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AgeCommit message (Expand)Author
2008-02-18Correctly fold divide-by-constant, even when faced with overflow.Nick Lewycky
2008-02-18make this just a bit more strict.Chris Lattner
2008-02-18Add support to GVN for performing sret return slot optimization. This means ...Owen Anderson
2008-02-18optimize away stackrestore calls that have no intervening alloca or call.Chris Lattner
2008-02-18upgrade this test.Chris Lattner
2008-02-17Fold (-x + -y) -> -(x+y) which promotes better association, fixingChris Lattner
2008-02-17Split up subtracts into add+negate if they have a reassociable use or operandChris Lattner
2008-02-17upgrade and simplify this test.Chris Lattner
2008-02-16Remove any 'nest' parameter attributes if the functionDuncan Sands
2008-02-14If loop header is also loop exiting block then OrigPN is incoming value for B...Devang Patel
2008-02-14Fix PR2029Chris Lattner
2008-02-14Testcase for PR2032.Nick Lewycky
2008-02-13A loop latch phi node may have uses inside loop, not just in loop header.Devang Patel
2008-02-13While moving exit condition, do not drop loop latch on the floor.Devang Patel
2008-02-13Keep track of exit value operand number when operands are swapped.Devang Patel
2008-02-13Add a note pointing to PR1996.Eli Friedman
2008-02-13Add test for PR1996. (This is my first time adding a test for a Eli Friedman
2008-02-12Re-apply the patch to improve the optimizations of memcpy's, with severalOwen Anderson
2008-02-08Fix PR 1995.Devang Patel
2008-02-06Temporarily reverting:Bill Wendling
2008-02-05Fix a bug compiling PR1978 (perhaps not the only one though) whichChris Lattner
2008-02-04Make this test more aggressive, to cover recent improvements.Owen Anderson
2008-02-04Allow GVN to hack on memcpy's, making them open to further optimization.Owen Anderson
2008-02-03Tag this test with the PR reference.Nick Lewycky
2008-02-03There are some cases where icmp(add) can be folded into a new icmp. Handle them.Nick Lewycky
2008-02-01Don't drop function/call return attributes like 'nounwind'.Duncan Sands
2008-01-30Make DSE much more aggressive by performing DCE earlier. Update a testcase t...Owen Anderson
2008-01-30Fix a bug where scalarrepl would discard offset if type would match.Chris Lattner
2008-01-29Don't let globalopt hack on volatile loads or stores.Chris Lattner
2008-01-29eliminate additions of 0.0 when they are obviously dead. This has to be care...Chris Lattner
2008-01-29Add a testcase for eliminating memcpy's at the end of functions. Forgot to c...Owen Anderson
2008-01-29Filter loops that subtract induction variables.Devang Patel
2008-01-28this test is now compiled into the right thing.Chris Lattner
2008-01-28Handle some more combinations of extend and icmp. Fixes PR1940.Nick Lewycky
2008-01-28Fix PR1932 by disabling an xform invalid for fdiv.Chris Lattner
2008-01-28Fix PR1938 by forcing the code that uses an undefined value to branch oneChris Lattner
2008-01-27Be more careful modifying the use_list while also iterating through it.Nick Lewycky
2008-01-27Revert r46393: readonly/readnone functions are noDuncan Sands
2008-01-27The CorrelatedExpressions pass is now no more.Bill Wendling
2008-01-27Fold fptrunc(add (fpextend x), (fpextend y)) -> add(x,y), as GCC does.Chris Lattner
2008-01-26Invert this test, because it is wrong if we allowDuncan Sands
2008-01-25DeadStoreElimination can treat byval parameters as if there were alloca's for...Owen Anderson
2008-01-22Multiply can be evaluated in a different type, so long as the target type hasNick Lewycky
2008-01-17Test case for varargs parameter attribute issue I just fixed.Evan Cheng
2008-01-17Fix arg promotion to propagate the correct attrs on the calls toChris Lattner
2008-01-16Do not strip llvm.used values.Devang Patel
2008-01-15add a test to ensure that argpromote of one argument doesn't Chris Lattner
2008-01-14I noticed that the trampoline straightening transformation couldDuncan Sands
2008-01-14Fix the miscompilation of MiBench/consumer-lame that was exposed by Evan'sChris Lattner
2008-01-14Turn a memcpy from a double* into a load/store of double instead ofChris Lattner