1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -function-specialization -force-function-specialization -S < %s | FileCheck %s
3
4; Check that we don't crash and specialise on a poison value.
5
6%struct.quux = type { i16 }
7%struct.spam = type { i16 }
8
9@global.12 = external global %struct.quux, align 1
10
11define internal i16 @wobble(%struct.spam* byval(%struct.spam) %arg2) {
12; CHECK-LABEL: @wobble(
13; CHECK-NEXT:  bb:
14; CHECK-NEXT:    [[C:%.*]] = bitcast %struct.spam* [[ARG2:%.*]] to i16*
15; CHECK-NEXT:    unreachable
16;
17bb:
18  %C = bitcast %struct.spam* %arg2 to i16*
19  unreachable
20}
21
22define internal i16 @snork() {
23; CHECK-LABEL: @snork(
24; CHECK-NEXT:  bb4:
25; CHECK-NEXT:    [[B:%.*]] = call i16 @wobble(%struct.spam* poison)
26; CHECK-NEXT:    unreachable
27;
28bb4:
29  %B = call i16 @wobble(%struct.spam* poison)
30  unreachable
31}
32
33define i16 @main() {
34; CHECK-LABEL: @main(
35; CHECK-NEXT:  bb:
36; CHECK-NEXT:    [[A:%.*]] = call i16 @snork()
37; CHECK-NEXT:    unreachable
38;
39bb:
40  %A = call i16 @snork()
41  unreachable
42}
43