Author: pfaffe Date: Thu Jan 3 05:42:44 2019 New Revision: 350305 URL: http://llvm.org/viewvc/llvm-project?rev=350305&view=rev Log: [NewPM] Port Msan
Summary: Keeping msan a function pass requires replacing the module level initialization: That means, don't define a ctor function which calls __msan_init, instead just declare the init function at the first access, and add that to the global ctors list. Changes: - Pull the actual sanitizer and the wrapper pass apart. - Add a newpm msan pass. The function pass inserts calls to runtime library functions, for which it inserts declarations as necessary. - Update tests. Caveats: - There is one test that I dropped, because it specifically tested the definition of the ctor. Reviewers: chandlerc, fedor.sergeev, leonardchan, vitalybuka Subscribers: sdardis, nemanjai, javed.absar, hiraditya, kbarton, bollu, atanasyan, jsji Differential Revision: https://reviews.llvm.org/D55647 Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=350305&r1=350304&r2=350305&view=diff ============================================================================== --- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original) +++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Thu Jan 3 05:42:44 2019 @@ -53,6 +53,7 @@ #include "llvm/Transforms/IPO/ThinLTOBitcodeWriter.h" #include "llvm/Transforms/InstCombine/InstCombine.h" #include "llvm/Transforms/Instrumentation.h" +#include "llvm/Transforms/Instrumentation/MemorySanitizer.h" #include "llvm/Transforms/Instrumentation/BoundsChecking.h" #include "llvm/Transforms/Instrumentation/GCOVProfiler.h" #include "llvm/Transforms/ObjCARC.h" @@ -276,7 +277,7 @@ static void addGeneralOptsForMemorySanit const CodeGenOptions &CGOpts = BuilderWrapper.getCGOpts(); int TrackOrigins = CGOpts.SanitizeMemoryTrackOrigins; bool Recover = CGOpts.SanitizeRecover.has(SanitizerKind::Memory); - PM.add(createMemorySanitizerPass(TrackOrigins, Recover, CompileKernel)); + PM.add(createMemorySanitizerLegacyPassPass(TrackOrigins, Recover, CompileKernel)); // MemorySanitizer inserts complex instrumentation that mostly follows // the logic of the original code, but operates on "shadow" values. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
