diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index cbaa13c55f5..c118dfffed2 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -15450,16 +15450,17 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) { if (auto *C = dyn_cast<ConstantSDNode>(Value)) { APInt Val = C1->getAPIntValue(); APInt InsertVal = C->getAPIntValue().zextOrTrunc(STByteSize * 8); - if (DAG.getDataLayout().isBigEndian()) - Offset = ChainByteSize - 1 - Offset; - Val.insertBits(InsertVal, Offset * 8); - SDValue NewSDVal = - DAG.getConstant(Val, SDLoc(C), ChainValue.getValueType(), - C1->isTargetOpcode(), C1->isOpaque()); - SDNode *NewST1 = DAG.UpdateNodeOperands( - ST1, ST1->getChain(), NewSDVal, ST1->getOperand(2), - ST1->getOperand(3)); - return CombineTo(ST, SDValue(NewST1, 0)); + // FIXME: Handle Big-endian mode. + if (!DAG.getDataLayout().isBigEndian()) { + Val.insertBits(InsertVal, Offset * 8); + SDValue NewSDVal = + DAG.getConstant(Val, SDLoc(C), ChainValue.getValueType(), + C1->isTargetOpcode(), C1->isOpaque()); + SDNode *NewST1 = DAG.UpdateNodeOperands( + ST1, ST1->getChain(), NewSDVal, ST1->getOperand(2), + ST1->getOperand(3)); + return CombineTo(ST, SDValue(NewST1, 0)); + } } } } // End ST subset of ST1 case. |
