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=armv7k-apple-ios < %s | FileCheck %s 6 7 ; SjLjEHPrepare shouldn't crash when lowering empty structs. 8 ; 9 ; Checks that between in case of empty structs used as arguments 10 ; nothing happens, i.e. there are no instructions between 11 ; __Unwind_SjLj_Register and actual @bar invocation 12 13 14 define i8* @foo(i8 %a, {} %c) personality i8* bitcast (i32 (...)* @baz to i8*) { 15 entry: 16 ; CHECK: bl __Unwind_SjLj_Register 17 ; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}: 18 ; CHECK-NEXT: bl _bar 19 invoke void @bar () 20 to label %unreachable unwind label %handler 21 22 unreachable: 23 unreachable 24 25 handler: 26 %tmp = landingpad { i8*, i32 } 27 cleanup 28 resume { i8*, i32 } undef 29 } 30 31 declare void @bar() 32 declare i32 @baz(...) 33