aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/SelectionDAG
AgeCommit message (Collapse)Author
2005-05-13Emit function entry code after lowering hte arguments.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21931 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-13Allow targets to emit code into the entry block of each functionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21930 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-13Fix a problem that nate reduced for me.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21923 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-13rename variables and functions to match renamed DAG nodes. Bonus feature:Chris Lattner
I can actually remember which one is which now! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21922 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-13do not call expandop on the same value more than once. This fixesChris Lattner
X86/2004-02-22-Casts.llx git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21919 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12fix a bad typeoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21917 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12update commentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21916 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Pass calling convention to use into lower call toChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21900 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12fix expansion of ct[lt]z nodesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21896 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Expand 64-bit ctlz/cttz nodes for 32-bit targetsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21895 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP toChris Lattner
work on it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21894 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Allow something to be legalized multiple times. This can be used to reduceChris Lattner
legalization iteration git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21892 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Oops, don't do this after we figure out where to insert the call chains.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21890 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Make sure to expand all nodes, avoiding unintentional node duplication.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8
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 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
2005-05-12Make 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
2005-05-11Necessary 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
2005-05-11Fix 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
2005-05-11Make 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
2005-05-11expand 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
2005-05-11Add 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
2005-05-11Legalize this correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21859 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
2005-05-10Silence some VC++ warningsJeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21838 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
2005-05-09legalize readio/writeio into a load/store if requestedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21827 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09legalize READPORT, WRITEPORT, READIO, WRITEIO, at least in the basic casesChris Lattner
where they are directly supported by the architecture. Wrap a bunch of long lines :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21826 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Add support for matching the READPORT, WRITEPORT, READIO, WRITEIO intrinsicsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21825 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Add support for READPORT, WRITEPORT, READIO, WRITEIOChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21824 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Fold shifts into subsequent SHL's. These shifts often arise due to addrsesChris Lattner
arithmetic lowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21818 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Don't use the load/store instruction as the source pointer, use the pointerChris Lattner
being stored/loaded through! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21806 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09memoize all nodes, even null Value* nodes. Do not add two token chain outputsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21805 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09wrap long linesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21804 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Print SrcValue nodes correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21803 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-05When hitting an unsupported intrinsic, actually print itChris Lattner
Lower debug info to noops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21698 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-05ctpop lowering in legalizeAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21697 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-04Make promoteOp work for CT*Andrew Lenharth
Proof? ubyte %bar(ubyte %x) { entry: %tmp.1 = call ubyte %llvm.ctlz( ubyte %x ) ret ubyte %tmp.1 } ==> zapnot $16,1,$0 CTLZ $0,$0 subq $0,56,$0 zapnot $0,1,$0 ret $31,($26),1 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21691 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-03Implement count leading zeros (ctlz), count trailing zeros (cttz), and countAndrew Lenharth
population (ctpop). Generic lowering is implemented, however only promotion is implemented for SelectionDAG at the moment. More coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21676 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-30Codegen and legalize sin/cos/llvm.sqrt as FSIN/FCOS/FSQRT calls. This patchChris Lattner
was contributed by Morten Ofstad, with some minor tweaks and bug fixes added by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21636 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-28Legalize FSQRT, FSIN, FCOS nodes, patch contributed by Morten OfstadChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21606 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-28Add FSQRT, FSIN, FCOS nodes, patch contributed by Morten OfstadChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21605 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-27Implement Value* tracking for loads and stores in the selection DAG. This ↵Andrew Lenharth
enables one to use alias analysis in the backends. (TRUNK)Stores and (EXT|ZEXT|SEXT)Loads have an extra SDOperand which is a SrcValueSDNode which contains the Value*. Note that if the operation is introduced by the backend, it will still have the operand, but the value* will be null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21599 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-26Fold (X > -1) | (Y > -1) --> (X&Y > -1)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21552 91177308-0d34-0410-b5e6-96231b3b80d8
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-07-16 10:26:11 +0000