1; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
2
3target 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"
4target triple = "x86_64-apple-macosx10.7.0"
5
6@.str = private unnamed_addr constant [6 x i8] c"bingo\00", align 1
7
8; Uses inside the tree must be scheduled after the corresponding tree bundle.
9;CHECK-LABEL: @in_tree_user(
10;CHECK: load <2 x double>
11;CHECK: fadd <2 x double>
12;CHECK: InTreeUser = fadd
13;CHECK: ret
14define void @in_tree_user(double* nocapture %A, i32 %n) {
15entry:
16  %conv = sitofp i32 %n to double
17  br label %for.body
18
19for.body:                                         ; preds = %for.inc, %entry
20  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
21  %0 = shl nsw i64 %indvars.iv, 1
22  %arrayidx = getelementptr inbounds double* %A, i64 %0
23  %1 = load double* %arrayidx, align 8
24  %mul1 = fmul double %conv, %1
25  %mul2 = fmul double %mul1, 7.000000e+00
26  %add = fadd double %mul2, 5.000000e+00
27  %InTreeUser = fadd double %add, %add    ; <------------------ In tree user.
28  %2 = or i64 %0, 1
29  %arrayidx6 = getelementptr inbounds double* %A, i64 %2
30  %3 = load double* %arrayidx6, align 8
31  %mul8 = fmul double %conv, %3
32  %mul9 = fmul double %mul8, 4.000000e+00
33  %add10 = fadd double %mul9, 9.000000e+00
34  %cmp11 = fcmp ogt double %add, %add10
35  br i1 %cmp11, label %if.then, label %for.inc
36
37if.then:                                          ; preds = %for.body
38  %call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([6 x i8]* @.str, i64 0, i64 0))
39  br label %for.inc
40
41for.inc:                                          ; preds = %for.body, %if.then
42  %indvars.iv.next = add i64 %indvars.iv, 1
43  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
44  %exitcond = icmp eq i32 %lftr.wideiv, 100
45  br i1 %exitcond, label %for.end, label %for.body
46
47for.end:                                          ; preds = %for.inc
48  store double %InTreeUser, double* %A, align 8   ; Avoid dead code elimination of the InTreeUser.
49  ret void
50}
51
52declare i32 @printf(i8* nocapture, ...)
53
54