[llvm] [LLVM-Tablegen] Pretty Printing Arguments in LLVM Intrinsics (PR #162629)

[Rahul Joshi via llvm-commits]

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@@ -447,6 +447,29 @@ void CodeGenIntrinsic::setProperty(const Record *R) {
     int64_t Lower = R->getValueAsInt("Lower");
     int64_t Upper = R->getValueAsInt("Upper");
     addArgAttribute(ArgNo, Range, Lower, Upper);
+  } else if (R->isSubClassOf("ArgInfo")) {
+    unsigned ArgNo = R->getValueAsInt("ArgNo");
+    if (ArgNo < 1)
+      PrintFatalError(R->getLoc(),
+                      "ArgInfo requires ArgNo >= 1 (0 is return value)");
+    const ListInit *Properties = R->getValueAsListInit("Properties");
+    StringRef ArgName;
+    StringRef FuncName;
+
+    for (const Init *PropInit : Properties->getElements()) {
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jurahul wrote:

In a follow up PR, it may be good to add some error checking here to make sure duplicate properties are flagged.

https://github.com/llvm/llvm-project/pull/162629