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 8; SjLjEHPrepare shouldn't crash when lowering empty structs. 9; 10; Checks that between in case of empty structs used as arguments 11; nothing happens, i.e. there are no instructions between 12; __Unwind_SjLj_Register and actual @bar invocation 13 14 15define i8* @foo(i8 %a, {} %c) personality i8* bitcast (i32 (...)* @baz to i8*) { 16entry: 17; CHECK: bl __Unwind_SjLj_Register 18; CHECK-NEXT: {{[A-Z][a-zA-Z0-9]*}}: 19; CHECK-NEXT: bl _bar 20 21; CHECK-WATCH-NOT: bl __Unwind_SjLj_Register 22 23 invoke void @bar () 24 to label %unreachable unwind label %handler 25 26unreachable: 27 unreachable 28 29handler: 30 %tmp = landingpad { i8*, i32 } 31 cleanup 32 resume { i8*, i32 } undef 33} 34 35declare void @bar() 36declare i32 @baz(...) 37