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deoptimizations
2011 Nov 22
2
[LLVMdev] Instrumentation passes and -O0 optimization level
...e disabled regardless of the
optimizationlevel.
My proposal is to add a specific extension point to preserve a
passeven if O0 is used (below is the usage example with
theAddressSanitizer pass)Another solution would be to introduce a
passattribute which tells whether the pass should be preserved if
theoptimizations are disabled, but this will require some refactoring
ofthe PassManagerBuilder class.
What do you think of the following patch?
-------------------------8<--------------------------------------------------Index:
include/llvm/Transforms/IPO/PassManagerBuilder.h==================================...