dalibocai
Reputation: 2347
Where to find the optimization sequence for clang -OX?
Where can I find the sequence of optimizations used by clang according to -OX?
Upvotes: 9
Views: 12444
Answers (1)
Anton Korobeynikov
Reputation: 9324
clang executes the precisely same sequence of passes as opt -ON. So, you can do something like
llvm-as < /dev/null | opt -O3 -disable-output -debug-pass=Arguments
to derive the "full" set of passes which are run at O3.
Upvotes: 17
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