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4 Commits

Author SHA1 Message Date
Dan Gohman 9737a63ed8 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Dan Gohman 432af7ace0 Add -disable-output to a bunch of tests that don't care about the output. 
llvm-svn: 73633
 2009-06-17 20:56:26 +00:00
Dan Gohman 0bddac16a8 Rename ScalarEvolution's getIterationCount to getBackedgeTakenCount, 
to more accurately describe what it does. Expand its doxygen comment
to describe what the backedge-taken count is and how it differs
from the actual iteration count of the loop. Adjust names and
comments in associated code accordingly.

llvm-svn: 65382
 2009-02-24 18:55:53 +00:00
Dan Gohman f9081a2cd5 Teach ScalarEvolution to consider loop preheaders in the search for 
an if statement that guards a loop, to allow indvars to avoid smax
operations in more situations.

llvm-svn: 56232
 2008-09-15 22:18:04 +00:00