diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 0038633cd6..4a6f409a16 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5627,7 +5627,8 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { (LibInfo->has(LibFunc::log2l) && Name == "log2l")) { if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && - I.getType() == I.getArgOperand(0)->getType()) { + I.getType() == I.getArgOperand(0)->getType() && + I.onlyReadsMemory()) { SDValue Tmp = getValue(I.getArgOperand(0)); setValue(&I, DAG.getNode(ISD::FLOG2, getCurDebugLoc(), Tmp.getValueType(), Tmp)); @@ -5638,7 +5639,8 @@ void SelectionDAGBuilder::visitCall(const CallInst &I) { (LibInfo->has(LibFunc::exp2l) && Name == "exp2l")) { if (I.getNumArgOperands() == 1 && // Basic sanity checks. I.getArgOperand(0)->getType()->isFloatingPointTy() && - I.getType() == I.getArgOperand(0)->getType()) { + I.getType() == I.getArgOperand(0)->getType() && + I.onlyReadsMemory()) { SDValue Tmp = getValue(I.getArgOperand(0)); setValue(&I, DAG.getNode(ISD::FEXP2, getCurDebugLoc(), Tmp.getValueType(), Tmp)); |