[flang-commits] [flang] [mlir] [flang] Add debug information for module variables. (PR #91582)

[Tom Eccles via flang-commits]

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@@ -91,6 +169,10 @@ void AddDebugInfoPass::runOnOperation() {
       llvm::dwarf::getLanguage("DW_LANG_Fortran95"), fileAttr, producer,
       isOptimized, debugLevel);
 
+  module.walk([&](fir::GlobalOp globalOp) {
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tblah wrote:

`mlir::Operation::walk` will visit every descendant operation. I think `fir::GlobalOp` can only be nested directly inside of the `MoudleOp` so it would be much more efficient to have a for loop over the direct descendants of the module. 

https://github.com/llvm/llvm-project/pull/91582