; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s ; CHECK-LABEL: A: ; CHECK-NOT: vunpck ; CHECK: vinsertf128 $1 define <8 x float> @A(<8 x float> %a) nounwind uwtable readnone ssp { entry: %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> ret <8 x float> %shuffle } ; CHECK-LABEL: B: ; CHECK-NOT: vunpck ; CHECK: vinsertf128 $1 define <4 x double> @B(<4 x double> %a) nounwind uwtable readnone ssp { entry: %shuffle = shufflevector <4 x double> %a, <4 x double> undef, <4 x i32> ret <4 x double> %shuffle } declare <2 x double> @llvm.x86.sse2.min.pd(<2 x double>, <2 x double>) nounwind readnone declare <2 x double> @llvm.x86.sse2.min.sd(<2 x double>, <2 x double>) nounwind readnone ; Just check that no crash happens ; CHECK-LABEL: _insert_crash: define void @insert_crash() nounwind { allocas: %v1.i.i451 = shufflevector <4 x double> zeroinitializer, <4 x double> undef, <4 x i32> %ret_0a.i.i.i452 = shufflevector <4 x double> %v1.i.i451, <4 x double> undef, <2 x i32> %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 %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 %ret.i1.i.i464 = extractelement <2 x double> %ret_val.i.i.i463, i32 0 %double2float = fptrunc double %ret.i1.i.i464 to float %smearinsert50 = insertelement <4 x float> undef, float %double2float, i32 3 %blendAsInt.i503 = bitcast <4 x float> %smearinsert50 to <4 x i32> store <4 x i32> %blendAsInt.i503, <4 x i32>* undef, align 4 ret void } ;; DAG Combine must remove useless vinsertf128 instructions ; CHECK-LABEL: DAGCombineA: ; CHECK-NOT: vinsertf128 $1 define <4 x i32> @DAGCombineA(<4 x i32> %v1) nounwind readonly { %1 = shufflevector <4 x i32> %v1, <4 x i32> undef, <8 x i32> %2 = shufflevector <8 x i32> %1, <8 x i32> undef, <4 x i32> ret <4 x i32> %2 } ; CHECK-LABEL: DAGCombineB: ; CHECK: vpaddd %xmm ; CHECK-NOT: vinsertf128 $1 ; CHECK: vpaddd %xmm define <8 x i32> @DAGCombineB(<8 x i32> %v1, <8 x i32> %v2) nounwind readonly { %1 = add <8 x i32> %v1, %v2 %2 = add <8 x i32> %1, %v1 ret <8 x i32> %2 } ; CHECK-LABEL: insert_undef_pd: define <4 x double> @insert_undef_pd(<4 x double> %a0, <2 x double> %a1) { ; CHECK: vmovaps %ymm1, %ymm0 %res = call <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double> undef, <2 x double> %a1, i8 0) ret <4 x double> %res } declare <4 x double> @llvm.x86.avx.vinsertf128.pd.256(<4 x double>, <2 x double>, i8) nounwind readnone ; CHECK-LABEL: insert_undef_ps: define <8 x float> @insert_undef_ps(<8 x float> %a0, <4 x float> %a1) { ; CHECK: vmovaps %ymm1, %ymm0 %res = call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %a1, i8 0) ret <8 x float> %res } declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8) nounwind readnone ; CHECK-LABEL: insert_undef_si: define <8 x i32> @insert_undef_si(<8 x i32> %a0, <4 x i32> %a1) { ; CHECK: vmovaps %ymm1, %ymm0 %res = call <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32> undef, <4 x i32> %a1, i8 0) ret <8 x i32> %res } declare <8 x i32> @llvm.x86.avx.vinsertf128.si.256(<8 x i32>, <4 x i32>, i8) nounwind readnone ; rdar://10643481 ; CHECK-LABEL: vinsertf128_combine: define <8 x float> @vinsertf128_combine(float* nocapture %f) nounwind uwtable readonly ssp { ; CHECK-NOT: vmovaps ; CHECK: vinsertf128 entry: %add.ptr = getelementptr inbounds float, float* %f, i64 4 %0 = bitcast float* %add.ptr to <4 x float>* %1 = load <4 x float>, <4 x float>* %0, align 16 %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1) ret <8 x float> %2 } ; rdar://11076953 ; CHECK-LABEL: vinsertf128_ucombine: define <8 x float> @vinsertf128_ucombine(float* nocapture %f) nounwind uwtable readonly ssp { ; CHECK-NOT: vmovups ; CHECK: vinsertf128 entry: %add.ptr = getelementptr inbounds float, float* %f, i64 4 %0 = bitcast float* %add.ptr to <4 x float>* %1 = load <4 x float>, <4 x float>* %0, align 8 %2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> undef, <4 x float> %1, i8 1) ret <8 x float> %2 }