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6e4a97dfce
The experiments can be used to evaluate potential optimizations that remove instrumentation (assess false negatives). Instead of completely removing some instrumentation, you set Exp to a non-zero value (mask of optimization experiments that want to remove instrumentation of this instruction). If Exp is non-zero, this pass will emit special calls into runtime (e.g. __asan_report_exp_load1 instead of __asan_report_load1). These calls make runtime terminate the program in a special way (with a different exit status). Then you run the new compiler on a buggy corpus, collect the special terminations (ideally, you don't see them at all -- no false negatives) and make the decision on the optimization. The exact reaction to experiments in runtime is not implemented in this patch. It will be defined and implemented in a subsequent patch. http://reviews.llvm.org/D8198 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232502 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| X86 | ||
| adaptive_global_redzones.ll | ||
| asan-vs-gvn.ll | ||
| basic.ll | ||
| debug_info.ll | ||
| do-not-instrument-cstring.ll | ||
| do-not-instrument-internal-globals.ll | ||
| do-not-instrument-llvm-metadata.ll | ||
| do-not-instrument-promotable-allocas.ll | ||
| do-not-touch-comdat-global.ll | ||
| do-not-touch-odr-global.ll | ||
| do-not-touch-threadlocal.ll | ||
| experiment-call.ll | ||
| experiment.ll | ||
| freebsd.ll | ||
| global_metadata.ll | ||
| instrument_global.ll | ||
| instrument_initializer_metadata.ll | ||
| instrument_load_then_store.ll | ||
| instrument-dynamic-allocas.ll | ||
| instrument-no-return.ll | ||
| instrument-stack.ll | ||
| instrumentation-with-call-threshold.ll | ||
| lifetime-uar.ll | ||
| lifetime.ll | ||
| stack_dynamic_alloca.ll | ||
| stack_layout.ll | ||
| stack-poisoning.ll | ||
| test64.ll | ||
| ubsan.ll | ||
| undecidable-dynamic-alloca-1.ll | ||