File: weak-contract.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (14 lines) | stat: -rw-r--r-- 375 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: opt -passes=objc-arc-contract -S < %s | FileCheck %s

declare ptr @llvm.objc.initWeak(ptr, ptr)

; Convert objc_initWeak(p, null) to *p = null.

; CHECK:      define ptr @test0(ptr %p) {
; CHECK-NEXT:   store ptr null, ptr %p
; CHECK-NEXT:   ret ptr null
; CHECK-NEXT: }
define ptr @test0(ptr %p) {
  %t = call ptr @llvm.objc.initWeak(ptr %p, ptr null)
  ret ptr %t
}