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5 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen 3d604ab933 Be more verbose when detecting dominance problems. 
Catch uses of undefined physregs that haven't been added to basic block
live-in lists. Run the verifier to pinpoint the problem.

Also run the verifier when a virtual register use is not jointly
dominated by defs.

llvm-svn: 160207
 2012-07-13 23:39:05 +00:00
Jakob Stoklund Olesen 989b3b1516 Implement LiveRangeCalc::extendToUses() and createDeadDefs(). 
These LiveRangeCalc methods are to be used when computing a live range
from scratch.

llvm-svn: 158027
 2012-06-05 21:54:09 +00:00
Jakob Stoklund Olesen 5ef0e0b262 Pass context pointers to LiveRangeCalc::reset(). 
Remove the same pointers from all the other LiveRangeCalc functions,
simplifying the interface.

llvm-svn: 157941
 2012-06-04 18:21:16 +00:00
NAKAMURA Takumi cac923b556 Unbreak msvc. 
llvm-svn: 139581
 2011-09-13 03:58:34 +00:00
Jakob Stoklund Olesen 487f2a37bf Extract live range calculations from SplitKit. 
SplitKit will soon need two copies of these data structures, and the
algorithms will also be useful when LiveIntervalAnalysis becomes
independent of LiveVariables.

llvm-svn: 139572
 2011-09-13 01:34:21 +00:00