Remove redundant __arm_in_streaming_mode declaration

Author: NickGuy-Arm

clang/include/clang/Basic/arm_sme.td

@@ -716,7 +716,7 @@ let SMETargetGuard = "sme2" in {
   def SVZERO_ZT : Inst<"svzero_zt", "vi", "", MergeNone, "aarch64_sme_zero_zt", [IsOverloadNone, IsStreamingCompatible, IsOutZT0], [ImmCheck<0, ImmCheck0_0>]>;
 }
 
-def IN_STREAMING_MODE :  Inst<"in_streaming_mode", "d", "", MergeNone, "aarch64_sme_in_streaming_mode", [IsOverloadNone, IsStreamingCompatible], []>;
+def IN_STREAMING_MODE :  Inst<"__arm_in_streaming_mode", "sv", "Pc", MergeNone, "aarch64_sme_in_streaming_mode", [IsOverloadNone, IsStreamingCompatible], []>;
 
 //
 // lookup table expand four contiguous registers

clang/utils/TableGen/SveEmitter.cpp

@@ -1636,9 +1636,6 @@ void SVEEmitter::createSMEHeader(raw_ostream &OS) {
   OS << "  return x0 & (1ULL << 63);\n";
   OS << "}\n\n";
 
-  OS << "__ai __attribute__((__clang_arm_builtin_alias(__builtin_sme_in_streaming_mode)))";
-  OS << " bool __arm_in_streaming_mode(void) __arm_streaming_compatible;\n\n";
-
   OS << "void *__arm_sc_memcpy(void *dest, const void *src, size_t n) __arm_streaming_compatible;\n";
   OS << "void *__arm_sc_memmove(void *dest, const void *src, size_t n) __arm_streaming_compatible;\n";
   OS << "void *__arm_sc_memset(void *s, int c, size_t n) __arm_streaming_compatible;\n";

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -27295,11 +27295,13 @@ void AArch64TargetLowering::ReplaceNodeResults(
       Results.push_back(DAG.getNode(ISD::TRUNCATE, DL, VT, V));
       return;
     }
-      case Intrinsic::aarch64_sme_in_streaming_mode: {
+    case Intrinsic::aarch64_sme_in_streaming_mode: {
       auto DL = SDLoc(N);
       SDValue Chain = DAG.getEntryNode();
-      auto RuntimePStateSM = getRuntimePStateSM(DAG, Chain, DL, N->getValueType(0));
-      Results.push_back(DAG.getNode(ISD::TRUNCATE, DL, MVT::i1, RuntimePStateSM));
+      auto RuntimePStateSM =
+          getRuntimePStateSM(DAG, Chain, DL, N->getValueType(0));
+      Results.push_back(
+          DAG.getNode(ISD::TRUNCATE, DL, MVT::i1, RuntimePStateSM));
       return;
     }
     case Intrinsic::experimental_vector_match: