diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelLowering.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp index d49d7316e68..ad14e5e34e2 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -1844,11 +1844,14 @@ static void adjustSubwordCmp(SelectionDAG &DAG, const SDLoc &DL, ISD::SEXTLOAD : ISD::ZEXTLOAD); if (C.Op0.getValueType() != MVT::i32 || - Load->getExtensionType() != ExtType) + Load->getExtensionType() != ExtType) { C.Op0 = DAG.getExtLoad(ExtType, SDLoc(Load), MVT::i32, Load->getChain(), Load->getBasePtr(), Load->getPointerInfo(), Load->getMemoryVT(), Load->getAlignment(), Load->getMemOperand()->getFlags()); + // Update the chain uses. + DAG.ReplaceAllUsesOfValueWith(SDValue(Load, 1), C.Op0.getValue(1)); + } // Make sure that the second operand is an i32 with the right value. if (C.Op1.getValueType() != MVT::i32 || @@ -2940,9 +2943,13 @@ SDValue SystemZTargetLowering::lowerBITCAST(SDValue Op, // but we need this case for bitcasts that are created during lowering // and which are then lowered themselves. if (auto *LoadN = dyn_cast<LoadSDNode>(In)) - if (ISD::isNormalLoad(LoadN)) - return DAG.getLoad(ResVT, DL, LoadN->getChain(), LoadN->getBasePtr(), - LoadN->getMemOperand()); + if (ISD::isNormalLoad(LoadN)) { + SDValue NewLoad = DAG.getLoad(ResVT, DL, LoadN->getChain(), + LoadN->getBasePtr(), LoadN->getMemOperand()); + // Update the chain uses. + DAG.ReplaceAllUsesOfValueWith(SDValue(LoadN, 1), NewLoad.getValue(1)); + return NewLoad; + } if (InVT == MVT::i32 && ResVT == MVT::f32) { SDValue In64; |
