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LLVM backend for 6502
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Jakob Stoklund Olesen bd6f44a3a2 Run proper recursive dead code elimination during coalescing. 
Dead copies cause problems because they are trivial to coalesce, but
removing them gived the live range a dangling end point. This patch
enables full dead code elimination which trims live ranges to their uses
so end points don't dangle.

DCE may erase multiple instructions. Put the pointers in an ErasedInstrs
set so we never risk visiting erased instructions in the work list.

There isn't supposed to be any dead copies entering RegisterCoalescer,
but they do slip by as evidenced by test/CodeGen/X86/coalescer-dce.ll.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157101 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-19 05:25:50 +00:00
autoconf - Added ExecutionEngine/MCJIT tests 2012-05-17 21:07:47 +00:00
bindings [python] Add negative MemoryBuffer testcase 2012-03-22 11:23:52 +00:00
cmake Adding -fcolor-diagnostics is causing problem to users that parse the build 2012-05-08 18:11:06 +00:00
docs Fixed grammar for the llvm.trap intrinsic description. 2012-05-16 00:26:51 +00:00
examples Remove llvm-ld and llvm-stub (which is only used by llvm-ld). 2012-04-19 19:27:54 +00:00
include Allow LiveRangeEdit to be created with a NULL parent. 2012-05-19 05:25:46 +00:00
lib Run proper recursive dead code elimination during coalescing. 2012-05-19 05:25:50 +00:00
projects Update all outdated autoconf files in the sample project. 2012-05-05 15:02:39 +00:00
runtime Switch to c-style comments in a C file. 2012-04-27 19:30:29 +00:00
test Actually support DW_TAG_rvalue_reference_type that we were trying 2012-05-19 01:36:37 +00:00
tools Refactor data-in-code annotations. 2012-05-18 19:12:01 +00:00
unittests fix corner case in ConstantRange::intersectWith(). 2012-05-18 00:14:36 +00:00
utils enhance the intrinsic info stuff to emit encodings that don't fit in 32-bits into a 2012-05-17 15:55:41 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Make it possible to switch off solution folders. VS Express does not support 2012-05-09 15:10:54 +00:00
configure - Added ExecutionEngine/MCJIT tests 2012-05-17 21:07:47 +00:00
CREDITS.TXT Update the documentation of CellSPU, in case it gets removed in 3.1. 2012-04-29 20:00:55 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile Do not install llvm-config-host for cross-builds of clang. rdar://11317847 2012-05-09 00:07:02 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in - Added ExecutionEngine/MCJIT tests 2012-05-17 21:07:47 +00:00
Makefile.rules Make IntelJITEvents and OProfileJIT as optional libraries and add 2012-05-07 19:38:40 +00:00
README.txt test commit 2012-03-20 13:12:38 +00:00

README.txt 

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

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Please see the HTML documentation provided in docs/index.html for further
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