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Much to my surprise, '-disable-llvm-optzns' which I thought was the
magical flag I wanted to get at the raw LLVM IR coming out of Clang
deosn't do that. It still runs some passes over the IR. I don't want
that, I really want the *raw* IR coming out of Clang and I strongly
suspect everyone else using it is in the same camp.
There is actually a flag that does what I want that I didn't know about
called '-disable-llvm-passes'. I suspect many others don't know about it
either. It both does what I want and is much simpler.
This removes the confusing version and makes that spelling of the flag
an alias for '-disable-llvm-passes'. I've also moved everything in Clang
to use the 'passes' spelling as it seems both more accurate (*all* LLVM
passes are disabled, not just optimizations) and much easier to remember
and spell correctly.
This is part of simplifying how Clang drives LLVM to make it cleaner to
wire up to the new pass manager.
Differential Revision: https://reviews.llvm.org/D28047
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290392 91177308-0d34-0410-b5e6-96231b3b80d8
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ptr in dtor.
Summary:
After destruction, invocation of virtual functions prevented
by poisoning vtable pointer.
Reviewers: eugenis, kcc
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D12712
Fixed testing callback emission order to account for vptr.
Poison vtable in either complete or base dtor, depending on
if virtual bases exist. If virtual bases exist, poison in
complete dtor. Otherwise, poison in base.
Remove commented-out block.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@247762 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Poisoning applied to only class members, and before dtors for base class invoked
Implement poisoning of only class members in dtor, as opposed to also
poisoning fields inherited from base classes. Members are poisoned
only once, by the last dtor for a class. Skip poisoning if class has
no fields.
Verify emitted code for derived class with virtual destructor sanitizes
its members only once.
Removed patch file containing extraneous changes.
Reviewers: eugenis, kcc
Differential Revision: http://reviews.llvm.org/D11951
Simplified test cases for use-after-dtor
Summary: Simplified test cases to focus on one feature at time.
Tests updated to align with new emission order for sanitizing
callback.
Reviewers: eugenis, kcc
Differential Revision: http://reviews.llvm.org/D12003
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@244933 91177308-0d34-0410-b5e6-96231b3b80d8
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also poisoning fields inherited from base classes."
This reverts commit 8dbbf3578a9a5d063232b59e558e5fe46e2cd42c.
Rolled back due to buildbot failures on 'ninja check-clang'.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@244820 91177308-0d34-0410-b5e6-96231b3b80d8
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poisoning fields inherited from base classes.
Verify emitted code for derived class with virtual destructor sanitizes its members only once.
Changed emission order for dtor callback, so only the last dtor for a class emits the sanitizing callback, while ensuring that class members are poisoned before base class destructors are invoked.
Skip poisoning of members, if class has no fields.
Removed patch file containing extraneous changes.
Summary: Poisoning applied to only class members, and before dtors for base class invoked
Reviewers: eugenis, kcc
Differential Revision: http://reviews.llvm.org/D11951
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@244819 91177308-0d34-0410-b5e6-96231b3b80d8
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