[PATCH] D32575: Don't try to legalize Intermediate instructions (with generic types)

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar updated this revision to Diff 96981.
aditya_nandakumar added a comment.

Updated based on feedback - now we don't add to the list


https://reviews.llvm.org/D32575

Files:
  lib/CodeGen/GlobalISel/Legalizer.cpp


Index: lib/CodeGen/GlobalISel/Legalizer.cpp
===================================================================
--- lib/CodeGen/GlobalISel/Legalizer.cpp
+++ lib/CodeGen/GlobalISel/Legalizer.cpp
@@ -176,8 +176,13 @@
       unsigned NumNewInsns = 0;
       SmallVector<MachineInstr *, 4> WorkList;
       Helper.MIRBuilder.recordInsertions([&](MachineInstr *MI) {
-        ++NumNewInsns;
-        WorkList.push_back(MI);
+        // Only legalize pre-isel generic instructions.
+        // Legalization process could generate Target specific pseudo
+        // instructions with generic types. Don't record them
+        if (isPreISelGenericOpcode(MI->getOpcode())) {
+          ++NumNewInsns;
+          WorkList.push_back(MI);
+        }
       });
       WorkList.push_back(&*MI);
 


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