LLVM backend for 6502
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Chris Lattner 82bec2cff0 Substantially refactor the SCCP class into an SCCP pass and an SCCPSolver
class.  The only changes are minor:

 * Do not try to SCCP instructions that return void in the rewrite loop.
   This is silly and fool hardy, wasting a map lookup and adding an entry
   to the map which is never used.
 * If we decide something has an undefined value, rewrite it to undef,
   potentially leading to further simplications.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17816 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-15 04:44:20 +00:00
autoconf
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include/llvm Changes necessary to enable linking of archives without LLVM symbol tables. 2004-11-15 01:20:11 +00:00
lib Substantially refactor the SCCP class into an SCCP pass and an SCCPSolver 2004-11-15 04:44:20 +00:00
projects Fix usage of changed function prototype 2004-11-14 22:30:54 +00:00
runtime Use llvm-ar not ar for constructing archive. Wrap at 80 cols. 2004-11-14 22:13:13 +00:00
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tools Linker.h moved to include/llvm. 2004-11-14 23:25:32 +00:00
utils Fix usage of changed function prototype 2004-11-14 22:30:54 +00:00
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Makefile.rules Add a command for using llvm-ar correctly. 2004-11-14 21:46:55 +00:00
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