[llvm-branch-commits] [llvm] [llvm-profgen] Extend llvm-profgen to generate vtable profiles with data access events. (PR #148013)

[Mingming Liu via llvm-branch-commits]

mingmingl-llvm wrote:

> A couple of requests regarding testing --
> 
> 1. I think the current dap.bin is non-PIE, can you add a PIE variant test case too?
> 2. Can you trim the lbr-perf-for-dap.script test input to preserve only whats needed for a minimal test. I think a lot of the samples are repeated and we can just test for a lower count.

done! It took me sometime to find a good time to tune the profiling period for a non-PIE binary without over-heating the machine, and now sampling at 1,000,003 is a good number :)

https://github.com/llvm/llvm-project/pull/148013