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 |