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1; RUN: opt < %s -loop-vectorize -S | FileCheck %s
2
3; CHECK: fadd
4; CHECK-NEXT: fadd
5; CHECK-NEXT: fadd
6; CHECK-NEXT: fadd
7; CHECK-NEXT: fadd
8; CHECK-NEXT: fadd
9; CHECK-NEXT: fadd
10; CHECK-NEXT: fadd
11; CHECK-NEXT: fadd
12; CHECK-NEXT: fadd
13; CHECK-NEXT: fadd
14; CHECK-NEXT: fadd
15; CHECK-NEXT: =
16; CHECK-NOT: fadd
17; CHECK-SAME: >
18
19target datalayout = "e-m:e-i64:64-n32:64"
20target triple = "powerpc64le-ibm-linux-gnu"
21
22define void @test(double* nocapture readonly %arr, i32 signext %len) #0 {
23entry:
24  %cmp4 = icmp sgt i32 %len, 0
25  br i1 %cmp4, label %for.body.lr.ph, label %for.end
26
27for.body.lr.ph:                                   ; preds = %entry
28  %0 = add i32 %len, -1
29  br label %for.body
30
31for.body:                                         ; preds = %for.body, %for.body.lr.ph
32  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
33  %redx.05 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add, %for.body ]
34  %arrayidx = getelementptr inbounds double, double* %arr, i64 %indvars.iv
35  %1 = load double, double* %arrayidx, align 8
36  %add = fadd fast double %1, %redx.05
37  %indvars.iv.next = add i64 %indvars.iv, 1
38  %lftr.wideiv = trunc i64 %indvars.iv to i32
39  %exitcond = icmp eq i32 %lftr.wideiv, %0
40  br i1 %exitcond, label %for.end.loopexit, label %for.body
41
42for.end.loopexit:                                 ; preds = %for.body
43  %add.lcssa = phi double [ %add, %for.body ]
44  br label %for.end
45
46for.end:                                          ; preds = %for.end.loopexit, %entry
47  %redx.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add.lcssa, %for.end.loopexit ]
48  ret void
49}
50