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LLVM backend for 6502
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5cd01f74b1
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Bill Schmidt 5cd01f74b1 Change some PowerPC PatLeaf definitions to ImmLeaf for fast-isel. 
Using PatLeaf rather than ImmLeaf when defining immediate predicates
prevents simple patterns using those predicates from being recognized
for fast instruction selection.  This patch replaces the immSExt16
PatLeaf predicate with two ImmLeaf predicates, imm32SExt16 and
imm64SExt16, allowing a few more patterns to be recognized (ADDI,
ADDIC, MULLI, ADDI8, and ADDIC8).  Using the new predicates does not
help for LI, LI8, SUBFIC, and SUBFIC8 because these are rejected for
other reasons, but I see no reason to retain the PatLeaf predicate.

No functional change intended, and thus no test cases yet.  This is
preliminary work for enabling fast-isel support for PowerPC.  When
that support is ready, we'll be able to test this function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182510 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-22 20:09:24 +00:00
autoconf Make R600 non-experimental. 2013-05-22 00:35:47 +00:00
bindings We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
cmake [SystemZ] Add configure bits 2013-05-06 16:22:34 +00:00
docs Fix typo in docs/GettingStarted.rst. 2013-05-22 18:09:39 +00:00
examples ExceptionDemo: Corresponding to r181820, SectionMemoryManager should belong to RTDyldMemoryManager. 2013-05-14 23:05:00 +00:00
include Remove unneeded call to a base default ctor 2013-05-22 19:07:26 +00:00
lib Change some PowerPC PatLeaf definitions to ImmLeaf for fast-isel. 2013-05-22 20:09:24 +00:00
projects sync projects/sample's autohell. 2013-05-22 12:37:27 +00:00
runtime Remove GCDAProfiling.c. This copy is old, the copy in compiler-rt is newer and 2013-03-07 02:03:08 +00:00
test SLPVectorizer: Change the order in which new instructions are added to the function. 2013-05-22 19:47:32 +00:00
tools Use std::list so that we have a stable iterator. 2013-05-21 18:53:50 +00:00
unittests Expose the RTDyldMemoryManager through the C API. This allows clients of 2013-05-22 02:46:43 +00:00
utils Add TargetRegisterInfo::getCoveringLanes(). 2013-05-16 18:03:08 +00:00
.arcconfig
.gitignore
CMakeLists.txt Allow duplicates in LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD. 2013-05-22 02:45:28 +00:00
CODE_OWNERS.TXT Add myself as SystemZ code owner 2013-05-08 14:41:29 +00:00
configure Make R600 non-experimental. 2013-05-22 00:35:47 +00:00
CREDITS.TXT Test commit. 2013-05-09 12:32:36 +00:00
LICENSE.TXT Be more specific and capitalize filenames. 2013-05-21 21:22:34 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile Improved svn repo searching for 'make update' 2013-01-28 03:19:57 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add basic zlib support to LLVM. This would allow to use compression/uncompression in selected LLVM tools. 2013-04-23 08:28:39 +00:00
Makefile.rules Revert previous patch, it's actually on under Wall. 2013-05-14 21:52:01 +00:00
README.txt test 2013-04-17 05:34:03 +00:00

README.txt 

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

This directory and its subdirectories contain source code for the Low Level
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the documentation provided in docs/ for further
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