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Mirror of https://github.com/RPCS3/llvm-mirror
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Summary: This transformation is correct for a builtin call to 'free(p)', but not for 'operator delete(p)'. There is no guarantee that a user replacement 'operator delete' has no effect when called on a null pointer. However, the principle behind the transformation *is* correct, and can be applied more broadly: a 'delete p' expression is permitted to unconditionally call 'operator delete(p)'. So do that in Clang under -Oz where possible. We do this whether or not 'p' has trivial destruction, since the destruction might turn out to be trivial after inlining, and even for a class-specific (but non-virtual, non-destroying, non-array) 'operator delete'. Reviewers: davide, dnsampaio, rjmccall Reviewed By: dnsampaio Subscribers: hiraditya, cfe-commits, llvm-commits Tags: #clang, #llvm Differential Revision: https://reviews.llvm.org/D79378 |
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| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| README.txt | ||
| RELEASE_TESTERS.TXT | ||
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