1 files changed, 40 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 90ca218a837..44e79100828 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -1865,6 +1865,8 @@ Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID,
   case llvm::Triple::r600:
   case llvm::Triple::amdgcn:
     return EmitR600BuiltinExpr(BuiltinID, E);
+  case llvm::Triple::systemz:
+    return EmitSystemZBuiltinExpr(BuiltinID, E);
   default:
     return nullptr;
   }
@@ -6475,3 +6477,41 @@ Value *CodeGenFunction::EmitR600BuiltinExpr(unsigned BuiltinID,
     return nullptr;
   }
 }
+
+Value *CodeGenFunction::EmitSystemZBuiltinExpr(unsigned BuiltinID,
+                                               const CallExpr *E) {
+  switch (BuiltinID) {
+  case SystemZ::BI__builtin_tbegin: {
+    Value *TDB = EmitScalarExpr(E->getArg(0));
+    Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff0c);
+    Value *F = CGM.getIntrinsic(Intrinsic::s390_tbegin);
+    return Builder.CreateCall2(F, TDB, Control);
+  }
+  case SystemZ::BI__builtin_tbegin_nofloat: {
+    Value *TDB = EmitScalarExpr(E->getArg(0));
+    Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff0c);
+    Value *F = CGM.getIntrinsic(Intrinsic::s390_tbegin_nofloat);
+    return Builder.CreateCall2(F, TDB, Control);
+  }
+  case SystemZ::BI__builtin_tbeginc: {
+    Value *TDB = llvm::ConstantPointerNull::get(Int8PtrTy);
+    Value *Control = llvm::ConstantInt::get(Int32Ty, 0xff08);
+    Value *F = CGM.getIntrinsic(Intrinsic::s390_tbeginc);
+    return Builder.CreateCall2(F, TDB, Control);
+  }
+  case SystemZ::BI__builtin_tabort: {
+    Value *Data = EmitScalarExpr(E->getArg(0));
+    Value *F = CGM.getIntrinsic(Intrinsic::s390_tabort);
+    return Builder.CreateCall(F, Builder.CreateSExt(Data, Int64Ty, "tabort"));
+  }
+  case SystemZ::BI__builtin_non_tx_store: {
+    Value *Address = EmitScalarExpr(E->getArg(0));
+    Value *Data = EmitScalarExpr(E->getArg(1));
+    Value *F = CGM.getIntrinsic(Intrinsic::s390_ntstg);
+    return Builder.CreateCall2(F, Data, Address);
+  }
+
+  default:
+    return nullptr;
+  }
+}