[llvm] [clang] [clang-tools-extra] [AMDGPU] Fix GCNRewritePartialRegUses pass: vector regclass is selected instead of scalar. (PR #69957)

[Valery Pykhtin via cfe-commits]

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@@ -1,32 +1,31 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=amdgcn-amd-amdhsa -amdgpu-enable-rewrite-partial-reg-uses=true -verify-machineinstrs -start-before=rename-independent-subregs -stop-after=rewrite-partial-reg-uses %s -o - | FileCheck -check-prefix=CHECK %s
-# RUN: llc -mtriple=amdgcn-amd-amdhsa -amdgpu-enable-rewrite-partial-reg-uses=true -verify-machineinstrs -start-before=rename-independent-subregs %s -o /dev/null 2>&1
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vpykhtin wrote:

Right, the MIR in the test isn't fully valid to be emitted in asm so I deleted this line.

https://github.com/llvm/llvm-project/pull/69957