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Add hooks for other intrinsics to get low-precision expansions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55845 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2753,6 +2753,58 @@ SelectionDAGLowering::implVisitBinaryAtomic(CallInst& I, ISD::NodeType Op) {
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return 0;
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}
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/// visitExp - lower an exp intrinsic. Handles the special sequences
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/// for limited-precision mode.
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void
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SelectionDAGLowering::visitExp(CallInst &I) {
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SDValue result;
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// No special expansion.
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result = DAG.getNode(ISD::FEXP,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1)));
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setValue(&I, result);
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}
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/// visitLog - lower a log intrinsic. Handles the special sequences
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/// for limited-precision mode.
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void
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SelectionDAGLowering::visitLog(CallInst &I) {
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SDValue result;
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// No special expansion.
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result = DAG.getNode(ISD::FLOG,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1)));
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setValue(&I, result);
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}
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/// visitLog2 - lower a log2 intrinsic. Handles the special sequences
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/// for limited-precision mode.
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void
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SelectionDAGLowering::visitLog2(CallInst &I) {
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SDValue result;
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// No special expansion.
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result = DAG.getNode(ISD::FLOG2,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1)));
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setValue(&I, result);
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}
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/// visitLog10 - lower a log10 intrinsic. Handles the special sequences
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/// for limited-precision mode.
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void
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SelectionDAGLowering::visitLog10(CallInst &I) {
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SDValue result;
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// No special expansion.
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result = DAG.getNode(ISD::FLOG10,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1)));
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setValue(&I, result);
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}
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/// visitExp2 - lower an exp2 intrinsic. Handles the special sequences
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/// for limited-precision mode.
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@ -3071,24 +3123,16 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
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getValue(I.getOperand(1))));
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return 0;
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case Intrinsic::log:
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setValue(&I, DAG.getNode(ISD::FLOG,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1))));
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visitLog(I);
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return 0;
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case Intrinsic::log2:
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setValue(&I, DAG.getNode(ISD::FLOG2,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1))));
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visitLog2(I);
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return 0;
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case Intrinsic::log10:
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setValue(&I, DAG.getNode(ISD::FLOG10,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1))));
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visitLog10(I);
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return 0;
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case Intrinsic::exp:
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setValue(&I, DAG.getNode(ISD::FEXP,
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getValue(I.getOperand(1)).getValueType(),
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getValue(I.getOperand(1))));
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visitExp(I);
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return 0;
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case Intrinsic::exp2:
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visitExp2(I);
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@ -506,6 +506,10 @@ private:
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void visitTargetIntrinsic(CallInst &I, unsigned Intrinsic);
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void visitExp2(CallInst &I);
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void visitExp(CallInst &I);
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void visitLog(CallInst &I);
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void visitLog2(CallInst &I);
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void visitLog10(CallInst &I);
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void visitVAStart(CallInst &I);
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void visitVAArg(VAArgInst &I);
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