1 ; RUN: opt -S -loop-vectorize -dce -instcombine -force-vector-width=2 -force-vector-interleave=2 < %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"
8 ; When scalarizing stores we need to preserve the original order.
9 ; Make sure that we are extracting in the correct order (0101, and not 0011).
10 ;CHECK: extractelement <2 x i64> {{.*}}, i32 0
11 ;CHECK: extractelement <2 x i64> {{.*}}, i32 1
12 ;CHECK: extractelement <2 x i64> {{.*}}, i32 0
13 ;CHECK: extractelement <2 x i64> {{.*}}, i32 1
20 define i32 @foo(i32* nocapture %A) {
25 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
26 %0 = shl nsw i64 %indvars.iv, 2
27 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %0
28 store i32 4, i32* %arrayidx, align 4
29 %indvars.iv.next = add i64 %indvars.iv, 1
30 %lftr.wideiv = trunc i64 %indvars.iv.next to i32
31 %exitcond = icmp eq i32 %lftr.wideiv, 10000
32 br i1 %exitcond, label %for.end, label %for.body