[llvm] Fixes non-functional changes found static analyer (PR #171197)

[via llvm-commits]

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@@ -5809,9 +5809,6 @@ bool PPCInstrInfo::getMemOperandWithOffsetWidth(
   if (!LdSt.getOperand(1).isImm() ||
       (!LdSt.getOperand(2).isReg() && !LdSt.getOperand(2).isFI()))
     return false;
-  if (!LdSt.getOperand(1).isImm() ||
-      (!LdSt.getOperand(2).isReg() && !LdSt.getOperand(2).isFI()))
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Seraphimt wrote:

And bellow in func it is from the first operand that it is taken Imm
https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp#L5820


https://github.com/llvm/llvm-project/pull/171197