File: ps4-noreturn.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (39 lines) | stat: -rw-r--r-- 976 bytes parent folder | download | duplicates (15) 
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
37
38
39
 
; RUN: llc < %s -mtriple=x86_64-scei-ps4 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-sie-ps5  | FileCheck %s

declare i32 @personality(...)

; Check that after the (implicitly noreturn) unwind call, there is
; another instruction. It was easy to produce 'ud2' so we check for that.
define void @foo1() personality ptr @personality {
; CHECK-LABEL: foo1:
; CHECK: .cfi_startproc
; CHECK: callq bar
; CHECK: retq
; Check for 'ud2' between noreturn call and function end.
; CHECK: callq _Unwind_Resume
; CHECK-NEXT: ud2
; CHECK-NEXT: .Lfunc_end0:
    invoke void @bar()
        to label %normal
        unwind label %catch
normal:
    ret void
catch:
    %1 = landingpad { ptr, i32 } cleanup
    resume { ptr, i32 } %1
}

declare void @bar() #0

; Similar check after an explicit noreturn call.
define void @foo2() {
; CHECK-LABEL: foo2:
; CHECK: callq bar
; CHECK-NEXT: ud2
; CHECK-NEXT: .Lfunc_end1:
    tail call void @bar()
    unreachable
}

attributes #0 = { noreturn }