[llvm] r361814 - [X86] Custom lower CONCAT_VECTORS of v2i1

Benjamin Kramer via llvm-commits llvm-commits at lists.llvm.org
Tue May 28 05:52:57 PDT 2019


Author: d0k
Date: Tue May 28 05:52:57 2019
New Revision: 361814

URL: http://llvm.org/viewvc/llvm-project?rev=361814&view=rev
Log:
[X86] Custom lower CONCAT_VECTORS of v2i1

The generic legalizer cannot handle this. Add an assert instead of
silently miscompiling vectors with elements smaller than 8 bits.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
    llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll
    llvm/trunk/test/CodeGen/X86/vec_saddo.ll
    llvm/trunk/test/CodeGen/X86/vec_smulo.ll
    llvm/trunk/test/CodeGen/X86/vec_ssubo.ll
    llvm/trunk/test/CodeGen/X86/vec_uaddo.ll
    llvm/trunk/test/CodeGen/X86/vec_umulo.ll
    llvm/trunk/test/CodeGen/X86/vec_usubo.ll

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Tue May 28 05:52:57 2019
@@ -1415,6 +1415,7 @@ SDValue SelectionDAGLegalize::ExpandVect
   // Emit a store of each element to the stack slot.
   SmallVector<SDValue, 8> Stores;
   unsigned TypeByteSize = EltVT.getSizeInBits() / 8;
+  assert(TypeByteSize > 0 && "Vector element type too small for stack store!");
   // Store (in the right endianness) the elements to memory.
   for (unsigned i = 0, e = Node->getNumOperands(); i != e; ++i) {
     // Ignore undef elements.

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue May 28 05:52:57 2019
@@ -1357,19 +1357,14 @@ X86TargetLowering::X86TargetLowering(con
       setOperationAction(ISD::SSUBSAT,          VT, Custom);
 
       setOperationAction(ISD::BUILD_VECTOR,     VT, Custom);
+      setOperationAction(ISD::CONCAT_VECTORS,   VT, Custom);
       setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT, Custom);
+      setOperationAction(ISD::INSERT_SUBVECTOR, VT, Custom);
       setOperationAction(ISD::INSERT_VECTOR_ELT, VT, Custom);
       setOperationAction(ISD::VECTOR_SHUFFLE,   VT,  Custom);
       setOperationAction(ISD::VSELECT,          VT,  Expand);
     }
 
-    setOperationAction(ISD::CONCAT_VECTORS,     MVT::v16i1, Custom);
-    setOperationAction(ISD::CONCAT_VECTORS,     MVT::v8i1,  Custom);
-    setOperationAction(ISD::CONCAT_VECTORS,     MVT::v4i1,  Custom);
-    setOperationAction(ISD::INSERT_SUBVECTOR,   MVT::v2i1,  Custom);
-    setOperationAction(ISD::INSERT_SUBVECTOR,   MVT::v4i1,  Custom);
-    setOperationAction(ISD::INSERT_SUBVECTOR,   MVT::v8i1,  Custom);
-    setOperationAction(ISD::INSERT_SUBVECTOR,   MVT::v16i1, Custom);
     for (auto VT : { MVT::v1i1, MVT::v2i1, MVT::v4i1, MVT::v8i1 })
       setOperationAction(ISD::EXTRACT_SUBVECTOR, VT, Custom);
   }

Modified: llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-insert-extract.ll Tue May 28 05:52:57 2019
@@ -2252,3 +2252,107 @@ define i128 @test_insertelement_variable
   %t4 = bitcast <128 x i1> %t3 to i128
   ret i128 %t4
 }
+
+define void @test_concat_v2i1(<2 x half>* %arg, <2 x half>* %arg1, <2 x half>* %arg2) {
+; KNL-LABEL: test_concat_v2i1:
+; KNL:       ## %bb.0:
+; KNL-NEXT:    movswl (%rdi), %eax
+; KNL-NEXT:    vmovd %eax, %xmm0
+; KNL-NEXT:    vcvtph2ps %xmm0, %xmm0
+; KNL-NEXT:    movswl 2(%rdi), %eax
+; KNL-NEXT:    vmovd %eax, %xmm1
+; KNL-NEXT:    vcvtph2ps %xmm1, %xmm1
+; KNL-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; KNL-NEXT:    vucomiss %xmm2, %xmm1
+; KNL-NEXT:    setb %al
+; KNL-NEXT:    kmovw %eax, %k0
+; KNL-NEXT:    kshiftlw $1, %k0, %k0
+; KNL-NEXT:    vucomiss %xmm2, %xmm0
+; KNL-NEXT:    setb %al
+; KNL-NEXT:    andl $1, %eax
+; KNL-NEXT:    kmovw %eax, %k1
+; KNL-NEXT:    korw %k0, %k1, %k0
+; KNL-NEXT:    vxorps %xmm2, %xmm2, %xmm2
+; KNL-NEXT:    vucomiss %xmm2, %xmm1
+; KNL-NEXT:    seta %al
+; KNL-NEXT:    kmovw %eax, %k1
+; KNL-NEXT:    kshiftlw $1, %k1, %k1
+; KNL-NEXT:    vucomiss %xmm2, %xmm0
+; KNL-NEXT:    seta %al
+; KNL-NEXT:    andl $1, %eax
+; KNL-NEXT:    kmovw %eax, %k2
+; KNL-NEXT:    korw %k1, %k2, %k1
+; KNL-NEXT:    kandw %k1, %k0, %k1
+; KNL-NEXT:    kshiftrw $1, %k1, %k2
+; KNL-NEXT:    movswl (%rsi), %eax
+; KNL-NEXT:    vmovd %eax, %xmm0
+; KNL-NEXT:    vcvtph2ps %xmm0, %xmm0
+; KNL-NEXT:    movswl 2(%rsi), %eax
+; KNL-NEXT:    vmovd %eax, %xmm1
+; KNL-NEXT:    vcvtph2ps %xmm1, %xmm1
+; KNL-NEXT:    vmovss %xmm1, %xmm0, %xmm1 {%k2} {z}
+; KNL-NEXT:    vmovss %xmm0, %xmm0, %xmm0 {%k1} {z}
+; KNL-NEXT:    vcvtps2ph $4, %xmm0, %xmm0
+; KNL-NEXT:    vmovd %xmm0, %eax
+; KNL-NEXT:    movw %ax, (%rdx)
+; KNL-NEXT:    vcvtps2ph $4, %xmm1, %xmm0
+; KNL-NEXT:    vmovd %xmm0, %eax
+; KNL-NEXT:    movw %ax, 2(%rdx)
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: test_concat_v2i1:
+; SKX:       ## %bb.0:
+; SKX-NEXT:    movswl (%rdi), %eax
+; SKX-NEXT:    vmovd %eax, %xmm0
+; SKX-NEXT:    vcvtph2ps %xmm0, %xmm0
+; SKX-NEXT:    movswl 2(%rdi), %eax
+; SKX-NEXT:    vmovd %eax, %xmm1
+; SKX-NEXT:    vcvtph2ps %xmm1, %xmm1
+; SKX-NEXT:    vmovss {{.*#+}} xmm2 = mem[0],zero,zero,zero
+; SKX-NEXT:    vucomiss %xmm2, %xmm1
+; SKX-NEXT:    setb %al
+; SKX-NEXT:    kmovd %eax, %k0
+; SKX-NEXT:    kshiftlb $1, %k0, %k0
+; SKX-NEXT:    vucomiss %xmm2, %xmm0
+; SKX-NEXT:    setb %al
+; SKX-NEXT:    kmovd %eax, %k1
+; SKX-NEXT:    kshiftlb $7, %k1, %k1
+; SKX-NEXT:    kshiftrb $7, %k1, %k1
+; SKX-NEXT:    korw %k0, %k1, %k0
+; SKX-NEXT:    vxorps %xmm2, %xmm2, %xmm2
+; SKX-NEXT:    vucomiss %xmm2, %xmm1
+; SKX-NEXT:    seta %al
+; SKX-NEXT:    kmovd %eax, %k1
+; SKX-NEXT:    kshiftlb $1, %k1, %k1
+; SKX-NEXT:    vucomiss %xmm2, %xmm0
+; SKX-NEXT:    seta %al
+; SKX-NEXT:    kmovd %eax, %k2
+; SKX-NEXT:    kshiftlb $7, %k2, %k2
+; SKX-NEXT:    kshiftrb $7, %k2, %k2
+; SKX-NEXT:    korw %k1, %k2, %k1
+; SKX-NEXT:    kandw %k1, %k0, %k1
+; SKX-NEXT:    kshiftrb $1, %k1, %k2
+; SKX-NEXT:    movswl (%rsi), %eax
+; SKX-NEXT:    vmovd %eax, %xmm0
+; SKX-NEXT:    vcvtph2ps %xmm0, %xmm0
+; SKX-NEXT:    movswl 2(%rsi), %eax
+; SKX-NEXT:    vmovd %eax, %xmm1
+; SKX-NEXT:    vcvtph2ps %xmm1, %xmm1
+; SKX-NEXT:    vmovss %xmm1, %xmm0, %xmm1 {%k2} {z}
+; SKX-NEXT:    vmovss %xmm0, %xmm0, %xmm0 {%k1} {z}
+; SKX-NEXT:    vcvtps2ph $4, %xmm0, %xmm0
+; SKX-NEXT:    vmovd %xmm0, %eax
+; SKX-NEXT:    movw %ax, (%rdx)
+; SKX-NEXT:    vcvtps2ph $4, %xmm1, %xmm0
+; SKX-NEXT:    vmovd %xmm0, %eax
+; SKX-NEXT:    movw %ax, 2(%rdx)
+; SKX-NEXT:    retq
+  %tmp = load <2 x half>, <2 x half>* %arg, align 8
+  %tmp3 = fcmp fast olt <2 x half> %tmp, <half 0xH4600, half 0xH4600>
+  %tmp4 = fcmp fast ogt <2 x half> %tmp, zeroinitializer
+  %tmp5 = and <2 x i1> %tmp3, %tmp4
+  %tmp6 = load <2 x half>, <2 x half>* %arg1, align 8
+  %tmp7 = select <2 x i1> %tmp5, <2 x half> %tmp6, <2 x half> zeroinitializer
+  store <2 x half> %tmp7, <2 x half>* %arg2, align 8
+  ret void
+}

Modified: llvm/trunk/test/CodeGen/X86/vec_saddo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_saddo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_saddo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_saddo.ll Tue May 28 05:52:57 2019
@@ -1871,7 +1871,8 @@ define <2 x i32> @saddo_v2i128(<2 x i128
 ; AVX512-NEXT:    cmpb %al, %cl
 ; AVX512-NEXT:    sete %al
 ; AVX512-NEXT:    andb %bl, %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
+; AVX512-NEXT:    kmovd %eax, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
 ; AVX512-NEXT:    testq %r9, %r9
 ; AVX512-NEXT:    setns %al
 ; AVX512-NEXT:    testq %rsi, %rsi
@@ -1884,8 +1885,9 @@ define <2 x i32> @saddo_v2i128(<2 x i128
 ; AVX512-NEXT:    cmpb %bl, %cl
 ; AVX512-NEXT:    setne %cl
 ; AVX512-NEXT:    andb %al, %cl
-; AVX512-NEXT:    movb %cl, -{{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw -{{[0-9]+}}(%rsp), %k1
+; AVX512-NEXT:    andl $1, %ecx
+; AVX512-NEXT:    kmovw %ecx, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
 ; AVX512-NEXT:    movq %rdx, 16(%r10)
 ; AVX512-NEXT:    movq %rdi, (%r10)
 ; AVX512-NEXT:    movq %r14, 24(%r10)

Modified: llvm/trunk/test/CodeGen/X86/vec_smulo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_smulo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_smulo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_smulo.ll Tue May 28 05:52:57 2019
@@ -2706,44 +2706,42 @@ define <2 x i32> @smulo_v2i128(<2 x i128
 ; AVX512-NEXT:    pushq %r13
 ; AVX512-NEXT:    pushq %r12
 ; AVX512-NEXT:    pushq %rbx
-; AVX512-NEXT:    subq $40, %rsp
-; AVX512-NEXT:    movq %r9, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
-; AVX512-NEXT:    movq %r8, %r15
-; AVX512-NEXT:    movq %rdx, %rax
-; AVX512-NEXT:    movq %rsi, %r12
-; AVX512-NEXT:    movq %rdi, %rbx
-; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %r14
-; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %rdx
-; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %r9
+; AVX512-NEXT:    subq $24, %rsp
+; AVX512-NEXT:    movq %r8, %rax
+; AVX512-NEXT:    movq %rcx, %r14
+; AVX512-NEXT:    movq %rdx, %rbx
+; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %r15
+; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %r12
 ; AVX512-NEXT:    movq $0, {{[0-9]+}}(%rsp)
 ; AVX512-NEXT:    leaq {{[0-9]+}}(%rsp), %r8
-; AVX512-NEXT:    movq %rax, %rdi
-; AVX512-NEXT:    movq %rcx, %rsi
+; AVX512-NEXT:    movq %rax, %rdx
 ; AVX512-NEXT:    movq %r9, %rcx
 ; AVX512-NEXT:    callq __muloti4
 ; AVX512-NEXT:    movq %rax, %r13
 ; AVX512-NEXT:    movq %rdx, %rbp
-; AVX512-NEXT:    cmpq $0, {{[0-9]+}}(%rsp)
-; AVX512-NEXT:    setne %al
-; AVX512-NEXT:    movb %al, {{[0-9]+}}(%rsp)
 ; AVX512-NEXT:    movq $0, {{[0-9]+}}(%rsp)
 ; AVX512-NEXT:    leaq {{[0-9]+}}(%rsp), %r8
 ; AVX512-NEXT:    movq %rbx, %rdi
-; AVX512-NEXT:    movq %r12, %rsi
-; AVX512-NEXT:    movq %r15, %rdx
-; AVX512-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rcx # 8-byte Reload
+; AVX512-NEXT:    movq %r14, %rsi
+; AVX512-NEXT:    movq {{[0-9]+}}(%rsp), %rdx
+; AVX512-NEXT:    movq %r12, %rcx
 ; AVX512-NEXT:    callq __muloti4
 ; AVX512-NEXT:    cmpq $0, {{[0-9]+}}(%rsp)
 ; AVX512-NEXT:    setne %cl
-; AVX512-NEXT:    movb %cl, {{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw {{[0-9]+}}(%rsp), %k1
-; AVX512-NEXT:    movq %rbp, 24(%r14)
-; AVX512-NEXT:    movq %r13, 16(%r14)
-; AVX512-NEXT:    movq %rdx, 8(%r14)
-; AVX512-NEXT:    movq %rax, (%r14)
+; AVX512-NEXT:    kmovd %ecx, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
+; AVX512-NEXT:    cmpq $0, {{[0-9]+}}(%rsp)
+; AVX512-NEXT:    setne %cl
+; AVX512-NEXT:    andl $1, %ecx
+; AVX512-NEXT:    kmovw %ecx, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
+; AVX512-NEXT:    movq %rdx, 24(%r15)
+; AVX512-NEXT:    movq %rax, 16(%r15)
+; AVX512-NEXT:    movq %rbp, 8(%r15)
+; AVX512-NEXT:    movq %r13, (%r15)
 ; AVX512-NEXT:    vpcmpeqd %xmm0, %xmm0, %xmm0
 ; AVX512-NEXT:    vmovdqa64 %xmm0, %xmm0 {%k1} {z}
-; AVX512-NEXT:    addq $40, %rsp
+; AVX512-NEXT:    addq $24, %rsp
 ; AVX512-NEXT:    popq %rbx
 ; AVX512-NEXT:    popq %r12
 ; AVX512-NEXT:    popq %r13

Modified: llvm/trunk/test/CodeGen/X86/vec_ssubo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_ssubo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_ssubo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_ssubo.ll Tue May 28 05:52:57 2019
@@ -1910,7 +1910,8 @@ define <2 x i32> @ssubo_v2i128(<2 x i128
 ; AVX512-NEXT:    cmpb %al, %cl
 ; AVX512-NEXT:    setne %al
 ; AVX512-NEXT:    andb %bl, %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
+; AVX512-NEXT:    kmovd %eax, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
 ; AVX512-NEXT:    testq %r9, %r9
 ; AVX512-NEXT:    setns %al
 ; AVX512-NEXT:    testq %rsi, %rsi
@@ -1923,8 +1924,9 @@ define <2 x i32> @ssubo_v2i128(<2 x i128
 ; AVX512-NEXT:    cmpb %bl, %cl
 ; AVX512-NEXT:    setne %cl
 ; AVX512-NEXT:    andb %al, %cl
-; AVX512-NEXT:    movb %cl, -{{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw -{{[0-9]+}}(%rsp), %k1
+; AVX512-NEXT:    andl $1, %ecx
+; AVX512-NEXT:    kmovw %ecx, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
 ; AVX512-NEXT:    movq %rdx, 16(%r10)
 ; AVX512-NEXT:    movq %rdi, (%r10)
 ; AVX512-NEXT:    movq %r14, 24(%r10)

Modified: llvm/trunk/test/CodeGen/X86/vec_uaddo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_uaddo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_uaddo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_uaddo.ll Tue May 28 05:52:57 2019
@@ -1336,12 +1336,14 @@ define <2 x i32> @uaddo_v2i128(<2 x i128
 ; AVX512-NEXT:    addq {{[0-9]+}}(%rsp), %rdx
 ; AVX512-NEXT:    adcq {{[0-9]+}}(%rsp), %rcx
 ; AVX512-NEXT:    setb %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
+; AVX512-NEXT:    kmovd %eax, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
 ; AVX512-NEXT:    addq %r8, %rdi
 ; AVX512-NEXT:    adcq %r9, %rsi
 ; AVX512-NEXT:    setb %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw -{{[0-9]+}}(%rsp), %k1
+; AVX512-NEXT:    andl $1, %eax
+; AVX512-NEXT:    kmovw %eax, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
 ; AVX512-NEXT:    movq %rdx, 16(%r10)
 ; AVX512-NEXT:    movq %rdi, (%r10)
 ; AVX512-NEXT:    movq %rcx, 24(%r10)

Modified: llvm/trunk/test/CodeGen/X86/vec_umulo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_umulo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_umulo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_umulo.ll Tue May 28 05:52:57 2019
@@ -2575,7 +2575,8 @@ define <2 x i32> @umulo_v2i128(<2 x i128
 ; AVX512-NEXT:    setb %al
 ; AVX512-NEXT:    orb %cl, %al
 ; AVX512-NEXT:    orb %r13b, %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
+; AVX512-NEXT:    kmovd %eax, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
 ; AVX512-NEXT:    testq %r9, %r9
 ; AVX512-NEXT:    setne %al
 ; AVX512-NEXT:    testq %rsi, %rsi
@@ -2597,8 +2598,9 @@ define <2 x i32> @umulo_v2i128(<2 x i128
 ; AVX512-NEXT:    setb %sil
 ; AVX512-NEXT:    orb %bl, %sil
 ; AVX512-NEXT:    orb %cl, %sil
-; AVX512-NEXT:    movb %sil, -{{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw -{{[0-9]+}}(%rsp), %k1
+; AVX512-NEXT:    andl $1, %esi
+; AVX512-NEXT:    kmovw %esi, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
 ; AVX512-NEXT:    movq %r10, 16(%r14)
 ; AVX512-NEXT:    movq %rax, (%r14)
 ; AVX512-NEXT:    movq %r15, 24(%r14)

Modified: llvm/trunk/test/CodeGen/X86/vec_usubo.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_usubo.ll?rev=361814&r1=361813&r2=361814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_usubo.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_usubo.ll Tue May 28 05:52:57 2019
@@ -1378,12 +1378,14 @@ define <2 x i32> @usubo_v2i128(<2 x i128
 ; AVX512-NEXT:    subq {{[0-9]+}}(%rsp), %rdx
 ; AVX512-NEXT:    sbbq {{[0-9]+}}(%rsp), %rcx
 ; AVX512-NEXT:    setb %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
+; AVX512-NEXT:    kmovd %eax, %k0
+; AVX512-NEXT:    kshiftlw $1, %k0, %k0
 ; AVX512-NEXT:    subq %r8, %rdi
 ; AVX512-NEXT:    sbbq %r9, %rsi
 ; AVX512-NEXT:    setb %al
-; AVX512-NEXT:    movb %al, -{{[0-9]+}}(%rsp)
-; AVX512-NEXT:    kmovw -{{[0-9]+}}(%rsp), %k1
+; AVX512-NEXT:    andl $1, %eax
+; AVX512-NEXT:    kmovw %eax, %k1
+; AVX512-NEXT:    korw %k0, %k1, %k1
 ; AVX512-NEXT:    movq %rdx, 16(%r10)
 ; AVX512-NEXT:    movq %rdi, (%r10)
 ; AVX512-NEXT:    movq %rcx, 24(%r10)




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