[clang] Rename StringRef _lower() method calls to _insensitive()

This is mostly a mechanical change, but a testcase that contains
parts of the StringRef class (clang/test/Analysis/llvm-conventions.cpp)
isn't touched.

1 files changed, 5 insertions, 5 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index c1b7b02..126e9c7 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3986,13 +3986,13 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
   if (Arg *A = Args.getLastArg(OPT_msign_return_address_EQ)) {
     StringRef SignScope = A->getValue();
 
-    if (SignScope.equals_lower("none"))
+    if (SignScope.equals_insensitive("none"))
       Opts.setSignReturnAddressScope(
           LangOptions::SignReturnAddressScopeKind::None);
-    else if (SignScope.equals_lower("all"))
+    else if (SignScope.equals_insensitive("all"))
       Opts.setSignReturnAddressScope(
           LangOptions::SignReturnAddressScopeKind::All);
-    else if (SignScope.equals_lower("non-leaf"))
+    else if (SignScope.equals_insensitive("non-leaf"))
       Opts.setSignReturnAddressScope(
           LangOptions::SignReturnAddressScopeKind::NonLeaf);
     else
@@ -4002,10 +4002,10 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
     if (Arg *A = Args.getLastArg(OPT_msign_return_address_key_EQ)) {
       StringRef SignKey = A->getValue();
       if (!SignScope.empty() && !SignKey.empty()) {
-        if (SignKey.equals_lower("a_key"))
+        if (SignKey.equals_insensitive("a_key"))
           Opts.setSignReturnAddressKey(
               LangOptions::SignReturnAddressKeyKind::AKey);
-        else if (SignKey.equals_lower("b_key"))
+        else if (SignKey.equals_insensitive("b_key"))
           Opts.setSignReturnAddressKey(
               LangOptions::SignReturnAddressKeyKind::BKey);
         else