xref: /llvm-project/llvm/test/CodeGen/Generic/donothing.ll (revision 0e8bd5a44a1bd8034706189b49a7a816c59304cd)
1; RUN: llc < %s | FileCheck %s
2
3declare i32 @__gxx_personality_v0(...) addrspace(0)
4declare void @__cxa_call_unexpected(ptr)
5declare void @llvm.donothing() readnone
6
7; CHECK: f1
8define void @f1() nounwind uwtable ssp personality ptr @__gxx_personality_v0 {
9entry:
10; CHECK-NOT: donothing
11  invoke void @llvm.donothing()
12  to label %invoke.cont unwind label %lpad
13
14invoke.cont:
15  ret void
16
17lpad:
18  %0 = landingpad { ptr, i32 }
19          filter [0 x ptr] zeroinitializer
20  %1 = extractvalue { ptr, i32 } %0, 0
21  tail call void @__cxa_call_unexpected(ptr %1) noreturn nounwind
22  unreachable
23}
24
25; CHECK: f2
26define void @f2() nounwind {
27entry:
28; CHECK-NOT: donothing
29  call void @llvm.donothing()
30  ret void
31}
32