diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 750f0bb6f5..f04f401377 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3035,17 +3035,20 @@ SDOperand DAGCombiner::visitSTORE(SDNode *N) { } // Turn 'store float 1.0, Ptr' -> 'store int 0x12345678, Ptr' - // FIXME: We shouldn't do this for TargetConstantFP's. if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(Value)) { - SDOperand Tmp; - if (CFP->getValueType(0) == MVT::f32) { - Tmp = DAG.getConstant(FloatToBits(CFP->getValue()), MVT::i32); - } else { - assert(CFP->getValueType(0) == MVT::f64 && "Unknown FP type!"); - Tmp = DAG.getConstant(DoubleToBits(CFP->getValue()), MVT::i64); + if (Value.getOpcode() != ISD::TargetConstantFP) { + SDOperand Tmp; + if (CFP->getValueType(0) == MVT::f32) { + Tmp = DAG.getConstant(FloatToBits(CFP->getValue()), MVT::i32); + return DAG.getStore(Chain, Tmp, Ptr, ST->getSrcValue(), + ST->getSrcValueOffset()); + } else if (TLI.isTypeLegal(MVT::i64)) { + assert(CFP->getValueType(0) == MVT::f64 && "Unknown FP type!"); + Tmp = DAG.getConstant(DoubleToBits(CFP->getValue()), MVT::i64); + return DAG.getStore(Chain, Tmp, Ptr, ST->getSrcValue(), + ST->getSrcValueOffset()); + } } - return DAG.getStore(Chain, Tmp, Ptr, ST->getSrcValue(), - ST->getSrcValueOffset()); } if (CombinerAA) { |