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6 Commits

Author SHA1 Message Date
Dan Gohman 02538ac4d3 Make BasicAliasAnalysis a normal AliasAnalysis implementation which 
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.

llvm-svn: 116720
 2010-10-18 18:04:47 +00:00
Nick Lewycky 218a3393f4 Teach memdep to look for memory use intrinsics during dependency queries. Fixes 
PR5574.

llvm-svn: 90045
 2009-11-28 21:27:49 +00:00
Nick Lewycky 9027147fb1 Reapply r86359, "Teach dead store elimination that certain intrinsics write to 
memory just like a store" with bug fixed (partial-overwrite.ll is the
regression test).

llvm-svn: 86667
 2009-11-10 06:46:40 +00:00
Chris Lattner acc83d10bd remove empty files. 
llvm-svn: 86392
 2009-11-07 18:03:32 +00:00
Chris Lattner 431000da21 Revert r86359, it is breaking the self host on the 
llvm-gcc-i386-darwin9 build bot.

llvm-svn: 86391
 2009-11-07 17:59:32 +00:00
Nick Lewycky b6a3dd48f4 Teach dead store elimination that certain intrinsics write to memory just like 
a store.

llvm-svn: 86359
 2009-11-07 08:34:40 +00:00