File: unreachable-ubsantrap.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 1,169 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
; RUN: llc -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
; RUN: llc -global-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
; RUN: llc -fast-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK
; RUN: llc --trap-unreachable -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE
; RUN: llc --trap-unreachable -global-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE
; RUN: llc --trap-unreachable -fast-isel -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,TRAP_UNREACHABLE

; CHECK-LABEL: ubsantrap:
; CHECK:         ud1l 12(%eax), %eax
; CHECK-NOT:     ud2
define i32 @ubsantrap() noreturn nounwind {
  call void @llvm.ubsantrap(i8 12)
  unreachable
}

; CHECK-LABEL:      ubsantrap_fn_attr:
; CHECK:              callq {{_?}}ubsantrap_func
; TRAP_UNREACHABLE:   ud2
; CHECK-NOT:          ud2
define i32 @ubsantrap_fn_attr() noreturn nounwind {
  call void @llvm.ubsantrap(i8 12) "trap-func-name"="ubsantrap_func"
  unreachable
}

declare void @llvm.ubsantrap(i8) cold noreturn nounwind