search for: expandbitcount

Displaying 4 results from an estimated 4 matches for "expandbitcount".

2008 Feb 20
1
[LLVMdev] ctpop intrinsic question
Hello, is it correct, that the "llvm.ctpop" Hamming weight intrinsic is currently (LLVM 2.2) implemented in Line 254 in lib/CodeGen/IntrinsicLowering.cpp /// LowerCTPOP - Emit the code to lower ctpop of V before the specified /// instruction IP. static Value *LowerCTPOP(Value *V, Instruction *IP) { assert(V->getType()->isInteger() && "Can't ctpop a
2009 May 21
0
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On Wed, May 20, 2009 at 4:55 PM, Dan Gohman <gohman at apple.com> wrote: > Can you explain why you chose the approach of using a new pass? > I pictured removing LegalizeDAG's type legalization code would > mostly consist of finding all the places that use TLI.getTypeAction > and just deleting code for handling its Expand and Promote. Are you > anticipating something more
2009 May 20
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On May 20, 2009, at 1:34 PM, Eli Friedman wrote: > On Wed, May 20, 2009 at 1:19 PM, Eli Friedman > <eli.friedman at gmail.com> wrote: > >> Per subject, this patch adding an additional pass to handle vector >> >> operations; the idea is that this allows removing the code from >> >> LegalizeDAG that handles illegal types, which should be a significant
2009 May 21
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
...p;Hi); - SDValue ExpandIntToFP(bool isSigned, MVT DestTy, SDValue Source, DebugLoc dl); SDValue EmitStackConvert(SDValue SrcOp, MVT SlotVT, MVT DestVT, DebugLoc dl); SDValue ExpandBUILD_VECTOR(SDNode *Node); @@ -306,12 +165,7 @@ SDValue ExpandBSWAP(SDValue Op, DebugLoc dl); SDValue ExpandBitCount(unsigned Opc, SDValue Op, DebugLoc dl); - bool ExpandShift(unsigned Opc, SDValue Op, SDValue Amt, - SDValue &Lo, SDValue &Hi, DebugLoc dl); - void ExpandShiftParts(unsigned NodeOp, SDValue Op, SDValue Amt, - SDValue &Lo, SDValue &Hi, DebugL...