Index: include/llvm/IR/IntrinsicsX86.td
===================================================================
--- include/llvm/IR/IntrinsicsX86.td
+++ include/llvm/IR/IntrinsicsX86.td
@@ -2234,18 +2234,6 @@
                   [IntrArgMemOnly]>;
 }
 
-// Store ops using non-temporal hint
-let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
-  def int_x86_avx512_storent_q_512 :
-        GCCBuiltin<"__builtin_ia32_movntdq512">,
-        Intrinsic<[], [llvm_ptr_ty, llvm_v8i64_ty], [IntrArgMemOnly]>;
-  def int_x86_avx512_storent_pd_512 :
-        GCCBuiltin<"__builtin_ia32_movntpd512">,
-        Intrinsic<[], [llvm_ptr_ty, llvm_v8f64_ty], [IntrArgMemOnly]>;
-  def int_x86_avx512_storent_ps_512 :
-        GCCBuiltin<"__builtin_ia32_movntps512">,
-        Intrinsic<[], [llvm_ptr_ty, llvm_v16f32_ty], [IntrArgMemOnly]>;
-}
 //===----------------------------------------------------------------------===//
 // AVX2
 
Index: lib/Target/X86/X86IntrinsicsInfo.h
===================================================================
--- lib/Target/X86/X86IntrinsicsInfo.h
+++ lib/Target/X86/X86IntrinsicsInfo.h
@@ -276,9 +276,6 @@
   X86_INTRINSIC_DATA(avx512_scattersiv4_si, SCATTER, X86::VPSCATTERDDZ128mr, 0),
   X86_INTRINSIC_DATA(avx512_scattersiv8_sf, SCATTER, X86::VSCATTERDPSZ256mr, 0),
   X86_INTRINSIC_DATA(avx512_scattersiv8_si, SCATTER, X86::VPSCATTERDDZ256mr, 0),
-  X86_INTRINSIC_DATA(avx512_storent_pd_512, STOREANT, ISD::DELETED_NODE, 0),
-  X86_INTRINSIC_DATA(avx512_storent_ps_512, STOREANT, ISD::DELETED_NODE, 0),
-  X86_INTRINSIC_DATA(avx512_storent_q_512,  STOREANT, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(rdpmc,     RDPMC,  X86ISD::RDPMC_DAG, 0),
   X86_INTRINSIC_DATA(rdrand_16, RDRAND, X86ISD::RDRAND, 0),
   X86_INTRINSIC_DATA(rdrand_32, RDRAND, X86ISD::RDRAND, 0),
Index: test/CodeGen/X86/avx512-intrinsics.ll
===================================================================
--- test/CodeGen/X86/avx512-intrinsics.ll
+++ test/CodeGen/X86/avx512-intrinsics.ll
@@ -7413,39 +7413,6 @@
   ret <2 x double> %res4
 }
 
-declare void @llvm.x86.avx512.storent.q.512(i8*, <8 x i64>)
-
-define void@test_storent_q_512(<8 x i64> %data, i8* %ptr) {
-; CHECK-LABEL: test_storent_q_512:
-; CHECK:       ## BB#0:
-; CHECK-NEXT:    vmovntdq %zmm0, (%rdi)
-; CHECK-NEXT:    retq
-  call void @llvm.x86.avx512.storent.q.512(i8* %ptr, <8 x i64> %data)
-  ret void
-}
-
-declare void @llvm.x86.avx512.storent.pd.512(i8*, <8 x double>)
-
-define void @test_storent_pd_512(<8 x double> %data, i8* %ptr) {
-; CHECK-LABEL: test_storent_pd_512:
-; CHECK:       ## BB#0:
-; CHECK-NEXT:    vmovntpd %zmm0, (%rdi)
-; CHECK-NEXT:    retq
-  call void @llvm.x86.avx512.storent.pd.512(i8* %ptr, <8 x double> %data)
-  ret void
-}
-
-declare void @llvm.x86.avx512.storent.ps.512(i8*, <16 x float>)
-
-define void @test_storent_ps_512(<16 x float> %data, i8* %ptr) {
-; CHECK-LABEL: test_storent_ps_512:
-; CHECK:       ## BB#0:
-; CHECK-NEXT:    vmovntps %zmm0, (%rdi)
-; CHECK-NEXT:    retq
-  call void @llvm.x86.avx512.storent.ps.512(i8* %ptr, <16 x float> %data)
-  ret void
-}
-
 declare i16 @llvm.x86.avx512.ptestnm.d.512(<16 x i32>, <16 x i32>, i16 %x2)
 
 define i16@test_int_x86_avx512_ptestnm_d_512(<16 x i32> %x0, <16 x i32> %x1, i16 %x2) {