1; RUN: opt < %s -indvars -S | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"
4target triple = "x86_64-unknown-linux-gnu"
5
6declare void @foo(i64)
7
8; CHECK-LABEL: @test
9define void @test(i64 %a) {
10entry:
11  br label %outer_header
12
13outer_header:
14  %i = phi i64 [20, %entry], [%i.next, %outer_latch]
15  %i.next = add nuw nsw i64 %i, 1
16  br label %inner_header
17
18inner_header:
19  %j = phi i64 [1, %outer_header], [%j.next, %inner_header]
20  %cmp = icmp ult i64 %j, %i.next
21; CHECK-NOT: select
22  %s = select i1 %cmp, i64 %j, i64 %i
23; CHECK: call void @foo(i64 %j)
24  call void @foo(i64 %s)
25  %j.next = add nuw nsw i64 %j, 1
26  %cond = icmp ult i64 %j, %i
27  br i1 %cond, label %inner_header, label %outer_latch
28
29outer_latch:
30  %cond2 = icmp ne i64 %i.next, 40
31  br i1 %cond2, label %outer_header, label %return
32
33return:
34  ret void
35}
36