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

[Valery Pykhtin via cfe-commits]

================
@@ -425,29 +414,41 @@ bool GCNRewritePartialRegUses::rewriteReg(Register Reg) 
const {
     return false;
 
   for (MachineOperand &MO : Range) {
----------------
vpykhtin wrote:

Yes, it avoids any processing for unsuitable registers. Replaced the loop with 
any_of.

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