1 ; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S | 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-macosx10.8.0"
6 @c = common global [2048 x i32] zeroinitializer, align 16
7 @b = common global [2048 x i32] zeroinitializer, align 16
8 @d = common global [2048 x i32] zeroinitializer, align 16
9 @a = common global [2048 x i32] zeroinitializer, align 16
14 define void @cost_model_1() nounwind uwtable noinline ssp {
18 for.body: ; preds = %for.body, %entry
19 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
20 %0 = shl nsw i64 %indvars.iv, 1
21 %arrayidx = getelementptr inbounds [2048 x i32]* @c, i64 0, i64 %0
22 %1 = load i32* %arrayidx, align 8
23 %idxprom1 = sext i32 %1 to i64
24 %arrayidx2 = getelementptr inbounds [2048 x i32]* @b, i64 0, i64 %idxprom1
25 %2 = load i32* %arrayidx2, align 4
26 %arrayidx4 = getelementptr inbounds [2048 x i32]* @d, i64 0, i64 %indvars.iv
27 %3 = load i32* %arrayidx4, align 4
28 %idxprom5 = sext i32 %3 to i64
29 %arrayidx6 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %idxprom5
30 store i32 %2, i32* %arrayidx6, align 4
31 %indvars.iv.next = add i64 %indvars.iv, 1
32 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
33 %exitcond = icmp eq i32 %lftr.wideiv, 256
34 br i1 %exitcond, label %for.end, label %for.body
36 for.end: ; preds = %for.body