1; RUN: opt < %s  -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S
2; RUN: opt < %s -debugify -loop-vectorize -S | FileCheck %s --check-prefix=DEBUGLOC
3
4target 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"
5
6@a = common global i8 0, align 1
7@b = common global i8 0, align 1
8
9define void @f() nounwind uwtable ssp {
10; Check that the induction phis and adds have debug location.
11;
12; DEBUGLOC-LABEL: vector.body:
13; DEBUGLOC:         %vec.ind = phi {{.*}}, !dbg ![[DbgLoc:[0-9]+]]
14; DEBUGLOC:         %vec.ind.next = add {{.*}}, !dbg ![[DbgLoc]]
15
16scalar.ph:
17  store i8 0, i8* inttoptr (i64 1 to i8*), align 1
18  %0 = load i8, i8* @a, align 1
19  br label %for.body
20
21for.body:
22  %mul16 = phi i8 [ 0, %scalar.ph ], [ %mul, %for.body ]              ; <------- i8 induction var.
23  %c.015 = phi i8 [ undef, %scalar.ph ], [ %conv8, %for.body ]
24  %conv2 = sext i8 %c.015 to i32
25  %tobool = icmp ne i8 %c.015, 0
26  %.sink = select i1 %tobool, i8 %c.015, i8 %0
27  %mul = mul i8 %mul16, %.sink
28  %add = add nsw i32 %conv2, 1
29  %conv8 = trunc i32 %add to i8
30  %sext = shl i32 %add, 24
31  %phitmp14 = icmp slt i32 %sext, 268435456
32  br i1 %phitmp14, label %for.body, label %for.end
33
34for.end:                                          ; preds = %for.body
35  store i8 %mul, i8* @b, align 1
36  ret void
37}
38
39; Check that the location of the new phi comes from %c.015 = phi i8
40; DEBUGLOC:         ![[DbgLoc]] = !DILocation(line: 5
41