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LLVM backend for 6502
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Chad Rosier 74bab7f597 Prevent obscure and incorrect tail-call optimization. 
In this instance we are generating the tail-call during legalizeDAG.  The 2nd
floor call can't be a tail call because it clobbers %xmm1, which is defined by
the first floor call.  The first floor call can't be a tail-call because it's
not in the tail position.  The only reasonable way I could think to fix this
in a target-independent manner was to check for glue logic on the copy reg.

rdar://10930395


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151877 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02 02:50:46 +00:00
autoconf Enable -Wcovered-switch-default again, but add -Werror to the checks to make 2012-02-28 23:32:06 +00:00
bindings ocaml bindings: landing pad is now the last opcode. 2012-02-07 18:58:19 +00:00
cmake Minimal changes for LLVM to compile under VS11. 2012-03-01 22:42:52 +00:00
docs rplace Alpha with ARM in docs/WritingAnLLVMBackend.html, patch by chenwj 2012-03-01 15:14:19 +00:00
examples Switch to a more idiomatic way of silencing unused variable warnings in 2012-02-20 00:02:49 +00:00
include Grammar-o in function name. 2012-03-02 02:11:47 +00:00
lib Prevent obscure and incorrect tail-call optimization. 2012-03-02 02:50:46 +00:00
projects Enable -Wcovered-switch-default again, but add -Werror to the checks to make 2012-02-28 23:32:06 +00:00
runtime Fixing a warning in MSVC (this is also a test commit) 2012-02-05 19:43:39 +00:00
test Prevent obscure and incorrect tail-call optimization. 2012-03-02 02:50:46 +00:00
tools [Object] 2012-03-01 22:19:54 +00:00
unittests Remove the misguided extension here that reserved two special values in 2012-03-02 00:48:38 +00:00
utils Move getSubRegIndex out of generated code into MCRegisterInfo, devirtualize it. 2012-03-01 18:16:35 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt add LLVM_VERSION_MAJOR and _MINOR defines 2012-02-13 18:48:10 +00:00
configure Enable -Wcovered-switch-default again, but add -Werror to the checks to make 2012-02-28 23:32:06 +00:00
CREDITS.TXT Add myself to the credits file 2012-02-29 16:43:11 +00:00
LICENSE.TXT Happy new year 2012! 2012-01-01 08:16:56 +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 Makefile: add missing files to FilesToConfig 2012-01-17 02:56:49 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in Enable -Wcovered-switch-default again, but add -Werror to the checks to make 2012-02-28 23:32:06 +00:00
Makefile.rules Enable -Wcovered-switch-default again, but add -Werror to the checks to make 2012-02-28 23:32:06 +00:00
README.txt test commit 2012-02-07 08:18:05 +00:00

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 HTML documentation provided in docs/index.html for further
assistance with LLVM.

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