[llvm] 4b6e3e3 - [Attributor] Improve debug string of `AAUnderlyingObjects` (#101861)

[via llvm-commits]

Author: Shilei Tian
Date: 2024-08-06T12:31:35-07:00
New Revision: 4b6e3e38c46f8fedb92a30b29cc9654450244e2d

URL: https://github.com/llvm/llvm-project/commit/4b6e3e38c46f8fedb92a30b29cc9654450244e2d
DIFF: https://github.com/llvm/llvm-project/commit/4b6e3e38c46f8fedb92a30b29cc9654450244e2d.diff

LOG: [Attributor] Improve debug string of `AAUnderlyingObjects` (#101861)

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/AttributorAttributes.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
index cd31c4be1c1da..77026c6aa5b27 100644
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -11874,14 +11874,24 @@ struct AAUnderlyingObjectsImpl
 
   /// See AbstractAttribute::getAsStr().
   const std::string getAsStr(Attributor *A) const override {
-    return std::string("UnderlyingObjects ") +
-           (isValidState()
-                ? (std::string("inter #") +
-                   std::to_string(InterAssumedUnderlyingObjects.size()) +
-                   " objs" + std::string(", intra #") +
-                   std::to_string(IntraAssumedUnderlyingObjects.size()) +
-                   " objs")
-                : "<invalid>");
+    if (!isValidState())
+      return "<invalid>";
+    std::string Str;
+    llvm::raw_string_ostream OS(Str);
+    OS << "underlying objects: inter " << InterAssumedUnderlyingObjects.size()
+       << " objects, intra " << IntraAssumedUnderlyingObjects.size()
+       << " objects.\n";
+    if (!InterAssumedUnderlyingObjects.empty()) {
+      OS << "inter objects:\n";
+      for (auto *Obj : InterAssumedUnderlyingObjects)
+        OS << *Obj << '\n';
+    }
+    if (!IntraAssumedUnderlyingObjects.empty()) {
+      OS << "intra objects:\n";
+      for (auto *Obj : IntraAssumedUnderlyingObjects)
+        OS << *Obj << '\n';
+    }
+    return Str;
   }
 
   /// See AbstractAttribute::trackStatistics()