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Summary: This change tries to make the root cause of instrumented profile data merge failures clearer. Previous: $ llvm-profdata merge test_0.profraw test_1.profraw -o test_merged.profdata test_1.profraw: foo: Function count mismatch test_1.profraw: bar: Function count mismatch test_1.profraw: baz: Function count mismatch ... Changed: $ llvm-profdata merge test_0.profraw test_1.profraw -o test_merged.profdata test_1.profraw: foo: Function basic block count change detected (counter mismatch) Make sure that all profile data to be merged is generated from the same binary. test_1.profraw: bar: Function basic block count change detected (counter mismatch) test_1.profraw: baz: Function basic block count change detected (counter mismatch) ... Reviewers: dnovillo, davidxl, bogner Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D14739 llvm-svn: 253384
Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.