[compiler-rt] r178238 - [Sanitizer] Minor enhancements in InternalVector container

Alexey Samsonov samsonov at google.com
Fri Mar 29 01:06:36 PDT 2013


r178336


On Fri, Mar 29, 2013 at 11:12 AM, Kostya Serebryany <kcc at google.com> wrote:

> I don't like DCHECKs -- they cause us to have two build configs.
> In tsan we have to, because some parts of the tsan runtime are extremely
> performance critical.
> in asan, there is nothing that critical to force us to use DCHECKs. At
> least I am not convinced.
>
> --kcc
>
>
> On Fri, Mar 29, 2013 at 10:47 AM, Alexey Samsonov <samsonov at google.com>wrote:
>
>>
>> On Thu, Mar 28, 2013 at 8:38 PM, Alexander Potapenko <glider at google.com>wrote:
>>
>>> Which configuration enables DCHECKs? Are they enabled on our bots? If
>>> not, they're almost useless and may rot soon.
>>>
>>
>> I understand your concern... DCHECK's are enabled in debug TSan builds
>> (which run tests from tsan and sanitizer_common).
>> But we may extend this to all sanitizer_tools to be safer.
>>
>>
>>>
>>> On Thu, Mar 28, 2013 at 7:37 PM, Alexey Samsonov <samsonov at google.com>
>>> wrote:
>>> > Author: samsonov
>>> > Date: Thu Mar 28 10:37:11 2013
>>> > New Revision: 178238
>>> >
>>> > URL: http://llvm.org/viewvc/llvm-project?rev=178238&view=rev
>>> > Log:
>>> > [Sanitizer] Minor enhancements in InternalVector container
>>> >
>>> > Modified:
>>> >     compiler-rt/trunk/lib/sanitizer_common/sanitizer_common.h
>>> >
>>> > Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_common.h
>>> > URL:
>>> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_common.h?rev=178238&r1=178237&r2=178238&view=diff
>>> >
>>> ==============================================================================
>>> > --- compiler-rt/trunk/lib/sanitizer_common/sanitizer_common.h
>>> (original)
>>> > +++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_common.h Thu Mar
>>> 28 10:37:11 2013
>>> > @@ -282,7 +282,11 @@ class InternalVector {
>>> >      UnmapOrDie(data_, capacity_ * sizeof(T));
>>> >    }
>>> >    T &operator[](uptr i) {
>>> > -    CHECK_LT(i, size_);
>>> > +    DCHECK_LT(i, size_);
>>> > +    return data_[i];
>>> > +  }
>>> > +  const T &operator[](uptr i) const {
>>> > +    DCHECK_LT(i, size_);
>>> >      return data_[i];
>>> >    }
>>> >    void push_back(const T &element) {
>>> > @@ -301,7 +305,7 @@ class InternalVector {
>>> >      CHECK_GT(size_, 0);
>>> >      size_--;
>>> >    }
>>> > -  uptr size() {
>>> > +  uptr size() const {
>>> >      return size_;
>>> >    }
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > llvm-commits mailing list
>>> > llvm-commits at cs.uiuc.edu
>>> > http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>>
>>>
>>>
>>> --
>>> Alexander Potapenko
>>> Software Engineer
>>> Google Moscow
>>>
>>
>>
>>
>> --
>> Alexey Samsonov, MSK
>>
>> _______________________________________________
>> llvm-commits mailing list
>> llvm-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>>
>>
>


-- 
Alexey Samsonov, MSK
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