tree ca8d64bccd9742ad292fd15406618e705374ef84
parent a7ba73bf614f6d147bd1cdaddee156bd85e31703
author William Junda Huang <williamjhuang@google.com> 1724891634 -0400
committer GitHub <noreply@github.com> 1724891634 -0400
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[llvm-profdata] Enabled functionality to write split-layout profile (#101795)

Using the flag `-split_layout` in llvm-profdata merge, the output
profile can write profiles with and without inlined function into two
different extbinary sections (and their FuncOffsetTable too). The
section without inlined functions are marked with `SecFlagFlat` and is
skipped by ThinLTO because it provides no useful info.

The split layout feature was already implemented in SampleProfWriter but
previously there is no way to use it from llvm-profdata.