diff --git a/include/llvm/IR/IntrinsicsAMDGPU.td b/include/llvm/IR/IntrinsicsAMDGPU.td
index 3800c682d82..cc8e1cead5e 100644
--- a/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -125,7 +125,8 @@ def int_amdgcn_s_barrier : GCCBuiltin<"__builtin_amdgcn_s_barrier">,
 def int_amdgcn_wave_barrier : GCCBuiltin<"__builtin_amdgcn_wave_barrier">,
   Intrinsic<[], [], [IntrConvergent]>;
 
-def int_amdgcn_s_waitcnt : Intrinsic<[], [llvm_i32_ty], []>;
+def int_amdgcn_s_waitcnt : GCCBuiltin<"__builtin_amdgcn_s_waitcnt">,
+  Intrinsic<[], [llvm_i32_ty], []>;
 
 def int_amdgcn_div_scale : Intrinsic<
   // 1st parameter: Numerator