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; 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"
; We disable the vectorization of <3 x float> for now
; 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-NOT: phi <3 x float>
;CHECK-NOT: fmul <3 x float>
;CHECK-NOT: fadd <3 x float>
; At the moment we don't sink extractelements.
;CHECK: br
;CHECK-NOT: extractelement
;CHECK-NOT: extractelement
;CHECK-NOT: extractelement
;CHECK: ret
define float @foo(float* nocapture readonly %A) {
entry:
%0 = load float, float* %A, align 4
%arrayidx1 = getelementptr inbounds float, float* %A, i64 1
%1 = load float, float* %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds float, float* %A, i64 2
%2 = load float, 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, float* %A, i64 %4
%5 = load float, 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, float* %A, i64 %6
%7 = load float, 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, float* %A, i64 %indvars.iv.next
%.pre = load float, 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
}
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