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      1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
      2 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=skylake | FileCheck %s --check-prefixes=X86,X86-SKYLAKE
      3 ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=skx | FileCheck %s --check-prefixes=X86,X86-SKX
      4 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skylake | FileCheck %s --check-prefixes=X64,X64-SKYLAKE
      5 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefixes=X64,X64-SKX
      6 
      7 define void @fetch_r16g16_snorm_unorm8(<4 x i8>*, i8*, i32, i32, { [2048 x i32], [128 x i64] }*) nounwind {
      8 ; X86-SKYLAKE-LABEL: fetch_r16g16_snorm_unorm8:
      9 ; X86-SKYLAKE:       # %bb.0: # %entry
     10 ; X86-SKYLAKE-NEXT:    subl $12, %esp
     11 ; X86-SKYLAKE-NEXT:    movl {{[0-9]+}}(%esp), %eax
     12 ; X86-SKYLAKE-NEXT:    movl {{[0-9]+}}(%esp), %ecx
     13 ; X86-SKYLAKE-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
     14 ; X86-SKYLAKE-NEXT:    vpxor %xmm1, %xmm1, %xmm1
     15 ; X86-SKYLAKE-NEXT:    vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
     16 ; X86-SKYLAKE-NEXT:    vpsrad $16, %xmm0, %xmm0
     17 ; X86-SKYLAKE-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
     18 ; X86-SKYLAKE-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
     19 ; X86-SKYLAKE-NEXT:    vpsrld $7, %xmm0, %xmm0
     20 ; X86-SKYLAKE-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4],zero,zero,xmm0[u,u,u,u,u,u,u,u,u,u,u,u]
     21 ; X86-SKYLAKE-NEXT:    vmovd %xmm0, %ecx
     22 ; X86-SKYLAKE-NEXT:    orl $-16777216, %ecx # imm = 0xFF000000
     23 ; X86-SKYLAKE-NEXT:    movl %ecx, (%eax)
     24 ; X86-SKYLAKE-NEXT:    addl $12, %esp
     25 ; X86-SKYLAKE-NEXT:    retl
     26 ;
     27 ; X86-SKX-LABEL: fetch_r16g16_snorm_unorm8:
     28 ; X86-SKX:       # %bb.0: # %entry
     29 ; X86-SKX-NEXT:    subl $12, %esp
     30 ; X86-SKX-NEXT:    movl {{[0-9]+}}(%esp), %eax
     31 ; X86-SKX-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
     32 ; X86-SKX-NEXT:    vpshufb {{.*#+}} xmm0 = zero,zero,xmm0[0,1],zero,zero,xmm0[2,3],zero,zero,xmm0[u,u],zero,zero,xmm0[u,u]
     33 ; X86-SKX-NEXT:    vpsrad $16, %xmm0, %xmm0
     34 ; X86-SKX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
     35 ; X86-SKX-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
     36 ; X86-SKX-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
     37 ; X86-SKX-NEXT:    vpsrld $7, %xmm0, %xmm0
     38 ; X86-SKX-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero
     39 ; X86-SKX-NEXT:    vpmovqw %xmm1, {{[0-9]+}}(%esp)
     40 ; X86-SKX-NEXT:    vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
     41 ; X86-SKX-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
     42 ; X86-SKX-NEXT:    vpmovqw %xmm0, {{[0-9]+}}(%esp)
     43 ; X86-SKX-NEXT:    vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
     44 ; X86-SKX-NEXT:    vshufps {{.*#+}} xmm0 = xmm1[0,2],xmm0[0,2]
     45 ; X86-SKX-NEXT:    vpmovdb %xmm0, (%esp)
     46 ; X86-SKX-NEXT:    movl {{[0-9]+}}(%esp), %eax
     47 ; X86-SKX-NEXT:    movzwl (%esp), %ecx
     48 ; X86-SKX-NEXT:    orl $-16777216, %ecx # imm = 0xFF000000
     49 ; X86-SKX-NEXT:    movl %ecx, (%eax)
     50 ; X86-SKX-NEXT:    addl $12, %esp
     51 ; X86-SKX-NEXT:    retl
     52 ;
     53 ; X64-SKYLAKE-LABEL: fetch_r16g16_snorm_unorm8:
     54 ; X64-SKYLAKE:       # %bb.0: # %entry
     55 ; X64-SKYLAKE-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
     56 ; X64-SKYLAKE-NEXT:    vpxor %xmm1, %xmm1, %xmm1
     57 ; X64-SKYLAKE-NEXT:    vpunpcklwd {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
     58 ; X64-SKYLAKE-NEXT:    vpsrad $16, %xmm0, %xmm0
     59 ; X64-SKYLAKE-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
     60 ; X64-SKYLAKE-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
     61 ; X64-SKYLAKE-NEXT:    vpsrld $7, %xmm0, %xmm0
     62 ; X64-SKYLAKE-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4],zero,zero,xmm0[u,u,u,u,u,u,u,u,u,u,u,u]
     63 ; X64-SKYLAKE-NEXT:    vmovd %xmm0, %eax
     64 ; X64-SKYLAKE-NEXT:    orl $-16777216, %eax # imm = 0xFF000000
     65 ; X64-SKYLAKE-NEXT:    movl %eax, (%rdi)
     66 ; X64-SKYLAKE-NEXT:    retq
     67 ;
     68 ; X64-SKX-LABEL: fetch_r16g16_snorm_unorm8:
     69 ; X64-SKX:       # %bb.0: # %entry
     70 ; X64-SKX-NEXT:    vmovd {{.*#+}} xmm0 = mem[0],zero,zero,zero
     71 ; X64-SKX-NEXT:    vpshufb {{.*#+}} xmm0 = zero,zero,xmm0[0,1],zero,zero,xmm0[2,3],zero,zero,xmm0[u,u],zero,zero,xmm0[u,u]
     72 ; X64-SKX-NEXT:    vpsrad $16, %xmm0, %xmm0
     73 ; X64-SKX-NEXT:    vpxor %xmm1, %xmm1, %xmm1
     74 ; X64-SKX-NEXT:    vpmaxsd %xmm1, %xmm0, %xmm0
     75 ; X64-SKX-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3],xmm0[4],xmm1[5],xmm0[6],xmm1[7]
     76 ; X64-SKX-NEXT:    vpsrld $7, %xmm0, %xmm0
     77 ; X64-SKX-NEXT:    vpmovzxwd {{.*#+}} xmm1 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
     78 ; X64-SKX-NEXT:    vpmovqw %xmm1, -{{[0-9]+}}(%rsp)
     79 ; X64-SKX-NEXT:    vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
     80 ; X64-SKX-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
     81 ; X64-SKX-NEXT:    vpmovqw %xmm0, -{{[0-9]+}}(%rsp)
     82 ; X64-SKX-NEXT:    vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
     83 ; X64-SKX-NEXT:    vshufps {{.*#+}} xmm0 = xmm1[0,2],xmm0[0,2]
     84 ; X64-SKX-NEXT:    vpmovdb %xmm0, -{{[0-9]+}}(%rsp)
     85 ; X64-SKX-NEXT:    movzwl -{{[0-9]+}}(%rsp), %eax
     86 ; X64-SKX-NEXT:    orl $-16777216, %eax # imm = 0xFF000000
     87 ; X64-SKX-NEXT:    movl %eax, (%rdi)
     88 ; X64-SKX-NEXT:    retq
     89 entry:
     90   %5 = bitcast i8* %1 to <2 x i16>*
     91   %6 = load <2 x i16>, <2 x i16>* %5, align 2
     92   %7 = shufflevector <2 x i16> %6, <2 x i16> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
     93   %8 = icmp sgt <4 x i16> %7, zeroinitializer
     94   %9 = select <4 x i1> %8, <4 x i16> %7, <4 x i16> zeroinitializer
     95   %10 = lshr <4 x i16> %9, <i16 7, i16 7, i16 7, i16 7>
     96   %11 = shufflevector <4 x i16> %10, <4 x i16> undef, <2 x i32> <i32 0, i32 1>
     97   %12 = shufflevector <4 x i16> %10, <4 x i16> undef, <2 x i32> <i32 2, i32 3>
     98   %13 = bitcast <2 x i16> %11 to <4 x i8>
     99   %14 = bitcast <2 x i16> %12 to <4 x i8>
    100   %15 = shufflevector <4 x i8> %13, <4 x i8> %14, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
    101   %16 = bitcast <4 x i8> %15 to i32
    102   %17 = and i32 %16, 65535
    103   %18 = or i32 %17, -16777216
    104   %19 = bitcast <4 x i8>* %0 to i32*
    105   store i32 %18, i32* %19, align 4
    106   ret void
    107 }
    108