tree 879f98131f04d63fd19e8eb9705acccb49ee7b46
parent df3e3050ef26292a8c7d2d16b073588eba28db6c
author Michael J. Spencer <bigcheesegs@gmail.com> 1538439435 +0000
committer Michael J. Spencer <bigcheesegs@gmail.com> 1538439435 +0000

[ELF] Read the call graph profile from object files.

This uses the call graph profile embedded in the object files to construct the call graph.

This is read from a SHT_LLVM_CALL_GRAPH_PROFILE (0x6fff4c02) section as (uint32_t, uint32_t, uint64_t) tuples as (from symbol index, to symbol index, weight).

Differential Revision: https://reviews.llvm.org/D45850

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@343552 91177308-0d34-0410-b5e6-96231b3b80d8