[clang] [llvm] [clang][RISCV] Use macro to check if intrinsics are supported (PR #187197)

[Craig Topper via cfe-commits]

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@@ -153,6 +153,92 @@ static unsigned getVersionValue(unsigned MajorVersion, unsigned MinorVersion) {
   return MajorVersion * 1000000 + MinorVersion * 1000;
 }
 
+static constexpr int NumRVVBuiltins =
+    RISCVVector::FirstSiFiveBuiltin - Builtin::FirstTSBuiltin;
+static constexpr int NumRVVSiFiveBuiltins =
+    RISCVVector::FirstAndesBuiltin - RISCVVector::FirstSiFiveBuiltin;
+static constexpr int NumRVVAndesBuiltins =
+    RISCVVector::FirstTSBuiltin - RISCVVector::FirstAndesBuiltin;
+static constexpr int NumRISCVBuiltins =
+    RISCV::LastTSBuiltin - RISCVVector::FirstTSBuiltin;
+static constexpr int NumBuiltins =
+    RISCV::LastTSBuiltin - Builtin::FirstTSBuiltin;
+static_assert(NumBuiltins == (NumRVVBuiltins + NumRVVSiFiveBuiltins +
+                              NumRVVAndesBuiltins + NumRISCVBuiltins));
+
+namespace RVV {
+#define GET_RISCVV_BUILTIN_STR_TABLE
+#include "clang/Basic/riscv_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_STR_TABLE
+static_assert(BuiltinStrings.size() < 100'000);
+
+static constexpr std::array<Builtin::Info, NumRVVBuiltins> BuiltinInfos = {
+#define GET_RISCVV_BUILTIN_INFOS
+#include "clang/Basic/riscv_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_INFOS
+};
+} // namespace RVV
+
+namespace RVVSiFive {
+#define GET_RISCVV_BUILTIN_STR_TABLE
+#include "clang/Basic/riscv_sifive_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_STR_TABLE
+
+static constexpr std::array<Builtin::Info, NumRVVSiFiveBuiltins> BuiltinInfos =
+    {
+#define GET_RISCVV_BUILTIN_INFOS
+#include "clang/Basic/riscv_sifive_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_INFOS
+};
+} // namespace RVVSiFive
+
+namespace RVVAndes {
+#define GET_RISCVV_BUILTIN_STR_TABLE
+#include "clang/Basic/riscv_andes_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_STR_TABLE
+
+static constexpr std::array<Builtin::Info, NumRVVAndesBuiltins> BuiltinInfos =
+    {
+#define GET_RISCVV_BUILTIN_INFOS
+#include "clang/Basic/riscv_andes_vector_builtins.inc"
+#undef GET_RISCVV_BUILTIN_INFOS
+};
+} // namespace RVVAndes
+
+#define GET_BUILTIN_STR_TABLE
+#include "clang/Basic/BuiltinsRISCV.inc"
+#undef GET_BUILTIN_STR_TABLE
+
+static constexpr Builtin::Info BuiltinInfos[] = {
+#define GET_BUILTIN_INFOS
+#include "clang/Basic/BuiltinsRISCV.inc"
+#undef GET_BUILTIN_INFOS
+};
+static_assert(std::size(BuiltinInfos) == NumRISCVBuiltins);
+
+// Extract unique scalar extensions from RISC-V scalar builtins
+static llvm::SmallSet<std::string, 16> getUniqueScalarExtensions() {
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topperc wrote:

For the scalar extensions, should we put the defines in the riscv_bitmanip.h header file? Maybe also for the vector extensions?

https://github.com/llvm/llvm-project/pull/187197