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      1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
      2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck -check-prefix=CHECK-SSE %s
      3 
      4 ; CHECK-NOT: vunpck
      5 ; CHECK: vinsertf128 $1
      6 define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp {
      7 entry:
      8   %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 8, i32 8, i32 8, i32 8, i32 0, i32 1, i32 2, i32 3>
      9   ret <8 x float> %shuffle
     10 }
     11 
     12 ; CHECK-NOT: vunpck
     13 ; CHECK: vinsertf128 $1
     14 define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp {
     15 entry:
     16   %shuffle = shufflevector <4 x double> %a, <4 x double> undef, <4 x i32> <i32 4, i32 4, i32 0, i32 1>
     17   ret <4 x double> %shuffle
     18 }
     19 
     20 declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>) nounwind readnone
     21 
     22 declare <2 x double> @llvm.x86.sse2.min.sd(<2 x double>, <2 x double>) nounwind readnone
     23 
     24 ; Just check that no crash happens
     25 ; CHECK-SSE: _insert_crash
     26 define void @insert_crash() nounwind {
     27 allocas:
     28   %v1.i.i451 = shufflevector <4 x double> zeroinitializer, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
     29   %ret_0a.i.i.i452 = shufflevector <4 x double> %v1.i.i451, <4 x double> undef, <2 x i32> <i32 0, i32 1>
     30   %vret_0.i.i.i454 = tail call <2 x double> @llvm.x86.sse2.min.pd(<2 x double> %ret_0a.i.i.i452, <2 x double> undef) nounwind
     31   %ret_val.i.i.i463 = tail call <2 x double> @llvm.x86.sse2.min.sd(<2 x double> %vret_0.i.i.i454, <2 x double> undef) nounwind
     32   %ret.i1.i.i464 = extractelement <2 x double> %ret_val.i.i.i463, i32 0
     33   %double2float = fptrunc double %ret.i1.i.i464 to float
     34   %smearinsert50 = insertelement <4 x float> undef, float %double2float, i32 3
     35   %blendAsInt.i503 = bitcast <4 x float> %smearinsert50 to <4 x i32>
     36   store <4 x i32> %blendAsInt.i503, <4 x i32>* undef, align 4
     37   ret void
     38 }
     39 
     40 ;; DAG Combine must remove useless vinsertf128 instructions
     41 
     42 ; CHECK: DAGCombineA
     43 ; CHECK-NOT: vinsertf128 $1
     44 define <4 x i32> @DAGCombineA(<4 x i32> %v1) nounwind readonly {
     45   %1 = shufflevector <4 x i32> %v1, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
     46   %2 = shufflevector <8 x i32> %1, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
     47   ret <4 x i32> %2
     48 }
     49 
     50 ; CHECK: DAGCombineB
     51 ; CHECK: vpaddd %xmm
     52 ; CHECK-NOT: vinsertf128  $1
     53 ; CHECK: vpaddd %xmm
     54 define <8 x i32> @DAGCombineB(<8 x i32> %v1, <8 x i32> %v2) nounwind readonly {
     55   %1 = add <8 x i32> %v1, %v2
     56   %2 = add <8 x i32> %1, %v1
     57   ret <8 x i32> %2
     58 }
     59 
     60 ; CHECK: insert_pd
     61 define <4 x double> @insert_pd(<4 x double> %a0, <2 x double> %a1) {
     62 ; CHECK: vinsertf128
     63 %res = call <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double> %a0, <2 x double> %a1, i8 0)
     64 ret <4 x double> %res
     65 }
     66 
     67 ; CHECK: insert_undef_pd
     68 define <4 x double> @insert_undef_pd(<4 x double> %a0, <2 x double> %a1) {
     69 ; CHECK: vmovaps	%ymm1, %ymm0
     70 %res = call <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double> undef, <2 x double> %a1, i8 0)
     71 ret <4 x double> %res
     72 }
     73 declare <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double>, <2 x double>, i8) nounwind readnone
     74 
     75 
     76 ; CHECK: insert_ps
     77 define <8 x float> @insert_ps(<8 x float> %a0, <4 x float> %a1) {
     78 ; CHECK: vinsertf128
     79 %res = call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> %a0, <4 x float> %a1, i8 0)
     80 ret <8 x float> %res
     81 }
     82 
     83 ; CHECK: insert_undef_ps
     84 define <8 x float> @insert_undef_ps(<8 x float> %a0, <4 x float> %a1) {
     85 ; CHECK: vmovaps	%ymm1, %ymm0
     86 %res = call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %a1, i8 0)
     87 ret <8 x float> %res
     88 }
     89 declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8) nounwind readnone
     90 
     91 
     92 ; CHECK: insert_si
     93 define <8 x i32> @insert_si(<8 x i32> %a0, <4 x i32> %a1) {
     94 ; CHECK: vinsertf128
     95 %res = call <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32> %a0, <4 x i32> %a1, i8 0)
     96 ret <8 x i32> %res
     97 }
     98 
     99 ; CHECK: insert_undef_si
    100 define <8 x i32> @insert_undef_si(<8 x i32> %a0, <4 x i32> %a1) {
    101 ; CHECK: vmovaps	%ymm1, %ymm0
    102 %res = call <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32> undef, <4 x i32> %a1, i8 0)
    103 ret <8 x i32> %res
    104 }
    105 declare <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32>, <4 x i32>, i8) nounwind readnone
    106 
    107 ; rdar://10643481
    108 ; CHECK: vinsertf128_combine
    109 define <8 x float> @vinsertf128_combine(float* nocapture %f) nounwind uwtable readonly ssp {
    110 ; CHECK-NOT: vmovaps
    111 ; CHECK: vinsertf128
    112 entry:
    113   %add.ptr = getelementptr inbounds float* %f, i64 4
    114   %0 = bitcast float* %add.ptr to <4 x float>*
    115   %1 = load <4 x float>* %0, align 16
    116   %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1)
    117   ret <8 x float> %2
    118 }
    119 
    120 ; rdar://11076953
    121 ; CHECK: vinsertf128_ucombine
    122 define <8 x float> @vinsertf128_ucombine(float* nocapture %f) nounwind uwtable readonly ssp {
    123 ; CHECK-NOT: vmovups
    124 ; CHECK: vinsertf128
    125 entry:
    126   %add.ptr = getelementptr inbounds float* %f, i64 4
    127   %0 = bitcast float* %add.ptr to <4 x float>*
    128   %1 = load <4 x float>* %0, align 8
    129   %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1)
    130   ret <8 x float> %2
    131 }
    132