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https://github.com/c64scene-ar/llvm-6502.git
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9fbd318d36
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
956 B
LLVM
26 lines
956 B
LLVM
; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
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; Test that the optimizer can create an objc_retainAutoreleaseReturnValue
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; declaration even if no objc_retain declaration exists.
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; rdar://9401303
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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declare i8* @objc_unretainedObject(i8*)
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declare i8* @objc_retainAutoreleasedReturnValue(i8*)
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declare i8* @objc_autoreleaseReturnValue(i8*)
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; CHECK: define i8* @foo(i8* %p) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleaseReturnValue(i8* %p) nounwind
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; CHECK-NEXT: ret i8* %0
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; CHECK-NEXT: }
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define i8* @foo(i8* %p) {
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entry:
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%call = tail call i8* @objc_unretainedObject(i8* %p)
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%0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %call) nounwind
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%1 = tail call i8* @objc_autoreleaseReturnValue(i8* %0) nounwind
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ret i8* %1
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}
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