1 files changed, 4 insertions, 11 deletions

diff --git a/contrib/llvm-project/llvm/lib/Support/StringRef.cpp b/contrib/llvm-project/llvm/lib/Support/StringRef.cpp
index feee47ca693b..945ae378eb91 100644
--- a/contrib/llvm-project/llvm/lib/Support/StringRef.cpp
+++ b/contrib/llvm-project/llvm/lib/Support/StringRef.cpp
@@ -388,20 +388,14 @@ static unsigned GetAutoSenseRadix(StringRef &Str) {
   if (Str.empty())
     return 10;
 
-  if (Str.starts_with("0x") || Str.starts_with("0X")) {
-    Str = Str.substr(2);
+  if (Str.consume_front_insensitive("0x"))
     return 16;
-  }
 
-  if (Str.starts_with("0b") || Str.starts_with("0B")) {
-    Str = Str.substr(2);
+  if (Str.consume_front_insensitive("0b"))
     return 2;
-  }
 
-  if (Str.starts_with("0o")) {
-    Str = Str.substr(2);
+  if (Str.consume_front("0o"))
     return 8;
-  }
 
   if (Str[0] == '0' && Str.size() > 1 && isDigit(Str[1])) {
     Str = Str.substr(1);
@@ -523,8 +517,7 @@ bool StringRef::consumeInteger(unsigned Radix, APInt &Result) {
 
   // Skip leading zeroes.  This can be a significant improvement if
   // it means we don't need > 64 bits.
-  while (!Str.empty() && Str.front() == '0')
-    Str = Str.substr(1);
+  Str = Str.ltrim('0');
 
   // If it was nothing but zeroes....
   if (Str.empty()) {