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1 // Copyright 2014 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "test/compiler-unittests/instruction-selector-unittest.h" | |
6 | |
7 namespace v8 { | |
8 namespace internal { | |
9 namespace compiler { | |
10 | |
11 InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build( | |
12 InstructionSelector::Features features, | |
13 InstructionSelectorTest::StreamBuilderMode mode) { | |
14 Schedule* schedule = Export(); | |
15 EXPECT_NE(0, graph()->NodeCount()); | |
16 CompilationInfo info(test_->isolate(), test_->zone()); | |
17 Linkage linkage(&info, call_descriptor()); | |
18 InstructionSequence sequence(&linkage, graph(), schedule); | |
19 SourcePositionTable source_position_table(graph()); | |
20 InstructionSelector selector(&sequence, &source_position_table, features); | |
21 selector.SelectInstructions(); | |
22 if (FLAG_trace_turbo) { | |
23 OFStream out(stdout); | |
24 out << "--- Code sequence after instruction selection ---" << endl | |
25 << sequence; | |
26 } | |
27 Stream s; | |
28 for (InstructionSequence::const_iterator i = sequence.begin(); | |
29 i != sequence.end(); ++i) { | |
30 Instruction* instr = *i; | |
31 if (instr->opcode() < 0) continue; | |
32 if (mode == kTargetInstructions) { | |
33 switch (instr->arch_opcode()) { | |
34 #define CASE(Name) \ | |
35 case k##Name: \ | |
36 break; | |
37 TARGET_ARCH_OPCODE_LIST(CASE) | |
38 #undef CASE | |
39 default: | |
40 continue; | |
41 } | |
42 } | |
43 for (size_t i = 0; i < instr->OutputCount(); ++i) { | |
44 InstructionOperand* output = instr->OutputAt(i); | |
45 EXPECT_NE(InstructionOperand::IMMEDIATE, output->kind()); | |
46 if (output->IsConstant()) { | |
47 s.constants_.insert(std::make_pair( | |
48 output->index(), sequence.GetConstant(output->index()))); | |
49 } | |
50 } | |
51 for (size_t i = 0; i < instr->InputCount(); ++i) { | |
52 InstructionOperand* input = instr->InputAt(i); | |
53 EXPECT_NE(InstructionOperand::CONSTANT, input->kind()); | |
54 if (input->IsImmediate()) { | |
55 s.immediates_.insert(std::make_pair( | |
56 input->index(), sequence.GetImmediate(input->index()))); | |
57 } | |
58 } | |
59 s.instructions_.push_back(instr); | |
60 } | |
61 return s; | |
62 } | |
63 | |
64 | |
65 COMPILER_TEST_F(InstructionSelectorTest, ReturnP) { | |
66 StreamBuilder m(this, kMachineWord32, kMachineWord32); | |
67 m.Return(m.Parameter(0)); | |
68 Stream s = m.Build(kAllInstructions); | |
69 ASSERT_EQ(2U, s.size()); | |
70 EXPECT_EQ(kArchNop, s[0]->arch_opcode()); | |
71 ASSERT_EQ(1U, s[0]->OutputCount()); | |
72 EXPECT_EQ(kArchRet, s[1]->arch_opcode()); | |
73 EXPECT_EQ(1U, s[1]->InputCount()); | |
74 } | |
75 | |
76 | |
77 COMPILER_TEST_F(InstructionSelectorTest, ReturnImm) { | |
78 StreamBuilder m(this, kMachineWord32); | |
79 m.Return(m.Int32Constant(0)); | |
80 Stream s = m.Build(kAllInstructions); | |
81 ASSERT_EQ(2U, s.size()); | |
82 EXPECT_EQ(kArchNop, s[0]->arch_opcode()); | |
83 ASSERT_EQ(1U, s[0]->OutputCount()); | |
84 EXPECT_EQ(InstructionOperand::CONSTANT, s[0]->OutputAt(0)->kind()); | |
85 EXPECT_EQ(0, s.ToInt32(s[0]->OutputAt(0))); | |
86 EXPECT_EQ(kArchRet, s[1]->arch_opcode()); | |
87 EXPECT_EQ(1U, s[1]->InputCount()); | |
88 } | |
89 | |
90 } // namespace compiler | |
91 } // namespace internal | |
92 } // namespace v8 | |
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