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0651a556fe
llvm-6502/lib
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Akira Hatanaka 0651a556fe [stack protector] Fix a potential security bug in stack protector where the 
address of the stack guard was being spilled to the stack.

Previously the address of the stack guard would get spilled to the stack if it
was impossible to keep it in a register. This patch introduces a new target
independent node and pseudo instruction which gets expanded post-RA to a
sequence of instructions that load the stack guard value. Register allocator
can now just remat the value when it can't keep it in a register. 

<rdar://problem/12475629>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213967 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-25 19:31:34 +00:00
..
Analysis Simplify and improve scoped-noalias metadata semantics 2014-07-25 15:50:02 +00:00
AsmParser AsmParser: remove deprecated LLIR support 2014-07-23 18:09:31 +00:00
Bitcode Bitcode: Don't optimize constants when preserving use-list order 2014-07-25 16:13:16 +00:00
CodeGen [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
DebugInfo Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
ExecutionEngine Remove dead code. 2014-07-24 16:02:28 +00:00
IR Fix MSVC2012 build error in UseListOrder.cpp 2014-07-25 16:22:13 +00:00
IRReader Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
LineEditor
Linker Include <tuple> to make buildbots happy 2014-06-27 18:38:12 +00:00
LTO AArch64: remove arm64 triple enumerator. 2014-07-23 12:32:47 +00:00
MC Reapply "DebugInfo: Don't put fission type units in comdat sections." 2014-07-25 17:11:58 +00:00
Object AArch64: remove arm64 triple enumerator. 2014-07-23 12:32:47 +00:00
Option Generic: add range-adapter for option parsing. 2014-07-09 13:03:37 +00:00
ProfileData Fix a warning in CoverageMappingReader.cpp 2014-07-25 02:51:57 +00:00
Support Remove dead code. 2014-07-25 19:06:39 +00:00
TableGen [TableGen] Allow shift operators to take bits<n> 2014-07-17 17:04:27 +00:00
Target [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
Transforms Move -verify-use-list-order into llvm-uselistorder 2014-07-25 17:13:03 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile