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Issue 1021183002: [turbofan] Turn Math.clz32 into an inlinable builtin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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 #include "src/compiler/access-builder.h" 5 #include "src/compiler/access-builder.h"
6 #include "src/compiler/js-graph.h" 6 #include "src/compiler/js-graph.h"
7 #include "src/compiler/js-intrinsic-lowering.h" 7 #include "src/compiler/js-intrinsic-lowering.h"
8 #include "src/compiler/js-operator.h" 8 #include "src/compiler/js-operator.h"
9 #include "test/unittests/compiler/graph-unittest.h" 9 #include "test/unittests/compiler/graph-unittest.h"
10 #include "test/unittests/compiler/node-test-utils.h" 10 #include "test/unittests/compiler/node-test-utils.h"
(...skipping 206 matching lines...) Expand 10 before | Expand all | Expand 10 after
217 effect, CaptureEq(&if_false)), 217 effect, CaptureEq(&if_false)),
218 effect, _), 218 effect, _),
219 IsInt32Constant(JS_REGEXP_TYPE)), 219 IsInt32Constant(JS_REGEXP_TYPE)),
220 IsMerge(IsIfTrue(AllOf(CaptureEq(&branch), 220 IsMerge(IsIfTrue(AllOf(CaptureEq(&branch),
221 IsBranch(IsObjectIsSmi(input), control))), 221 IsBranch(IsObjectIsSmi(input), control))),
222 AllOf(CaptureEq(&if_false), IsIfFalse(CaptureEq(&branch)))))); 222 AllOf(CaptureEq(&if_false), IsIfFalse(CaptureEq(&branch))))));
223 } 223 }
224 224
225 225
226 // ----------------------------------------------------------------------------- 226 // -----------------------------------------------------------------------------
227 // %_MathClz32
228
229
230 TEST_F(JSIntrinsicLoweringTest, InlineMathClz32) {
231 Node* const input = Parameter(0);
232 Node* const context = Parameter(1);
233 Node* const effect = graph()->start();
234 Node* const control = graph()->start();
235 Reduction const r = Reduce(
236 graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineMathClz32, 1),
237 input, context, effect, control));
238 ASSERT_TRUE(r.Changed());
239 EXPECT_THAT(r.replacement(), IsWord32Clz(input));
240 }
241
242
243 // -----------------------------------------------------------------------------
227 // %_ValueOf 244 // %_ValueOf
228 245
229 246
230 TEST_F(JSIntrinsicLoweringTest, InlineValueOf) { 247 TEST_F(JSIntrinsicLoweringTest, InlineValueOf) {
231 Node* const input = Parameter(0); 248 Node* const input = Parameter(0);
232 Node* const context = Parameter(1); 249 Node* const context = Parameter(1);
233 Node* const effect = graph()->start(); 250 Node* const effect = graph()->start();
234 Node* const control = graph()->start(); 251 Node* const control = graph()->start();
235 Reduction const r = Reduce( 252 Reduction const r = Reduce(
236 graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineValueOf, 1), 253 graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineValueOf, 1),
(...skipping 24 matching lines...) Expand all
261 CaptureEq(&if_false0)))))), 278 CaptureEq(&if_false0)))))),
262 IsMerge( 279 IsMerge(
263 IsIfTrue(AllOf(CaptureEq(&branch0), 280 IsIfTrue(AllOf(CaptureEq(&branch0),
264 IsBranch(IsObjectIsSmi(input), control))), 281 IsBranch(IsObjectIsSmi(input), control))),
265 AllOf(CaptureEq(&if_false0), IsIfFalse(CaptureEq(&branch0)))))); 282 AllOf(CaptureEq(&if_false0), IsIfFalse(CaptureEq(&branch0))))));
266 } 283 }
267 284
268 } // namespace compiler 285 } // namespace compiler
269 } // namespace internal 286 } // namespace internal
270 } // namespace v8 287 } // namespace v8
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