File: setjmp.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (29 lines) | stat: -rw-r--r-- 565 bytes parent folder | download | duplicates (14) 
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
 
; RUN: opt < %s -passes=tailcallelim -verify-dom-info -S | FileCheck %s

; Test that we don't tail call in a functions that calls returns_twice
; functions.

declare void @bar()

; CHECK: foo1
; CHECK-NOT: tail call void @bar()

define void @foo1(ptr %x) {
bb:
  %tmp75 = tail call i32 @setjmp(ptr %x)
  call void @bar()
  ret void
}

declare i32 @setjmp(ptr) returns_twice

; CHECK: foo2
; CHECK-NOT: tail call void @bar()

define void @foo2(ptr %x) {
bb:
  %tmp75 = tail call i32 @zed2(ptr %x)
  call void @bar()
  ret void
}
declare i32 @zed2(ptr) returns_twice