[llvm] [AMDGPU][True16][CodeGen]Support V2S copy with True16 inst format. (PR #118037)

[Brox Chen via llvm-commits]

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+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
+# RUN: llc -march=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -run-pass=si-fix-sgpr-copies -verify-machineinstrs -o - %s | FileCheck %s
+
+# Ensure READFIRSTLANE is generated, and that its src is REG_SEQUENCE.
+
+---
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broxigarchen wrote:

Hi Matt. Do you suggest to simplify the test code and make it smaller?

https://github.com/llvm/llvm-project/pull/118037