1; do not replace a 'select' with 'or' in 'select - cmp - br' sequence
2; RUN: opt -instcombine -S < %s | FileCheck %s
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6declare void @f(i32)
7
8define void @test(i32 %len) {
9entry:
10  %cmp = icmp ult i32 %len, 8
11  %cond = select i1 %cmp, i32 %len, i32 8
12  %cmp11 = icmp ult i32 0, %cond
13  br i1 %cmp11, label %for.body, label %for.end
14
15for.body:                                         ; preds = %entry, %for.body
16  %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
17  tail call void @f(i32 %cond)
18  %inc = add i32 %i.02, 1
19  %cmp1 = icmp ult i32 %inc, %cond
20  br i1 %cmp1, label %for.body, label %for.end
21
22for.end:                                          ; preds = %for.body, %entry
23  ret void
24; CHECK: select
25}
26