[Mlir-commits] [mlir] [MLIR][LLVM] Add ProfileSummary module flag support (PR #138070)

[Tobias Gysi]

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@@ -554,13 +554,262 @@ static Attribute convertCGProfileModuleFlagValue(ModuleOp mlirModule,
   return ArrayAttr::get(mlirModule->getContext(), cgProfile);
 }
 
+static Attribute
+convertProfileSummaryModuleFlagValue(ModuleOp mlirModule,
+                                     const llvm::Module *llvmModule,
+                                     llvm::MDTuple *mdTuple) {
+  unsigned profileNumEntries = mdTuple->getNumOperands();
+  if (profileNumEntries < 8) {
+    emitWarning(mlirModule.getLoc())
+        << "expected at 8 entries in 'ProfileSummary': "
+        << diagMD(mdTuple, llvmModule);
+    return nullptr;
+  }
+
+  unsigned summayIdx = 0;
+
+  auto getMDTuple = [&](const llvm::MDOperand &md) {
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gysit wrote:

I wonder if it would make sense to make some of these helper lambdas static functions outside this function. I imagine we may be able to reuse some of them. Except they capturing is needed.

https://github.com/llvm/llvm-project/pull/138070