[llvm] [VectorCombine] Add support for zext/sext/trunc to shuffleToIdentity (PR #92696)

[Ramkumar Ramachandra via llvm-commits]

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@@ -754,10 +720,8 @@ define void @trunc(<8 x i64> %a, <8 x i64> %b, ptr %p) {
 
 define <4 x i64> @zext_chain(<4 x i16> %x) {
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artagnon wrote:

Why didn't `add_chain` and `zext_add_chain` get updated?

https://github.com/llvm/llvm-project/pull/92696