Address nits and update test

Author: NickGuy-Arm

clang/lib/CodeGen/CGBuiltin.cpp

@@ -11288,16 +11288,15 @@ Value *CodeGenFunction::EmitAArch64SMEBuiltinExpr(unsigned BuiltinID,
   if (BuiltinID == SME::BI__builtin_sme___arm_in_streaming_mode) {
     // If we already know the streaming mode, don't bother with the intrinsic
     // and emit a constant instead
-    auto FD = cast<FunctionDecl>(CurFuncDecl);
-    if (const Type *Ty = FD->getType().getTypePtrOrNull())
-      if (const auto *FPT = Ty->getAs<FunctionProtoType>()) {
-        unsigned SMEAttrs = FPT->getAArch64SMEAttributes();
-        if (!(SMEAttrs & FunctionType::SME_PStateSMCompatibleMask)) {
-          bool IsStreamingMode =
-              SMEAttrs & FunctionType::SME_PStateSMEnabledMask;
-          return ConstantInt::getBool(Builder.getContext(), IsStreamingMode);
-        }
+    const auto *FD = cast<FunctionDecl>(CurFuncDecl);
+    if (const auto *FPT = FD->getType()->getAs<FunctionProtoType>()) {
+      unsigned SMEAttrs = FPT->getAArch64SMEAttributes();
+      if (!(SMEAttrs & FunctionType::SME_PStateSMCompatibleMask)) {
+        bool IsStreaming =
+            SMEAttrs & FunctionType::SME_PStateSMEnabledMask;
+        return ConstantInt::getBool(Builder.getContext(), IsStreaming);
       }
+    }
   }
 
   // Predicates must match the main datatype.

llvm/test/CodeGen/AArch64/sme-intrinsics-state.ll

@@ -3,7 +3,7 @@
 
 
 define i1 @streaming_mode_streaming_compatible() #0 {
-; CHECK-LABEL: streaming_mode_st_compatible:
+; CHECK-LABEL: streaming_mode_streaming_compatible:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    str x30, [sp, #-16]! // 8-byte Folded Spill
 ; CHECK-NEXT:    bl __arm_sme_state