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LLVM backend for 6502
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Evan Cheng c4b527ac06 DAGCombine's logic for forming pre- and post- indexed loads / stores were being 
overly conservative. It was concerned about cases where it would prohibit
folding simple [r, c] addressing modes. e.g.
  ldr r0, [r2]
  ldr r1, [r2, #4]
=>
  ldr r0, [r2], #4
  ldr r1, [r2]
Change the logic to look for such cases which allows it to form indexed memory
ops more aggressively.

rdar://10674430


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-13 01:37:24 +00:00
autoconf revert r147542 after comments from Joerg Sonnenberger 2012-01-05 18:28:46 +00:00
bindings Update OCaml bindings for the new half float type. 2011-12-28 18:51:08 +00:00
cmake revert r147542 after comments from Joerg Sonnenberger 2012-01-05 18:28:46 +00:00
docs Revert accidental commit. 2012-01-12 23:06:28 +00:00
examples LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
include Added MVT::v2f16 2012-01-12 23:14:13 +00:00
lib DAGCombine's logic for forming pre- and post- indexed loads / stores were being 2012-01-13 01:37:24 +00:00
projects revert r147542 after comments from Joerg Sonnenberger 2012-01-05 18:28:46 +00:00
runtime LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
test DAGCombine's logic for forming pre- and post- indexed loads / stores were being 2012-01-13 01:37:24 +00:00
tools 80 columns. 2012-01-11 21:23:35 +00:00
unittests Undo the hack in r147427 and move this unittest to a better home. This 2012-01-02 09:19:48 +00:00
utils Added MVT::v2f16 2012-01-12 23:14:13 +00:00
.gitignore git: Add tools/lldb to the ignore list. 2011-11-10 22:55:50 +00:00
CMakeLists.txt capitalize project name, reference bugzilla 2011-12-18 18:50:16 +00:00
configure revert r147542 after comments from Joerg Sonnenberger 2012-01-05 18:28:46 +00:00
CREDITS.TXT CREDITS.TXT: Add a line. (test commit) 2011-10-29 23:42:14 +00:00
LICENSE.TXT Happy new year 2012! 2012-01-01 08:16:56 +00:00
llvm.spec.in
LLVMBuild.txt LLVMBuild: Introduce a common section which currently has a list of the 2011-12-12 22:45:54 +00:00
Makefile llvm-config: Replace with C++ version (was llvm-config-2). 2011-12-01 20:18:09 +00:00
Makefile.common Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Makefile.config.in capitalize project name, reference bugzilla 2011-12-18 18:50:16 +00:00
Makefile.rules PR11642 has been fixed, enable -fvisibility-inlines-hidden everywhere. 2011-12-27 21:37:11 +00:00
README.txt Undo test commit 2011-11-22 20:05:48 +00:00

README.txt 

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