; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=i386-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" target triple = "i386-apple-macosx10.9.0" ;int foo(double *A, int k) { ; double A0; ; double A1; ; if (k) { ; A0 = 3; ; A1 = 5; ; } else { ; A0 = A[10]; ; A1 = A[11]; ; } ; A[0] = A0; ; A[1] = A1; ;} ;CHECK: i32 @foo ;CHECK: load <2 x double> ;CHECK: phi <2 x double> ;CHECK: store <2 x double> ;CHECK: ret i32 undef define i32 @foo(double* nocapture %A, i32 %k) { entry: %tobool = icmp eq i32 %k, 0 br i1 %tobool, label %if.else, label %if.end if.else: ; preds = %entry %arrayidx = getelementptr inbounds double* %A, i64 10 %0 = load double* %arrayidx, align 8 %arrayidx1 = getelementptr inbounds double* %A, i64 11 %1 = load double* %arrayidx1, align 8 br label %if.end if.end: ; preds = %entry, %if.else %A0.0 = phi double [ %0, %if.else ], [ 3.000000e+00, %entry ] %A1.0 = phi double [ %1, %if.else ], [ 5.000000e+00, %entry ] store double %A0.0, double* %A, align 8 %arrayidx3 = getelementptr inbounds double* %A, i64 1 store double %A1.0, double* %arrayidx3, align 8 ret i32 undef } ;int foo(double * restrict B, double * restrict A, int n, int m) { ; double R=A[1]; ; double G=A[0]; ; for (int i=0; i < 100; i++) { ; R += 10; ; G += 10; ; R *= 4; ; G *= 4; ; R += 4; ; G += 4; ; } ; B[0] = G; ; B[1] = R; ; return 0; ;} ;CHECK: foo2 ;CHECK: load <2 x double> ;CHECK: phi <2 x double> ;CHECK: fmul <2 x double> ;CHECK: store <2 x double> ;CHECK: ret define i32 @foo2(double* noalias nocapture %B, double* noalias nocapture %A, i32 %n, i32 %m) #0 { entry: %arrayidx = getelementptr inbounds double* %A, i64 1 %0 = load double* %arrayidx, align 8 %1 = load double* %A, align 8 br label %for.body for.body: ; preds = %for.body, %entry %i.019 = phi i32 [ 0, %entry ], [ %inc, %for.body ] %G.018 = phi double [ %1, %entry ], [ %add5, %for.body ] %R.017 = phi double [ %0, %entry ], [ %add4, %for.body ] %add = fadd double %R.017, 1.000000e+01 %add2 = fadd double %G.018, 1.000000e+01 %mul = fmul double %add, 4.000000e+00 %mul3 = fmul double %add2, 4.000000e+00 %add4 = fadd double %mul, 4.000000e+00 %add5 = fadd double %mul3, 4.000000e+00 %inc = add nsw i32 %i.019, 1 %exitcond = icmp eq i32 %inc, 100 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body store double %add5, double* %B, align 8 %arrayidx7 = getelementptr inbounds double* %B, i64 1 store double %add4, double* %arrayidx7, align 8 ret i32 0 }