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f6c9646a94
We're moving ARC optimisation and ARC emission in clang away from runtime methods and towards intrinsics. This is the part which actually uses the intrinsics in the ARC optimizer when both analyzing the existing calls and emitting new ones. Differential Revision: https://reviews.llvm.org/D55348 Reviewers: ahatanak llvm-svn: 349534
22 lines
608 B
LLVM
22 lines
608 B
LLVM
; RUN: opt -disable-output -objc-arc-contract < %s
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; test that we don't crash on unreachable code
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%2 = type opaque
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define void @_i_Test__foo(%2 *%x) {
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entry:
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unreachable
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return: ; No predecessors!
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%bar = bitcast %2* %x to i8*
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%foo = call i8* @llvm.objc.autoreleaseReturnValue(i8* %bar) nounwind
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call void @callee()
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call void @use_pointer(i8* %foo)
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call void @llvm.objc.release(i8* %foo) nounwind
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ret void
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}
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declare i8* @llvm.objc.autoreleaseReturnValue(i8*)
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declare void @llvm.objc.release(i8*)
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declare void @callee()
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declare void @use_pointer(i8*)
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