; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -slp-vectorizer -S -mcpu=corei7-avx | FileCheck %s --check-prefixes=ANY,AVX ; RUN: opt < %s -basic-aa -slp-vectorizer -slp-max-reg-size=128 -S -mcpu=corei7-avx | FileCheck %s --check-prefixes=ANY,MAX128 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @store_chains(double* %x) { ; AVX-LABEL: @store_chains( ; AVX-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[X:%.*]], i64 1 ; AVX-NEXT: [[TMP2:%.*]] = getelementptr inbounds double, double* [[X]], i64 2 ; AVX-NEXT: [[TMP3:%.*]] = getelementptr inbounds double, double* [[X]], i64 3 ; AVX-NEXT: [[TMP4:%.*]] = bitcast double* [[X]] to <4 x double>* ; AVX-NEXT: [[TMP5:%.*]] = load <4 x double>, <4 x double>* [[TMP4]], align 8 ; AVX-NEXT: [[TMP6:%.*]] = fadd <4 x double> [[TMP5]], [[TMP5]] ; AVX-NEXT: [[TMP7:%.*]] = fadd <4 x double> [[TMP6]], [[TMP5]] ; AVX-NEXT: [[TMP8:%.*]] = bitcast double* [[X]] to <4 x double>* ; AVX-NEXT: store <4 x double> [[TMP7]], <4 x double>* [[TMP8]], align 8 ; AVX-NEXT: ret void ; ; MAX128-LABEL: @store_chains( ; MAX128-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[X:%.*]], i64 1 ; MAX128-NEXT: [[TMP2:%.*]] = bitcast double* [[X]] to <2 x double>* ; MAX128-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8 ; MAX128-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP3]], [[TMP3]] ; MAX128-NEXT: [[TMP5:%.*]] = fadd <2 x double> [[TMP4]], [[TMP3]] ; MAX128-NEXT: [[TMP6:%.*]] = bitcast double* [[X]] to <2 x double>* ; MAX128-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8 ; MAX128-NEXT: [[TMP7:%.*]] = getelementptr inbounds double, double* [[X]], i64 2 ; MAX128-NEXT: [[TMP8:%.*]] = getelementptr inbounds double, double* [[X]], i64 3 ; MAX128-NEXT: [[TMP9:%.*]] = bitcast double* [[TMP7]] to <2 x double>* ; MAX128-NEXT: [[TMP10:%.*]] = load <2 x double>, <2 x double>* [[TMP9]], align 8 ; MAX128-NEXT: [[TMP11:%.*]] = fadd <2 x double> [[TMP10]], [[TMP10]] ; MAX128-NEXT: [[TMP12:%.*]] = fadd <2 x double> [[TMP11]], [[TMP10]] ; MAX128-NEXT: [[TMP13:%.*]] = bitcast double* [[TMP7]] to <2 x double>* ; MAX128-NEXT: store <2 x double> [[TMP12]], <2 x double>* [[TMP13]], align 8 ; MAX128-NEXT: ret void ; %1 = load double, double* %x, align 8 %2 = fadd double %1, %1 %3 = fadd double %2, %1 store double %3, double* %x, align 8 %4 = getelementptr inbounds double, double* %x, i64 1 %5 = load double, double* %4, align 8 %6 = fadd double %5, %5 %7 = fadd double %6, %5 store double %7, double* %4, align 8 %8 = getelementptr inbounds double, double* %x, i64 2 %9 = load double, double* %8, align 8 %10 = fadd double %9, %9 %11 = fadd double %10, %9 store double %11, double* %8, align 8 %12 = getelementptr inbounds double, double* %x, i64 3 %13 = load double, double* %12, align 8 %14 = fadd double %13, %13 %15 = fadd double %14, %13 store double %15, double* %12, align 8 ret void } define void @store_chains_prefer_width_attr(double* %x) #0 { ; ANY-LABEL: @store_chains_prefer_width_attr( ; ANY-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, double* [[X:%.*]], i64 1 ; ANY-NEXT: [[TMP2:%.*]] = bitcast double* [[X]] to <2 x double>* ; ANY-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8 ; ANY-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP3]], [[TMP3]] ; ANY-NEXT: [[TMP5:%.*]] = fadd <2 x double> [[TMP4]], [[TMP3]] ; ANY-NEXT: [[TMP6:%.*]] = bitcast double* [[X]] to <2 x double>* ; ANY-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8 ; ANY-NEXT: [[TMP7:%.*]] = getelementptr inbounds double, double* [[X]], i64 2 ; ANY-NEXT: [[TMP8:%.*]] = getelementptr inbounds double, double* [[X]], i64 3 ; ANY-NEXT: [[TMP9:%.*]] = bitcast double* [[TMP7]] to <2 x double>* ; ANY-NEXT: [[TMP10:%.*]] = load <2 x double>, <2 x double>* [[TMP9]], align 8 ; ANY-NEXT: [[TMP11:%.*]] = fadd <2 x double> [[TMP10]], [[TMP10]] ; ANY-NEXT: [[TMP12:%.*]] = fadd <2 x double> [[TMP11]], [[TMP10]] ; ANY-NEXT: [[TMP13:%.*]] = bitcast double* [[TMP7]] to <2 x double>* ; ANY-NEXT: store <2 x double> [[TMP12]], <2 x double>* [[TMP13]], align 8 ; ANY-NEXT: ret void ; %1 = load double, double* %x, align 8 %2 = fadd double %1, %1 %3 = fadd double %2, %1 store double %3, double* %x, align 8 %4 = getelementptr inbounds double, double* %x, i64 1 %5 = load double, double* %4, align 8 %6 = fadd double %5, %5 %7 = fadd double %6, %5 store double %7, double* %4, align 8 %8 = getelementptr inbounds double, double* %x, i64 2 %9 = load double, double* %8, align 8 %10 = fadd double %9, %9 %11 = fadd double %10, %9 store double %11, double* %8, align 8 %12 = getelementptr inbounds double, double* %x, i64 3 %13 = load double, double* %12, align 8 %14 = fadd double %13, %13 %15 = fadd double %14, %13 store double %15, double* %12, align 8 ret void } attributes #0 = { "prefer-vector-width"="128" }