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
26
27
28
29
30
31
32
33
34
35
36
|
; RUN: llc -o - %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,NORMAL
; RUN: llc -o - %s -mtriple=x86_64-windows-msvc | FileCheck %s --check-prefixes=CHECK,NORMAL
; RUN: llc -o - %s -mtriple=x86_64-scei-ps4 | FileCheck %s --check-prefixes=CHECK,TRAP_AFTER_NORETURN
; RUN: llc -o - %s -mtriple=x86_64-apple-darwin | FileCheck %s --check-prefixes=CHECK,NO_TRAP_AFTER_NORETURN
; CHECK-LABEL: call_exit:
; CHECK: callq {{_?}}exit
; TRAP_AFTER_NORETURN: ud2
; NO_TRAP_AFTER_NORETURN-NOT: ud2
; NORMAL-NOT: ud2
define i32 @call_exit() noreturn nounwind {
tail call void @exit(i32 0)
unreachable
}
; CHECK-LABEL: trap:
; CHECK: ud2
; TRAP_AFTER_NORETURN: ud2
; NO_TRAP_AFTER_NORETURN-NOT: ud2
; NORMAL-NOT: ud2
define i32 @trap() noreturn nounwind {
tail call void @llvm.trap()
unreachable
}
; CHECK-LABEL: unreachable:
; TRAP_AFTER_NORETURN: ud2
; NO_TRAP_AFTER_NORETURN: ud2
; NORMAL-NOT: ud2
; NORMAL: # -- End function
define i32 @unreachable() noreturn nounwind {
unreachable
}
declare void @llvm.trap() nounwind noreturn
declare void @exit(i32 %rc) nounwind noreturn
|
