src/compiler/effect-control-linearizer.h - Issue 2202993005: [turbofan] Don't generate unnecessary minus zero checks.

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Issue 2202993005: [turbofan] Don't generate unnecessary minus zero checks. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@TurboFan_SignedSmall

Patch Set: Err, DCHECK, meh Created 4 years, 4 months ago

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1 // Copyright 2016 the V8 project authors. All rights reserved.	1 // Copyright 2016 the V8 project authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_	5 #ifndef V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_

6 #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_	6 #define V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_

7	7

8 #include "src/compiler/common-operator.h"	8 #include "src/compiler/common-operator.h"

9 #include "src/compiler/node.h"	9 #include "src/compiler/node.h"

10 #include "src/compiler/simplified-operator.h"	10 #include "src/compiler/simplified-operator.h"

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138 Node* control);	138 Node* control);

139 ValueEffectControl LowerTransitionElementsKind(Node* node, Node* effect,	139 ValueEffectControl LowerTransitionElementsKind(Node* node, Node* effect,

140 Node* control);	140 Node* control);

141 ValueEffectControl LowerLoadTypedElement(Node* node, Node* effect,	141 ValueEffectControl LowerLoadTypedElement(Node* node, Node* effect,

142 Node* control);	142 Node* control);

143 ValueEffectControl LowerStoreTypedElement(Node* node, Node* effect,	143 ValueEffectControl LowerStoreTypedElement(Node* node, Node* effect,

144 Node* control);	144 Node* control);

145	145

146 ValueEffectControl AllocateHeapNumberWithValue(Node* node, Node* effect,	146 ValueEffectControl AllocateHeapNumberWithValue(Node* node, Node* effect,

147 Node* control);	147 Node* control);

148 ValueEffectControl BuildCheckedFloat64ToInt32(Node* value, Node* frame_state,	148 ValueEffectControl BuildCheckedFloat64ToInt32(CheckForMinusZeroMode mode,

	149 Node* value, Node* frame_state,

149 Node* effect, Node* control);	150 Node* effect, Node* control);

150 ValueEffectControl BuildCheckedHeapNumberOrOddballToFloat64(Node* value,	151 ValueEffectControl BuildCheckedHeapNumberOrOddballToFloat64(Node* value,

151 Node* frame_state,	152 Node* frame_state,

152 Node* effect,	153 Node* effect,

153 Node* control);	154 Node* control);

154	155

155 Node* ChangeInt32ToSmi(Node* value);	156 Node* ChangeInt32ToSmi(Node* value);

156 Node* ChangeUint32ToSmi(Node* value);	157 Node* ChangeUint32ToSmi(Node* value);

157 Node* ChangeInt32ToFloat64(Node* value);	158 Node* ChangeInt32ToFloat64(Node* value);

158 Node* ChangeUint32ToFloat64(Node* value);	159 Node* ChangeUint32ToFloat64(Node* value);

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180 RegionObservability region_observability_ = RegionObservability::kObservable;	181 RegionObservability region_observability_ = RegionObservability::kObservable;

181	182

182 SetOncePointer<Operator const> to_number_operator_;	183 SetOncePointer<Operator const> to_number_operator_;

183 };	184 };

184	185

185 } // namespace compiler	186 } // namespace compiler

186 } // namespace internal	187 } // namespace internal

187 } // namespace v8	188 } // namespace v8

188	189

189 #endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_	190 #endif // V8_COMPILER_EFFECT_CONTROL_LINEARIZER_H_

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