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1141858
2016 May 25
2
The state of IRPGO (3 remaining work items)
It sounds to me we are likely to converge on the following:
1) Making IR/llvm based PGO the default;
2) Enhance -fcoverage-mapping such that it automatically turns on FE based
instrumentation
3) if -fcoverage-mapping is used together with -fprofile-instr-generate,
-fcoverage-mapping serves as a switch to turn on FE based instrumetnation
All the above are transparent to users.
The following are