[X86] Add a VBROADCAST_LOAD ISD opcode representing a scalar load broadcasted to a vector.

Summary:
This adds the ISD opcode and a DAG combine to create it. There are
probably some places where we can directly create it, but I'll
leave that for future work.

This updates all of the isel patterns to look for this new node.
I had to add a few additional isel patterns for aligned extloads
which we should probably fix with a DAG combine or something. This
does mean that the broadcast load folding for avx512 can no
longer match a broadcasted aligned extload.

There's still some work to do here for combining a broadcast of
a broadcast_load. We also need to improve extractelement or
demanded vector elements of a broadcast_load. I'll try to get
those done before I submit this patch.

Reviewers: RKSimon, spatel

Reviewed By: RKSimon

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68198

llvm-svn: 373349

5 files changed, 47 insertions, 56 deletions

diff --git a/llvm/test/CodeGen/X86/avx512-intrinsics-upgrade.ll b/llvm/test/CodeGen/X86/avx512-intrinsics-upgrade.ll
index 20327658a7b..a526518c3fe 100644
--- a/llvm/test/CodeGen/X86/avx512-intrinsics-upgrade.ll
+++ b/llvm/test/CodeGen/X86/avx512-intrinsics-upgrade.ll
@@ -29,11 +29,10 @@ define i16 @unpckbw_test(i16 %a0, i16 %a1) {
 define <16 x i32>@test_int_x86_avx512_mask_pbroadcastd_gpr_512(i32 %x0, <16 x i32> %x1, i16 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcastd_gpr_512:
 ; X86:       ## %bb.0:
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastd %eax, %zmm1 ## encoding: [0x62,0xf2,0x7d,0x48,0x7c,0xc8]
+; X86-NEXT:    vpbroadcastd {{[0-9]+}}(%esp), %zmm1 ## encoding: [0x62,0xf2,0x7d,0x48,0x58,0x4c,0x24,0x01]
 ; X86-NEXT:    kmovw {{[0-9]+}}(%esp), %k1 ## encoding: [0xc5,0xf8,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastd %eax, %zmm0 {%k1} ## encoding: [0x62,0xf2,0x7d,0x49,0x7c,0xc0]
-; X86-NEXT:    vpbroadcastd %eax, %zmm2 {%k1} {z} ## encoding: [0x62,0xf2,0x7d,0xc9,0x7c,0xd0]
+; X86-NEXT:    vmovdqa32 %zmm1, %zmm0 {%k1} ## encoding: [0x62,0xf1,0x7d,0x49,0x6f,0xc1]
+; X86-NEXT:    vmovdqa32 %zmm1, %zmm2 {%k1} {z} ## encoding: [0x62,0xf1,0x7d,0xc9,0x6f,0xd1]
 ; X86-NEXT:    vpaddd %zmm2, %zmm0, %zmm0 ## encoding: [0x62,0xf1,0x7d,0x48,0xfe,0xc2]
 ; X86-NEXT:    vpaddd %zmm0, %zmm1, %zmm0 ## encoding: [0x62,0xf1,0x75,0x48,0xfe,0xc0]
 ; X86-NEXT:    retl ## encoding: [0xc3]
diff --git a/llvm/test/CodeGen/X86/avx512bw-intrinsics-upgrade.ll b/llvm/test/CodeGen/X86/avx512bw-intrinsics-upgrade.ll
index beea392fc17..0ca1f7be885 100644
--- a/llvm/test/CodeGen/X86/avx512bw-intrinsics-upgrade.ll
+++ b/llvm/test/CodeGen/X86/avx512bw-intrinsics-upgrade.ll
@@ -49,11 +49,10 @@ declare <64 x i8> @llvm.x86.avx512.mask.pbroadcast.b.gpr.512(i8, <64 x i8>, i64)
   define <64 x i8>@test_int_x86_avx512_mask_pbroadcast_b_gpr_512(i8 %x0, <64 x i8> %x1, i64 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_b_gpr_512:
 ; X86:       # %bb.0:
-; X86-NEXT:    movb {{[0-9]+}}(%esp), %al # encoding: [0x8a,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastb %eax, %zmm1 # encoding: [0x62,0xf2,0x7d,0x48,0x7a,0xc8]
+; X86-NEXT:    vpbroadcastb {{[0-9]+}}(%esp), %zmm1 # encoding: [0x62,0xf2,0x7d,0x48,0x78,0x4c,0x24,0x04]
 ; X86-NEXT:    kmovq {{[0-9]+}}(%esp), %k1 # encoding: [0xc4,0xe1,0xf8,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastb %eax, %zmm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x49,0x7a,0xc0]
-; X86-NEXT:    vpbroadcastb %eax, %zmm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xc9,0x7a,0xd0]
+; X86-NEXT:    vmovdqu8 %zmm1, %zmm0 {%k1} # encoding: [0x62,0xf1,0x7f,0x49,0x6f,0xc1]
+; X86-NEXT:    vmovdqu8 %zmm1, %zmm2 {%k1} {z} # encoding: [0x62,0xf1,0x7f,0xc9,0x6f,0xd1]
 ; X86-NEXT:    vpaddb %zmm2, %zmm0, %zmm0 # encoding: [0x62,0xf1,0x7d,0x48,0xfc,0xc2]
 ; X86-NEXT:    vpaddb %zmm0, %zmm1, %zmm0 # encoding: [0x62,0xf1,0x75,0x48,0xfc,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
@@ -79,11 +78,10 @@ declare <32 x i16> @llvm.x86.avx512.mask.pbroadcast.w.gpr.512(i16, <32 x i16>, i
   define <32 x i16>@test_int_x86_avx512_mask_pbroadcast_w_gpr_512(i16 %x0, <32 x i16> %x1, i32 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_w_gpr_512:
 ; X86:       # %bb.0:
-; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb7,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastw %eax, %zmm1 # encoding: [0x62,0xf2,0x7d,0x48,0x7b,0xc8]
+; X86-NEXT:    vpbroadcastw {{[0-9]+}}(%esp), %zmm1 # encoding: [0x62,0xf2,0x7d,0x48,0x79,0x4c,0x24,0x02]
 ; X86-NEXT:    kmovd {{[0-9]+}}(%esp), %k1 # encoding: [0xc4,0xe1,0xf9,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastw %eax, %zmm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x49,0x7b,0xc0]
-; X86-NEXT:    vpbroadcastw %eax, %zmm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xc9,0x7b,0xd0]
+; X86-NEXT:    vmovdqu16 %zmm1, %zmm0 {%k1} # encoding: [0x62,0xf1,0xff,0x49,0x6f,0xc1]
+; X86-NEXT:    vmovdqu16 %zmm1, %zmm2 {%k1} {z} # encoding: [0x62,0xf1,0xff,0xc9,0x6f,0xd1]
 ; X86-NEXT:    vpaddw %zmm2, %zmm0, %zmm0 # encoding: [0x62,0xf1,0x7d,0x48,0xfd,0xc2]
 ; X86-NEXT:    vpaddw %zmm0, %zmm1, %zmm0 # encoding: [0x62,0xf1,0x75,0x48,0xfd,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
diff --git a/llvm/test/CodeGen/X86/avx512bwvl-intrinsics-upgrade.ll b/llvm/test/CodeGen/X86/avx512bwvl-intrinsics-upgrade.ll
index bd7969e9969..8907578cd33 100644
--- a/llvm/test/CodeGen/X86/avx512bwvl-intrinsics-upgrade.ll
+++ b/llvm/test/CodeGen/X86/avx512bwvl-intrinsics-upgrade.ll
@@ -7,11 +7,10 @@ declare <16 x i8> @llvm.x86.avx512.mask.pbroadcast.b.gpr.128(i8, <16 x i8>, i16)
 define <16 x i8>@test_int_x86_avx512_mask_pbroadcast_b_gpr_128(i8 %x0, <16 x i8> %x1, i16 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_b_gpr_128:
 ; X86:       # %bb.0:
-; X86-NEXT:    movb {{[0-9]+}}(%esp), %al # encoding: [0x8a,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastb %eax, %xmm1 # encoding: [0x62,0xf2,0x7d,0x08,0x7a,0xc8]
+; X86-NEXT:    vpbroadcastb {{[0-9]+}}(%esp), %xmm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x79,0x78,0x4c,0x24,0x04]
 ; X86-NEXT:    kmovw {{[0-9]+}}(%esp), %k1 # encoding: [0xc5,0xf8,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastb %eax, %xmm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x09,0x7a,0xc0]
-; X86-NEXT:    vpbroadcastb %eax, %xmm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0x89,0x7a,0xd0]
+; X86-NEXT:    vmovdqu8 %xmm1, %xmm0 {%k1} # encoding: [0x62,0xf1,0x7f,0x09,0x6f,0xc1]
+; X86-NEXT:    vmovdqu8 %xmm1, %xmm2 {%k1} {z} # encoding: [0x62,0xf1,0x7f,0x89,0x6f,0xd1]
 ; X86-NEXT:    vpaddb %xmm2, %xmm0, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf9,0xfc,0xc2]
 ; X86-NEXT:    vpaddb %xmm0, %xmm1, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0xfc,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
@@ -39,12 +38,11 @@ declare <8 x i16> @llvm.x86.avx512.mask.pbroadcast.w.gpr.128(i16, <8 x i16>, i8)
 define <8 x i16>@test_int_x86_avx512_mask_pbroadcast_w_gpr_128(i16 %x0, <8 x i16> %x1, i8 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_w_gpr_128:
 ; X86:       # %bb.0:
-; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb7,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastw %eax, %xmm1 # encoding: [0x62,0xf2,0x7d,0x08,0x7b,0xc8]
-; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx # encoding: [0x0f,0xb6,0x4c,0x24,0x08]
-; X86-NEXT:    kmovd %ecx, %k1 # encoding: [0xc5,0xfb,0x92,0xc9]
-; X86-NEXT:    vpbroadcastw %eax, %xmm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x09,0x7b,0xc0]
-; X86-NEXT:    vpbroadcastw %eax, %xmm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0x89,0x7b,0xd0]
+; X86-NEXT:    vpbroadcastw {{[0-9]+}}(%esp), %xmm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x79,0x79,0x4c,0x24,0x04]
+; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb6,0x44,0x24,0x08]
+; X86-NEXT:    kmovd %eax, %k1 # encoding: [0xc5,0xfb,0x92,0xc8]
+; X86-NEXT:    vmovdqu16 %xmm1, %xmm0 {%k1} # encoding: [0x62,0xf1,0xff,0x09,0x6f,0xc1]
+; X86-NEXT:    vmovdqu16 %xmm1, %xmm2 {%k1} {z} # encoding: [0x62,0xf1,0xff,0x89,0x6f,0xd1]
 ; X86-NEXT:    vpaddw %xmm2, %xmm0, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf9,0xfd,0xc2]
 ; X86-NEXT:    vpaddw %xmm0, %xmm1, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0xfd,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
@@ -72,11 +70,10 @@ define <8 x i16>@test_int_x86_avx512_mask_pbroadcast_w_gpr_128(i16 %x0, <8 x i16
   define <32 x i8>@test_int_x86_avx512_mask_pbroadcast_b_gpr_256(i8 %x0, <32 x i8> %x1, i32 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_b_gpr_256:
 ; X86:       # %bb.0:
-; X86-NEXT:    movb {{[0-9]+}}(%esp), %al # encoding: [0x8a,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastb %eax, %ymm1 # encoding: [0x62,0xf2,0x7d,0x28,0x7a,0xc8]
+; X86-NEXT:    vpbroadcastb {{[0-9]+}}(%esp), %ymm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x7d,0x78,0x4c,0x24,0x04]
 ; X86-NEXT:    kmovd {{[0-9]+}}(%esp), %k1 # encoding: [0xc4,0xe1,0xf9,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastb %eax, %ymm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x29,0x7a,0xc0]
-; X86-NEXT:    vpbroadcastb %eax, %ymm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xa9,0x7a,0xd0]
+; X86-NEXT:    vmovdqu8 %ymm1, %ymm0 {%k1} # encoding: [0x62,0xf1,0x7f,0x29,0x6f,0xc1]
+; X86-NEXT:    vmovdqu8 %ymm1, %ymm2 {%k1} {z} # encoding: [0x62,0xf1,0x7f,0xa9,0x6f,0xd1]
 ; X86-NEXT:    vpaddb %ymm2, %ymm0, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xfd,0xfc,0xc2]
 ; X86-NEXT:    vpaddb %ymm0, %ymm1, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xf5,0xfc,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
@@ -105,11 +102,10 @@ declare <16 x i16> @llvm.x86.avx512.mask.pbroadcast.w.gpr.256(i16, <16 x i16>, i
   define <16 x i16>@test_int_x86_avx512_mask_pbroadcast_w_gpr_256(i16 %x0, <16 x i16> %x1, i16 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_w_gpr_256:
 ; X86:       # %bb.0:
-; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb7,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastw %eax, %ymm1 # encoding: [0x62,0xf2,0x7d,0x28,0x7b,0xc8]
+; X86-NEXT:    vpbroadcastw {{[0-9]+}}(%esp), %ymm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x7d,0x79,0x4c,0x24,0x04]
 ; X86-NEXT:    kmovw {{[0-9]+}}(%esp), %k1 # encoding: [0xc5,0xf8,0x90,0x4c,0x24,0x08]
-; X86-NEXT:    vpbroadcastw %eax, %ymm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x29,0x7b,0xc0]
-; X86-NEXT:    vpbroadcastw %eax, %ymm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xa9,0x7b,0xd0]
+; X86-NEXT:    vmovdqu16 %ymm1, %ymm0 {%k1} # encoding: [0x62,0xf1,0xff,0x29,0x6f,0xc1]
+; X86-NEXT:    vmovdqu16 %ymm1, %ymm2 {%k1} {z} # encoding: [0x62,0xf1,0xff,0xa9,0x6f,0xd1]
 ; X86-NEXT:    vpaddw %ymm2, %ymm0, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xfd,0xfd,0xc2]
 ; X86-NEXT:    vpaddw %ymm0, %ymm1, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xf5,0xfd,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
diff --git a/llvm/test/CodeGen/X86/avx512vl-intrinsics-upgrade.ll b/llvm/test/CodeGen/X86/avx512vl-intrinsics-upgrade.ll
index 022ec6c6855..8684d1f568f 100644
--- a/llvm/test/CodeGen/X86/avx512vl-intrinsics-upgrade.ll
+++ b/llvm/test/CodeGen/X86/avx512vl-intrinsics-upgrade.ll
@@ -7,12 +7,11 @@ declare <4 x i32> @llvm.x86.avx512.mask.pbroadcast.d.gpr.128(i32, <4 x i32>, i8)
 define <4 x i32>@test_int_x86_avx512_mask_pbroadcast_d_gpr_128(i32 %x0, <4 x i32> %x1, i8 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_d_gpr_128:
 ; X86:       # %bb.0:
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastd %eax, %xmm1 # encoding: [0x62,0xf2,0x7d,0x08,0x7c,0xc8]
-; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx # encoding: [0x0f,0xb6,0x4c,0x24,0x08]
-; X86-NEXT:    kmovw %ecx, %k1 # encoding: [0xc5,0xf8,0x92,0xc9]
-; X86-NEXT:    vpbroadcastd %eax, %xmm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x09,0x7c,0xc0]
-; X86-NEXT:    vpbroadcastd %eax, %xmm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0x89,0x7c,0xd0]
+; X86-NEXT:    vpbroadcastd {{[0-9]+}}(%esp), %xmm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x79,0x58,0x4c,0x24,0x04]
+; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb6,0x44,0x24,0x08]
+; X86-NEXT:    kmovw %eax, %k1 # encoding: [0xc5,0xf8,0x92,0xc8]
+; X86-NEXT:    vmovdqa32 %xmm1, %xmm0 {%k1} # encoding: [0x62,0xf1,0x7d,0x09,0x6f,0xc1]
+; X86-NEXT:    vmovdqa32 %xmm1, %xmm2 {%k1} {z} # encoding: [0x62,0xf1,0x7d,0x89,0x6f,0xd1]
 ; X86-NEXT:    vpaddd %xmm2, %xmm0, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf9,0xfe,0xc2]
 ; X86-NEXT:    vpaddd %xmm0, %xmm1, %xmm0 # EVEX TO VEX Compression encoding: [0xc5,0xf1,0xfe,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
@@ -72,12 +71,11 @@ define <2 x i64>@test_int_x86_avx512_mask_pbroadcast_q_gpr_128(i64 %x0, <2 x i64
   define <8 x i32>@test_int_x86_avx512_mask_pbroadcast_d_gpr_256(i32 %x0, <8 x i32> %x1, i8 %mask) {
 ; X86-LABEL: test_int_x86_avx512_mask_pbroadcast_d_gpr_256:
 ; X86:       # %bb.0:
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax # encoding: [0x8b,0x44,0x24,0x04]
-; X86-NEXT:    vpbroadcastd %eax, %ymm1 # encoding: [0x62,0xf2,0x7d,0x28,0x7c,0xc8]
-; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %ecx # encoding: [0x0f,0xb6,0x4c,0x24,0x08]
-; X86-NEXT:    kmovw %ecx, %k1 # encoding: [0xc5,0xf8,0x92,0xc9]
-; X86-NEXT:    vpbroadcastd %eax, %ymm0 {%k1} # encoding: [0x62,0xf2,0x7d,0x29,0x7c,0xc0]
-; X86-NEXT:    vpbroadcastd %eax, %ymm2 {%k1} {z} # encoding: [0x62,0xf2,0x7d,0xa9,0x7c,0xd0]
+; X86-NEXT:    vpbroadcastd {{[0-9]+}}(%esp), %ymm1 # EVEX TO VEX Compression encoding: [0xc4,0xe2,0x7d,0x58,0x4c,0x24,0x04]
+; X86-NEXT:    movzbl {{[0-9]+}}(%esp), %eax # encoding: [0x0f,0xb6,0x44,0x24,0x08]
+; X86-NEXT:    kmovw %eax, %k1 # encoding: [0xc5,0xf8,0x92,0xc8]
+; X86-NEXT:    vmovdqa32 %ymm1, %ymm0 {%k1} # encoding: [0x62,0xf1,0x7d,0x29,0x6f,0xc1]
+; X86-NEXT:    vmovdqa32 %ymm1, %ymm2 {%k1} {z} # encoding: [0x62,0xf1,0x7d,0xa9,0x6f,0xd1]
 ; X86-NEXT:    vpaddd %ymm2, %ymm0, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xfd,0xfe,0xc2]
 ; X86-NEXT:    vpaddd %ymm0, %ymm1, %ymm0 # EVEX TO VEX Compression encoding: [0xc5,0xf5,0xfe,0xc0]
 ; X86-NEXT:    retl # encoding: [0xc3]
diff --git a/llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll b/llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll
index 07e5f7a029c..af1abe71e2f 100644
--- a/llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll
+++ b/llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll
@@ -496,12 +496,12 @@ define <32 x i8> @ext_i32_32i8(i32 %a0) {
 ; AVX512F-NEXT:    kmovw %edi, %k1
 ; AVX512F-NEXT:    shrl $16, %edi
 ; AVX512F-NEXT:    kmovw %edi, %k2
-; AVX512F-NEXT:    movl {{.*}}(%rip), %eax
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm0 {%k1} {z}
-; AVX512F-NEXT:    vpmovdb %zmm0, %xmm0
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm1 {%k2} {z}
+; AVX512F-NEXT:    vpbroadcastd {{.*#+}} zmm0 = [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm1 {%k1} {z}
 ; AVX512F-NEXT:    vpmovdb %zmm1, %xmm1
-; AVX512F-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm0 {%k2} {z}
+; AVX512F-NEXT:    vpmovdb %zmm0, %xmm0
+; AVX512F-NEXT:    vinserti128 $1, %xmm0, %ymm1, %ymm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: ext_i32_32i8:
@@ -898,18 +898,18 @@ define <64 x i8> @ext_i64_64i8(i64 %a0) {
 ; AVX512F-NEXT:    kmovw %ecx, %k2
 ; AVX512F-NEXT:    kmovw %eax, %k3
 ; AVX512F-NEXT:    kmovw %edi, %k4
-; AVX512F-NEXT:    movl {{.*}}(%rip), %eax
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm0 {%k4} {z}
-; AVX512F-NEXT:    vpmovdb %zmm0, %xmm0
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm1 {%k3} {z}
-; AVX512F-NEXT:    vpmovdb %zmm1, %xmm1
-; AVX512F-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm1 {%k1} {z}
+; AVX512F-NEXT:    vpbroadcastd {{.*#+}} zmm0 = [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1]
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm1 {%k4} {z}
 ; AVX512F-NEXT:    vpmovdb %zmm1, %xmm1
-; AVX512F-NEXT:    vpbroadcastd %eax, %zmm2 {%k2} {z}
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm2 {%k3} {z}
 ; AVX512F-NEXT:    vpmovdb %zmm2, %xmm2
 ; AVX512F-NEXT:    vinserti128 $1, %xmm2, %ymm1, %ymm1
-; AVX512F-NEXT:    vinserti64x4 $1, %ymm0, %zmm1, %zmm0
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm2 {%k1} {z}
+; AVX512F-NEXT:    vpmovdb %zmm2, %xmm2
+; AVX512F-NEXT:    vmovdqa32 %zmm0, %zmm0 {%k2} {z}
+; AVX512F-NEXT:    vpmovdb %zmm0, %xmm0
+; AVX512F-NEXT:    vinserti128 $1, %xmm0, %ymm2, %ymm0
+; AVX512F-NEXT:    vinserti64x4 $1, %ymm1, %zmm0, %zmm0
 ; AVX512F-NEXT:    retq
 ;
 ; AVX512VLBW-LABEL: ext_i64_64i8: