[llvm] [PowerPC] Update matchRegisterName() to return MCRegister instead of bool (PR #111186)

[via llvm-commits]

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``````````bash
git-clang-format --diff 99c05b269010e817a0a2b44a7dad8ad28f8ac41b bd13ac275a33da71c4bfb07a303d475df2494fa9 --extensions cpp -- llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
index 0f6efda8b3..45fb90ba59 100644
--- a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
+++ b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
@@ -1544,7 +1544,7 @@ bool PPCAsmParser::parseOperand(OperandVector &Operands) {
   // as immediates corresponding to the register number.
   case AsmToken::Percent: {
     int64_t IntVal;
-    if (! matchRegisterName(IntVal))
+    if (!matchRegisterName(IntVal))
       return Error(S, "invalid register name");
 
     Operands.push_back(PPCOperand::CreateImm(IntVal, S, E, isPPC64()));
@@ -1628,7 +1628,7 @@ bool PPCAsmParser::parseOperand(OperandVector &Operands) {
     int64_t IntVal;
     switch (getLexer().getKind()) {
     case AsmToken::Percent: {
-      if (! matchRegisterName(IntVal))
+      if (!matchRegisterName(IntVal))
         return Error(S, "invalid register name");
       break;
     }

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https://github.com/llvm/llvm-project/pull/111186