; 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" ; float foo(float *A) { ; ; float R = A[0]; ; float G = A[1]; ; float B = A[2]; ; for (int i=0; i < 121; i+=3) { ; R+=A[i+0]*7; ; G+=A[i+1]*8; ; B+=A[i+2]*9; ; } ; ; return R+G+B; ; } ;CHECK-LABEL: @foo( ;CHECK: br ;CHECK: phi <3 x float> ;CHECK: fmul <3 x float> ;CHECK: fadd <3 x float> ; At the moment we don't sink extractelements. ;CHECK: br ;CHECK: extractelement ;CHECK: extractelement ;CHECK: extractelement ;CHECK: ret define float @foo(float* nocapture readonly %A) { entry: %0 = load float* %A, align 4 %arrayidx1 = getelementptr inbounds float* %A, i64 1 %1 = load float* %arrayidx1, align 4 %arrayidx2 = getelementptr inbounds float* %A, i64 2 %2 = load float* %arrayidx2, align 4 br label %for.body for.body: ; preds = %for.body.for.body_crit_edge, %entry %3 = phi float [ %0, %entry ], [ %.pre, %for.body.for.body_crit_edge ] %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body.for.body_crit_edge ] %B.032 = phi float [ %2, %entry ], [ %add14, %for.body.for.body_crit_edge ] %G.031 = phi float [ %1, %entry ], [ %add9, %for.body.for.body_crit_edge ] %R.030 = phi float [ %0, %entry ], [ %add4, %for.body.for.body_crit_edge ] %mul = fmul float %3, 7.000000e+00 %add4 = fadd float %R.030, %mul %4 = add nsw i64 %indvars.iv, 1 %arrayidx7 = getelementptr inbounds float* %A, i64 %4 %5 = load float* %arrayidx7, align 4 %mul8 = fmul float %5, 8.000000e+00 %add9 = fadd float %G.031, %mul8 %6 = add nsw i64 %indvars.iv, 2 %arrayidx12 = getelementptr inbounds float* %A, i64 %6 %7 = load float* %arrayidx12, align 4 %mul13 = fmul float %7, 9.000000e+00 %add14 = fadd float %B.032, %mul13 %indvars.iv.next = add i64 %indvars.iv, 3 %8 = trunc i64 %indvars.iv.next to i32 %cmp = icmp slt i32 %8, 121 br i1 %cmp, label %for.body.for.body_crit_edge, label %for.end for.body.for.body_crit_edge: ; preds = %for.body %arrayidx3.phi.trans.insert = getelementptr inbounds float* %A, i64 %indvars.iv.next %.pre = load float* %arrayidx3.phi.trans.insert, align 4 br label %for.body for.end: ; preds = %for.body %add16 = fadd float %add4, %add9 %add17 = fadd float %add16, %add14 ret float %add17 }