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2005-05-08new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21777 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08clean up and modernize this pass.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21776 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08Strength reduce SAR into SHR if there is no way sign bits could be shiftedChris Lattner
in. This tends to get cases like this: X = cast ubyte to int Y = shr int X, ... Tested by: shift.ll:test24 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21775 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21774 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08Update my infoJeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21773 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08Refactor some codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21772 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08Handle some simple cases where we can see that values get annihilated.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21771 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Fix a miscompilation of crafty by clobbering the "A" variable.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21770 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Move licm after reassociate, add some cond-propagate passesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21769 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Rewrite the guts of the reassociate pass to be more efficient and logical. ↵Chris Lattner
Instead of trying to do local reassociation tweaks at each level, only process an expression tree once (at its root). This does not improve the reassociation pass in any real way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21768 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07* Break tests into individual cases so its easier to see what's going on.Reid Spencer
* Add four new cases to handle the new optimizations for strlen, dealing with: strlen(x) != 0 -> *x != 0 strlen(x) == 0 -> *x == 0 for each of two cases: strlen(x) != 0 and strlen(x) == 0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21767 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07* Add two strlen optimizations:Reid Spencer
strlen(x) != 0 -> *x != 0 strlen(x) == 0 -> *x == 0 * Change nested statistics to use style of other LLVM statistics so that only the name of the optimization (simplify-libcalls) is used as the statistic name, and the description indicates which specific all is optimized. Cuts down on some redundancy and saves a few bytes of space. * Make note of stpcpy optimization that could be done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21766 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Don't increment the counter unless the debug flag is set.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21762 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Convert shifts to muls to assist reassociation. This implementsChris Lattner
Reassociate/shifttest.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21761 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07test that reassociate can handle shiftsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21760 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Simplify the code and rearrange it. No major functionality changes here.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21759 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07Silence VC++ warnings about unsafe mixing of ints and bools with the | operator.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21758 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07add note about bit builtins newly supportedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21757 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21756 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-07fix bugs in my previous commit clarify the return type of the bit opsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21755 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06add a couple of notesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21754 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06document calling convention extensionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21753 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06remove some dead (always dynamically false) flagsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21752 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06encode calling conventions for call/invoke instructions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21751 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21750 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06encode function calling convs in the bytecode file. invoke and call areChris Lattner
still to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21749 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06parse new calling conv specifiersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21748 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06wrap a longlineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21747 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06add support for explicit calling conventionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21746 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Add support for explicit calling conventionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21745 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06New fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21744 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06use splice instead of remove/insert for a minor speedupChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21743 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06remove some ugly hacks that are no longer needed since andrew removed theChris Lattner
varargs munging code git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21742 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06BAD typeo which caused many testsuite failures last night. Note to self, doChris Lattner
not change code after testing it without retesting! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21741 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06clean up the CBE output a bitChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21740 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06add tail marker as a commentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21739 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Make the stub functions be tail callsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21738 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Preserve tail markerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21737 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Implement Transforms/Inline/inline-tail.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21736 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Make sure to not accidentally get a bogus tail markerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21735 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06preserve the tail markerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21734 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06add a default argChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21733 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Don't forget these are callsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21730 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06lex tailChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21729 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06test that tail call survives bytecodificationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21728 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06add bytecode reader support for tail callsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21727 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Hilight tailChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21726 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06These are legal for tail callsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21723 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Add a 'tail' marker for call instructions, patch contributed byChris Lattner
Alexander Friedman. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21722 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-06Add info on new 'tail' markerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21721 91177308-0d34-0410-b5e6-96231b3b80d8
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