[llvm] [AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL (PR #68398)

[David Green via llvm-commits]

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@@ -0,0 +1,595 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
+; RUN: llc -mtriple=aarch64 -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-SD
+; RUN: llc -mtriple=aarch64 -global-isel -global-isel-abort=2 -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
+
+; CHECK_GI:        warning: Instruction selection used fallback path for mulv_v3i62
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davemgreen wrote:

62->64

https://github.com/llvm/llvm-project/pull/68398