1; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
2; rdar://7395200
3
4@g = common global [4 x float] zeroinitializer, align 16 ; <[4 x float]*> [#uses=4]
5
6define void @foo(i32 %n, float* nocapture %x) nounwind ssp {
7entry:
8; CHECK-LABEL: foo:
9  %0 = icmp sgt i32 %n, 0                         ; <i1> [#uses=1]
10  br i1 %0, label %bb.nph, label %return
11
12bb.nph:                                           ; preds = %entry
13; CHECK: movq _g@GOTPCREL(%rip), [[REG:%[a-z]+]]
14  %tmp = zext i32 %n to i64                       ; <i64> [#uses=1]
15  br label %bb
16
17bb:                                               ; preds = %bb, %bb.nph
18; CHECK: LBB0_2:
19  %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=2]
20  %tmp9 = shl i64 %indvar, 2                      ; <i64> [#uses=4]
21  %tmp1016 = or i64 %tmp9, 1                      ; <i64> [#uses=1]
22  %scevgep = getelementptr float* %x, i64 %tmp1016 ; <float*> [#uses=1]
23  %tmp1117 = or i64 %tmp9, 2                      ; <i64> [#uses=1]
24  %scevgep12 = getelementptr float* %x, i64 %tmp1117 ; <float*> [#uses=1]
25  %tmp1318 = or i64 %tmp9, 3                      ; <i64> [#uses=1]
26  %scevgep14 = getelementptr float* %x, i64 %tmp1318 ; <float*> [#uses=1]
27  %x_addr.03 = getelementptr float* %x, i64 %tmp9 ; <float*> [#uses=1]
28  %1 = load float* getelementptr inbounds ([4 x float]* @g, i64 0, i64 0), align 16 ; <float> [#uses=1]
29  store float %1, float* %x_addr.03, align 4
30  %2 = load float* getelementptr inbounds ([4 x float]* @g, i64 0, i64 1), align 4 ; <float> [#uses=1]
31  store float %2, float* %scevgep, align 4
32  %3 = load float* getelementptr inbounds ([4 x float]* @g, i64 0, i64 2), align 8 ; <float> [#uses=1]
33  store float %3, float* %scevgep12, align 4
34  %4 = load float* getelementptr inbounds ([4 x float]* @g, i64 0, i64 3), align 4 ; <float> [#uses=1]
35  store float %4, float* %scevgep14, align 4
36  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=2]
37  %exitcond = icmp eq i64 %indvar.next, %tmp      ; <i1> [#uses=1]
38  br i1 %exitcond, label %return, label %bb
39
40return:                                           ; preds = %bb, %entry
41  ret void
42}
43