llvm-project/llvm/test/Transforms/ObjCARC/weak-contract.ll

15 lines
363 B
LLVM

; RUN: opt -objc-arc-contract -S < %s | FileCheck %s
declare i8* @objc_initWeak(i8**, i8*)
; Convert objc_initWeak(p, null) to *p = null.
; CHECK: define i8* @test0(i8** %p) {
; CHECK-NEXT: store i8* null, i8** %p
; CHECK-NEXT: ret i8* null
; CHECK-NEXT: }
define i8* @test0(i8** %p) {
%t = call i8* @objc_initWeak(i8** %p, i8* null)
ret i8* %t
}