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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
31 lines
916 B
LLVM
31 lines
916 B
LLVM
; 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* @llvm.objc.retainAutoreleasedReturnValue(i8* %call)
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%retained1 = call i8* @llvm.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* @llvm.objc.retain(i8* %retained1)
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%retained2 = call i8* @llvm.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* @llvm.objc.retain(i8*)
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