diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index c468a0fabc1..e48e6fa8aee 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4148,6 +4148,10 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node) { ReplacedNode(Node); break; } + case ISD::SDIV: + case ISD::SREM: + case ISD::UDIV: + case ISD::UREM: case ISD::AND: case ISD::OR: case ISD::XOR: { @@ -4157,7 +4161,20 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node) { TruncOp = ISD::BITCAST; } else { assert(OVT.isInteger() && "Cannot promote logic operation"); - ExtOp = ISD::ANY_EXTEND; + + switch (Node->getOpcode()) { + default: + ExtOp = ISD::ANY_EXTEND; + break; + case ISD::SDIV: + case ISD::SREM: + ExtOp = ISD::SIGN_EXTEND; + break; + case ISD::UDIV: + case ISD::UREM: + ExtOp = ISD::ZERO_EXTEND; + break; + } TruncOp = ISD::TRUNCATE; } // Promote each of the values to the new type. |

