xref: /llvm-project/llvm/test/Transforms/SimplifyCFG/lifetime-landingpad.ll (revision fbcefff9d0a3f5e97270ef8e7b8e0f2afc33dc1c)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
2; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
3
4define void @foo() personality ptr @__gxx_personality_v0 {
5; CHECK-LABEL: @foo(
6; CHECK-NEXT:  entry:
7; CHECK-NEXT:    [[A:%.*]] = alloca i8, align 1
8; CHECK-NEXT:    call void @llvm.lifetime.start.p0(i64 1, ptr nonnull [[A]]) #[[ATTR1:[0-9]+]]
9; CHECK-NEXT:    call void @bar()
10; CHECK-NEXT:    call void @llvm.lifetime.end.p0(i64 1, ptr nonnull [[A]]) #[[ATTR1]]
11; CHECK-NEXT:    ret void
12;
13entry:
14  %a = alloca i8
15  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %a) nounwind
16  invoke void @bar() to label %invoke.cont unwind label %lpad
17
18invoke.cont:
19  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %a) nounwind
20  ret void
21
22lpad:
23  %b = landingpad { ptr, i32 }
24  cleanup
25  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %a) nounwind
26  resume { ptr, i32 } %b
27}
28
29declare void @bar()
30
31declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) nounwind
32
33declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) nounwind
34
35declare i32 @__gxx_personality_v0(...)
36;.
37; CHECK: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
38; CHECK: attributes #[[ATTR1]] = { nounwind }
39;.
40