[clang][bytecode] Handle UETT_OpenMPRequiredSimdAlign (llvm#111259)

Author: tbaederr

clang/lib/AST/ByteCode/Compiler.cpp

@@ -2128,6 +2128,13 @@ bool Compiler<Emitter>::VisitUnaryExprOrTypeTraitExpr(
     return this->emitConst(1, E);
   }
 
+  if (Kind == UETT_OpenMPRequiredSimdAlign) {
+    assert(E->isArgumentType());
+    unsigned Bits = ASTCtx.getOpenMPDefaultSimdAlign(E->getArgumentType());
+
+    return this->emitConst(ASTCtx.toCharUnitsFromBits(Bits).getQuantity(), E);
+  }
+
   return false;
 }
 

clang/test/AST/ByteCode/builtins.cpp

@@ -36,3 +36,5 @@ void test_builtin_os_log(void *buf, int i, const char *data) {
   constexpr int len = __builtin_os_log_format_buffer_size("%d %{public}s %{private}.16P", i, data, data);
   static_assert(len > 0, "Expect len > 0");
 }
+
+static_assert(__builtin_omp_required_simd_align(int) != 0);