[llvm] [X86] Fold (v4i32 (scalar_to_vector (i32 (zext (bitcast (f16)))))) -> (v4i32 bitcast (shuffle (v8f16 scalar_to_vector))) (PR #126033)

Phoebe Wang via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 6 23:23:36 PST 2025

Previous message: [llvm] [X86] Fold (v4i32 (scalar_to_vector (i32 (zext (bitcast (f16)))))) -> (v4i32 bitcast (shuffle (v8f16 scalar_to_vector))) (PR #126033)
Next message: [llvm] [X86] Fold (v4i32 (scalar_to_vector (i32 (zext (bitcast (f16)))))) -> (v4i32 bitcast (shuffle (v8f16 scalar_to_vector))) (PR #126033)
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phoebewang wrote:

How about avoid to generate zext? https://github.com/llvm/llvm-project/pull/126194

https://github.com/llvm/llvm-project/pull/126033

Previous message: [llvm] [X86] Fold (v4i32 (scalar_to_vector (i32 (zext (bitcast (f16)))))) -> (v4i32 bitcast (shuffle (v8f16 scalar_to_vector))) (PR #126033)
Next message: [llvm] [X86] Fold (v4i32 (scalar_to_vector (i32 (zext (bitcast (f16)))))) -> (v4i32 bitcast (shuffle (v8f16 scalar_to_vector))) (PR #126033)
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