Home | History | Annotate | Download | only in BBVectorize 
      1 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
      2 ; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
      3 
      4 ; Basic depth-3 chain
      5 define double @test1(double %A1, double %A2, double %B1, double %B2) {
      6 ; CHECK: @test1
      7 ; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
      8 ; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
      9 ; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
     10 ; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
     11 	%X1 = fsub double %A1, %B1
     12 	%X2 = fsub double %A2, %B2
     13 ; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
     14 	%Y1 = fmul double %X1, %A1
     15 	%Y2 = fmul double %X2, %A2
     16 ; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
     17 	%Z1 = fadd double %Y1, %B1
     18 	%Z2 = fadd double %Y2, %B2
     19 ; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
     20 	%R  = fmul double %Z1, %Z2
     21 ; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
     22 ; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
     23 ; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
     24 	ret double %R
     25 ; CHECK: ret double %R
     26 }
     27 
     28 ; Basic depth-3 chain (last pair permuted)
     29 define double @test2(double %A1, double %A2, double %B1, double %B2) {
     30 ; CHECK: @test2
     31 ; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
     32 ; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
     33 ; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
     34 ; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
     35 	%X1 = fsub double %A1, %B1
     36 	%X2 = fsub double %A2, %B2
     37 ; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
     38 	%Y1 = fmul double %X1, %A1
     39 	%Y2 = fmul double %X2, %A2
     40 ; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
     41 	%Z1 = fadd double %Y2, %B1
     42 	%Z2 = fadd double %Y1, %B2
     43 ; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 0>
     44 ; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
     45 	%R  = fmul double %Z1, %Z2
     46 ; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
     47 ; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
     48 ; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
     49 	ret double %R
     50 ; CHECK: ret double %R
     51 }
     52 
     53 ; Basic depth-3 chain (last pair first splat)
     54 define double @test3(double %A1, double %A2, double %B1, double %B2) {
     55 ; CHECK: @test3
     56 ; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
     57 ; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
     58 ; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
     59 ; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
     60 	%X1 = fsub double %A1, %B1
     61 	%X2 = fsub double %A2, %B2
     62 ; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
     63 	%Y1 = fmul double %X1, %A1
     64 	%Y2 = fmul double %X2, %A2
     65 ; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
     66 	%Z1 = fadd double %Y2, %B1
     67 	%Z2 = fadd double %Y2, %B2
     68 ; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 1>
     69 ; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
     70 	%R  = fmul double %Z1, %Z2
     71 ; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
     72 ; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
     73 ; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
     74 	ret double %R
     75 ; CHECK: ret double %R
     76 }
     77 
     78 ; Basic depth-3 chain (last pair second splat)
     79 define double @test4(double %A1, double %A2, double %B1, double %B2) {
     80 ; CHECK: @test4
     81 ; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
     82 ; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
     83 ; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
     84 ; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
     85 	%X1 = fsub double %A1, %B1
     86 	%X2 = fsub double %A2, %B2
     87 ; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
     88 	%Y1 = fmul double %X1, %A1
     89 	%Y2 = fmul double %X2, %A2
     90 ; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
     91 	%Z1 = fadd double %Y1, %B1
     92 	%Z2 = fadd double %Y1, %B2
     93 ; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> zeroinitializer
     94 ; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
     95 	%R  = fmul double %Z1, %Z2
     96 ; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
     97 ; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
     98 ; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
     99 	ret double %R
    100 ; CHECK: ret double %R
    101 }
    102 
    103 ; Basic depth-3 chain
    104 define <2 x float> @test5(<2 x float> %A1, <2 x float> %A2, <2 x float> %B1, <2 x float> %B2) {
    105 ; CHECK: @test5
    106 ; CHECK: %X1.v.i1 = shufflevector <2 x float> %B1, <2 x float> %B2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
    107 ; CHECK: %X1.v.i0 = shufflevector <2 x float> %A1, <2 x float> %A2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
    108 	%X1 = fsub <2 x float> %A1, %B1
    109 	%X2 = fsub <2 x float> %A2, %B2
    110 ; CHECK: %X1 = fsub <4 x float> %X1.v.i0, %X1.v.i1
    111 	%Y1 = fmul <2 x float> %X1, %A1
    112 	%Y2 = fmul <2 x float> %X2, %A2
    113 ; CHECK: %Y1 = fmul <4 x float> %X1, %X1.v.i0
    114 	%Z1 = fadd <2 x float> %Y1, %B1
    115 	%Z2 = fadd <2 x float> %Y2, %B2
    116 ; CHECK: %Z1 = fadd <4 x float> %Y1, %X1.v.i1
    117 	%R  = fmul <2 x float> %Z1, %Z2
    118 ; CHECK: %Z1.v.r1 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 0, i32 1>
    119 ; CHECK: %Z1.v.r2 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 2, i32 3>
    120 ; CHECK: %R = fmul <2 x float> %Z1.v.r1, %Z1.v.r2
    121 	ret <2 x float> %R
    122 ; CHECK: ret <2 x float> %R
    123 }
    124 
    125 ; Basic chain with shuffles
    126 define <8 x i8> @test6(<8 x i8> %A1, <8 x i8> %A2, <8 x i8> %B1, <8 x i8> %B2) {
    127 ; CHECK: @test6
    128 ; CHECK: %X1.v.i1 = shufflevector <8 x i8> %B1, <8 x i8> %B2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
    129 ; CHECK: %X1.v.i0 = shufflevector <8 x i8> %A1, <8 x i8> %A2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
    130 	%X1 = sub <8 x i8> %A1, %B1
    131 	%X2 = sub <8 x i8> %A2, %B2
    132 ; CHECK: %X1 = sub <16 x i8> %X1.v.i0, %X1.v.i1
    133 	%Y1 = mul <8 x i8> %X1, %A1
    134 	%Y2 = mul <8 x i8> %X2, %A2
    135 ; CHECK: %Y1 = mul <16 x i8> %X1, %X1.v.i0
    136 	%Z1 = add <8 x i8> %Y1, %B1
    137 	%Z2 = add <8 x i8> %Y2, %B2
    138 ; CHECK: %Z1 = add <16 x i8> %Y1, %X1.v.i1
    139         %Q1 = shufflevector <8 x i8> %Z1, <8 x i8> %Z2, <8 x i32> <i32 15, i32 8, i32 6, i32 1, i32 13, i32 10, i32 4, i32 3>
    140         %Q2 = shufflevector <8 x i8> %Z2, <8 x i8> %Z2, <8 x i32> <i32 6, i32 7, i32 0, i32 1, i32 2, i32 4, i32 4, i32 1>
    141 ; CHECK: %Z1.v.r2 = shufflevector <16 x i8> %Z1, <16 x i8> undef, <8 x i32> <i32 8, i32 undef, i32 10, i32 undef, i32 undef, i32 13, i32 undef, i32 15>
    142 ; CHECK: %Q1.v.i1 = shufflevector <8 x i8> %Z1.v.r2, <8 x i8> undef, <16 x i32> <i32 0, i32 undef, i32 2, i32 undef, i32 undef, i32 5, i32 undef, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
    143 ; CHECK: %Q1 = shufflevector <16 x i8> %Z1, <16 x i8> %Q1.v.i1, <16 x i32> <i32 23, i32 16, i32 6, i32 1, i32 21, i32 18, i32 4, i32 3, i32 14, i32 15, i32 8, i32 9, i32 10, i32 12, i32 12, i32 9>
    144 	%R  = mul <8 x i8> %Q1, %Q2
    145 ; CHECK: %Q1.v.r1 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
    146 ; CHECK: %Q1.v.r2 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
    147 ; CHECK: %R = mul <8 x i8> %Q1.v.r1, %Q1.v.r2
    148 	ret <8 x i8> %R
    149 ; CHECK: ret <8 x i8> %R
    150 }
    151 
    152 
    153