[PATCH] D110877: [fir][NFC] Update doc for pinned attr in fir.alloca

[Valentin Clement via Phabricator via llvm-commits]

clementval created this revision.
clementval added reviewers: mehdi_amini, kiranchandramohan.
Herald added a project: Flang.
clementval requested review of this revision.
Herald added subscribers: llvm-commits, jdoerfert.
Herald added a project: LLVM.

Add descritpion for the attribute added in D110815 <https://reviews.llvm.org/D110815>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D110877

Files:
  flang/include/flang/Optimizer/Dialect/FIROps.td


Index: flang/include/flang/Optimizer/Dialect/FIROps.td
===================================================================
--- flang/include/flang/Optimizer/Dialect/FIROps.td
+++ flang/include/flang/Optimizer/Dialect/FIROps.td
@@ -123,6 +123,9 @@
     allocated as stack space can often be limited. A legal implementation can
     convert these large stack allocations to heap allocations regardless of
     whether the procedure is recursive or not.
+
+    The pinned attribute is used to flag fir.alloca operation in a specific 
+    region and avoid them to be hoisted in a alloca hoisting pass. 
   }];
 
   let arguments = (ins


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