diff --git a/include/llvm/IntrinsicsX86.td b/include/llvm/IntrinsicsX86.td
index cf1b8e9f4eb..3c12e57cb33 100644
--- a/include/llvm/IntrinsicsX86.td
+++ b/include/llvm/IntrinsicsX86.td
@@ -1089,10 +1089,10 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
 let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_avx_blend_pd_256 : GCCBuiltin<"__builtin_ia32_blendpd256">,
         Intrinsic<[llvm_v4f64_ty], [llvm_v4f64_ty,
-                  llvm_v4f64_ty, llvm_i8_ty], [IntrNoMem]>;
+                  llvm_v4f64_ty, llvm_i32_ty], [IntrNoMem]>;
   def int_x86_avx_blend_ps_256 : GCCBuiltin<"__builtin_ia32_blendps256">,
         Intrinsic<[llvm_v8f32_ty], [llvm_v8f32_ty,
-                  llvm_v8f32_ty, llvm_i8_ty], [IntrNoMem]>;
+                  llvm_v8f32_ty, llvm_i32_ty], [IntrNoMem]>;
   def int_x86_avx_blendv_pd_256 : GCCBuiltin<"__builtin_ia32_blendvpd256">,
         Intrinsic<[llvm_v4f64_ty], [llvm_v4f64_ty,
                   llvm_v4f64_ty, llvm_v4f64_ty], [IntrNoMem]>;