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