[llvm] [VectorCombine] New folding pattern for extract/binop/shuffle chains (PR #145232)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,203 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -mtriple=x86_64-- -mcpu=x86-64 -passes=vector-combine -S %s | FileCheck %s --check-prefixes=CHECK,SSE
+; RUN: opt -mtriple=x86_64-- -mcpu=x86-64-v2 -passes=vector-combine -S %s | FileCheck %s --check-prefixes=CHECK,SSE
+; RUN: opt -mtriple=x86_64-- -mcpu=x86-64-v3 -passes=vector-combine -S %s | FileCheck %s --check-prefixes=CHECK,AVX
+; RUN: opt -mtriple=x86_64-- -mcpu=x86-64-v4 -passes=vector-combine -S %s | FileCheck %s --check-prefixes=CHECK,AVX
+
+define i16 @test_reduce_v8i16(<8 x i16> %a0) local_unnamed_addr #0 {
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RKSimon wrote:

remove unnecessary `local_unnamed_addr #0` tags

https://github.com/llvm/llvm-project/pull/145232