xref: /llvm-project/llvm/test/CodeGen/X86/unreachable-ubsantrap.ll (revision 23db37c51cd3dcdcf069345aa7fab7d84b6f6f6e) 
1; RUN: llc -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
2; RUN: llc -global-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
3; RUN: llc -fast-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
4; RUN: llc --trap-unreachable -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE
5; RUN: llc --trap-unreachable -global-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE
6; RUN: llc --trap-unreachable -fast-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE
7
8; CHECK-LABEL: ubsantrap:
9; CHECK:         ud1l 12(%eax), %eax
10; CHECK-NOT:     ud2
11define i32 @ubsantrap() noreturn nounwind {
12  call void @llvm.ubsantrap(i8 12)
13  unreachable
14}
15
16; CHECK-LABEL:      ubsantrap_fn_attr:
17; CHECK:              callq {{_?}}ubsantrap_func
18; TRAP_UNREACHABLE:   ud2
19; CHECK-NOT:          ud2
20define i32 @ubsantrap_fn_attr() noreturn nounwind {
21  call void @llvm.ubsantrap(i8 12) "trap-func-name"="ubsantrap_func"
22  unreachable
23}
24
25declare void @llvm.ubsantrap(i8) cold noreturn nounwind
26