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;CHECK-LABEL: @reduce_compare(
9;CHECK: load <2 x double>
10;CHECK: fmul <2 x double>
11;CHECK: fmul <2 x double>
12;CHECK: fadd <2 x double>
13;CHECK: extractelement
14;CHECK: extractelement
15;CHECK: ret
16define void @reduce_compare(double* nocapture %A, i32 %n) {
17entry:
18  %conv = sitofp i32 %n to double
19  br label %for.body
20
21for.body:                                         ; preds = %for.inc, %entry
22  %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
23  %0 = shl nsw i64 %indvars.iv, 1
24  %arrayidx = getelementptr inbounds double, double* %A, i64 %0
25  %1 = load double, double* %arrayidx, align 8
26  %mul1 = fmul double %conv, %1
27  %mul2 = fmul double %mul1, 7.000000e+00
28  %add = fadd double %mul2, 5.000000e+00
29  %2 = or i64 %0, 1
30  %arrayidx6 = getelementptr inbounds double, double* %A, i64 %2
31  %3 = load double, double* %arrayidx6, align 8
32  %mul8 = fmul double %conv, %3
33  %mul9 = fmul double %mul8, 4.000000e+00
34  %add10 = fadd double %mul9, 9.000000e+00
35  %cmp11 = fcmp ogt double %add, %add10
36  br i1 %cmp11, label %if.then, label %for.inc
37
38if.then:                                          ; preds = %for.body
39  %call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
40  br label %for.inc
41
42for.inc:                                          ; preds = %for.body, %if.then
43  %indvars.iv.next = add i64 %indvars.iv, 1
44  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
45  %exitcond = icmp eq i32 %lftr.wideiv, 100
46  br i1 %exitcond, label %for.end, label %for.body
47
48for.end:                                          ; preds = %for.inc
49  ret void
50}
51
52declare i32 @printf(i8* nocapture, ...)
53
54