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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
Import upstream version 3.7~+rc2

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test/Transforms/ObjCARC/contract-end-of-use-list.ll
 
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; RUN: opt -S < %s -objc-arc-expand -objc-arc-contract | FileCheck %s
 
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; Don't crash.  Reproducer for a use_iterator bug from r203364.
 
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; rdar://problem/16333235
 
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
 
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target triple = "x86_64-apple-darwin13.2.0"
 
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%struct = type { i8*, i8* }
 
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; CHECK-LABEL: @foo() {
 
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define internal i8* @foo() {
 
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entry:
 
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  %call = call i8* @bar()
 
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; CHECK: %retained1 = call i8* @objc_retainAutoreleasedReturnValue(i8* %call)
 
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  %retained1 = call i8* @objc_retain(i8* %call)
 
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  %isnull = icmp eq i8* %retained1, null
 
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  br i1 %isnull, label %cleanup, label %if.end
 
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if.end:
 
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; CHECK: %retained2 = call i8* @objc_retain(i8* %retained1)
 
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  %retained2 = call i8* @objc_retain(i8* %retained1)
 
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  br label %cleanup
 
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cleanup:
 
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  %retval = phi i8* [ %retained2, %if.end ], [ null, %entry ]
 
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  ret i8* %retval
 
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}
 
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declare i8* @bar()
 
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declare extern_weak i8* @objc_retain(i8*)