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LLVM backend for 6502
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0651a556fe
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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
autoconf Drop the udis86 wrapper from llvm::sys 2014-07-17 20:05:29 +00:00
bindings [OCaml] Don't truncate constants over 32 bits in Llvm.const_int. 2014-07-22 13:55:20 +00:00
cmake Add LLVM_TOOLS_BINARY_DIR variable to LLVMConfig.cmake so clients 2014-07-22 17:48:51 +00:00
docs Simplify and improve scoped-noalias metadata semantics 2014-07-25 15:50:02 +00:00
examples Added LLVM_ENABLE_RTTI and LLVM_ENABLE_EH options that allow RTTI and EH 2014-07-22 15:41:18 +00:00
include [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
lib [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
tools Move -verify-use-list-order into llvm-uselistorder 2014-07-25 17:13:03 +00:00
unittests Fix r213824 on windows 2014-07-24 15:16:23 +00:00
utils [stack protector] Fix a potential security bug in stack protector where the 2014-07-25 19:31:34 +00:00
.arcconfig
.clang-format
.gitignore Add Polly to the ignored trees. 2014-06-25 13:13:36 +00:00
CMakeLists.txt [CMake] Introduce LLVM_SHLIB_OUTPUT_INTDIR. 2014-07-04 04:23:26 +00:00
CODE_OWNERS.TXT Claim AA generally as code owner 2014-07-25 16:45:10 +00:00
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Track clang r213171 2014-07-16 16:50:34 +00:00
Makefile.rules [Make] Fix dependencies for td.expanded 2014-06-20 19:00:41 +00:00
README.txt

README.txt 

Low Level Virtual Machine (LLVM)
================================

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