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Philip Reames a88caeab6c [FunctionAttr] Infer nonnull attributes on returns 
Teach FunctionAttr to infer the nonnull attribute on return values of functions which never return a potentially null value. This is done both via a conservative local analysis for the function itself and a optimistic per-SCC analysis. If no function in the SCC returns anything which could be null (other than values from other functions in the SCC), we can conclude no function returned a null pointer. Even if some function within the SCC returns a null pointer, we may be able to locally conclude that some don't.

Differential Revision: http://reviews.llvm.org/D9688

llvm-svn: 246476
 		2015-08-31 19:44:38 +00:00
..
Analysis [LazyValueInfo] Look through Phi nodes when trying to prove a predicate 2015-08-31 18:31:48 +00:00
AsmParser DI: Require subprogram definitions to be distinct 2015-08-28 20:26:49 +00:00
Bitcode [BitcodeReader] Ensure we can read constant vector selects with an i1 condition 2015-08-31 18:00:30 +00:00
CodeGen [DAGCombine] Remove some old dead code for forming SETCC nodes 2015-08-31 18:38:55 +00:00
DebugInfo [dwarfdump] Do not apply relocations in mach-o files if there is no LoadedObjectInfo. 2015-08-23 04:44:21 +00:00
ExecutionEngine [SectionMemoryManager] Use range-based for loops. No functional change intended. 2015-08-31 13:39:14 +00:00
Fuzzer [libFuzzer] fix minor inefficiency, PR24584 2015-08-26 21:55:19 +00:00
IR Undo reversion on commit: Revert "Revert "Repress sanitization on User dtor. 2015-08-31 18:49:31 +00:00
IRReader Return a unique_ptr from getLazyBitcodeModule and parseBitcodeFile. NFC. 2015-06-16 22:27:55 +00:00
LTO CodeGen: Introduce splitCodeGen and teach LTOCodeGenerator to use it. 2015-08-27 23:37:36 +00:00
LibDriver There is only one saver of strings. 2015-08-13 01:07:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker Linker: Remove empty destructor. 2015-08-21 04:51:24 +00:00
MC [MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases 2015-08-31 17:44:53 +00:00
Object Re-apply r246276 - Object: Teach llvm-ar to create symbol table for COFF short import files 2015-08-28 07:40:30 +00:00
Option Add an ArgList::AddAllArgs that accepts a vector of OptSpecifier. 2015-07-29 17:34:41 +00:00
Passes [PM/AA] Remove the last relics of the separate IPA library from LLVM, 2015-08-18 17:51:53 +00:00
ProfileData Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Support Stop calling the flat out insane ARM target parsing code unless the 2015-08-30 09:54:34 +00:00
TableGen TableGen: Support folding casts from bits to int 2015-07-31 01:12:06 +00:00
Target [AArch64][CollectLOH] Remove an invalid assertion and add a test case exposing it. 2015-08-31 19:02:00 +00:00
Transforms [FunctionAttr] Infer nonnull attributes on returns 2015-08-31 19:44:38 +00:00
CMakeLists.txt LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00
LLVMBuild.txt Wrap some long lines in LLVMBuild files. NFC 2015-06-12 18:44:57 +00:00
Makefile LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00