LLVM backend for 6502
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Evan Cheng f4ea510371 Fix PR2343. An *interesting* coalescer bug.
BB1:                                                                                                                                                  
  vr1025 = copy vr1024                                                                                                                                
  ..                                                                                                                                                  
BB2:                                                                                                                                                  
  vr1024 = op                                                                                                                                         
         = op vr1025                                                                                                                                     
  <loop eventually branch back to BB1>

Even though vr1025 is copied from vr1024, it's not safe to coalesced them since live range of vr1025 intersects the def of vr1024. This happens when vr1025 is assigned the value of the previous iteration of vr1024 in the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51394 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-21 22:34:12 +00:00
autoconf Added configure switches for PIC16 in configure.ac. 2008-05-14 08:03:23 +00:00
bindings Remove a duplicative binding. Patch by Mahadevan R. 2008-05-19 05:47:10 +00:00
docs adapt to new API 2008-05-21 18:30:15 +00:00
examples API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 2008-05-16 19:29:10 +00:00
include Follow-up to the reverting of r51218. This puts the checks out-of-line. Because 2008-05-21 21:20:07 +00:00
lib Fix PR2343. An *interesting* coalescer bug. 2008-05-21 22:34:12 +00:00
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test Fix PR2343. An *interesting* coalescer bug. 2008-05-21 22:34:12 +00:00
tools Rename -no-lazy to -disable-lazy-compilation. 2008-05-21 18:20:21 +00:00
utils Do not generate by TableGen the hard-coded standard, target-independent part of 2008-05-14 10:17:11 +00:00
website
win32 "The two generated files in the AsmParser.vcproj are pointing to the 2008-05-20 17:27:57 +00:00
Xcode Merge LLVMBuilder and FoldingBuilder, calling 2008-04-13 06:22:09 +00:00
build-for-llvm-top.sh
configure Added configure switches for PIC16 in configure.ac. 2008-05-14 08:03:23 +00:00
CREDITS.TXT merge of use-diet branch to trunk 2008-05-10 08:32:32 +00:00
LICENSE.TXT
llvm.spec.in
Makefile
Makefile.common
Makefile.config.in Reverting r48974. See PR2183 for details. 2008-03-31 16:46:23 +00:00
Makefile.rules Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 2008-05-15 10:04:30 +00:00
ModuleInfo.txt
README.txt

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

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