1 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
3 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"
4 target triple = "x86_64-apple-macosx10.7.0"
6 @.str = private unnamed_addr constant [6 x i8] c"bingo\00", align 1
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
14 define void @in_tree_user(double* nocapture %A, i32 %n) {
16 %conv = sitofp i32 %n to double
19 for.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, double* %A, i64 %0
23 %1 = load double, 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.
29 %arrayidx6 = getelementptr inbounds double, double* %A, i64 %2
30 %3 = load double, 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
37 if.then: ; preds = %for.body
38 %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
41 for.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
47 for.end: ; preds = %for.inc
48 store double %InTreeUser, double* %A, align 8 ; Avoid dead code elimination of the InTreeUser.
52 declare i32 @printf(i8* nocapture, ...)