[IR] IntrinsicInst.cpp - use StringRef::starts_with/ends_with instead of startswith/endswith. NFC.

startswith/endswith wrap starts_with/ends_with and will eventually go away (to more closely match string_view)

Also add missing assert message

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/IR/IntrinsicInst.cpp b/llvm/lib/IR/IntrinsicInst.cpp
index 20ae08d..a24ca8d 100644
--- a/llvm/lib/IR/IntrinsicInst.cpp
+++ b/llvm/lib/IR/IntrinsicInst.cpp
@@ -235,7 +235,7 @@ void DbgAssignIntrinsic::setValue(Value *V) {
 
 int llvm::Intrinsic::lookupLLVMIntrinsicByName(ArrayRef<const char *> NameTable,
                                                StringRef Name) {
-  assert(Name.startswith("llvm."));
+  assert(Name.starts_with("llvm.") && "Unexpected intrinsic prefix");
 
   // Do successive binary searches of the dotted name components. For
   // "llvm.gc.experimental.statepoint.p1i8.p1i32", we will find the range of
@@ -265,7 +265,7 @@ int llvm::Intrinsic::lookupLLVMIntrinsicByName(ArrayRef<const char *> NameTable,
     return -1;
   StringRef NameFound = *LastLow;
   if (Name == NameFound ||
-      (Name.startswith(NameFound) && Name[NameFound.size()] == '.'))
+      (Name.starts_with(NameFound) && Name[NameFound.size()] == '.'))
     return LastLow - NameTable.begin();
   return -1;
 }