en Copyright 2015 Java http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Instrumentation/HWAddressSanitizer/stack-coloring.ll#078b5465 [HWASan] do not replace lifetime intrinsics with tagged address.Quote from the LLVM Language Reference If ptr is a stack-allocated object and it points to the first byte of the object, the object is initially marked as dead. ptr is conservatively considered as a non-stack-allocated object if the stack coloring algorithm that is used in the optimization pipeline cannot conclude that ptr is a stack-allocated object.By replacing the alloca pointer with the tagged address before this change,we confused the stack coloring algorithm.Reviewed By: eugenisDifferential Revision: https://reviews.llvm.org/D121835 List of files: /llvm-project-15.0.7/llvm/test/Instrumentation/HWAddressSanitizer/stack-coloring.ll Fri, 18 Mar 2022 17:06:04 +0000 Florian Mayer <fmayer@google.com> http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Instrumentation/HWAddressSanitizer/stack-coloring.ll#208b923e [HWASan] do not replace lifetime intrinsics with tagged address.Quote from the LLVM Language Reference If ptr is a stack-allocated object and it points to the first byte of the object, the object is initially marked as dead. ptr is conservatively considered as a non-stack-allocated object if the stack coloring algorithm that is used in the optimization pipeline cannot conclude that ptr is a stack-allocated object.By replacing the alloca pointer with the tagged address before this change,we confused the stack coloring algorithm.Reviewed By: eugenisDifferential Revision: https://reviews.llvm.org/D121835 List of files: /llvm-project-15.0.7/llvm/test/Instrumentation/HWAddressSanitizer/stack-coloring.ll Thu, 10 Mar 2022 23:17:26 +0000 Florian Mayer <fmayer@google.com>