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path: root/lib/IR/Verifier.cpp
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2013-04-23Add some constraints to use of 'returned':Stephen Lin
1) Disallow 'returned' on parameter that is also 'sret' (no sensible semantics, as far as I can tell). 2) Conservatively disallow tail calls through 'returned' parameters that also are 'zext' or 'sext' (for consistency with treatment of other zero-extending and sign-extending operations in tail call position detection...can be revised later to handle situations that can be determined to be safe). This is a new attribute that is not yet used, so there is no impact. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180118 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Also verify llvm.compiler_used.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180020 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Clarify that llvm.used can contain aliases.Rafael Espindola
Also add a check for llvm.used in the verifier and simplify clients now that they can assume they have a ConstantArray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Add CodeGen support for functions that always return arguments via a new ↵Stephen Lin
parameter attribute 'returned', which is taken advantage of in target-independent tail call opportunity detection and in ARM call lowering (when placed on an integral first parameter). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18This patch addresses two cleanup issues:Bill Wendling
1. Verify::VerifyParameterAttrs in "lib/IR/Verifier.cpp" and AttrBuilder::removeFunctionOnlyAttrs in "lib/IR/Attributes.cpp" (only called by Verify::VerifyFunctionAttrs) separately maintained a list of function-only attribute types. I've consolidated the logic into a new function used for both cases in "lib/IR/Verifier.cpp", so this logic is in one place (other than the AsmParser front-end) 2. Various functions in "lib/IR/Verifier.cpp" passed AttributeSet around by reference needlessly, as it's just a handle to an immutable pimpl body. Patch by Stephen Lin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179790 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Unify clang/llvm attributes for asan/tsan/msan (LLVM part)Kostya Serebryany
These are two related changes (one in llvm, one in clang). LLVM: - rename address_safety => sanitize_address (the enum value is the same, so we preserve binary compatibility with old bitcode) - rename thread_safety => sanitize_thread - rename no_uninitialized_checks -> sanitize_memory CLANG: - add __attribute__((no_sanitize_address)) as a synonym for __attribute__((no_address_safety_analysis)) - add __attribute__((no_sanitize_thread)) - add __attribute__((no_sanitize_memory)) for S in address thread memory If -fsanitize=S is present and __attribute__((no_sanitize_S)) is not set llvm attribute sanitize_S git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176075 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Implement the NoBuiltin attribute.Bill Wendling
The 'nobuiltin' attribute is applied to call sites to indicate that LLVM should not treat the callee function as a built-in function. I.e., it shouldn't try to replace that function with different code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175835 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11[tsan/msan] adding thread_safety and uninitialized_checks attributesKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174864 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10Add 'empty' query methods to the builder and use them in the verifier.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Make the AttrBuilder creation method of Attribute private so that people ↵Bill Wendling
won't use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174023 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Revert for now:Bill Wendling
--- Reverse-merging r174010 into '.': U include/llvm/IR/Attributes.h U lib/IR/Verifier.cpp U lib/IR/Attributes.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174012 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Remove the AttrBuilder version of the Attribute::get function.Bill Wendling
The AttrBuilder is there to build up multiple attributes. The Attribute class represents only one attribute at a time. So remove this unnecessary builder creator method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174010 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Convert typeIncompatible to return an AttributeSet.Bill Wendling
There are still places which treat the Attribute object as a collection of attributes. I'm systematically removing them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173990 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Attempt to fix dragonegg. Use the number of slots to determine if the ↵Bill Wendling
AttributeSet has attributes or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Remove some introspection functions.Bill Wendling
The 'getSlot' function and its ilk allow introspection into the AttributeSet class. However, that class should be opaque. Allow access through accessor methods instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173522 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Add an accessor method to get the slot's index. This will limit the use of ↵Bill Wendling
AttributeWithIndex. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173495 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Use the AttributeSet query instead of the Attribute query.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173434 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Use AttributeSet instead of Attribute to verify things.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173101 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Push some more methods down to hide the use of the Attribute class.Bill Wendling
Because the Attribute class is going to stop representing a collection of attributes, limit the use of it as an aggregate in favor of using AttributeSet. This replaces some of the uses for querying the function attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172844 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16[IR] Add 'Append' and 'AppendUnique' module flag behaviors.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172659 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15[IR] Add verification for module flags with the "require" behavior.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172549 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15[IR] Add verifier support for llvm.module.flags.Daniel Dunbar
- Also, update the LangRef documentation on module flags to match the implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172498 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Support for half intrinsics. Pushes MMX into slower encoding path.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172159 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Remove unused #includeEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171507 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Move all of the header files which are involved in modelling the LLVM IRChandler Carruth
into their new header subdirectory: include/llvm/IR. This matches the directory structure of lib, and begins to correct a long standing point of file layout clutter in LLVM. There are still more header files to move here, but I wanted to handle them in separate commits to make tracking what files make sense at each layer easier. The only really questionable files here are the target intrinsic tablegen files. But that's a battle I'd rather not fight today. I've updated both CMake and Makefile build systems (I think, and my tests think, but I may have missed something). I've also re-sorted the includes throughout the project. I'll be committing updates to Clang, DragonEgg, and Polly momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Rename VMCore directory to IR.Chandler Carruth
Aside from moving the actual files, this patch only updates the build system and the source file comments under lib/... that are relevant. I'll be updating other docs and other files in smaller subsequnet commits. While I've tried to test this, but it is entirely possible that there will still be some build system fallout. Also, note that I've not changed the library name itself: libLLVMCore.a is still the library name. I'd be interested in others' opinions about whether we should rename this as well (I think we should, just not sure what it might break) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171359 91177308-0d34-0410-b5e6-96231b3b80d8
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