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 constant expression.
5
6%struct.pluto = type { %struct.spam }
7%struct.quux = type { i16 }
8%struct.spam = type { i16 }
9
10@global.5 = external dso_local global [4 x %struct.pluto], align 1
11@global.12 = external global %struct.quux, align 1
12
13define internal i16 @wobble.972(%struct.quux* byval(%struct.quux) align 1 %arg, i16 %arg1, %struct.spam* byval(%struct.spam) align 1 %arg2, %struct.quux* byval(%struct.quux) align 1 %arg3) #4 {
14; CHECK-LABEL: @wobble.972(
15; CHECK-NEXT:  bb:
16; CHECK-NEXT:    [[TMP34:%.*]] = bitcast %struct.spam* [[ARG2:%.*]] to i16*
17; CHECK-NEXT:    unreachable
18;
19bb:
20  %tmp34 = bitcast %struct.spam* %arg2 to i16*
21  unreachable
22}
23
24define internal i16 @snork() {
25; CHECK-LABEL: @snork(
26; CHECK-NEXT:  bb4:
27; CHECK-NEXT:    [[TMP:%.*]] = call i16 @wobble.972(%struct.quux* byval([[STRUCT_QUUX:%.*]]) align 1 undef, i16 undef, %struct.spam* byval([[STRUCT_SPAM:%.*]]) align 1 getelementptr inbounds ([4 x %struct.pluto], [4 x %struct.pluto]* @global.5, i32 0, i32 3, i32 0), %struct.quux* byval([[STRUCT_QUUX]]) align 1 @global.12)
28; CHECK-NEXT:    unreachable
29;
30bb4:
31  %tmp = call i16 @wobble.972(%struct.quux* byval(%struct.quux) align 1 undef, i16 undef, %struct.spam* byval(%struct.spam) align 1 getelementptr inbounds ([4 x %struct.pluto], [4 x %struct.pluto]* @global.5, i32 0, i32 3, i32 0), %struct.quux* byval(%struct.quux) align 1 @global.12)
32  unreachable
33}
34
35define i16 @main() {
36; CHECK-LABEL: @main(
37; CHECK-NEXT:  bb:
38; CHECK-NEXT:    [[TMP:%.*]] = call i16 @snork()
39; CHECK-NEXT:    unreachable
40;
41bb:
42  %tmp = call i16 @snork()
43  unreachable
44}
45