[simd] Support full abi and type for test

[simd] Support using meta type in test_all_simd()

[simd] Rename deduce.cpp to deduce.pass.cpp

[simd] fix test_util.h
 1. using scalar instead of __scalar for abi
 2. specified the vectorizable type
* [ref] https://en.cppreference.com/w/cpp/types/is_integral
* [ref] https://en.cppreference.com/w/cpp/types/is_floating_point

libcxx/test/std/experimental/simd/test_util.h

@@ -13,32 +13,35 @@
 
 namespace ex = std::experimental::parallelism_v2;
 
-template <class F>
-void test_simd() {}
+template <class F, class _Tp, class Simd, class... Simds>
+void test_simd_abi();
 
-template <class F, class Simd, class... Simds>
-void test_simd() {
-  F{}.template operator()<Simd>();
-  test_simd<F, Simds...>();
+template <class F, class _Tp>
+void test_all_simd_abi() {
+  using namespace ex;
+  // TODO: generate number sequence to test different length `simd abi`
+  test_simd_abi<F, _Tp, simd_abi::native<_Tp>, simd_abi::fixed_size<42>, simd_abi::scalar, simd_abi::compatible<_Tp>,
+                simd_abi::deduce_t<_Tp, 42> >();
 }
 
 template <class F>
-void test_all_simd() {
-  using namespace ex;
-  using namespace ex::simd_abi;
-
-  // clang-format off
-  test_simd<F,
-    // public ABIs
-    native_simd<int>,
-    fixed_size_simd<int, 4>,
-    fixed_size_simd<int, 15>,
-
-    // private ABIs
-    simd<int, __scalar>,
-    simd<int, __vec_ext<4>>
-  >();
-  // clang-format on
+void test_all_simd_abi() {
+  test_all_simd_abi<F, long double>();
+  test_all_simd_abi<F, double>();
+  test_all_simd_abi<F, float>();
+  test_all_simd_abi<F, long long>();
+  test_all_simd_abi<F, unsigned long long>();
+  test_all_simd_abi<F, long>();
+  test_all_simd_abi<F, unsigned long>();
+  test_all_simd_abi<F, int>();
+  test_all_simd_abi<F, unsigned int>();
+  test_all_simd_abi<F, short>();
+  test_all_simd_abi<F, unsigned short>();
+  test_all_simd_abi<F, wchar_t>();
+  test_all_simd_abi<F, signed char>();
+  test_all_simd_abi<F, unsigned char>();
+  test_all_simd_abi<F, char32_t>();
+  test_all_simd_abi<F, char16_t>();
 }
 
 #endif // TEST_UTIL_H