Index: llvm/trunk/include/llvm/IR/IntrinsicsX86.td
===================================================================
--- llvm/trunk/include/llvm/IR/IntrinsicsX86.td
+++ llvm/trunk/include/llvm/IR/IntrinsicsX86.td
@@ -2830,12 +2830,38 @@
   def int_x86_avx2_maskload_q_256 : GCCBuiltin<"__builtin_ia32_maskloadq256">,
         Intrinsic<[llvm_v4i64_ty], [llvm_ptr_ty, llvm_v4i64_ty],
                   [IntrReadArgMem]>;
-  def int_x86_avx512_mask_loadu_d_512 : GCCBuiltin<"__builtin_ia32_loaddqusi512_mask">,
+    def int_x86_avx512_mask_loadu_d_512 : GCCBuiltin<"__builtin_ia32_loaddqusi512_mask">,
         Intrinsic<[llvm_v16i32_ty], [llvm_ptr_ty, llvm_v16i32_ty, llvm_i16_ty],
                   [IntrReadArgMem]>;
   def int_x86_avx512_mask_loadu_q_512 : GCCBuiltin<"__builtin_ia32_loaddqudi512_mask">,
         Intrinsic<[llvm_v8i64_ty], [llvm_ptr_ty, llvm_v8i64_ty, llvm_i8_ty],
                   [IntrReadArgMem]>;
+ 
+  def int_x86_avx512_mask_load_d_128 : 
+         GCCBuiltin<"__builtin_ia32_movdqa32load128_mask">,
+           Intrinsic<[llvm_v4i32_ty],
+                     [llvm_ptr_ty, llvm_v4i32_ty, llvm_i8_ty], [IntrReadArgMem]>;
+  def int_x86_avx512_mask_load_d_256 : 
+         GCCBuiltin<"__builtin_ia32_movdqa32load256_mask">,
+           Intrinsic<[llvm_v8i32_ty],
+                     [llvm_ptr_ty, llvm_v8i32_ty, llvm_i8_ty], [IntrReadArgMem]>;
+  def int_x86_avx512_mask_load_d_512 : 
+         GCCBuiltin<"__builtin_ia32_movdqa32load512_mask">,
+           Intrinsic<[llvm_v16i32_ty],
+                     [llvm_ptr_ty, llvm_v16i32_ty, llvm_i16_ty], [IntrReadArgMem]>;
+
+  def int_x86_avx512_mask_load_q_128 : 
+         GCCBuiltin<"__builtin_ia32_movdqa64load128_mask">,
+           Intrinsic<[llvm_v2i64_ty],
+                     [llvm_ptr_ty, llvm_v2i64_ty, llvm_i8_ty], [IntrReadArgMem]>;
+  def int_x86_avx512_mask_load_q_256 : 
+         GCCBuiltin<"__builtin_ia32_movdqa64load256_mask">,
+           Intrinsic<[llvm_v4i64_ty],
+                     [llvm_ptr_ty, llvm_v4i64_ty, llvm_i8_ty], [IntrReadArgMem]>;
+  def int_x86_avx512_mask_load_q_512 : 
+         GCCBuiltin<"__builtin_ia32_movdqa64load512_mask">,
+           Intrinsic<[llvm_v8i64_ty],
+                     [llvm_ptr_ty, llvm_v8i64_ty, llvm_i8_ty], [IntrReadArgMem]>;
 }
 
 // Conditional store ops
Index: llvm/trunk/lib/Target/X86/X86IntrinsicsInfo.h
===================================================================
--- llvm/trunk/lib/Target/X86/X86IntrinsicsInfo.h
+++ llvm/trunk/lib/Target/X86/X86IntrinsicsInfo.h
@@ -143,12 +143,18 @@
                      EXPAND_FROM_MEM, X86ISD::EXPAND, 0),
   X86_INTRINSIC_DATA(avx512_mask_expand_load_q_512,
                      EXPAND_FROM_MEM, X86ISD::EXPAND, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_d_128, LOADA, ISD::DELETED_NODE, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_d_256, LOADA, ISD::DELETED_NODE, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_d_512, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_pd_128, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_pd_256, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_pd_512, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_ps_128, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_ps_256, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_load_ps_512, LOADA, ISD::DELETED_NODE, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_q_128, LOADA, ISD::DELETED_NODE, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_q_256, LOADA, ISD::DELETED_NODE, 0),
+  X86_INTRINSIC_DATA(avx512_mask_load_q_512, LOADA, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_loadu_pd_128, LOADU, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_loadu_pd_256, LOADU, ISD::DELETED_NODE, 0),
   X86_INTRINSIC_DATA(avx512_mask_loadu_pd_512, LOADU, ISD::DELETED_NODE, 0),
Index: llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll
+++ llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll
@@ -6674,7 +6674,42 @@
   ret <8 x i64> %res4
 }
 
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+declare <16 x i32> @llvm.x86.avx512.mask.load.d.512(i8*, <16 x i32>, i16)
+
+define <16 x i32> @test_mask_load_aligned_d(<16 x i32> %data, i8* %ptr, i16 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_d:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vmovdqa32 (%rdi), %zmm0
+; CHECK-NEXT:    vmovdqa32 (%rdi), %zmm0 {%k1}
+; CHECK-NEXT:    vmovdqa32 (%rdi), %zmm1 {%k1} {z}
+; CHECK-NEXT:    vpaddd %zmm0, %zmm1, %zmm0
+; CHECK-NEXT:    retq
+  %res = call <16 x i32> @llvm.x86.avx512.mask.load.d.512(i8* %ptr, <16 x i32> zeroinitializer, i16 -1)
+  %res1 = call <16 x i32> @llvm.x86.avx512.mask.load.d.512(i8* %ptr, <16 x i32> %res, i16 %mask)
+  %res2 = call <16 x i32> @llvm.x86.avx512.mask.load.d.512(i8* %ptr, <16 x i32> zeroinitializer, i16 %mask)
+  %res4 = add <16 x i32> %res2, %res1
+  ret <16 x i32> %res4
+}
+
+declare <8 x i64> @llvm.x86.avx512.mask.load.q.512(i8*, <8 x i64>, i8)
+
+define <8 x i64> @test_mask_load_aligned_q(<8 x i64> %data, i8* %ptr, i8 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_q:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movzbl %sil, %eax
+; CHECK-NEXT:    kmovw %eax, %k1
+; CHECK-NEXT:    vmovdqa64 (%rdi), %zmm0
+; CHECK-NEXT:    vmovdqa64 (%rdi), %zmm0 {%k1}
+; CHECK-NEXT:    vmovdqa64 (%rdi), %zmm1 {%k1} {z}
+; CHECK-NEXT:    vpaddq %zmm0, %zmm1, %zmm0
+; CHECK-NEXT:    retq
+  %res = call <8 x i64> @llvm.x86.avx512.mask.load.q.512(i8* %ptr, <8 x i64> zeroinitializer, i8 -1)
+  %res1 = call <8 x i64> @llvm.x86.avx512.mask.load.q.512(i8* %ptr, <8 x i64> %res, i8 %mask)
+  %res2 = call <8 x i64> @llvm.x86.avx512.mask.load.q.512(i8* %ptr, <8 x i64> zeroinitializer, i8 %mask)
+  %res4 = add <8 x i64> %res2, %res1
+  ret <8 x i64> %res4
+}
 
 declare <16 x i32> @llvm.x86.avx512.mask.pmovzxb.d.512(<16 x i8>, <16 x i32>, i16)
 
@@ -6883,5 +6918,3 @@
   %res4 = add <8 x i64> %res3, %res2
   ret <8 x i64> %res4
 }
-
-
Index: llvm/trunk/test/CodeGen/X86/avx512vl-intrinsics.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512vl-intrinsics.ll
+++ llvm/trunk/test/CodeGen/X86/avx512vl-intrinsics.ll
@@ -6875,6 +6875,82 @@
   ret <4 x i64> %res4
 }
 
+declare <4 x i32> @llvm.x86.avx512.mask.load.d.128(i8*, <4 x i32>, i8)
+
+define <4 x i32> @test_mask_load_aligned_d_128(<4 x i32> %data, i8* %ptr, i8 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_d_128:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movzbl %sil, %eax
+; CHECK-NEXT:    kmovw %eax, %k1
+; CHECK-NEXT:    vmovdqa32 (%rdi), %xmm0
+; CHECK-NEXT:    vmovdqa32 (%rdi), %xmm0 {%k1}
+; CHECK-NEXT:    vmovdqa32 (%rdi), %xmm1 {%k1} {z}
+; CHECK-NEXT:    vpaddd %xmm0, %xmm1, %xmm0
+; CHECK-NEXT:    retq
+  %res = call <4 x i32> @llvm.x86.avx512.mask.load.d.128(i8* %ptr, <4 x i32> zeroinitializer, i8 -1)
+  %res1 = call <4 x i32> @llvm.x86.avx512.mask.load.d.128(i8* %ptr, <4 x i32> %res, i8 %mask)
+  %res2 = call <4 x i32> @llvm.x86.avx512.mask.load.d.128(i8* %ptr, <4 x i32> zeroinitializer, i8 %mask)
+  %res4 = add <4 x i32> %res2, %res1
+  ret <4 x i32> %res4
+}
+
+declare <8 x i32> @llvm.x86.avx512.mask.load.d.256(i8*, <8 x i32>, i8)
+
+define <8 x i32> @test_mask_load_aligned_d_256(<8 x i32> %data, i8* %ptr, i8 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_d_256:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movzbl %sil, %eax
+; CHECK-NEXT:    kmovw %eax, %k1
+; CHECK-NEXT:    vmovdqa32 (%rdi), %ymm0
+; CHECK-NEXT:    vmovdqa32 (%rdi), %ymm0 {%k1}
+; CHECK-NEXT:    vmovdqa32 (%rdi), %ymm1 {%k1} {z}
+; CHECK-NEXT:    vpaddd %ymm0, %ymm1, %ymm0
+; CHECK-NEXT:    retq
+  %res = call <8 x i32> @llvm.x86.avx512.mask.load.d.256(i8* %ptr, <8 x i32> zeroinitializer, i8 -1)
+  %res1 = call <8 x i32> @llvm.x86.avx512.mask.load.d.256(i8* %ptr, <8 x i32> %res, i8 %mask)
+  %res2 = call <8 x i32> @llvm.x86.avx512.mask.load.d.256(i8* %ptr, <8 x i32> zeroinitializer, i8 %mask)
+  %res4 = add <8 x i32> %res2, %res1
+  ret <8 x i32> %res4
+}
+
+declare <2 x i64> @llvm.x86.avx512.mask.load.q.128(i8*, <2 x i64>, i8)
+
+define <2 x i64> @test_mask_load_aligned_q_128(<2 x i64> %data, i8* %ptr, i8 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_q_128:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movzbl %sil, %eax
+; CHECK-NEXT:    kmovw %eax, %k1
+; CHECK-NEXT:    vmovdqa64 (%rdi), %xmm0
+; CHECK-NEXT:    vmovdqa64 (%rdi), %xmm0 {%k1}
+; CHECK-NEXT:    vmovdqa64 (%rdi), %xmm1 {%k1} {z}
+; CHECK-NEXT:    vpaddq %xmm0, %xmm1, %xmm0
+; CHECK-NEXT:    retq
+  %res = call <2 x i64> @llvm.x86.avx512.mask.load.q.128(i8* %ptr, <2 x i64> zeroinitializer, i8 -1)
+  %res1 = call <2 x i64> @llvm.x86.avx512.mask.load.q.128(i8* %ptr, <2 x i64> %res, i8 %mask)
+  %res2 = call <2 x i64> @llvm.x86.avx512.mask.load.q.128(i8* %ptr, <2 x i64> zeroinitializer, i8 %mask)
+  %res4 = add <2 x i64> %res2, %res1
+  ret <2 x i64> %res4
+}
+
+declare <4 x i64> @llvm.x86.avx512.mask.load.q.256(i8*, <4 x i64>, i8)
+
+define <4 x i64> @test_mask_load_aligned_q_256(<4 x i64> %data, i8* %ptr, i8 %mask) {
+; CHECK-LABEL: test_mask_load_aligned_q_256:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    movzbl %sil, %eax
+; CHECK-NEXT:    kmovw %eax, %k1
+; CHECK-NEXT:    vmovdqa64 (%rdi), %ymm0
+; CHECK-NEXT:    vmovdqa64 (%rdi), %ymm0 {%k1}
+; CHECK-NEXT:    vmovdqa64 (%rdi), %ymm1 {%k1} {z}
+; CHECK-NEXT:    vpaddq %ymm0, %ymm1, %ymm0
+; CHECK-NEXT:    retq
+  %res = call <4 x i64> @llvm.x86.avx512.mask.load.q.256(i8* %ptr, <4 x i64> zeroinitializer, i8 -1)
+  %res1 = call <4 x i64> @llvm.x86.avx512.mask.load.q.256(i8* %ptr, <4 x i64> %res, i8 %mask)
+  %res2 = call <4 x i64> @llvm.x86.avx512.mask.load.q.256(i8* %ptr, <4 x i64> zeroinitializer, i8 %mask)
+  %res4 = add <4 x i64> %res2, %res1
+  ret <4 x i64> %res4
+}
+
 declare <4 x i32> @llvm.x86.avx512.mask.prolv.d.128(<4 x i32>, <4 x i32>, <4 x i32>, i8)
 
 define <4 x i32>@test_int_x86_avx512_mask_prolv_d_128(<4 x i32> %x0, <4 x i32> %x1, <4 x i32> %x2, i8 %x3) {