[llvm] Use isAlpha/isAlnum (NFC)

3 files changed, 3 insertions, 12 deletions

diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
index 48b7014..9d30491 100644
--- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
@@ -1112,9 +1112,7 @@ static std::string getEnumNameForToken(StringRef Str) {
     case '-': Res += "_MINUS_"; break;
     case '#': Res += "_HASH_"; break;
     default:
-      if ((*it >= 'A' && *it <= 'Z') ||
-          (*it >= 'a' && *it <= 'z') ||
-          (*it >= '0' && *it <= '9'))
+      if (isAlnum(*it))
         Res += *it;
       else
         Res += "_" + utostr((unsigned) *it) + "_";
diff --git a/llvm/utils/TableGen/AsmWriterEmitter.cpp b/llvm/utils/TableGen/AsmWriterEmitter.cpp
index a09ea77..92df204 100644
--- a/llvm/utils/TableGen/AsmWriterEmitter.cpp
+++ b/llvm/utils/TableGen/AsmWriterEmitter.cpp
@@ -713,9 +713,7 @@ public:
         ++Next;
     } else {
       // $name, just eat the usual suspects.
-      while (I != End &&
-             ((*I >= 'a' && *I <= 'z') || (*I >= 'A' && *I <= 'Z') ||
-              (*I >= '0' && *I <= '9') || *I == '_'))
+      while (I != End && (isAlnum(*I) || *I == '_'))
         ++I;
       Next = I;
     }
diff --git a/llvm/utils/TableGen/AsmWriterInst.cpp b/llvm/utils/TableGen/AsmWriterInst.cpp
index 24d29ff..cf24f79 100644
--- a/llvm/utils/TableGen/AsmWriterInst.cpp
+++ b/llvm/utils/TableGen/AsmWriterInst.cpp
@@ -18,12 +18,7 @@
 
 using namespace llvm;
 
-static bool isIdentChar(char C) {
-  return (C >= 'a' && C <= 'z') ||
-  (C >= 'A' && C <= 'Z') ||
-  (C >= '0' && C <= '9') ||
-  C == '_';
-}
+static bool isIdentChar(char C) { return isAlnum(C) || C == '_'; }
 
 std::string AsmWriterOperand::getCode(bool PassSubtarget) const {
   if (OperandType == isLiteralTextOperand) {