[llvm] [MCA] New option -scheduling-info (PR #130574)

[Min-Yih Hsu via llvm-commits]

================
@@ -29,82 +61,152 @@ void InstructionInfoView::printView(raw_ostream &OS) const {
   IIVDVec IIVD(Source.size());
   collectData(IIVD);
 
-  TempStream << "\n\nInstruction Info:\n";
-  TempStream << "[1]: #uOps\n[2]: Latency\n[3]: RThroughput\n"
-             << "[4]: MayLoad\n[5]: MayStore\n[6]: HasSideEffects (U)\n";
+  if (PrintFullInfo) {
+    FOS << "\n\nResources:\n";
+    const MCSchedModel &SM = getSubTargetInfo().getSchedModel();
+    for (unsigned I = 1, ResourceIndex = 0, E = SM.getNumProcResourceKinds();
+         I < E; ++I) {
+      const MCProcResourceDesc &ProcResource = *SM.getProcResource(I);
+      unsigned NumUnits = ProcResource.NumUnits;
+      // Skip invalid resources with zero units.
+      if (!NumUnits)
+        continue;
+
+      FOS << '[' << ResourceIndex << ']';
+      FOS.PadToColumn(6);
+      FOS << "- " << ProcResource.Name << ':' << NumUnits;
+      if (ProcResource.SubUnitsIdxBegin) {
+        FOS.PadToColumn(20);
+        for (unsigned U = 0; U < NumUnits; ++U) {
+          FOS << SM.getProcResource(ProcResource.SubUnitsIdxBegin[U])->Name;
+          if ((U + 1) < NumUnits) {
+            FOS << ", ";
+          }
+        }
+      }
+      FOS << '\n';
+      ResourceIndex++;
+    }
+  }
+
+  std::vector<unsigned> paddings = {0, 7, 14, 21, 28, 35};
+  std::vector<std::string> fields = {"#uOps",       "Latency",
+                                     "RThroughput", "MayLoad",
+                                     "MayStore",    "HasSideEffects (U)"};
+  std::vector<std::string> end_fields;
+  unsigned LastPadding = 35;
+  if (PrintFullInfo) {
+    fields.push_back("Bypass Latency");
+    paddings.push_back(LastPadding + 7);
+    LastPadding += 7;
+    fields.push_back("Resources");
+    paddings.push_back(LastPadding + 7);
+    LastPadding += 7;
+    fields.push_back("LLVM Opcode Name");
+    paddings.push_back(LastPadding + 57);
+    LastPadding += 57;
+  }
   if (PrintBarriers) {
-    TempStream << "[7]: LoadBarrier\n[8]: StoreBarrier\n";
+    fields.push_back("LoadBarrier");
+    paddings.push_back(LastPadding + 7);
+    fields.push_back("StoreBarrier");
+    paddings.push_back(LastPadding + 14);
+    LastPadding += 14;
   }
   if (PrintEncodings) {
-    if (PrintBarriers) {
-      TempStream << "[9]: Encoding Size\n";
-      TempStream << "\n[1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    "
-                 << "[9]    Encodings:                    Instructions:\n";
+    paddings.push_back(LastPadding + 7);
+    paddings.push_back(LastPadding + 14);
+    paddings.push_back(LastPadding + 44);
+    LastPadding += 44;
+    fields.push_back("Encoding Size");
+    end_fields.push_back("Encodings:");
+    end_fields.push_back("Instructions:");
+  } else {
+    if (PrintFullInfo) {
+      paddings.push_back(LastPadding + 27);
+      LastPadding += 27;
     } else {
-      TempStream << "[7]: Encoding Size\n";
-      TempStream << "\n[1]    [2]    [3]    [4]    [5]    [6]    [7]    "
-                 << "Encodings:                    Instructions:\n";
+      paddings.push_back(LastPadding + 7);
+      LastPadding += 7;
     }
-  } else {
-    if (PrintBarriers) {
-      TempStream << "\n[1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    "
-                 << "Instructions:\n";
+    end_fields.push_back("Instructions:");
+  }
+
+  FOS << "\n\nInstruction Info:\n";
+  for (unsigned i = 0; i < fields.size(); i++) {
----------------
mshockwave wrote:

```suggestion
  for (unsigned i = 0, N = fields.size(); i < N; i++) {
```

https://github.com/llvm/llvm-project/pull/130574