[PATCH] D73214: [MIPS GlobalISel] Select count leading zeros

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


================
Comment at: llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp:980
   case TargetOpcode::G_CTPOP:
-    if (TypeIdx != 0)
-      return UnableToLegalize; // TODO
+    if (TypeIdx == 1)
+      switch (MI.getOpcode()) {
----------------
atanasyan wrote:
> Is it possible that `TypeIdx != 0 && TypeIdx != 1` ?
That would be an invalid case as these instructions only have 2 type indexes


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  https://reviews.llvm.org/D73214/new/

https://reviews.llvm.org/D73214