| Index: test/cctest/compiler/compiler/test-machine-operator-reducer.cc
|
| diff --git a/test/cctest/compiler/compiler/test-machine-operator-reducer.cc b/test/cctest/compiler/compiler/test-machine-operator-reducer.cc
|
| deleted file mode 100644
|
| index 6a82f5a0aec4ad44c33efc8701a3aa9ed366f03c..0000000000000000000000000000000000000000
|
| --- a/test/cctest/compiler/compiler/test-machine-operator-reducer.cc
|
| +++ /dev/null
|
| @@ -1,776 +0,0 @@
|
| -// Copyright 2014 the V8 project authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "test/cctest/cctest.h"
|
| -
|
| -#include "src/base/utils/random-number-generator.h"
|
| -#include "src/compiler/graph-inl.h"
|
| -#include "src/compiler/machine-operator-reducer.h"
|
| -#include "test/cctest/compiler/value-helper.h"
|
| -
|
| -using namespace v8::internal;
|
| -using namespace v8::internal::compiler;
|
| -
|
| -template <typename T>
|
| -Operator* NewConstantOperator(CommonOperatorBuilder* common, volatile T value);
|
| -
|
| -template <>
|
| -Operator* NewConstantOperator<int32_t>(CommonOperatorBuilder* common,
|
| - volatile int32_t value) {
|
| - return common->Int32Constant(value);
|
| -}
|
| -
|
| -template <>
|
| -Operator* NewConstantOperator<double>(CommonOperatorBuilder* common,
|
| - volatile double value) {
|
| - return common->Float64Constant(value);
|
| -}
|
| -
|
| -
|
| -class ReducerTester : public HandleAndZoneScope {
|
| - public:
|
| - ReducerTester()
|
| - : isolate(main_isolate()),
|
| - binop(NULL),
|
| - unop(NULL),
|
| - machine(main_zone()),
|
| - common(main_zone()),
|
| - graph(main_zone()),
|
| - maxuint32(Constant<int32_t>(kMaxUInt32)) {}
|
| -
|
| - Isolate* isolate;
|
| - Operator* binop;
|
| - Operator* unop;
|
| - MachineOperatorBuilder machine;
|
| - CommonOperatorBuilder common;
|
| - Graph graph;
|
| - Node* maxuint32;
|
| -
|
| - template <typename T>
|
| - Node* Constant(volatile T value) {
|
| - return graph.NewNode(NewConstantOperator<T>(&common, value));
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to constants {a} and {b}
|
| - // yields the {expect} value.
|
| - template <typename T>
|
| - void CheckFoldBinop(volatile T expect, volatile T a, volatile T b) {
|
| - CheckFoldBinop<T>(expect, Constant<T>(a), Constant<T>(b));
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to {a} and {b} yields
|
| - // the {expect} value.
|
| - template <typename T>
|
| - void CheckFoldBinop(volatile T expect, Node* a, Node* b) {
|
| - CHECK_NE(NULL, binop);
|
| - Node* n = graph.NewNode(binop, a, b);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(reduction.Changed());
|
| - CHECK_NE(n, reduction.replacement());
|
| - CHECK_EQ(expect, ValueOf<T>(reduction.replacement()->op()));
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to {a} and {b} yields
|
| - // the {expect} node.
|
| - void CheckBinop(Node* expect, Node* a, Node* b) {
|
| - CHECK_NE(NULL, binop);
|
| - Node* n = graph.NewNode(binop, a, b);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(reduction.Changed());
|
| - CHECK_EQ(expect, reduction.replacement());
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to {left} and {right} yields
|
| - // this binop applied to {left_expect} and {right_expect}.
|
| - void CheckFoldBinop(Node* left_expect, Node* right_expect, Node* left,
|
| - Node* right) {
|
| - CHECK_NE(NULL, binop);
|
| - Node* n = graph.NewNode(binop, left, right);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(reduction.Changed());
|
| - CHECK_EQ(binop, reduction.replacement()->op());
|
| - CHECK_EQ(left_expect, reduction.replacement()->InputAt(0));
|
| - CHECK_EQ(right_expect, reduction.replacement()->InputAt(1));
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to {left} and {right} yields
|
| - // the {op_expect} applied to {left_expect} and {right_expect}.
|
| - template <typename T>
|
| - void CheckFoldBinop(volatile T left_expect, Operator* op_expect,
|
| - Node* right_expect, Node* left, Node* right) {
|
| - CHECK_NE(NULL, binop);
|
| - Node* n = graph.NewNode(binop, left, right);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction r = reducer.Reduce(n);
|
| - CHECK(r.Changed());
|
| - CHECK_EQ(op_expect->opcode(), r.replacement()->op()->opcode());
|
| - CHECK_EQ(left_expect, ValueOf<T>(r.replacement()->InputAt(0)->op()));
|
| - CHECK_EQ(right_expect, r.replacement()->InputAt(1));
|
| - }
|
| -
|
| - // Check that the reduction of this binop applied to {left} and {right} yields
|
| - // the {op_expect} applied to {left_expect} and {right_expect}.
|
| - template <typename T>
|
| - void CheckFoldBinop(Node* left_expect, Operator* op_expect,
|
| - volatile T right_expect, Node* left, Node* right) {
|
| - CHECK_NE(NULL, binop);
|
| - Node* n = graph.NewNode(binop, left, right);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction r = reducer.Reduce(n);
|
| - CHECK(r.Changed());
|
| - CHECK_EQ(op_expect->opcode(), r.replacement()->op()->opcode());
|
| - CHECK_EQ(left_expect, r.replacement()->InputAt(0));
|
| - CHECK_EQ(right_expect, ValueOf<T>(r.replacement()->InputAt(1)->op()));
|
| - }
|
| -
|
| - // Check that if the given constant appears on the left, the reducer will
|
| - // swap it to be on the right.
|
| - template <typename T>
|
| - void CheckPutConstantOnRight(volatile T constant) {
|
| - // TODO(titzer): CHECK(binop->HasProperty(Operator::kCommutative));
|
| - Node* p = Parameter();
|
| - Node* k = Constant<T>(constant);
|
| - {
|
| - Node* n = graph.NewNode(binop, k, p);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(!reduction.Changed() || reduction.replacement() == n);
|
| - CHECK_EQ(p, n->InputAt(0));
|
| - CHECK_EQ(k, n->InputAt(1));
|
| - }
|
| - {
|
| - Node* n = graph.NewNode(binop, p, k);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(!reduction.Changed());
|
| - CHECK_EQ(p, n->InputAt(0));
|
| - CHECK_EQ(k, n->InputAt(1));
|
| - }
|
| - }
|
| -
|
| - // Check that if the given constant appears on the left, the reducer will
|
| - // *NOT* swap it to be on the right.
|
| - template <typename T>
|
| - void CheckDontPutConstantOnRight(volatile T constant) {
|
| - CHECK(!binop->HasProperty(Operator::kCommutative));
|
| - Node* p = Parameter();
|
| - Node* k = Constant<T>(constant);
|
| - Node* n = graph.NewNode(binop, k, p);
|
| - MachineOperatorReducer reducer(&graph);
|
| - Reduction reduction = reducer.Reduce(n);
|
| - CHECK(!reduction.Changed());
|
| - CHECK_EQ(k, n->InputAt(0));
|
| - CHECK_EQ(p, n->InputAt(1));
|
| - }
|
| -
|
| - Node* Parameter(int32_t index = 0) {
|
| - return graph.NewNode(common.Parameter(index));
|
| - }
|
| -};
|
| -
|
| -
|
| -TEST(ReduceWord32And) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32And();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x & y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(33);
|
| - R.CheckPutConstantOnRight(44000);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* minus_1 = R.Constant<int32_t>(-1);
|
| -
|
| - R.CheckBinop(zero, x, zero); // x & 0 => 0
|
| - R.CheckBinop(zero, zero, x); // 0 & x => 0
|
| - R.CheckBinop(x, x, minus_1); // x & -1 => 0
|
| - R.CheckBinop(x, minus_1, x); // -1 & x => 0
|
| - R.CheckBinop(x, x, x); // x & x => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Or) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Or();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x | y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(36);
|
| - R.CheckPutConstantOnRight(44001);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* minus_1 = R.Constant<int32_t>(-1);
|
| -
|
| - R.CheckBinop(x, x, zero); // x & 0 => x
|
| - R.CheckBinop(x, zero, x); // 0 & x => x
|
| - R.CheckBinop(minus_1, x, minus_1); // x & -1 => -1
|
| - R.CheckBinop(minus_1, minus_1, x); // -1 & x => -1
|
| - R.CheckBinop(x, x, x); // x & x => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Xor) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Xor();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x ^ y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(39);
|
| - R.CheckPutConstantOnRight(4403);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x ^ 0 => x
|
| - R.CheckBinop(x, zero, x); // 0 ^ x => x
|
| - R.CheckFoldBinop<int32_t>(0, x, x); // x ^ x => 0
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Shl) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Shl();
|
| -
|
| - // TODO(titzer): out of range shifts
|
| - FOR_INT32_INPUTS(i) {
|
| - for (int y = 0; y < 32; y++) {
|
| - int32_t x = *i;
|
| - R.CheckFoldBinop<int32_t>(x << y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(44);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x << 0 => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Shr) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Shr();
|
| -
|
| - // TODO(titzer): test out of range shifts
|
| - FOR_UINT32_INPUTS(i) {
|
| - for (uint32_t y = 0; y < 32; y++) {
|
| - uint32_t x = *i;
|
| - R.CheckFoldBinop<int32_t>(x >> y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(44);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x >>> 0 => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Sar) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Sar();
|
| -
|
| - // TODO(titzer): test out of range shifts
|
| - FOR_INT32_INPUTS(i) {
|
| - for (int32_t y = 0; y < 32; y++) {
|
| - int32_t x = *i;
|
| - R.CheckFoldBinop<int32_t>(x >> y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(44);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x >> 0 => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceWord32Equal) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Word32Equal();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x == y ? 1 : 0, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(48);
|
| - R.CheckPutConstantOnRight(-48);
|
| -
|
| - Node* x = R.Parameter(0);
|
| - Node* y = R.Parameter(1);
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* sub = R.graph.NewNode(R.machine.Int32Sub(), x, y);
|
| -
|
| - R.CheckFoldBinop<int32_t>(1, x, x); // x == x => 1
|
| - R.CheckFoldBinop(x, y, sub, zero); // x - y == 0 => x == y
|
| - R.CheckFoldBinop(x, y, zero, sub); // 0 == x - y => x == y
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32Add) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32Add();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x + y, x, y); // TODO(titzer): signed overflow
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(41);
|
| - R.CheckPutConstantOnRight(4407);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x + 0 => x
|
| - R.CheckBinop(x, zero, x); // 0 + x => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32Sub) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32Sub();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x - y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(412);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckBinop(x, x, zero); // x - 0 => x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32Mul) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32Mul();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x * y, x, y); // TODO(titzer): signed overflow
|
| - }
|
| - }
|
| -
|
| - R.CheckPutConstantOnRight(4111);
|
| - R.CheckPutConstantOnRight(-4407);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* one = R.Constant<int32_t>(1);
|
| - Node* minus_one = R.Constant<int32_t>(-1);
|
| -
|
| - R.CheckBinop(zero, x, zero); // x * 0 => 0
|
| - R.CheckBinop(zero, zero, x); // 0 * x => 0
|
| - R.CheckBinop(x, x, one); // x * 1 => x
|
| - R.CheckBinop(x, one, x); // 1 * x => x
|
| - R.CheckFoldBinop<int32_t>(0, R.machine.Int32Sub(), x, minus_one,
|
| - x); // -1 * x => 0 - x
|
| - R.CheckFoldBinop<int32_t>(0, R.machine.Int32Sub(), x, x,
|
| - minus_one); // x * -1 => 0 - x
|
| -
|
| - for (int32_t n = 1; n < 31; ++n) {
|
| - Node* multiplier = R.Constant<int32_t>(1 << n);
|
| - R.CheckFoldBinop<int32_t>(x, R.machine.Word32Shl(), n, x,
|
| - multiplier); // x * 2^n => x << n
|
| - R.CheckFoldBinop<int32_t>(x, R.machine.Word32Shl(), n, multiplier,
|
| - x); // 2^n * x => x << n
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32Div) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32Div();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - if (y == 0) continue; // TODO(titzer): test / 0
|
| - int32_t r = y == -1 ? -x : x / y; // INT_MIN / -1 may explode in C
|
| - R.CheckFoldBinop<int32_t>(r, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(41111);
|
| - R.CheckDontPutConstantOnRight(-44071);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<int32_t>(1);
|
| - Node* minus_one = R.Constant<int32_t>(-1);
|
| -
|
| - R.CheckBinop(x, x, one); // x / 1 => x
|
| - // TODO(titzer): // 0 / x => 0 if x != 0
|
| - // TODO(titzer): // x / 2^n => x >> n and round
|
| - R.CheckFoldBinop<int32_t>(0, R.machine.Int32Sub(), x, x,
|
| - minus_one); // x / -1 => 0 - x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32UDiv) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32UDiv();
|
| -
|
| - FOR_UINT32_INPUTS(pl) {
|
| - FOR_UINT32_INPUTS(pr) {
|
| - uint32_t x = *pl, y = *pr;
|
| - if (y == 0) continue; // TODO(titzer): test / 0
|
| - R.CheckFoldBinop<int32_t>(x / y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(41311);
|
| - R.CheckDontPutConstantOnRight(-44371);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<int32_t>(1);
|
| -
|
| - R.CheckBinop(x, x, one); // x / 1 => x
|
| - // TODO(titzer): // 0 / x => 0 if x != 0
|
| -
|
| - for (uint32_t n = 1; n < 32; ++n) {
|
| - Node* divisor = R.Constant<int32_t>(1u << n);
|
| - R.CheckFoldBinop<int32_t>(x, R.machine.Word32Shr(), n, x,
|
| - divisor); // x / 2^n => x >> n
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32Mod) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32Mod();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - if (y == 0) continue; // TODO(titzer): test % 0
|
| - int32_t r = y == -1 ? 0 : x % y; // INT_MIN % -1 may explode in C
|
| - R.CheckFoldBinop<int32_t>(r, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(413);
|
| - R.CheckDontPutConstantOnRight(-4401);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<int32_t>(1);
|
| -
|
| - R.CheckFoldBinop<int32_t>(0, x, one); // x % 1 => 0
|
| - // TODO(titzer): // x % 2^n => x & 2^n-1 and round
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32UMod) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32UMod();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - uint32_t x = *pl, y = *pr;
|
| - if (y == 0) continue; // TODO(titzer): test x % 0
|
| - R.CheckFoldBinop<int32_t>(x % y, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(417);
|
| - R.CheckDontPutConstantOnRight(-4371);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<int32_t>(1);
|
| -
|
| - R.CheckFoldBinop<int32_t>(0, x, one); // x % 1 => 0
|
| -
|
| - for (uint32_t n = 1; n < 32; ++n) {
|
| - Node* divisor = R.Constant<int32_t>(1u << n);
|
| - R.CheckFoldBinop<int32_t>(x, R.machine.Word32And(), (1u << n) - 1, x,
|
| - divisor); // x % 2^n => x & 2^n-1
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32LessThan) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32LessThan();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x < y ? 1 : 0, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(41399);
|
| - R.CheckDontPutConstantOnRight(-440197);
|
| -
|
| - Node* x = R.Parameter(0);
|
| - Node* y = R.Parameter(1);
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* sub = R.graph.NewNode(R.machine.Int32Sub(), x, y);
|
| -
|
| - R.CheckFoldBinop<int32_t>(0, x, x); // x < x => 0
|
| - R.CheckFoldBinop(x, y, sub, zero); // x - y < 0 => x < y
|
| - R.CheckFoldBinop(y, x, zero, sub); // 0 < x - y => y < x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceInt32LessThanOrEqual) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Int32LessThanOrEqual();
|
| -
|
| - FOR_INT32_INPUTS(pl) {
|
| - FOR_INT32_INPUTS(pr) {
|
| - int32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x <= y ? 1 : 0, x, y);
|
| - }
|
| - }
|
| -
|
| - FOR_INT32_INPUTS(i) { R.CheckDontPutConstantOnRight<int32_t>(*i); }
|
| -
|
| - Node* x = R.Parameter(0);
|
| - Node* y = R.Parameter(1);
|
| - Node* zero = R.Constant<int32_t>(0);
|
| - Node* sub = R.graph.NewNode(R.machine.Int32Sub(), x, y);
|
| -
|
| - R.CheckFoldBinop<int32_t>(1, x, x); // x <= x => 1
|
| - R.CheckFoldBinop(x, y, sub, zero); // x - y <= 0 => x <= y
|
| - R.CheckFoldBinop(y, x, zero, sub); // 0 <= x - y => y <= x
|
| -}
|
| -
|
| -
|
| -TEST(ReduceUint32LessThan) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Uint32LessThan();
|
| -
|
| - FOR_UINT32_INPUTS(pl) {
|
| - FOR_UINT32_INPUTS(pr) {
|
| - uint32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x < y ? 1 : 0, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(41399);
|
| - R.CheckDontPutConstantOnRight(-440197);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* max = R.maxuint32;
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckFoldBinop<int32_t>(0, max, x); // M < x => 0
|
| - R.CheckFoldBinop<int32_t>(0, x, zero); // x < 0 => 0
|
| - R.CheckFoldBinop<int32_t>(0, x, x); // x < x => 0
|
| -}
|
| -
|
| -
|
| -TEST(ReduceUint32LessThanOrEqual) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Uint32LessThanOrEqual();
|
| -
|
| - FOR_UINT32_INPUTS(pl) {
|
| - FOR_UINT32_INPUTS(pr) {
|
| - uint32_t x = *pl, y = *pr;
|
| - R.CheckFoldBinop<int32_t>(x <= y ? 1 : 0, x, y);
|
| - }
|
| - }
|
| -
|
| - R.CheckDontPutConstantOnRight(41399);
|
| - R.CheckDontPutConstantOnRight(-440197);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* max = R.maxuint32;
|
| - Node* zero = R.Constant<int32_t>(0);
|
| -
|
| - R.CheckFoldBinop<int32_t>(1, x, max); // x <= M => 1
|
| - R.CheckFoldBinop<int32_t>(1, zero, x); // 0 <= x => 1
|
| - R.CheckFoldBinop<int32_t>(1, x, x); // x <= x => 1
|
| -}
|
| -
|
| -
|
| -TEST(ReduceLoadStore) {
|
| - ReducerTester R;
|
| -
|
| - Node* base = R.Constant<int32_t>(11);
|
| - Node* index = R.Constant<int32_t>(4);
|
| - Node* load = R.graph.NewNode(R.machine.Load(kMachineWord32), base, index);
|
| -
|
| - {
|
| - MachineOperatorReducer reducer(&R.graph);
|
| - Reduction reduction = reducer.Reduce(load);
|
| - CHECK(!reduction.Changed()); // loads should not be reduced.
|
| - }
|
| -
|
| - {
|
| - Node* store =
|
| - R.graph.NewNode(R.machine.Store(kMachineWord32), base, index, load);
|
| - MachineOperatorReducer reducer(&R.graph);
|
| - Reduction reduction = reducer.Reduce(store);
|
| - CHECK(!reduction.Changed()); // stores should not be reduced.
|
| - }
|
| -}
|
| -
|
| -
|
| -static void CheckNans(ReducerTester* R) {
|
| - Node* x = R->Parameter();
|
| - std::vector<double> nans = ValueHelper::nan_vector();
|
| - for (std::vector<double>::const_iterator pl = nans.begin(); pl != nans.end();
|
| - ++pl) {
|
| - for (std::vector<double>::const_iterator pr = nans.begin();
|
| - pr != nans.end(); ++pr) {
|
| - Node* nan1 = R->Constant<double>(*pl);
|
| - Node* nan2 = R->Constant<double>(*pr);
|
| - R->CheckBinop(nan1, x, nan1); // x % NaN => NaN
|
| - R->CheckBinop(nan1, nan1, x); // NaN % x => NaN
|
| - R->CheckBinop(nan1, nan2, nan1); // NaN % NaN => NaN
|
| - }
|
| - }
|
| -}
|
| -
|
| -
|
| -TEST(ReduceFloat64Add) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Float64Add();
|
| -
|
| - FOR_FLOAT64_INPUTS(pl) {
|
| - FOR_FLOAT64_INPUTS(pr) {
|
| - double x = *pl, y = *pr;
|
| - R.CheckFoldBinop<double>(x + y, x, y);
|
| - }
|
| - }
|
| -
|
| - FOR_FLOAT64_INPUTS(i) { R.CheckPutConstantOnRight(*i); }
|
| - // TODO(titzer): CheckNans(&R);
|
| -}
|
| -
|
| -
|
| -TEST(ReduceFloat64Sub) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Float64Sub();
|
| -
|
| - FOR_FLOAT64_INPUTS(pl) {
|
| - FOR_FLOAT64_INPUTS(pr) {
|
| - double x = *pl, y = *pr;
|
| - R.CheckFoldBinop<double>(x - y, x, y);
|
| - }
|
| - }
|
| - // TODO(titzer): CheckNans(&R);
|
| -}
|
| -
|
| -
|
| -TEST(ReduceFloat64Mul) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Float64Mul();
|
| -
|
| - FOR_FLOAT64_INPUTS(pl) {
|
| - FOR_FLOAT64_INPUTS(pr) {
|
| - double x = *pl, y = *pr;
|
| - R.CheckFoldBinop<double>(x * y, x, y);
|
| - }
|
| - }
|
| -
|
| - double inf = V8_INFINITY;
|
| - R.CheckPutConstantOnRight(-inf);
|
| - R.CheckPutConstantOnRight(-0.1);
|
| - R.CheckPutConstantOnRight(0.1);
|
| - R.CheckPutConstantOnRight(inf);
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<double>(1.0);
|
| -
|
| - R.CheckBinop(x, x, one); // x * 1.0 => x
|
| - R.CheckBinop(x, one, x); // 1.0 * x => x
|
| -
|
| - CheckNans(&R);
|
| -}
|
| -
|
| -
|
| -TEST(ReduceFloat64Div) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Float64Div();
|
| -
|
| - FOR_FLOAT64_INPUTS(pl) {
|
| - FOR_FLOAT64_INPUTS(pr) {
|
| - double x = *pl, y = *pr;
|
| - R.CheckFoldBinop<double>(x / y, x, y);
|
| - }
|
| - }
|
| -
|
| - Node* x = R.Parameter();
|
| - Node* one = R.Constant<double>(1.0);
|
| -
|
| - R.CheckBinop(x, x, one); // x / 1.0 => x
|
| -
|
| - CheckNans(&R);
|
| -}
|
| -
|
| -
|
| -TEST(ReduceFloat64Mod) {
|
| - ReducerTester R;
|
| - R.binop = R.machine.Float64Mod();
|
| -
|
| - FOR_FLOAT64_INPUTS(pl) {
|
| - FOR_FLOAT64_INPUTS(pr) {
|
| - double x = *pl, y = *pr;
|
| - R.CheckFoldBinop<double>(modulo(x, y), x, y);
|
| - }
|
| - }
|
| -
|
| - CheckNans(&R);
|
| -}
|
| -
|
| -
|
| -// TODO(titzer): test MachineOperatorReducer for Word64And
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Or
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Xor
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Shl
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Shr
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Sar
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Equal
|
| -// TODO(titzer): test MachineOperatorReducer for Word64Not
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Add
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Sub
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Mul
|
| -// TODO(titzer): test MachineOperatorReducer for Int64UMul
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Div
|
| -// TODO(titzer): test MachineOperatorReducer for Int64UDiv
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Mod
|
| -// TODO(titzer): test MachineOperatorReducer for Int64UMod
|
| -// TODO(titzer): test MachineOperatorReducer for Int64Neg
|
| -// TODO(titzer): test MachineOperatorReducer for ConvertInt32ToFloat64
|
| -// TODO(titzer): test MachineOperatorReducer for ConvertFloat64ToInt32
|
| -// TODO(titzer): test MachineOperatorReducer for Float64Compare
|
|
|