|  | ; RUN: llc -mtriple=armv7-apple-ios -O0 < %s | FileCheck %s | 
|  | ; RUN: llc -mtriple=armv7-apple-ios -O1 < %s | FileCheck %s | 
|  | ; RUN: llc -mtriple=armv7-apple-ios -O2 < %s | FileCheck %s | 
|  | ; RUN: llc -mtriple=armv7-apple-ios -O3 < %s | FileCheck %s | 
|  | ; RUN: llc -mtriple=armv7-apple-watchos -O3 < %s | FileCheck %s | 
|  | ; RUN: llc -mtriple=armv7k-apple-ios < %s | FileCheck %s --check-prefix=CHECK-WATCH | 
|  | ; RUN: llc -mtriple=armv7-linux -exception-model sjlj -O3 < %s | FileCheck %s --check-prefix=CHECK-LINUX | 
|  |  | 
|  | ; SjLjEHPrepare shouldn't crash when lowering empty structs. | 
|  | ; | 
|  | ; Checks that between in case of empty structs used as arguments | 
|  | ; nothing happens, i.e. there are no instructions between | 
|  | ; __Unwind_SjLj_Register and actual @bar invocation | 
|  |  | 
|  |  | 
|  | define i8* @foo(i8 %a, {} %c) personality i8* bitcast (i32 (...)* @baz to i8*) { | 
|  | entry: | 
|  | ; CHECK: bl __Unwind_SjLj_Register | 
|  | ; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}: | 
|  | ; CHECK-NEXT: bl _bar | 
|  | ; CHECK: bl __Unwind_SjLj_Resume | 
|  |  | 
|  | ; CHECK-LINUX: bl _Unwind_SjLj_Register | 
|  | ; CHECK-LINUX-NEXT: .{{[A-Z][a-zA-Z0-9]*}}: | 
|  | ; CHECK-LINUX-NEXT: bl bar | 
|  | ; CHECK-LINUX: bl _Unwind_SjLj_Resume | 
|  |  | 
|  | ; CHECK-WATCH-NOT: bl __Unwind_SjLj_Register | 
|  |  | 
|  | invoke void @bar () | 
|  | to label %unreachable unwind label %handler | 
|  |  | 
|  | unreachable: | 
|  | unreachable | 
|  |  | 
|  | handler: | 
|  | %tmp = landingpad { i8*, i32 } | 
|  | cleanup | 
|  | resume { i8*, i32 } undef | 
|  | } | 
|  |  | 
|  | declare void @bar() | 
|  | declare i32 @baz(...) |