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

[Brandon Wu via cfe-commits]

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@@ -16,6 +16,13 @@
 extern "C" {
 #endif
 
+#define __riscv_intrinsic_zbb 1
+#define __riscv_intrinsic_zbc 1
+#define __riscv_intrinsic_zbkb 1
+#define __riscv_intrinsic_zbkc 1
+#define __riscv_intrinsic_zbkx 1
+#define __riscv_intrinsic_xtheadbb 1
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4vtomat wrote:

I think xtheadbb also enable some zbb intrinsics but I think xtheadbb doesn't have any intrinsic itself so I think we can remove it

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