xref: /llvm-project/llvm/test/tools/llvm-reduce/remove-bbs-unwinded-to.ll (revision f02bc70c7d53e5898abddc83f249ef28b8b4b9b6)
1; RUN: llvm-reduce -abort-on-invalid-reduction --delta-passes=basic-blocks --test FileCheck --test-arg --check-prefixes=CHECK-ALL,CHECK-INTERESTINGNESS0 --test-arg %s --test-arg --input-file %s -o %t.0
2; RUN: FileCheck --check-prefixes=CHECK-ALL,CHECK-FINAL0 %s < %t.0
3
4; RUN: llvm-reduce -abort-on-invalid-reduction --delta-passes=basic-blocks --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS1 --test-arg %s --test-arg --input-file %s -o %t.1
5; RUN: FileCheck --check-prefixes=CHECK-ALL,CHECK-FINAL1 %s < %t.1
6
7declare i32 @maybe_throwing_callee()
8
9; CHECK-ALL: declare void @did_not_throw(i32)
10declare void @did_not_throw(i32)
11
12declare void @thrown()
13
14; CHECK-ALL: define void @caller()
15define void @caller() personality ptr @__gxx_personality_v0 {
16; CHECK-ALL: bb:
17; CHECK-FINAL1-NEXT: br label %bb1
18bb:
19; CHECK-INTERESTINGNESS0: label %bb3
20; CHECK-FINAL0: br label %bb3
21  %i0 = invoke i32 @maybe_throwing_callee()
22          to label %bb3 unwind label %bb1
23
24bb1:
25  landingpad { ptr, i32 } catch ptr null
26; CHECK-INTERESTINGNESS1: call void @thrown()
27
28; CHECK-FINAL1: bb1:
29; CHECK-FINAL1-NEXT: call void @thrown()
30; CHECK-FINAL1-NEXT: ret void
31  call void @thrown()
32  br label %bb4
33
34; CHECK-INTERESTINGNESS0: bb3:
35; CHECK-FINAL0: bb3:
36bb3:
37; CHECK-INTERESTINGNESS0: call void @did_not_throw(i32
38; CHECK-INTERESTINGNESS0: br label %bb4
39
40; CHECK-FINAL0: call void @did_not_throw(i32 0)
41; CHECK-FINAL0: br label %bb4
42
43  call void @did_not_throw(i32 %i0)
44  br label %bb4
45
46; RESULT0: bb4:
47; RESULT0-NEXT: ret void
48
49; CHECK-INTERESTINGNESS0: bb4:
50; CHECK-INTERESTINGNESS0-NEXT: ret void
51bb4:
52  ret void
53}
54
55
56declare i32 @__gxx_personality_v0(...)
57