39 lines · cpp
1#include "clang/Basic/Builtins.h"2#include "gtest/gtest.h"3 4using namespace llvm;5 6// These tests are to Check whether CodeGen::TargetFeatures works correctly.7TEST(CheckTargetFeaturesTest, checkBuiltinFeatures) {8 auto doCheck = [](StringRef BuiltinFeatures, StringRef FuncFeatures) {9 SmallVector<StringRef, 1> Features;10 FuncFeatures.split(Features, ',');11 StringMap<bool> SM;12 for (StringRef F : Features)13 SM.insert(std::make_pair(F, true));14 return clang::Builtin::evaluateRequiredTargetFeatures(BuiltinFeatures, SM);15 };16 // Make sure the basic function ',' and '|' works correctly17 ASSERT_FALSE(doCheck("A,B,C,D", "A"));18 ASSERT_TRUE(doCheck("A,B,C,D", "A,B,C,D"));19 ASSERT_TRUE(doCheck("A|B", "A"));20 ASSERT_FALSE(doCheck("A|B", "C"));21 22 // Make sure the ',' has higher priority.23 ASSERT_TRUE(doCheck("A|B,C|D", "A"));24 25 // Make sure the parentheses do change the priority of '|'.26 ASSERT_FALSE(doCheck("(A|B),(C|D)", "A"));27 ASSERT_TRUE(doCheck("(A|B),(C|D)", "A,C"));28 29 // Make sure the combination in parentheses works correctly.30 ASSERT_FALSE(doCheck("(A,B|C),D", "A,C"));31 ASSERT_FALSE(doCheck("(A,B|C),D", "A,D"));32 ASSERT_TRUE(doCheck("(A,B|C),D", "C,D"));33 ASSERT_TRUE(doCheck("(A,B|C),D", "A,B,D"));34 35 // Make sure nested parentheses works correctly.36 ASSERT_FALSE(doCheck("(A,(B|C)),D", "C,D"));37 ASSERT_TRUE(doCheck("(A,(B|C)),D", "A,C,D"));38}39