastInterpTypeId(), true /*isNoExcept*/, 233, fib_fn);
std::unique_ptr<FastInterpGeneratedProgram> gp = engine.Materialize();
void* fnPtrVoid = gp->GetGeneratedFunctionAddress(reinterpret_cast<AstFunction*>(233));
using FnProto = uint64_t(*)(uintptr_t);
FnProto fib = reinterpret_cast<FnProto>(fnPtrVoid);
{
uint8_t* stackFrame = reinterpret_cast<uint8_t*>(alloca(24));
for (size_t i = 0; i < 24; i++) { stackFrame[i] = static_cast<uint8_t>(rand() % 256); }
*reinterpret_cast<int*>(stackFrame + 8) = 25;
uint64_t result = fib(reinterpret_cast<uintptr_t>(stackFrame));
ReleaseAssert(result == 75025);
}
}
// Test StackFrameManager
//
TEST(TestFastInterpInternal, SanityStackFrameManager_1)
{
FIStackFrameManager sfm;
ReleaseAssert(sfm.PushLocalVar(TypeId::Get<int>()) == 8);
ReleaseAssert(sfm.PushLocalVar(TypeId::Get<uint64_t>()) == 16);
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<float>());
sfm.PushTemp(TypeId::Get<double>());
sfm.PushTemp(TypeId::Get<double>());
sfm.PushTemp(TypeId::Get<double>());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
sfm.PushTemp(TypeId::Get<double>());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
sfm.PushTemp(TypeId::Get<int>());
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).IsNoSpill());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
ReleaseAssert(sfm.PopTemp(TypeId::Get<float>()).GetSpillLocation() == 24);
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).IsNoSpill());
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).IsNoSpill());
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).GetSpillLocation() == 32);
sfm.PopLocalVar(TypeId::Get<uint64_t>());
sfm.PopLocalVar(TypeId::Get<int>());
ReleaseAssert(sfm.GetFinalStackFrameSize() == 40);
}
TEST(TestFastInterpInternal, SanityStackFrameManager_2)
{
FIStackFrameManager sfm;
ReleaseAssert(sfm.PushLocalVar(TypeId::Get<int>()) == 8);
ReleaseAssert(sfm.PushLocalVar(TypeId::Get<uint64_t>()) == 16);
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<int>());
sfm.PushTemp(TypeId::Get<float>());
sfm.PushTemp(TypeId::Get<double>());
sfm.PushTemp(TypeId::Get<double>());
sfm.PushTemp(TypeId::Get<double>());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
sfm.PushTemp(TypeId::Get<double>());
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).IsNoSpill());
sfm.PushTemp(TypeId::Get<int>());
sfm.ForceSpillAll();
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).GetSpillLocation() == 56);
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).GetSpillLocation() == 72);
ReleaseAssert(sfm.PopTemp(TypeId::Get<double>()).GetSpillLocation() == 64);
ReleaseAssert(sfm.PopTemp(TypeId::Get<float>()).GetSpillLocation() == 24);
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).GetSpillLocation() == 48);
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).GetSpillLocation() == 40);
ReleaseAssert(sfm.PopTemp(TypeId::Get<int>()).GetSpillLocation() == 32);
sfm.PopLocalVar(TypeId::Get<uint64_t>());
sfm.PopLocalVar(TypeId::Get<int>());
ReleaseAssert(sfm.GetFinalStackFrameSize() == 80);
}