[OpenMP][FIX] Avoid string literal comparison, use `StringRef::equal`

diff --git a/llvm/lib/Frontend/OpenMP/OMPContext.cpp b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
index 39f0470..11d8da0 100644 (file)
--- a/llvm/lib/Frontend/OpenMP/OMPContext.cpp
+++ b/llvm/lib/Frontend/OpenMP/OMPContext.cpp
@@ -63,7 +63,8 @@ OMPContext::OMPContext(bool IsDeviceCompilation, Triple TargetTriple) {
   if (TraitSelector::TraitSelectorEnum == TraitSelector::device_arch) {        \
     if (TargetTriple.getArch() == TargetTriple.getArchTypeForLLVMName(Str))    \
       ActiveTraits.set(unsigned(TraitProperty::Enum));                         \
-    if (Str == "x86_64" && TargetTriple.getArch() == Triple::x86_64)           \
+    if (StringRef(Str) == StringRef("x86_64") &&                               \
+        TargetTriple.getArch() == Triple::x86_64)                              \
       ActiveTraits.set(unsigned(TraitProperty::Enum));                         \
   }
 #include "llvm/Frontend/OpenMP/OMPKinds.def"