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
6; SjLjEHPrepare shouldn't crash when lowering empty structs.
7;
8; Checks that between in case of empty structs used as arguments
9; nothing happens, i.e. there are no instructions between
10; __Unwind_SjLj_Register and actual @bar invocation
11
12
13define i8* @foo(i8 %a, {} %c) {
14entry:
15; CHECK: bl __Unwind_SjLj_Register
16; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}:
17; CHECK-NEXT: bl _bar
18  invoke void @bar ()
19    to label %unreachable unwind label %handler
20
21unreachable:
22  unreachable
23
24handler:
25  %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @baz to i8*)
26  cleanup
27  resume { i8*, i32 } undef
28}
29
30declare void @bar()
31declare i32 @baz(...)
32