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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2015-04-13 17:16:45 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2015-04-13 17:16:45 +0000 |
| commit | a46c36b8f460923bf3fc351bd0e2abe30c8b8777 (patch) | |
| tree | fb2b29f666151adbe14431ae0b83939c7d8f438c /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | a283cb3265c21fe2ad00a562275327eb5f9baa30 (diff) | |
| download | bcm5719-llvm-a46c36b8f460923bf3fc351bd0e2abe30c8b8777.tar.gz bcm5719-llvm-a46c36b8f460923bf3fc351bd0e2abe30c8b8777.zip | |
Allow memory intrinsics to be tail calls
llvm-svn: 234764
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 9080e34289e..0a97ef81b3c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -4294,7 +4294,7 @@ static SDValue getMemsetStores(SelectionDAG &DAG, SDLoc dl, SDValue SelectionDAG::getMemcpy(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, SDValue Size, unsigned Align, bool isVol, bool AlwaysInline, - MachinePointerInfo DstPtrInfo, + bool isTailCall, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) { assert(Align && "The SDAG layer expects explicit alignment and reserves 0"); @@ -4352,15 +4352,16 @@ SDValue SelectionDAG::getMemcpy(SDValue Chain, SDLoc dl, SDValue Dst, Type::getVoidTy(*getContext()), getExternalSymbol(TLI->getLibcallName(RTLIB::MEMCPY), TLI->getPointerTy()), std::move(Args), 0) - .setDiscardResult(); - std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI); + .setDiscardResult() + .setTailCall(isTailCall); + std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI); return CallResult.second; } SDValue SelectionDAG::getMemmove(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, SDValue Size, - unsigned Align, bool isVol, + unsigned Align, bool isVol, bool isTailCall, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) { assert(Align && "The SDAG layer expects explicit alignment and reserves 0"); @@ -4407,15 +4408,16 @@ SDValue SelectionDAG::getMemmove(SDValue Chain, SDLoc dl, SDValue Dst, Type::getVoidTy(*getContext()), getExternalSymbol(TLI->getLibcallName(RTLIB::MEMMOVE), TLI->getPointerTy()), std::move(Args), 0) - .setDiscardResult(); - std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI); + .setDiscardResult() + .setTailCall(isTailCall); + std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI); return CallResult.second; } SDValue SelectionDAG::getMemset(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src, SDValue Size, - unsigned Align, bool isVol, + unsigned Align, bool isVol, bool isTailCall, MachinePointerInfo DstPtrInfo) { assert(Align && "The SDAG layer expects explicit alignment and reserves 0"); @@ -4464,7 +4466,8 @@ SDValue SelectionDAG::getMemset(SDValue Chain, SDLoc dl, SDValue Dst, Type::getVoidTy(*getContext()), getExternalSymbol(TLI->getLibcallName(RTLIB::MEMSET), TLI->getPointerTy()), std::move(Args), 0) - .setDiscardResult(); + .setDiscardResult() + .setTailCall(isTailCall); std::pair<SDValue,SDValue> CallResult = TLI->LowerCallTo(CLI); return CallResult.second; |
