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Diffstat (limited to 'docs/ProgrammersManual.rst')
| -rw-r--r-- | docs/ProgrammersManual.rst | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/docs/ProgrammersManual.rst b/docs/ProgrammersManual.rst index 753e658..2c7e4a9 100644 --- a/docs/ProgrammersManual.rst +++ b/docs/ProgrammersManual.rst @@ -1816,7 +1816,7 @@ chain of ``F``: Function *F = ...; - for (User *U : GV->users()) { + for (User *U : F->users()) { if (Instruction *Inst = dyn_cast<Instruction>(U)) { errs() << "F is used in instruction:\n"; errs() << *Inst << "\n"; @@ -2553,6 +2553,22 @@ section on :ref:`isa and dyn_cast <isa>` and our :doc:`detailed document <HowToSetUpLLVMStyleRTTI>` which describes how you can implement this pattern for use with the LLVM helpers. +.. _abi_breaking_checks: + +ABI Breaking Checks +------------------- + +Checks and asserts that alter the LLVM C++ ABI are predicated on the +preprocessor symbol `LLVM_ENABLE_ABI_BREAKING_CHECKS` -- LLVM +libraries built with `LLVM_ENABLE_ABI_BREAKING_CHECKS` are not ABI +compatible LLVM libraries built without it defined. By default, +turning on assertions also turns on `LLVM_ENABLE_ABI_BREAKING_CHECKS` +so a default +Asserts build is not ABI compatible with a +default -Asserts build. Clients that want ABI compatibility +between +Asserts and -Asserts builds should use the CMake or autoconf +build systems to set `LLVM_ENABLE_ABI_BREAKING_CHECKS` independently +of `LLVM_ENABLE_ASSERTIONS`. + .. _coreclasses: The Core LLVM Class Hierarchy Reference |