; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.8.0" ; Simple 3-pair chain with loads and stores define void @test1(double* %a, double* %b, double* %c) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>* ; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = bitcast double* [[B:%.*]] to <2 x double>* ; CHECK-NEXT: [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8 ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]] ; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C:%.*]] to <2 x double>* ; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8 ; CHECK-NEXT: ret void ; %i0 = load double, double* %a, align 8 %i1 = load double, double* %b, align 8 %mul = fmul double %i0, %i1 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1 %i3 = load double, double* %arrayidx3, align 8 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1 %i4 = load double, double* %arrayidx4, align 8 %mul5 = fmul double %i3, %i4 store double %mul, double* %c, align 8 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1 store double %mul5, double* %arrayidx5, align 8 ret void } ; Simple 3-pair chain with loads and stores, obfuscated with bitcasts define void @test2(double* %a, double* %b, i8* %e) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: [[C:%.*]] = bitcast i8* [[E:%.*]] to double* ; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>* ; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = bitcast double* [[B:%.*]] to <2 x double>* ; CHECK-NEXT: [[TMP4:%.*]] = load <2 x double>, <2 x double>* [[TMP3]], align 8 ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]] ; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C]] to <2 x double>* ; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8 ; CHECK-NEXT: ret void ; %i0 = load double, double* %a, align 8 %i1 = load double, double* %b, align 8 %mul = fmul double %i0, %i1 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1 %i3 = load double, double* %arrayidx3, align 8 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1 %i4 = load double, double* %arrayidx4, align 8 %mul5 = fmul double %i3, %i4 %c = bitcast i8* %e to double* store double %mul, double* %c, align 8 %carrayidx5 = getelementptr inbounds i8, i8* %e, i64 8 %arrayidx5 = bitcast i8* %carrayidx5 to double* store double %mul5, double* %arrayidx5, align 8 ret void } ; Don't vectorize volatile loads. define void @test_volatile_load(double* %a, double* %b, double* %c) { ; CHECK-LABEL: @test_volatile_load( ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[A:%.*]], i64 1 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[B:%.*]], i64 1 ; CHECK-NEXT: [[I0:%.*]] = load volatile double, double* [[A]], align 8 ; CHECK-NEXT: [[I1:%.*]] = load volatile double, double* [[B]], align 8 ; CHECK-NEXT: [[I3:%.*]] = load double, double* [[ARRAYIDX3]], align 8 ; CHECK-NEXT: [[I4:%.*]] = load double, double* [[ARRAYIDX4]], align 8 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[I0]], i32 0 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[I3]], i32 1 ; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> poison, double [[I1]], i32 0 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> [[TMP3]], double [[I4]], i32 1 ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x double> [[TMP2]], [[TMP4]] ; CHECK-NEXT: [[TMP6:%.*]] = bitcast double* [[C:%.*]] to <2 x double>* ; CHECK-NEXT: store <2 x double> [[TMP5]], <2 x double>* [[TMP6]], align 8 ; CHECK-NEXT: ret void ; %i0 = load volatile double, double* %a, align 8 %i1 = load volatile double, double* %b, align 8 %mul = fmul double %i0, %i1 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1 %i3 = load double, double* %arrayidx3, align 8 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1 %i4 = load double, double* %arrayidx4, align 8 %mul5 = fmul double %i3, %i4 store double %mul, double* %c, align 8 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1 store double %mul5, double* %arrayidx5, align 8 ret void } ; Don't vectorize volatile stores. define void @test_volatile_store(double* %a, double* %b, double* %c) { ; CHECK-LABEL: @test_volatile_store( ; CHECK-NEXT: [[I0:%.*]] = load double, double* [[A:%.*]], align 8 ; CHECK-NEXT: [[I1:%.*]] = load double, double* [[B:%.*]], align 8 ; CHECK-NEXT: [[MUL:%.*]] = fmul double [[I0]], [[I1]] ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[A]], i64 1 ; CHECK-NEXT: [[I3:%.*]] = load double, double* [[ARRAYIDX3]], align 8 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[B]], i64 1 ; CHECK-NEXT: [[I4:%.*]] = load double, double* [[ARRAYIDX4]], align 8 ; CHECK-NEXT: [[MUL5:%.*]] = fmul double [[I3]], [[I4]] ; CHECK-NEXT: store volatile double [[MUL]], double* [[C:%.*]], align 8 ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds double, double* [[C]], i64 1 ; CHECK-NEXT: store volatile double [[MUL5]], double* [[ARRAYIDX5]], align 8 ; CHECK-NEXT: ret void ; %i0 = load double, double* %a, align 8 %i1 = load double, double* %b, align 8 %mul = fmul double %i0, %i1 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1 %i3 = load double, double* %arrayidx3, align 8 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1 %i4 = load double, double* %arrayidx4, align 8 %mul5 = fmul double %i3, %i4 store volatile double %mul, double* %c, align 8 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1 store volatile double %mul5, double* %arrayidx5, align 8 ret void }