Chris Lattner e97fa8cdf0 Fix this buggy transformation. Two observations: ... 1. we already know the value is dead, so don't bother replacing it with undef. 2. The very case the comment describes actually makes the load live which asserts in deletenode. If we do the replacement and the node becomes live, just treat it as new. This fixes a failure on X86/2008-01-16-InvalidDAGCombineXform.ll with some local changes in my tree. llvm-svn: 46306		2008-01-24 07:57:06 +00:00
clang	Added transfer functions for pre- and post- increment/decrement operators.	2008-01-24 02:28:56 +00:00
llvm	Fix this buggy transformation. Two observations:	2008-01-24 07:57:06 +00:00