diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index a5555364c82a..9ffd09e41d17 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -6263,7 +6263,10 @@ MemSDNode::MemSDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, assert(isVolatile() == MMO->isVolatile() && "Volatile encoding error!"); assert(isNonTemporal() == MMO->isNonTemporal() && "Non-temporal encoding error!"); - assert(memvt.getStoreSize() == MMO->getSize() && "Size mismatch!"); + // We check here that the size of the memory operand fits within the size of + // the MMO. This is because the MMO might indicate only a possible address + // range instead of specifying the affected memory addresses precisely. + assert(memvt.getStoreSize() <= MMO->getSize() && "Size mismatch!"); } MemSDNode::MemSDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, @@ -6273,7 +6276,7 @@ MemSDNode::MemSDNode(unsigned Opc, unsigned Order, DebugLoc dl, SDVTList VTs, SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, MMO->isVolatile(), MMO->isNonTemporal(), MMO->isInvariant()); assert(isVolatile() == MMO->isVolatile() && "Volatile encoding error!"); - assert(memvt.getStoreSize() == MMO->getSize() && "Size mismatch!"); + assert(memvt.getStoreSize() <= MMO->getSize() && "Size mismatch!"); } /// Profile - Gather unique data for the node. |