[llvm] [NVPTX] Basic support for fp128 as a storage type (PR #136006)

[Artem Belevich via llvm-commits]

================
@@ -264,26 +259,21 @@ void NVPTXAsmPrinter::printReturnValStr(const Function *F, raw_ostream &O) {
     return;
   O << " (";
 
-  if ((Ty->isFloatingPointTy() || Ty->isIntegerTy()) &&
-      !ShouldPassAsArray(Ty)) {
-    unsigned size = 0;
-    if (auto *ITy = dyn_cast<IntegerType>(Ty)) {
-      size = ITy->getBitWidth();
-    } else {
-      assert(Ty->isFloatingPointTy() && "Floating point type expected here");
-      size = Ty->getPrimitiveSizeInBits();
-    }
-    size = promoteScalarArgumentSize(size);
-    O << ".param .b" << size << " func_retval0";
-  } else if (isa<PointerType>(Ty)) {
-    O << ".param .b" << TLI->getPointerTy(DL).getSizeInBits()
-      << " func_retval0";
-  } else if (ShouldPassAsArray(Ty)) {
-    unsigned totalsz = DL.getTypeAllocSize(Ty);
-    Align RetAlignment = TLI->getFunctionArgumentAlignment(
+  auto PrintScalarParam = [&](unsigned Size) {
----------------
Artem-B wrote:

`PrintScalarRetVal`? If it's intended to be for params other than the return value, then we'd probably need to accept the name as an argument, too.

https://github.com/llvm/llvm-project/pull/136006