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5 Commits

Author SHA1 Message Date
Chris Lattner
0282d0247e Let libcall semantics decide whether it knows about functions 
with definitions or not.

llvm-svn: 52028
 2008-06-05 23:38:34 +00:00
Dan Gohman
be8f77859b Fix a typo in a comment. 
llvm-svn: 51718
 2008-05-30 00:08:18 +00:00
Dan Gohman
f52c8044ea Use static and anonymous namespaces consistently with other passes. 
llvm-svn: 51156
 2008-05-15 19:43:55 +00:00
Torok Edwin
42d46f2aa3 put LibCallAliasAnalysis into anonymous namespace to avoid 
clashes on ::X

llvm-svn: 50912
 2008-05-09 20:35:45 +00:00
Chris Lattner
621d33bbc0 Add a new LibCallAliasAnalysis pass, which is parameterized 
by an instance of LibCallInfo to provide mod/ref info of
standard library functions.  This is powerful enough to
say that 'sqrt' is readonly except that it modifies errno,
or that "printf doesn't store to memory unless the %n
constraint is present" etc.

llvm-svn: 50827
 2008-05-07 19:53:05 +00:00