Displaying 2 results from an estimated 2 matches for "testprofil".
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2016 Mar 11
2
RFC: Pass to prune redundant profiling instrumentation
...t the counter owned by
>> the current function (if the function is proved to be non-recursive in some
>> way) can not be modified by any other calls.
>>
>
> I don't think that's a sufficient explanation. Consider the following
> example:
>
> Sean:~/tmp % cat testprofile.cpp
> int foo(int n) {
> unsigned Ret = 42;
> for (int i = 0; i < n; i++) {
> if (i % 100) {
> Ret += 789;
> } else {
> Ret *= (283 + Ret);
> }
> }
> return Ret;
> }
>
> Sean:~/tmp % ~/pg/release/bin/clang++ -o - -fprofile-i...
2016 Mar 11
3
RFC: Pass to prune redundant profiling instrumentation
On Thu, Mar 10, 2016 at 8:33 PM, Sean Silva via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
>
>
> On Thu, Mar 10, 2016 at 7:21 PM, Vedant Kumar via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>> Hi,
>>
>> I'd like to add a new pass to LLVM which removes redundant profile counter
>> updates. The goal is to speed up code coverage