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Implement the -fno-builtin option in the front-end, not in the back-end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56900 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1049,8 +1049,7 @@ public:
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SDValue Chain,
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SDValue Op1, SDValue Op2,
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SDValue Op3, unsigned Align,
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const Value *DstSV, uint64_t DstOff,
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bool NoBuiltin = false) {
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const Value *DstSV, uint64_t DstOff) {
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return SDValue();
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}
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@ -41,11 +41,6 @@
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#include <cmath>
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using namespace llvm;
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static cl::opt<bool>
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NoBuiltin("no-builtin", cl::init(false),
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cl::desc("Don't recognize built-in functions that do not begin "
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"with `__builtin_' as prefix"));
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/// makeVTList - Return an instance of the SDVTList struct initialized with the
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/// specified members.
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static SDVTList makeVTList(const MVT *VTs, unsigned NumVTs) {
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@ -3195,7 +3190,7 @@ SDValue SelectionDAG::getMemset(SDValue Chain, SDValue Dst,
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// code. If the target chooses to do this, this is the next best.
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SDValue Result =
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TLI.EmitTargetCodeForMemset(*this, Chain, Dst, Src, Size, Align,
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DstSV, DstSVOff, NoBuiltin);
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DstSV, DstSVOff);
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if (Result.getNode())
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return Result;
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@ -5132,8 +5132,7 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG,
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SDValue Dst, SDValue Src,
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SDValue Size, unsigned Align,
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const Value *DstSV,
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uint64_t DstSVOff,
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bool NoBuiltin) {
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uint64_t DstSVOff) {
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ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size);
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// If not DWORD aligned or size is more than the threshold, call the library.
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@ -5148,24 +5147,22 @@ X86TargetLowering::EmitTargetCodeForMemset(SelectionDAG &DAG,
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// Check to see if there is a specialized entry-point for memory zeroing.
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ConstantSDNode *V = dyn_cast<ConstantSDNode>(Src);
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if (!NoBuiltin) {
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if (const char *bzeroEntry = V &&
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V->isNullValue() ? Subtarget->getBZeroEntry() : 0) {
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MVT IntPtr = getPointerTy();
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const Type *IntPtrTy = TD->getIntPtrType();
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TargetLowering::ArgListTy Args;
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TargetLowering::ArgListEntry Entry;
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Entry.Node = Dst;
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Entry.Ty = IntPtrTy;
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Args.push_back(Entry);
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Entry.Node = Size;
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Args.push_back(Entry);
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std::pair<SDValue,SDValue> CallResult =
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LowerCallTo(Chain, Type::VoidTy, false, false, false, false,
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CallingConv::C, false,
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DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG);
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return CallResult.second;
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}
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if (const char *bzeroEntry = V &&
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V->isNullValue() ? Subtarget->getBZeroEntry() : 0) {
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MVT IntPtr = getPointerTy();
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const Type *IntPtrTy = TD->getIntPtrType();
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TargetLowering::ArgListTy Args;
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TargetLowering::ArgListEntry Entry;
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Entry.Node = Dst;
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Entry.Ty = IntPtrTy;
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Args.push_back(Entry);
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Entry.Node = Size;
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Args.push_back(Entry);
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std::pair<SDValue,SDValue> CallResult =
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LowerCallTo(Chain, Type::VoidTy, false, false, false, false,
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CallingConv::C, false,
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DAG.getExternalSymbol(bzeroEntry, IntPtr), Args, DAG);
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return CallResult.second;
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}
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// Otherwise have the target-independent code call memset.
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@ -578,8 +578,7 @@ namespace llvm {
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SDValue Chain,
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SDValue Dst, SDValue Src,
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SDValue Size, unsigned Align,
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const Value *DstSV, uint64_t DstSVOff,
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bool NoBuiltin);
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const Value *DstSV, uint64_t DstSVOff);
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SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG,
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SDValue Chain,
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SDValue Dst, SDValue Src,
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