[clang] [CIR][RISCV] Support zbb builitin codegen (PR #188932)

[Andy Kaylor via cfe-commits]

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@@ -47,7 +47,12 @@ CIRGenFunction::emitRISCVBuiltinExpr(unsigned builtinID, const CallExpr *e) {
 
   // Zbb
   case RISCV::BI__builtin_riscv_orc_b_32:
-  case RISCV::BI__builtin_riscv_orc_b_64:
+  case RISCV::BI__builtin_riscv_orc_b_64: {
+    intrinsicName = "riscv.orc.b";
+    returnType = convertType(e->getType());
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andykaylor wrote:

Classic codegen does this with a single `convertType` call before the switch. Is there any reason not to do that here?

https://github.com/llvm/llvm-project/pull/188932