1 files changed, 16 insertions, 0 deletions
diff --git a/clang/lib/CIR/CodeGen/CIRGenCall.cpp b/clang/lib/CIR/CodeGen/CIRGenCall.cpp
index 61072f0..88aef89 100644
--- a/clang/lib/CIR/CodeGen/CIRGenCall.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenCall.cpp
@@ -690,6 +690,22 @@ void CallArg::copyInto(CIRGenFunction &cgf, Address addr,
   isUsed = true;
 }
 
+mlir::Value CIRGenFunction::emitRuntimeCall(mlir::Location loc,
+                                            cir::FuncOp callee,
+                                            ArrayRef<mlir::Value> args) {
+  // TODO(cir): set the calling convention to this runtime call.
+  assert(!cir::MissingFeatures::opFuncCallingConv());
+
+  cir::CallOp call = builder.createCallOp(loc, callee, args);
+  assert(call->getNumResults() <= 1 &&
+         "runtime functions have at most 1 result");
+
+  if (call->getNumResults() == 0)
+    return nullptr;
+
+  return call->getResult(0);
+}
+
 void CIRGenFunction::emitCallArg(CallArgList &args, const clang::Expr *e,
                                  clang::QualType argType) {
   assert(argType->isReferenceType() == e->isGLValue() &&