diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index d10fa4686c..68c9514990 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5631,6 +5631,28 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { Tmp.getValueType(), Tmp)); return; } + } else if ((LibInfo->has(LibFunc::log2) && Name == "log2") || + (LibInfo->has(LibFunc::log2f) && Name == "log2f") || + (LibInfo->has(LibFunc::log2l) && Name == "log2l")) { + if (I.getNumArgOperands() == 1 && // Basic sanity checks. + I.getArgOperand(0)->getType()->isFloatingPointTy() && + I.getType() == I.getArgOperand(0)->getType()) { + SDValue Tmp = getValue(I.getArgOperand(0)); + setValue(&I, DAG.getNode(ISD::FLOG2, getCurDebugLoc(), + Tmp.getValueType(), Tmp)); + return; + } + } else if ((LibInfo->has(LibFunc::exp2) && Name == "exp2") || + (LibInfo->has(LibFunc::exp2f) && Name == "exp2f") || + (LibInfo->has(LibFunc::exp2l) && Name == "exp2l")) { + if (I.getNumArgOperands() == 1 && // Basic sanity checks. + I.getArgOperand(0)->getType()->isFloatingPointTy() && + I.getType() == I.getArgOperand(0)->getType()) { + SDValue Tmp = getValue(I.getArgOperand(0)); + setValue(&I, DAG.getNode(ISD::FEXP2, getCurDebugLoc(), + Tmp.getValueType(), Tmp)); + return; + } } else if (Name == "memcmp") { if (visitMemCmpCall(I)) return; |