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LLVM backend for 6502
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Hans Wennborg e6f4d335d7 SelectionDAG switch lowering: Replace unreachable default with most popular case. 
This can significantly reduce the size of the switch, allowing for more
efficient lowering.

I also worked with the idea of exploiting unreachable defaults by
omitting the range check for jump tables, but always ended up with a
non-neglible binary size increase. It might be worth looking into some more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223049 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-01 17:08:32 +00:00
autoconf Expose LLVM version string via macro in llvm-config.h, and modify Go bindings 2014-11-19 03:34:17 +00:00
bindings Reformat with gofmt. 2014-11-26 02:57:33 +00:00
cmake Teach LLVM about llgo subproject. 2014-11-27 00:15:21 +00:00
docs Remove neverHasSideEffects support from TableGen CodeGenInstruction. Everyone should use hasSideEffects now. 2014-11-26 04:11:14 +00:00
examples [CMake] llvm/examples: Update libdeps for unoptimized builds. 2014-10-31 15:27:16 +00:00
include Partial revert of r222986. 2014-12-01 16:32:20 +00:00
lib SelectionDAG switch lowering: Replace unreachable default with most popular case. 2014-12-01 17:08:32 +00:00
projects
test SelectionDAG switch lowering: Replace unreachable default with most popular case. 2014-12-01 17:08:32 +00:00
tools DebugIR: Delete -debug-ir 2014-11-29 03:15:47 +00:00
unittests DebugIR: Delete -debug-ir 2014-11-29 03:15:47 +00:00
utils Remove some unnecessary vector::reserve/assign calls. 2014-11-29 18:13:42 +00:00
.arcconfig
.clang-format
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CMakeLists.txt Use ninja pools to limit the number of concurrent compile/link jobs. 2014-11-19 10:30:02 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure Expose LLVM version string via macro in llvm-config.h, and modify Go bindings 2014-11-19 03:34:17 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
README.txt

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.