1; RUN: llc < %s -mcpu=pwr7 -mattr=-vsx| FileCheck %s
2; RUN: llc < %s -mcpu=pwr7 -mattr=+vsx | FileCheck -check-prefix=CHECK-VSX %s
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-f128:128:128-v128:128:128-n32:64"
4target triple = "powerpc64-unknown-linux-gnu"
5
6define fastcc void @copy_to_conceal() #0 {
7entry:
8  br i1 undef, label %if.then, label %if.end210
9
10if.then:                                          ; preds = %entry
11  br label %vector.body.i
12
13vector.body.i:                                    ; preds = %vector.body.i, %if.then
14  %index.i = phi i64 [ 0, %vector.body.i ], [ 0, %if.then ]
15  store <8 x i16> zeroinitializer, <8 x i16>* undef, align 2
16  br label %vector.body.i
17
18if.end210:                                        ; preds = %entry
19  ret void
20
21; This will generate two align-1 i64 stores. Make sure that they are
22; indexed stores and not in r+i form (which require the offset to be
23; a multiple of 4).
24; CHECK: @copy_to_conceal
25; CHECK: stdx {{[0-9]+}}, 0,
26
27; CHECK-VSX: @copy_to_conceal
28; CHECK-VSX: stxvw4x {{[0-9]+}}, 0,
29}
30
31attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
32