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A comment on What Challenges and Trade-Offs Do Optimising Compilers Face?. Parent comment

Re:What Challenges and Trade-Offs Do Optimising Compilers Face? by Joky on Thursday June 22, 2017 @09:49PM (#14616640)
> Do compilers really make use of the profile timings to decide to spend more time optimising 'hot' parts of the code with more involved/expensive transformations?

Clang does not AFAIK.

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