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LLVM backend for 6502
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e941291a7a
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Chris Lattner e941291a7a Initial checkin of PRE on LLVM. This implementation is still lacking in 
several ways:

 * Load expressions are not PRE'd well.  Alias Analysis should be used to
   get accurate information when computing anticipatibility.
 * The expression collection implementation does not handle PHI nodes properly,
   thus the implementation misses many opportunities to PRE.
 * This code could be sped up quite a bit

Despite these flaws, the code seems to work well, and handles PR's as one
would expect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5759 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31 19:55:43 +00:00
docs The word 'independent' has no 'a'. 2003-03-08 23:59:05 +00:00
include Add getAnalysisUsage method 2003-03-31 17:29:18 +00:00
lib Initial checkin of PRE on LLVM. This implementation is still lacking in 2003-03-31 19:55:43 +00:00
runtime
support
test Fix testcase 2003-03-18 22:53:19 +00:00
tools Minor tweak 2003-03-31 17:30:35 +00:00
utils
Makefile
Makefile.common Fix several bugs in the build system, including the use of the Debug version of Burg no matter what configuration is currently configured. 2003-03-14 20:25:22 +00:00
Makefile.config
Makefile.Linux
Makefile.rules Fix several bugs in the build system, including the use of the Debug version of Burg no matter what configuration is currently configured. 2003-03-14 20:25:22 +00:00
Makefile.SunOS