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1 #include "clang/Basic/Builtins.h"
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2 #include "gtest/gtest.h"
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3
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4 using namespace llvm;
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5
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6 // These tests are to Check whether CodeGen::TargetFeatures works correctly.
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7 TEST(CheckTargetFeaturesTest, checkBuiltinFeatures) {
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8 auto doCheck = [](StringRef BuiltinFeatures, StringRef FuncFeatures) {
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9 SmallVector<StringRef, 1> Features;
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10 FuncFeatures.split(Features, ',');
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11 StringMap<bool> SM;
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12 for (StringRef F : Features)
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13 SM.insert(std::make_pair(F, true));
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14 return clang::Builtin::evaluateRequiredTargetFeatures(BuiltinFeatures, SM);
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15 };
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16 // Make sure the basic function ',' and '|' works correctly
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17 ASSERT_FALSE(doCheck("A,B,C,D", "A"));
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18 ASSERT_TRUE(doCheck("A,B,C,D", "A,B,C,D"));
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19 ASSERT_TRUE(doCheck("A|B", "A"));
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20 ASSERT_FALSE(doCheck("A|B", "C"));
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21
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22 // Make sure the ',' has higher priority.
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23 ASSERT_TRUE(doCheck("A|B,C|D", "A"));
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24
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25 // Make sure the parentheses do change the priority of '|'.
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26 ASSERT_FALSE(doCheck("(A|B),(C|D)", "A"));
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27 ASSERT_TRUE(doCheck("(A|B),(C|D)", "A,C"));
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28
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29 // Make sure the combination in parentheses works correctly.
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30 ASSERT_FALSE(doCheck("(A,B|C),D", "A,C"));
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31 ASSERT_FALSE(doCheck("(A,B|C),D", "A,D"));
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32 ASSERT_TRUE(doCheck("(A,B|C),D", "C,D"));
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33 ASSERT_TRUE(doCheck("(A,B|C),D", "A,B,D"));
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34
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35 // Make sure nested parentheses works correctly.
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36 ASSERT_FALSE(doCheck("(A,(B|C)),D", "C,D"));
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37 ASSERT_TRUE(doCheck("(A,(B|C)),D", "A,C,D"));
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38 }
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