[LLVMdev] regarding llvm compiler and profiler

[patel rajendra]

Dear All,

I'm a new bee in using LLVM environment.
I have certain doubts in using compiler and profiler. Please, someone explain how and why it is so?

compiler:     What is the default optimization level in llvm-gcc?

profiler:       1. During basic block profiling why all functions are not listed.
                     2. In function execution frequencies, why only 6 functions are listed?
                     3. There is no information about main() function in profiling many of the applications. Why is it so?

With Thanks,

 
R.D.PATEL
Research Scholar,E.C.E. Department
MANIT, Bhopal
M:(91)8085090402, H:(91)8602677554
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