xref: /llvm-project/llvm/test/Analysis/ScalarEvolution/2008-08-04-IVOverflow.ll (revision 50153213c80286c6c91da4612aaf234cc6438c63)
1; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | FileCheck %s
2; PR2621
3
4define i32 @a() nounwind  {
5entry:
6	br label %bb1
7
8bb:
9	trunc i32 %i.0 to i16
10	add i16 %0, %x16.0
11	add i32 %i.0, 1
12	br label %bb1
13
14bb1:
15	%i.0 = phi i32 [ 0, %entry ], [ %2, %bb ]
16	%x16.0 = phi i16 [ 0, %entry ], [ %1, %bb ]
17	icmp ult i32 %i.0, 888888
18	br i1 %3, label %bb, label %bb2
19
20bb2:
21	zext i16 %x16.0 to i32
22	ret i32 %4
23}
24
25; CHECK: Exits: 20028
26
27