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Author SHA1 Message Date
Evan Cheng 2e9f42bed5 Revert 67132. This is breaking some objective-c apps. 
Also fixes SDISel so it *does not* force promote return value if the function is not marked signext / zeroext.

llvm-svn: 67701
 2009-03-25 20:20:11 +00:00
Rafael Espindola 4606b12108 Don't force promotion of return arguments on the callee. 
Some architectures (like x86) don't require it.
This fixes bug 3779.

llvm-svn: 67132
 2009-03-17 23:43:59 +00:00
Dan Gohman 345d63ccf2 Improve dagcombining for sext-loads and sext-in-reg nodes. 
llvm-svn: 54239
 2008-07-31 00:50:31 +00:00