diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index b89383d2ce6d..4a8a09a28fd5 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1250,17 +1250,17 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
     setOperationAction(ISD::VSELECT,            MVT::v16i1, Expand);
     if (Subtarget.hasDQI()) {
       setOperationAction(ISD::SINT_TO_FP,       MVT::v8i64, Legal);
+      setOperationAction(ISD::SINT_TO_FP,       MVT::v4i64, Legal);
       setOperationAction(ISD::UINT_TO_FP,       MVT::v8i64, Legal);
+      setOperationAction(ISD::UINT_TO_FP,       MVT::v4i64, Legal);
       setOperationAction(ISD::FP_TO_SINT,       MVT::v8i64, Legal);
+      setOperationAction(ISD::FP_TO_SINT,       MVT::v4i64, Legal);
       setOperationAction(ISD::FP_TO_UINT,       MVT::v8i64, Legal);
+      setOperationAction(ISD::FP_TO_UINT,       MVT::v4i64, Legal);
       if (Subtarget.hasVLX()) {
-        setOperationAction(ISD::SINT_TO_FP,    MVT::v4i64, Legal);
         setOperationAction(ISD::SINT_TO_FP,    MVT::v2i64, Legal);
-        setOperationAction(ISD::UINT_TO_FP,    MVT::v4i64, Legal);
         setOperationAction(ISD::UINT_TO_FP,    MVT::v2i64, Legal);
-        setOperationAction(ISD::FP_TO_SINT,    MVT::v4i64, Legal);
         setOperationAction(ISD::FP_TO_SINT,    MVT::v2i64, Legal);
-        setOperationAction(ISD::FP_TO_UINT,    MVT::v4i64, Legal);
         setOperationAction(ISD::FP_TO_UINT,    MVT::v2i64, Legal);
       }
     }
diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index 9895a8f29f9b..a3e57fa58c7b 100644
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -6562,6 +6562,48 @@ let Predicates = [HasAVX512] in {
             (VCVTPS2PDZrm addr:$src)>;
 }
 
+let Predicates = [HasDQI, NoVLX] in {
+def : Pat<(v4i64 (fp_to_sint (v4f32 VR128X:$src1))),
+          (EXTRACT_SUBREG (v8i64 (VCVTTPS2QQZrr
+           (v8f32 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR128X:$src1, sub_xmm)))), sub_ymm)>;
+
+def : Pat<(v4i64 (fp_to_sint (v4f64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8i64 (VCVTTPD2QQZrr
+           (v8f64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_ymm)>;
+
+def : Pat<(v4i64 (fp_to_uint (v4f32 VR128X:$src1))),
+          (EXTRACT_SUBREG (v8i64 (VCVTTPS2UQQZrr
+           (v8f32 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR128X:$src1, sub_xmm)))), sub_ymm)>;
+
+def : Pat<(v4i64 (fp_to_uint (v4f64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8i64 (VCVTTPD2UQQZrr
+           (v8f64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_ymm)>;
+
+def : Pat<(v4f32 (sint_to_fp (v4i64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8f32 (VCVTQQ2PSZrr
+           (v8i64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_xmm)>;
+
+def : Pat<(v4f64 (sint_to_fp (v4i64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8f64 (VCVTQQ2PDZrr
+           (v8i64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_ymm)>;
+
+def : Pat<(v4f32 (uint_to_fp (v4i64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8f32 (VCVTUQQ2PSZrr
+           (v8i64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_xmm)>;
+
+def : Pat<(v4f64 (uint_to_fp (v4i64 VR256X:$src1))),
+          (EXTRACT_SUBREG (v8f64 (VCVTUQQ2PDZrr
+           (v8i64 (INSERT_SUBREG (IMPLICIT_DEF),
+                                  VR256X:$src1, sub_ymm)))), sub_ymm)>;
+}
+
 //===----------------------------------------------------------------------===//
 // Half precision conversion instructions
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index f4ae6abcd808..6b6ac840fa59 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -716,6 +716,8 @@ int X86TTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) {
   // potential massive combinations (elem_num x src_type x dst_type).
 
   static const TypeConversionCostTblEntry AVX512DQConversionTbl[] = {
+    { ISD::SINT_TO_FP,  MVT::v4f32,  MVT::v4i64,  1 },
+    { ISD::SINT_TO_FP,  MVT::v4f64,  MVT::v4i64,  1 },
     { ISD::SINT_TO_FP,  MVT::v8f32,  MVT::v8i64,  1 },
     { ISD::SINT_TO_FP,  MVT::v8f64,  MVT::v8i64,  1 },
 
@@ -726,7 +728,9 @@ int X86TTIImpl::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) {
     { ISD::UINT_TO_FP,  MVT::v8f32,  MVT::v8i64,  1 },
     { ISD::UINT_TO_FP,  MVT::v8f64,  MVT::v8i64,  1 },
 
+    { ISD::FP_TO_SINT,  MVT::v4i64,  MVT::v4f32,  1 },
     { ISD::FP_TO_SINT,  MVT::v8i64,  MVT::v8f32,  1 },
+    { ISD::FP_TO_SINT,  MVT::v4i64,  MVT::v4f64,  1 },
     { ISD::FP_TO_SINT,  MVT::v8i64,  MVT::v8f64,  1 },
 
     { ISD::FP_TO_UINT,  MVT::v2i64,  MVT::v2f32,  1 },
diff --git a/llvm/test/Analysis/CostModel/X86/fptosi.ll b/llvm/test/Analysis/CostModel/X86/fptosi.ll
index 693efc2ffbfb..6a4bc3c21ea9 100644
--- a/llvm/test/Analysis/CostModel/X86/fptosi.ll
+++ b/llvm/test/Analysis/CostModel/X86/fptosi.ll
@@ -23,7 +23,8 @@ define i32 @fptosi_double_i64(i32 %arg) {
   ; SSE42: cost of 13 {{.*}} %V4I64 = fptosi
   ; AVX1: cost of 12 {{.*}} %V4I64 = fptosi
   ; AVX2: cost of 12 {{.*}} %V4I64 = fptosi
-  ; AVX512: cost of 12 {{.*}} %V4I64 = fptosi
+  ; AVX512F: cost of 12 {{.*}} %V4I64 = fptosi
+  ; AVX512DQ: cost of 1 {{.*}} %V4I64 = fptosi
   %V4I64 = fptosi <4 x double> undef to <4 x i64>
   ; SSE2: cost of 27 {{.*}} %V8I64 = fptosi
   ; SSE42: cost of 27 {{.*}} %V8I64 = fptosi
@@ -145,7 +146,8 @@ define i32 @fptosi_float_i64(i32 %arg) {
   ; SSE42: cost of 13 {{.*}} %V4I64 = fptosi
   ; AVX1: cost of 12 {{.*}} %V4I64 = fptosi
   ; AVX2: cost of 12 {{.*}} %V4I64 = fptosi
-  ; AVX512: cost of 12 {{.*}} %V4I64 = fptosi
+  ; AVX512F: cost of 12 {{.*}} %V4I64 = fptosi
+  ; AVX512DQ: cost of 1 {{.*}} %V4I64 = fptosi
   %V4I64 = fptosi <4 x float> undef to <4 x i64>
   ; SSE2: cost of 27 {{.*}} %V8I64 = fptosi
   ; SSE42: cost of 27 {{.*}} %V8I64 = fptosi
diff --git a/llvm/test/Analysis/CostModel/X86/sitofp.ll b/llvm/test/Analysis/CostModel/X86/sitofp.ll
index 966a2c3ef504..371666141d0a 100644
--- a/llvm/test/Analysis/CostModel/X86/sitofp.ll
+++ b/llvm/test/Analysis/CostModel/X86/sitofp.ll
@@ -110,7 +110,7 @@ define i32 @sitofp_i64_double() {
   ; AVX1: cost of 13 {{.*}} sitofp <4 x i64>
   ; AVX2: cost of 13 {{.*}} sitofp <4 x i64>
   ; AVX512F: cost of 13 {{.*}} sitofp <4 x i64>
-  ; AVX512DQ: cost of 13 {{.*}} sitofp <4 x i64>
+  ; AVX512DQ: cost of 1 {{.*}} sitofp <4 x i64>
   %cvt_v4i64_v4f64 = sitofp <4 x i64> undef to <4 x double>
 
   ; SSE2: cost of 80 {{.*}} sitofp <8 x i64>
@@ -229,7 +229,7 @@ define i32 @sitofp_i64_float() {
   ; AVX1: cost of 10 {{.*}} sitofp <4 x i64>
   ; AVX2: cost of 10 {{.*}} sitofp <4 x i64>
   ; AVX512F: cost of 10 {{.*}} sitofp <4 x i64>
-  ; AVX512DQ: cost of 10 {{.*}} sitofp <4 x i64>
+  ; AVX512DQ: cost of 1 {{.*}} sitofp <4 x i64>
   %cvt_v4i64_v4f32 = sitofp <4 x i64> undef to <4 x float>
 
   ; SSE2: cost of 60 {{.*}} sitofp <8 x i64>
diff --git a/llvm/test/CodeGen/X86/vec_fp_to_int.ll b/llvm/test/CodeGen/X86/vec_fp_to_int.ll
index bd41fafe3bb1..e3c711d3a50f 100644
--- a/llvm/test/CodeGen/X86/vec_fp_to_int.ll
+++ b/llvm/test/CodeGen/X86/vec_fp_to_int.ll
@@ -225,20 +225,9 @@ define <4 x i64> @fptosi_4f64_to_4i64(<4 x double> %a) {
 ;
 ; AVX512DQ-LABEL: fptosi_4f64_to_4i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vcvttsd2si %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm1[1,0]
-; AVX512DQ-NEXT:    vcvttsd2si %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
-; AVX512DQ-NEXT:    vcvttsd2si %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
-; AVX512DQ-NEXT:    vcvttsd2si %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm0
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0]
-; AVX512DQ-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvttpd2qq %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptosi_4f64_to_4i64:
@@ -755,20 +744,9 @@ define <4 x i64> @fptoui_4f64_to_4i64(<4 x double> %a) {
 ;
 ; AVX512DQ-LABEL: fptoui_4f64_to_4i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vcvttsd2usi %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm1 = xmm1[1,0]
-; AVX512DQ-NEXT:    vcvttsd2usi %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
-; AVX512DQ-NEXT:    vcvttsd2usi %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
-; AVX512DQ-NEXT:    vcvttsd2usi %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm0
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0]
-; AVX512DQ-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvttpd2uqq %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptoui_4f64_to_4i64:
@@ -972,12 +950,9 @@ define <2 x i64> @fptosi_4f32_to_2i64(<4 x float> %a) {
 ;
 ; AVX512DQ-LABEL: fptosi_4f32_to_2i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
-; AVX512DQ-NEXT:    vcvttss2si %xmm1, %rax
-; AVX512DQ-NEXT:    vcvttss2si %xmm0, %rcx
-; AVX512DQ-NEXT:    vmovq %rcx, %xmm0
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<def>
+; AVX512DQ-NEXT:    vcvttps2qq %ymm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptosi_4f32_to_2i64:
@@ -1100,20 +1075,8 @@ define <4 x i64> @fptosi_4f32_to_4i64(<8 x float> %a) {
 ;
 ; AVX512DQ-LABEL: fptosi_4f32_to_4i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpermilps {{.*#+}} xmm1 = xmm0[3,1,2,3]
-; AVX512DQ-NEXT:    vcvttss2si %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
-; AVX512DQ-NEXT:    vcvttss2si %xmm2, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
-; AVX512DQ-NEXT:    vcvttss2si %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vmovshdup {{.*#+}} xmm0 = xmm0[1,1,3,3]
-; AVX512DQ-NEXT:    vcvttss2si %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm0
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0]
-; AVX512DQ-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vcvttps2qq %ymm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptosi_4f32_to_4i64:
@@ -1511,12 +1474,9 @@ define <2 x i64> @fptoui_4f32_to_2i64(<4 x float> %a) {
 ;
 ; AVX512DQ-LABEL: fptoui_4f32_to_2i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
-; AVX512DQ-NEXT:    vcvttss2usi %xmm1, %rax
-; AVX512DQ-NEXT:    vcvttss2usi %xmm0, %rcx
-; AVX512DQ-NEXT:    vmovq %rcx, %xmm0
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<def>
+; AVX512DQ-NEXT:    vcvttps2uqq %ymm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptoui_4f32_to_2i64:
@@ -1815,20 +1775,8 @@ define <4 x i64> @fptoui_4f32_to_4i64(<8 x float> %a) {
 ;
 ; AVX512DQ-LABEL: fptoui_4f32_to_4i64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpermilps {{.*#+}} xmm1 = xmm0[3,1,2,3]
-; AVX512DQ-NEXT:    vcvttss2usi %xmm1, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm1
-; AVX512DQ-NEXT:    vpermilpd {{.*#+}} xmm2 = xmm0[1,0]
-; AVX512DQ-NEXT:    vcvttss2usi %xmm2, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm1 = xmm2[0],xmm1[0]
-; AVX512DQ-NEXT:    vcvttss2usi %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm2
-; AVX512DQ-NEXT:    vmovshdup {{.*#+}} xmm0 = xmm0[1,1,3,3]
-; AVX512DQ-NEXT:    vcvttss2usi %xmm0, %rax
-; AVX512DQ-NEXT:    vmovq %rax, %xmm0
-; AVX512DQ-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0]
-; AVX512DQ-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vcvttps2uqq %ymm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: fptoui_4f32_to_4i64:
diff --git a/llvm/test/CodeGen/X86/vec_int_to_fp.ll b/llvm/test/CodeGen/X86/vec_int_to_fp.ll
index bbcd228f3d25..66fa03dd3baf 100644
--- a/llvm/test/CodeGen/X86/vec_int_to_fp.ll
+++ b/llvm/test/CodeGen/X86/vec_int_to_fp.ll
@@ -306,18 +306,9 @@ define <4 x double> @sitofp_4i64_to_4f64(<4 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vpextrq $1, %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm1
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
-; AVX512DQ-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtqq2pd %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_4i64_to_4f64:
@@ -865,18 +856,9 @@ define <4 x double> @uitofp_4i64_to_4f64(<4 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vpextrq $1, %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm1
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
-; AVX512DQ-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtuqq2pd %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_4i64_to_4f64:
@@ -1134,14 +1116,9 @@ define <4 x float> @sitofp_2i64_to_4f32(<2 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: sitofp_2i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm1
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_2i64_to_4f32:
@@ -1208,14 +1185,9 @@ define <4 x float> @sitofp_4i64_to_4f32_undef(<2 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f32_undef:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm1
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_4i64_to_4f32_undef:
@@ -1445,18 +1417,9 @@ define <4 x float> @sitofp_4i64_to_4f32(<4 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: sitofp_4i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_4i64_to_4f32:
@@ -1710,14 +1673,9 @@ define <4 x float> @uitofp_2i64_to_4f32(<2 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: uitofp_2i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm1
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtuqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_2i64_to_4f32:
@@ -1846,14 +1804,9 @@ define <4 x float> @uitofp_4i64_to_4f32_undef(<2 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f32_undef:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[2,3]
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm1
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtuqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_4i64_to_4f32_undef:
@@ -2277,18 +2230,9 @@ define <4 x float> @uitofp_4i64_to_4f32(<4 x i64> %a) {
 ;
 ; AVX512DQ-LABEL: uitofp_4i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<def>
+; AVX512DQ-NEXT:    vcvtuqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_4i64_to_4f32:
@@ -2725,19 +2669,9 @@ define <4 x double> @sitofp_load_4i64_to_4f64(<4 x i64> *%a) {
 ;
 ; AVX512DQ-LABEL: sitofp_load_4i64_to_4f64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovdqa (%rdi), %ymm0
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vpextrq $1, %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm1
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2sdq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
-; AVX512DQ-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vmovaps (%rdi), %ymm0
+; AVX512DQ-NEXT:    vcvtqq2pd %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_load_4i64_to_4f64:
@@ -3161,19 +3095,9 @@ define <4 x double> @uitofp_load_4i64_to_4f64(<4 x i64> *%a) {
 ;
 ; AVX512DQ-LABEL: uitofp_load_4i64_to_4f64:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovdqa (%rdi), %ymm0
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm1
-; AVX512DQ-NEXT:    vpextrq $1, %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm1, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm1
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2sdq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vunpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
-; AVX512DQ-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX512DQ-NEXT:    vmovaps (%rdi), %ymm0
+; AVX512DQ-NEXT:    vcvtuqq2pd %zmm0, %zmm0
+; AVX512DQ-NEXT:    # kill: %YMM0<def> %YMM0<kill> %ZMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_load_4i64_to_4f64:
@@ -3410,19 +3334,9 @@ define <4 x float> @sitofp_load_4i64_to_4f32(<4 x i64> *%a) {
 ;
 ; AVX512DQ-LABEL: sitofp_load_4i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovdqa (%rdi), %ymm0
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtsi2ssq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX512DQ-NEXT:    vmovaps (%rdi), %ymm0
+; AVX512DQ-NEXT:    vcvtqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: sitofp_load_4i64_to_4f32:
@@ -4007,19 +3921,9 @@ define <4 x float> @uitofp_load_4i64_to_4f32(<4 x i64> *%a) {
 ;
 ; AVX512DQ-LABEL: uitofp_load_4i64_to_4f32:
 ; AVX512DQ:       # BB#0:
-; AVX512DQ-NEXT:    vmovdqa (%rdi), %ymm0
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm2[0],xmm1[0],xmm2[2,3]
-; AVX512DQ-NEXT:    vextracti128 $1, %ymm0, %xmm0
-; AVX512DQ-NEXT:    vmovq %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm3, %xmm2
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm1 = xmm1[0,1],xmm2[0],xmm1[3]
-; AVX512DQ-NEXT:    vpextrq $1, %xmm0, %rax
-; AVX512DQ-NEXT:    vcvtusi2ssq %rax, %xmm3, %xmm0
-; AVX512DQ-NEXT:    vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
+; AVX512DQ-NEXT:    vmovaps (%rdi), %ymm0
+; AVX512DQ-NEXT:    vcvtuqq2ps %zmm0, %ymm0
+; AVX512DQ-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<kill>
 ; AVX512DQ-NEXT:    retq
 ;
 ; AVX512VLDQ-LABEL: uitofp_load_4i64_to_4f32:
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll b/llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll
index e1efe63abb78..3d472bb2c208 100644
--- a/llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll
@@ -39,20 +39,41 @@ define void @sitofp_2i64_2f64() #0 {
 }
 
 define void @sitofp_4i64_4f64() #0 {
-; CHECK-LABEL: @sitofp_4i64_4f64(
-; CHECK-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
-; CHECK-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
-; CHECK-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
-; CHECK-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
-; CHECK-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to double
-; CHECK-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to double
-; CHECK-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to double
-; CHECK-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to double
-; CHECK-NEXT:    store double [[CVT0]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 0), align 64
-; CHECK-NEXT:    store double [[CVT1]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 1), align 8
-; CHECK-NEXT:    store double [[CVT2]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 2), align 16
-; CHECK-NEXT:    store double [[CVT3]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 3), align 8
-; CHECK-NEXT:    ret void
+; SSE-LABEL: @sitofp_4i64_4f64(
+; SSE-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
+; SSE-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
+; SSE-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
+; SSE-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
+; SSE-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to double
+; SSE-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to double
+; SSE-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to double
+; SSE-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to double
+; SSE-NEXT:    store double [[CVT0]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 0), align 64
+; SSE-NEXT:    store double [[CVT1]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 1), align 8
+; SSE-NEXT:    store double [[CVT2]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 2), align 16
+; SSE-NEXT:    store double [[CVT3]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 3), align 8
+; SSE-NEXT:    ret void
+;
+; AVX256-LABEL: @sitofp_4i64_4f64(
+; AVX256-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
+; AVX256-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
+; AVX256-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
+; AVX256-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
+; AVX256-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to double
+; AVX256-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to double
+; AVX256-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to double
+; AVX256-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to double
+; AVX256-NEXT:    store double [[CVT0]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 0), align 64
+; AVX256-NEXT:    store double [[CVT1]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 1), align 8
+; AVX256-NEXT:    store double [[CVT2]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 2), align 16
+; AVX256-NEXT:    store double [[CVT3]], double* getelementptr inbounds ([8 x double], [8 x double]* @dst64, i32 0, i64 3), align 8
+; AVX256-NEXT:    ret void
+;
+; AVX512-LABEL: @sitofp_4i64_4f64(
+; AVX512-NEXT:    [[TMP1:%.*]] = load <4 x i64>, <4 x i64>* bitcast ([8 x i64]* @src64 to <4 x i64>*), align 64
+; AVX512-NEXT:    [[TMP2:%.*]] = sitofp <4 x i64> [[TMP1]] to <4 x double>
+; AVX512-NEXT:    store <4 x double> [[TMP2]], <4 x double>* bitcast ([8 x double]* @dst64 to <4 x double>*), align 64
+; AVX512-NEXT:    ret void
 ;
   %ld0 = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
   %ld1 = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
@@ -559,20 +580,41 @@ define void @sitofp_2i64_2f32() #0 {
 }
 
 define void @sitofp_4i64_4f32() #0 {
-; CHECK-LABEL: @sitofp_4i64_4f32(
-; CHECK-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
-; CHECK-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
-; CHECK-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
-; CHECK-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
-; CHECK-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to float
-; CHECK-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to float
-; CHECK-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to float
-; CHECK-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to float
-; CHECK-NEXT:    store float [[CVT0]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 0), align 64
-; CHECK-NEXT:    store float [[CVT1]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 1), align 4
-; CHECK-NEXT:    store float [[CVT2]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 2), align 8
-; CHECK-NEXT:    store float [[CVT3]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 3), align 4
-; CHECK-NEXT:    ret void
+; SSE-LABEL: @sitofp_4i64_4f32(
+; SSE-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
+; SSE-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
+; SSE-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
+; SSE-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
+; SSE-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to float
+; SSE-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to float
+; SSE-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to float
+; SSE-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to float
+; SSE-NEXT:    store float [[CVT0]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 0), align 64
+; SSE-NEXT:    store float [[CVT1]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 1), align 4
+; SSE-NEXT:    store float [[CVT2]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 2), align 8
+; SSE-NEXT:    store float [[CVT3]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 3), align 4
+; SSE-NEXT:    ret void
+;
+; AVX256-LABEL: @sitofp_4i64_4f32(
+; AVX256-NEXT:    [[LD0:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
+; AVX256-NEXT:    [[LD1:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8
+; AVX256-NEXT:    [[LD2:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 2), align 16
+; AVX256-NEXT:    [[LD3:%.*]] = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 3), align 8
+; AVX256-NEXT:    [[CVT0:%.*]] = sitofp i64 [[LD0]] to float
+; AVX256-NEXT:    [[CVT1:%.*]] = sitofp i64 [[LD1]] to float
+; AVX256-NEXT:    [[CVT2:%.*]] = sitofp i64 [[LD2]] to float
+; AVX256-NEXT:    [[CVT3:%.*]] = sitofp i64 [[LD3]] to float
+; AVX256-NEXT:    store float [[CVT0]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 0), align 64
+; AVX256-NEXT:    store float [[CVT1]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 1), align 4
+; AVX256-NEXT:    store float [[CVT2]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 2), align 8
+; AVX256-NEXT:    store float [[CVT3]], float* getelementptr inbounds ([16 x float], [16 x float]* @dst32, i32 0, i64 3), align 4
+; AVX256-NEXT:    ret void
+;
+; AVX512-LABEL: @sitofp_4i64_4f32(
+; AVX512-NEXT:    [[TMP1:%.*]] = load <4 x i64>, <4 x i64>* bitcast ([8 x i64]* @src64 to <4 x i64>*), align 64
+; AVX512-NEXT:    [[TMP2:%.*]] = sitofp <4 x i64> [[TMP1]] to <4 x float>
+; AVX512-NEXT:    store <4 x float> [[TMP2]], <4 x float>* bitcast ([16 x float]* @dst32 to <4 x float>*), align 64
+; AVX512-NEXT:    ret void
 ;
   %ld0 = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 0), align 64
   %ld1 = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @src64, i32 0, i64 1), align 8