[clang] [CIR] Upstream cir.call with scalar arguments (PR #136810)

[Sirui Mu via cfe-commits]

================
@@ -68,20 +168,70 @@ static cir::CIRCallOpInterface emitCallLikeOp(CIRGenFunction &cgf,
   assert(builder.getInsertionBlock() && "expected valid basic block");
   assert(!cir::MissingFeatures::opCallIndirect());
 
-  return builder.createCallOp(callLoc, directFuncOp);
+  return builder.createCallOp(callLoc, directFuncOp, cirCallArgs);
 }
 
 RValue CIRGenFunction::emitCall(const CIRGenFunctionInfo &funcInfo,
                                 const CIRGenCallee &callee,
                                 ReturnValueSlot returnValue,
+                                const CallArgList &args,
                                 cir::CIRCallOpInterface *callOp,
                                 mlir::Location loc) {
   QualType retTy = funcInfo.getReturnType();
   const cir::ABIArgInfo &retInfo = funcInfo.getReturnInfo();
 
-  assert(!cir::MissingFeatures::opCallArgs());
+  ClangToCIRArgMapping cirFuncArgs(cgm.getASTContext(), funcInfo);
+  SmallVector<mlir::Value, 16> cirCallArgs(cirFuncArgs.totalCIRArgs());
+
   assert(!cir::MissingFeatures::emitLifetimeMarkers());
 
+  // Translate all of the arguments as necessary to match the CIR lowering.
+  assert(funcInfo.arg_size() == args.size() &&
+         "Mismatch between function signature & arguments.");
+  unsigned argNo = 0;
+  const auto *infoIter = funcInfo.arg_begin();
+  for (auto i = args.begin(), e = args.end(); i != e;
----------------
Lancern wrote:

Updated.

https://github.com/llvm/llvm-project/pull/136810