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75e36e847e
llvm-6502/include/llvm
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Arnold Schwaighofer 75e36e847e ScheduleDAGInstrs: In functions with tail calls PseudoSourceValues are not non-aliasing distinct objects 
The code that builds the dependence graph assumes that two PseudoSourceValues
don't alias. In a tail calling function two FixedStackObjects might refer to the
same location. Worse 'immutable' fixed stack objects like function arguments are
not immutable and will be clobbered.

Change this so that a load from a FixedStackObject is not invariant in a tail
calling function and don't return a PseudoSourceValue for an instruction in tail
calling functions when building the dependence graph so that we handle function
arguments conservatively.

Fix for PR23459.

rdar://20740035

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236916 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-08 23:52:00 +00:00
..
ADT Add a comment about DepthFirstIterator's skipchildren behavior 2015-05-08 21:17:24 +00:00
Analysis [NoTTI] reject negative scale in addressing mode 2015-05-08 18:07:24 +00:00
AsmParser Pass a MemoryBufferRef when we can avoid taking ownership. 2014-08-26 21:49:01 +00:00
Bitcode [opaque pointer type] Encode the pointee type in the bitcode for 'cmpxchg' 2015-04-28 04:30:29 +00:00
CodeGen ScheduleDAGInstrs: In functions with tail calls PseudoSourceValues are not non-aliasing distinct objects 2015-05-08 23:52:00 +00:00
Config [ADT][CMake][AutoConf] Fail-fast iterators for DenseMap 2015-03-26 19:25:01 +00:00
DebugInfo A few fixes for llvm-symbolizer on Windows. 2015-05-06 22:26:30 +00:00
ExecutionEngine Fix the clang -Werror build, use of uninitialized variable. 2015-05-05 18:12:33 +00:00
IR Update Function::getContext documentation. NFC. 2015-05-08 21:01:29 +00:00
IRReader Pass a MemoryBufferRef when we can avoid taking ownership. 2014-08-26 21:49:01 +00:00
LineEditor Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
Linker Linker: Add flag to override linkage rules 2015-04-22 04:11:00 +00:00
LTO LTO: Add API to choose whether to embed uselists 2015-04-27 23:38:54 +00:00
MC MC: Skip names of temporary symbols in object streamer 2015-05-06 21:34:34 +00:00
Object [obj2yaml/yaml2obj] Add SHT_MIPS_ABIFLAGS section support 2015-05-07 15:40:48 +00:00
Option Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
Passes [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
ProfileData InstrProf: Give coverage its own errors instead of piggy backing on instrprof 2015-05-06 23:19:35 +00:00
Support TargetParser: FPU/ARCH/EXT parsing refactory - NFC 2015-05-08 21:04:27 +00:00
TableGen [TableGen] Don't leak Expanders and Operators in SetTheory. 2015-04-24 06:49:44 +00:00
Target [ShrinkWrap] Add (a simplified version) of shrink-wrapping. 2015-05-05 17:38:16 +00:00
Transforms Delete unused createSanitizerCoverageModulePass overload. 2015-05-07 22:46:06 +00:00
CMakeLists.txt Remove llvm_headers_do_not_build for the benefit of XCode and Visual Studio users. 2014-08-14 00:51:47 +00:00
InitializePasses.h [ShrinkWrap] Add (a simplified version) of shrink-wrapping. 2015-05-05 17:38:16 +00:00
LinkAllIR.h
LinkAllPasses.h Simplify n-ary adds by reassociation 2015-04-14 04:59:22 +00:00
module.modulemap Fix modules build post-r235612. 2015-04-23 23:22:26 +00:00
module.modulemap.build [modules] Add module maps for LLVM. These are not quite ready for prime-time 2014-05-21 02:46:14 +00:00
Pass.h Use 'override/final' instead of 'virtual' for overridden methods 2015-04-11 02:11:45 +00:00
PassAnalysisSupport.h Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
PassInfo.h Removing LLVM_DELETED_FUNCTION, as MSVC 2012 was the last reason for requiring the macro. NFC; LLVM edition. 2015-02-15 22:54:22 +00:00
PassRegistry.h Revert r231276 (including r231277): Add a lock() function in PassRegistry to speed up multi-thread synchronization. 2015-03-05 17:53:00 +00:00
PassSupport.h Defining a new API for debug options that doesn't rely on static global cl::opts. 2014-10-15 21:54:35 +00:00