diff options
Diffstat (limited to 'llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp index f223fdbe..5998653 100644 --- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp +++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp @@ -2827,6 +2827,8 @@ static bool selectConstantAddr(SelectionDAG *CurDAG, const SDLoc &DL, static bool isWorthFoldingAdd(SDValue Add) { for (auto *User : Add->users()) { if (User->getOpcode() != ISD::LOAD && User->getOpcode() != ISD::STORE && + User->getOpcode() != RISCVISD::LD_RV32 && + User->getOpcode() != RISCVISD::SD_RV32 && User->getOpcode() != ISD::ATOMIC_LOAD && User->getOpcode() != ISD::ATOMIC_STORE) return false; @@ -2841,6 +2843,9 @@ static bool isWorthFoldingAdd(SDValue Add) { if (User->getOpcode() == ISD::ATOMIC_STORE && cast<AtomicSDNode>(User)->getVal() == Add) return false; + if (User->getOpcode() == RISCVISD::SD_RV32 && + (User->getOperand(0) == Add || User->getOperand(1) == Add)) + return false; if (isStrongerThanMonotonic(cast<MemSDNode>(User)->getSuccessOrdering())) return false; } |