[PATCH] D138082: GlobalISel: ComputeNumSignBits from load range metadata

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


================
Comment at: llvm/lib/CodeGen/GlobalISel/GISelKnownBits.cpp:630
+  if (TyBits != CR.getBitWidth())
+    return 1;
+
----------------
foad wrote:
> How could we hit this?
The anyextload case (or if the metadata was on a casted to vector result type)


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  https://reviews.llvm.org/D138082/new/

https://reviews.llvm.org/D138082