[Clang][SME2] Use tuple result of SME builtins directly. (#109423)

I missed a codepath during PR108008 so SME2/SVE2p1 builtins are
converting their struct return type into a large vector, which is
causing unnecessary casting via memory.

1 files changed, 2 insertions, 6 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 8a1f6ff..3e2abbd 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -4646,6 +4646,8 @@ public:
                            unsigned BuiltinID);
   llvm::Value *EmitSVEPredicateCast(llvm::Value *Pred,
                                     llvm::ScalableVectorType *VTy);
+  llvm::Value *EmitSVEPredicateTupleCast(llvm::Value *PredTuple,
+                                         llvm::StructType *Ty);
   llvm::Value *EmitSVEGatherLoad(const SVETypeFlags &TypeFlags,
                                  llvm::SmallVectorImpl<llvm::Value *> &Ops,
                                  unsigned IntID);
@@ -4670,12 +4672,6 @@ public:
   llvm::Value *EmitSVEStructStore(const SVETypeFlags &TypeFlags,
                                   SmallVectorImpl<llvm::Value *> &Ops,
                                   unsigned IntID);
-  /// FormSVEBuiltinResult - Returns the struct of scalable vectors as a wider
-  /// vector. It extracts the scalable vector from the struct and inserts into
-  /// the wider vector. This avoids the error when allocating space in llvm
-  /// for struct of scalable vectors if a function returns struct.
-  llvm::Value *FormSVEBuiltinResult(llvm::Value *Call);
-
   llvm::Value *EmitAArch64SVEBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
 
   llvm::Value *EmitSMELd1St1(const SVETypeFlags &TypeFlags,