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2005-05-12handle a common case generated by the uint64 -> FP code path betterChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21888 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12add fixmeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21887 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix a really horrible problem that causes the JIT to miscompile any programChris Lattner
that use 64-bit integers on 32-bit hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21886 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix a problem where early legalization can cause token chain problems.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21885 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12These targets don't like setccChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21884 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Add a little hookChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21883 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -CChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21882 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Add testcase for legalizing ISD::CTTZ efficiently. On PPC, ctlz(int) isNate Begeman
now codegen'd as this: addi r2, r3, -1 andc r2, r2, r3 cntlzw r2, r2 subfic r3, r2, 32 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21881 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Necessary changes to codegen cttz efficiently on PowerPCNate Begeman
1. Teach LegalizeDAG how to better legalize CTTZ if the target doesn't have CTPOP, but does have CTLZ 2. Teach PPC32 how to do sub x, const -> add x, -const for valid consts 3. Teach PPC32 how to do and (xor a, -1) b -> andc b, a 4. Teach PPC32 that ISD::CTLZ -> PPC::CNTLZW git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21880 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Regression test for PR#563.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21879 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fixed issue that broke ssa.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21878 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11fix some GCC 4 warningsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21877 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Added support for decomposing constant expressions containing shr and shlJohn Criswell
instructions. Review of this commit would be greatly appreciated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21876 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passesChris Lattner
with the CBE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21875 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix lowering of cttz to work with signed valuesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21874 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11fix and concisify intinsic lowering for ctpop. Unfortunately, this codeChris Lattner
looks completely untested. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21873 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix the last remaining bug preventing us from switching the X86 BE overChris Lattner
from the simple isel to the pattern isel. This forces inserted libcalls to serialize against other function calls, which was breaking UnitTests/2005-05-12-Int64ToFP. Hopefully this will fix issues on other targets as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21872 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21871 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11wrap long lineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21870 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11new methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21869 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Make sure to legalize generated ctpop nodes, convert tabs to spacesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21868 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Legalize for CTLZ generates a ctpop, but this ctpop is not expanded.Andrew Lenharth
This is bad. It is generated if you are ctlz a type that is not legal for the arch (aka ctlz of bytes on alpha legalize fine). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21867 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11expand count-leading/trailing-zeros; the test 2005-05-11-Popcount-ffs-fls.cDuraid Madina
should now pass (the "LLVM" and "REF" results should be identical) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11include the other bit count intrinsicsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21863 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Add some notes for expanding clz/ctzChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21862 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Simplify this code, use the proper shift amountChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21861 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11add the popcount instruction and support this in the iselDuraid Madina
the primary user of this will probably end up being find-first-set-bit/find- last-set-bit, which i'll get around to... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21860 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Legalize this correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21859 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11No really IA*64* :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21858 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11X86 has more than just 32-bit registersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21857 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11implement expansion of ctpop nodes, implementing ↵Chris Lattner
CodeGen/Generic/llvm-ct-intrinsics.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21856 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Print bit count nodes correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21855 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21854 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11update this to reflect the new selection daggy worldChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21853 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11don't duplicate information, particularly when it's out of date!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21852 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Do not use "" as a sentinal for a missing argument! This fixes PR560.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21850 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10new testcase for PR562Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21849 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Remove vim modeline; this should go into ~/.vimrcMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21848 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Remove vim modeline, this belongs in ~/.vimrcMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21847 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Consistently surround `cl::' code structures with <b> and <tt> to make themMisha Brukman
stand out as code git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21846 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Why output multiple strings, let the compiler concatenate them for us for freeMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21845 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10* Convert tabs to spaces, fix code alignmentMisha Brukman
* Remove trailing whitespace * Wrap long lines git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21844 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10note HP-UX supportDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21841 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Convert feature of the simple isel over for the pattern isel to use.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21840 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Fix Reassociate/shifttest.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21839 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Silence some VC++ warningsJeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21838 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21837 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09If a function contains no allocas, all of the calls in it are triviallyChris Lattner
suitable for tail calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21836 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09The semantics of cast X to bool are a comparison against zero, not a truncation!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21833 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09testcase I've had in my treeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21832 91177308-0d34-0410-b5e6-96231b3b80d8
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