llvm-project

dbae7176 - Reapply "[llvm]Add a simple Telemetry framework" (#120769) (#121003)

Reapply "[llvm]Add a simple Telemetry framework" (#120769) (#121003) This reverts commit 2ec6174bef4bc9ef3d5cedbffd7169017c9669c3. New changes: - Use explicit overloads of write(<int types>) - Fix link error due to missing dependency (lib/Support) - Updated tests and docs