Revert "[Clang][SME] Add IsStreamingOrSVE2p1" (#76973)

Reverts llvm/llvm-project#75958

I mistakenly included a commit from my local main after rebasing.

1 files changed, 1 insertions, 16 deletions

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index f13164d..3168d38 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -2998,12 +2998,7 @@ static QualType getNeonEltType(NeonTypeFlags Flags, ASTContext &Context,
   llvm_unreachable("Invalid NeonTypeFlag!");
 }
 
-enum ArmStreamingType {
-  ArmNonStreaming,
-  ArmStreaming,
-  ArmStreamingCompatible,
-  ArmStreamingOrSVE2p1
-};
+enum ArmStreamingType { ArmNonStreaming, ArmStreaming, ArmStreamingCompatible };
 
 bool Sema::ParseSVEImmChecks(
     CallExpr *TheCall, SmallVector<std::tuple<int, int, int>, 3> &ImmChecks) {
@@ -3161,16 +3156,6 @@ static void checkArmStreamingBuiltin(Sema &S, CallExpr *TheCall,
                                      const FunctionDecl *FD,
                                      ArmStreamingType BuiltinType) {
   ArmStreamingType FnType = getArmStreamingFnType(FD);
-  if (BuiltinType == ArmStreamingOrSVE2p1) {
-    // Check intrinsics that are available in [sve2p1 or sme/sme2].
-    llvm::StringMap<bool> CallerFeatureMap;
-    S.Context.getFunctionFeatureMap(CallerFeatureMap, FD);
-    if (Builtin::evaluateRequiredTargetFeatures("sve2p1", CallerFeatureMap))
-      BuiltinType = ArmStreamingCompatible;
-    else
-      BuiltinType = ArmStreaming;
-  }
-
   if (FnType == ArmStreaming && BuiltinType == ArmNonStreaming) {
     S.Diag(TheCall->getBeginLoc(), diag::warn_attribute_arm_sm_incompat_builtin)
         << TheCall->getSourceRange() << "streaming";