1; RUN: llc -mtriple=armv7-apple-ios -O0 < %s | FileCheck %s
2; RUN: llc -mtriple=armv7-apple-ios -O1 < %s | FileCheck %s
3; RUN: llc -mtriple=armv7-apple-ios -O2 < %s | FileCheck %s
4; RUN: llc -mtriple=armv7-apple-ios -O3 < %s | FileCheck %s
5; RUN: llc -mtriple=armv7-apple-watchos -O3 < %s | FileCheck %s
6; RUN: llc -mtriple=armv7k-apple-ios < %s | FileCheck %s --check-prefix=CHECK-WATCH
7; RUN: llc -mtriple=armv7-linux -exception-model sjlj -O3 < %s | FileCheck %s --check-prefix=CHECK-LINUX
8
9; SjLjEHPrepare shouldn't crash when lowering empty structs.
10;
11; Checks that between in case of empty structs used as arguments
12; nothing happens, i.e. there are no instructions between
13; __Unwind_SjLj_Register and actual @bar invocation
14
15
16define i8* @foo(i8 %a, {} %c) personality i8* bitcast (i32 (...)* @baz to i8*) {
17entry:
18; CHECK: bl __Unwind_SjLj_Register
19; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}:
20; CHECK-NEXT: bl _bar
21; CHECK: bl __Unwind_SjLj_Resume
22
23; CHECK-LINUX: bl _Unwind_SjLj_Register
24; CHECK-LINUX-NEXT: .{{[A-Z][a-zA-Z0-9]*}}:
25; CHECK-LINUX-NEXT: bl bar
26; CHECK-LINUX: bl _Unwind_SjLj_Resume
27
28; CHECK-WATCH-NOT: bl __Unwind_SjLj_Register
29
30  invoke void @bar ()
31    to label %unreachable unwind label %handler
32
33unreachable:
34  unreachable
35
36handler:
37  %tmp = landingpad { i8*, i32 }
38  cleanup
39  resume { i8*, i32 } undef
40}
41
42declare void @bar()
43declare i32 @baz(...)
44