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[SingleSource/Vectorizer] Add unit tests for conditional scalar assignment pattern #155

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[SingleSource/Vectorizer] Add unit tests for conditional scalar assignment pattern #155

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52 changes: 48 additions & 4 deletions SingleSource/UnitTests/Vectorizer/common.h
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
#include <memory>
#include <random>
#include <type_traits>

#define DEFINE_SCALAR_AND_VECTOR_FN2(Init, Loop) \
auto ScalarFn = [](auto *A, auto *B, unsigned TC) { \
Expand All @@ -17,6 +18,16 @@
_Pragma("clang loop vectorize(enable)") Loop \
};

#define DEFINE_SCALAR_AND_VECTOR_FN4(Init, Loop) \
auto ScalarFn = [](auto *cond0, auto *cond1, auto *data0, auto *data1, \
unsigned N, int x) { \
Init _Pragma("clang loop vectorize(disable)") Loop \
}; \
auto VectorFn = [](auto *cond0, auto *cond1, auto *data0, auto *data1, \
unsigned N, int x) { \
Init _Pragma("clang loop vectorize(enable)") Loop \
};

#define DEFINE_NESTED_SCALAR_AND_VECTOR_FN4(InnerLoopCode) \
auto ScalarFn = [](auto *A, auto *B, unsigned OuterTC, unsigned InnerTC) { \
for (unsigned long i = 0; i < OuterTC; i++) { \
Expand Down Expand Up @@ -55,15 +66,40 @@

static std::mt19937 rng;

// Initialize arrays A with random numbers.
template <typename Ty>
static void init_data(const std::unique_ptr<Ty[]> &A, unsigned N) {
// Initialize arrays A with random integers.
template <typename Int,
std::enable_if_t<std::is_integral<Int>::value, bool> = true>
static void init_data(const std::unique_ptr<Int[]> &A, unsigned N) {
std::uniform_int_distribution<uint64_t> distrib(
std::numeric_limits<Ty>::min(), std::numeric_limits<Ty>::max());
std::numeric_limits<Int>::min(), std::numeric_limits<Int>::max());
for (unsigned i = 0; i < N; i++)
A[i] = distrib(rng);
}

// Initialize arrays A with random floating points.
template <typename Float,
std::enable_if_t<std::is_floating_point<Float>::value, bool> = true>
static void init_data(const std::unique_ptr<Float[]> &A, unsigned N) {
std::uniform_real_distribution<float> distrib(
std::numeric_limits<Float>::min(), std::numeric_limits<Float>::max());
for (unsigned i = 0; i < N; i++)
A[i] = distrib(rng);
}

template <typename Ptr,
std::enable_if_t<std::is_pointer<Ptr>::value, bool> = true>
static void init_data(const std::unique_ptr<Ptr[]> &A, unsigned N) {
for (unsigned i = 0; i < N; i++)
A[i] = nullptr;
}

// Initialize arrays A with random booleans.
static void init_cond(const std::unique_ptr<bool[]> &A, unsigned N) {
std::uniform_int_distribution<uint64_t> distrib(0, 1);
for (unsigned i = 0; i < N; i++)
A[i] = !!distrib(rng);
}

template <typename Ty>
static void check(const std::unique_ptr<Ty[]> &Reference,
const std::unique_ptr<Ty[]> &Tmp, unsigned NumElements) {
Expand All @@ -72,3 +108,11 @@ static void check(const std::unique_ptr<Ty[]> &Reference,
exit(1);
}
}

template <typename Ty>
static void check(const Ty Reference, const Ty ToCheck, unsigned NumElements) {
if (Reference != ToCheck) {
std::cerr << "Miscompare\n";
exit(1);
}
}
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