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path: root/lib/CodeGen/SimpleRegisterCoalescing.cpp
AgeCommit message (Expand)Author
2008-09-11Fix PR2748. Avoid coalescing physical register with virtual register which wo...Evan Cheng
2008-09-11Fix PR2783 - coalescer bug. Missing a TargetRegisterInfo::isVirtualRegister c...Evan Cheng
2008-09-10Fix a bug in the coalescer where it didn't check if a live interval existed b...Owen Anderson
2008-09-10Fix typo.Evan Cheng
2008-09-09Clear preference when it no longer makes sense.Evan Cheng
2008-08-30Re-apply 55467 with fix. If copy is being replaced by remat'ed def, transfer ...Evan Cheng
2008-08-28Revert r55467; it causes regressions in UnitTests/Vector/divides,Dan Gohman
2008-08-28If a copy isn't coalesced, but its src is defined by trivial computation. Re-...Evan Cheng
2008-08-14Convert uses of std::vector in TargetInstrInfo to SmallVector. This change h...Owen Anderson
2008-08-14Use empty() instead of begin() == end().Dan Gohman
2008-08-13Make the allocation of LiveIntervals explicit, rather than holding them in th...Owen Anderson
2008-08-05Remove #if 0.Evan Cheng
2008-08-05Fix PR2568: Fix bug that cause redudant kill marker after its live interval h...Evan Cheng
2008-07-23Fix a compile-time regression introduced by my heuristic-changing patch. I f...Owen Anderson
2008-07-22Change the heuristics used in the coalescer, register allocator, and withinOwen Anderson
2008-07-17Subreg live interval valno may not have a corresponding def machineinstr sinc...Evan Cheng
2008-06-23Use getMBBEndIdx rather than assuming that the end is right after the last in...Owen Anderson
2008-06-21Undo spill weight tweak. Need to investigate the performance regressions.Evan Cheng
2008-06-19Coalesce copy from one register class to a sub register class. e.g. X86::MOV1...Evan Cheng
2008-06-17When extending a liveinterval by commuting, don't throw away the live ranges ...Evan Cheng
2008-05-30The coalescer doesn't need LiveVariables now that we have register use iterat...Owen Anderson
2008-05-28Fix PR2289: vr defined by multiple implicit_def as result of coalescing.Evan Cheng
2008-05-21Fix PR2343. An *interesting* coalescer bug.Evan Cheng
2008-05-13Change class' public PassInfo variables to by initialized with theDan Gohman
2008-05-13Clean up the use of static and anonymous namespaces. This turned upDan Gohman
2008-04-29Another extract_subreg coalescing bug.Evan Cheng
2008-04-24- Check if a register is livein before removing it. It may have already been ...Evan Cheng
2008-04-18Correct comment.Evan Cheng
2008-04-18Not safe to "kill" a register if its live range extends pass the end of block...Evan Cheng
2008-04-17Be more careful with insert_subreg and extract_subreg where either source or ...Evan Cheng
2008-04-17Use correct name for method in comment.Bill Wendling
2008-04-17Fix a sub-register indice propagation bug.Evan Cheng
2008-04-16After reading memory that's already freed.Evan Cheng
2008-04-16Fix PR2226. Avoid using uninitialized variables.Evan Cheng
2008-04-16Avoid read after free.Evan Cheng
2008-04-10Remove implicit_def instructions that become dead as result of coalescing.Evan Cheng
2008-04-10A copy instruction may use a register multiple times on some targets. Change ...Evan Cheng
2008-04-09- More aggressively coalescing away copies whose source is defined by an impl...Evan Cheng
2008-04-09Missed a hasInterval check.Evan Cheng
2008-04-03- Turn copies of implicit_def into implicit_def instructions.Evan Cheng
2008-03-26One more coalescer fix wrt deadness propagation.Evan Cheng
2008-03-26Avoid commuting a def MI in order to coalesce a copy instruction away if any ...Evan Cheng
2008-03-25lastRegisterUse() should ignore identity copies. Those will be erased.Evan Cheng
2008-03-24If the coalescer commuted a def MI to allow coalescing, it can changed a prev...Evan Cheng
2008-03-21A couple of kill marker maintainence bug.Evan Cheng
2008-03-19Fixed a coalescer bug caused by a typo.Evan Cheng
2008-03-18Rewrite code that propagate isDead information after a dead copy is coalesced...Evan Cheng
2008-03-13Remove unused options.Evan Cheng
2008-03-10- Fix a subtle bug in RemoveCopyByCommutingDef. ALR is the live range where t...Evan Cheng
2008-03-05Fix a coalescer bug wrt how dead copy interval is shortened.Evan Cheng
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