1; RUN: llc -o - %s -mtriple=x86_64-windows-msvc | FileCheck %s --check-prefixes=CHECK,TRAP_AFTER_NORETURN 2; RUN: llc -o - %s -mtriple=x86_64-apple-darwin | FileCheck %s --check-prefixes=CHECK,NO_TRAP_AFTER_NORETURN 3 4; CHECK-LABEL: call_exit: 5; CHECK: callq {{_?}}exit 6; TRAP_AFTER_NORETURN: ud2 7; NO_TRAP_AFTER_NORETURN-NOT: ud2 8define i32 @call_exit() noreturn nounwind { 9 tail call void @exit(i32 0) 10 unreachable 11} 12 13; CHECK-LABEL: trap: 14; CHECK: ud2 15; TRAP_AFTER_NORETURN: ud2 16; NO_TRAP_AFTER_NORETURN-NOT: ud2 17define i32 @trap() noreturn nounwind { 18 tail call void @llvm.trap() 19 unreachable 20} 21 22; CHECK-LABEL: unreachable: 23; CHECK: ud2 24define i32 @unreachable() noreturn nounwind { 25 unreachable 26} 27 28declare void @llvm.trap() nounwind noreturn 29declare void @exit(i32 %rc) nounwind noreturn 30