[PATCH] D122279: [SelectionDAG] Add AssertAlign to AddNodeIDCustom so that it will CSE properly.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: arsenm, RKSimon, spatel, efriedma.
Herald added subscribers: StephenFan, ecnelises, hiraditya.
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The alignment needs to be part of the folding set hash. This is
handled by getAssertAlign when nodes are created, but needs to repeated here.

No test case as I found it as part of a very early experimental patch.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122279

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -844,6 +844,9 @@
     ID.AddInteger(BA->getTargetFlags());
     break;
   }
+  case ISD::AssertAlign:
+    ID.AddInteger(cast<AssertAlignSDNode>(N)->getAlign().value());
+    break;
   } // end switch (N->getOpcode())
 
   // Target specific memory nodes could also have address spaces and flags


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