1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx | FileCheck %s
4 define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp {
7 ; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
9 %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>
10 ret <8 x float> %shuffle
13 define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp {
16 ; CHECK-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
18 %shuffle = shufflevector <4 x double> %a, <4 x double> undef, <4 x i32> <i32 4, i32 4, i32 0, i32 1>
19 ret <4 x double> %shuffle
22 declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>) nounwind readnone
23 declare <2 x double> @llvm.x86.sse2.min.sd(<2 x double>, <2 x double>) nounwind readnone
25 define void @insert_crash() nounwind {
26 ; CHECK-LABEL: insert_crash:
27 ; CHECK: # %bb.0: # %allocas
28 ; CHECK-NEXT: vxorpd %xmm0, %xmm0, %xmm0
29 ; CHECK-NEXT: vminpd %xmm0, %xmm0, %xmm0
30 ; CHECK-NEXT: vminsd %xmm0, %xmm0, %xmm0
31 ; CHECK-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0
32 ; CHECK-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,0,0,0]
33 ; CHECK-NEXT: vmovups %xmm0, (%rax)
36 %v1.i.i451 = shufflevector <4 x double> zeroinitializer, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
37 %ret_0a.i.i.i452 = shufflevector <4 x double> %v1.i.i451, <4 x double> undef, <2 x i32> <i32 0, i32 1>
38 %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
39 %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
40 %ret.i1.i.i464 = extractelement <2 x double> %ret_val.i.i.i463, i32 0
41 %double2float = fptrunc double %ret.i1.i.i464 to float
42 %smearinsert50 = insertelement <4 x float> undef, float %double2float, i32 3
43 %blendAsInt.i503 = bitcast <4 x float> %smearinsert50 to <4 x i32>
44 store <4 x i32> %blendAsInt.i503, ptr undef, align 4
48 ;; DAG Combine must remove useless vinsertf128 instructions
50 define <4 x i32> @DAGCombineA(<4 x i32> %v1) nounwind readonly {
51 ; CHECK-LABEL: DAGCombineA:
54 %t1 = 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>
55 %t2 = shufflevector <8 x i32> %t1, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
59 define <8 x i32> @DAGCombineB(<8 x i32> %v1, <8 x i32> %v2) nounwind readonly {
60 ; CHECK-LABEL: DAGCombineB:
62 ; CHECK-NEXT: vpaddd %xmm1, %xmm0, %xmm2
63 ; CHECK-NEXT: vextractf128 $1, %ymm1, %xmm1
64 ; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm3
65 ; CHECK-NEXT: vpaddd %xmm1, %xmm3, %xmm1
66 ; CHECK-NEXT: vpaddd %xmm3, %xmm1, %xmm1
67 ; CHECK-NEXT: vpaddd %xmm0, %xmm2, %xmm0
68 ; CHECK-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
70 %t1 = add <8 x i32> %v1, %v2
71 %t2 = add <8 x i32> %t1, %v1
75 define <4 x double> @insert_undef_pd(<4 x double> %a0, <2 x double> %a1) {
76 ; CHECK-LABEL: insert_undef_pd:
78 ; CHECK-NEXT: vmovaps %xmm1, %xmm0
80 %res = call <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double> undef, <2 x double> %a1, i8 0)
83 declare <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double>, <2 x double>, i8) nounwind readnone
85 define <8 x float> @insert_undef_ps(<8 x float> %a0, <4 x float> %a1) {
86 ; CHECK-LABEL: insert_undef_ps:
88 ; CHECK-NEXT: vmovaps %xmm1, %xmm0
90 %res = call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %a1, i8 0)
93 declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8) nounwind readnone
95 define <8 x i32> @insert_undef_si(<8 x i32> %a0, <4 x i32> %a1) {
96 ; CHECK-LABEL: insert_undef_si:
98 ; CHECK-NEXT: vmovaps %xmm1, %xmm0
100 %res = call <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32> undef, <4 x i32> %a1, i8 0)
103 declare <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32>, <4 x i32>, i8) nounwind readnone
106 define <8 x float> @vinsertf128_combine(ptr nocapture %f) nounwind uwtable readonly ssp {
107 ; CHECK-LABEL: vinsertf128_combine:
109 ; CHECK-NEXT: vinsertf128 $1, 16(%rdi), %ymm0, %ymm0
111 %add.ptr = getelementptr inbounds float, ptr %f, i64 4
112 %t1 = load <4 x float>, ptr %add.ptr, align 16
113 %t2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %t1, i8 1)
118 define <8 x float> @vinsertf128_ucombine(ptr nocapture %f) nounwind uwtable readonly ssp {
119 ; CHECK-LABEL: vinsertf128_ucombine:
121 ; CHECK-NEXT: vinsertf128 $1, 16(%rdi), %ymm0, %ymm0
123 %add.ptr = getelementptr inbounds float, ptr %f, i64 4
124 %t1 = load <4 x float>, ptr %add.ptr, align 8
125 %t2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %t1, i8 1)