blob: 9a13978a605eea72a943b0824a1a0e2f778d85f6 [file] [log] [blame]
Sanjay Patelb653de12014-09-10 17:58:16 +00001; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S
Nadav Rotem40e45ee2013-01-13 07:56:29 +00002
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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
Nadav Rotem40e45ee2013-01-13 07:56:29 +00004
5@a = common global i8 0, align 1
6@b = common global i8 0, align 1
7
8define void @f() nounwind uwtable ssp {
9scalar.ph:
Manman Ren1a5ff282013-04-30 17:52:57 +000010 store i8 0, i8* inttoptr (i64 1 to i8*), align 1
David Blaikiea79ac142015-02-27 21:17:42 +000011 %0 = load i8, i8* @a, align 1
Nadav Rotem40e45ee2013-01-13 07:56:29 +000012 br label %for.body
13
14for.body:
15 %mul16 = phi i8 [ 0, %scalar.ph ], [ %mul, %for.body ] ; <------- i8 induction var.
16 %c.015 = phi i8 [ undef, %scalar.ph ], [ %conv8, %for.body ]
17 %conv2 = sext i8 %c.015 to i32
18 %tobool = icmp ne i8 %c.015, 0
19 %.sink = select i1 %tobool, i8 %c.015, i8 %0
20 %mul = mul i8 %mul16, %.sink
21 %add = add nsw i32 %conv2, 1
22 %conv8 = trunc i32 %add to i8
23 %sext = shl i32 %add, 24
24 %phitmp14 = icmp slt i32 %sext, 268435456
25 br i1 %phitmp14, label %for.body, label %for.end
26
27for.end: ; preds = %for.body
Manman Ren1a5ff282013-04-30 17:52:57 +000028 store i8 %mul, i8* @b, align 1
Nadav Rotem40e45ee2013-01-13 07:56:29 +000029 ret void
30}