diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelLowering.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.h b/llvm/lib/Target/SystemZ/SystemZISelLowering.h index 16a8291aba6..0ca93a38a01 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelLowering.h +++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.h @@ -93,6 +93,19 @@ enum NodeType : unsigned { SDIVREM, UDIVREM, + // Add/subtract with overflow/carry. These have the same operands as + // the corresponding standard operations, except with the carry flag + // replaced by a condition code value. + SADDO, SSUBO, UADDO, USUBO, ADDCARRY, SUBCARRY, + + // Set the condition code from a boolean value in operand 0. + // Operand 1 is a mask of all condition-code values that may result of this + // operation, operand 2 is a mask of condition-code values that may result + // if the boolean is true. + // Note that this operation is always optimized away, we will never + // generate any code for it. + GET_CCMASK, + // Use a series of MVCs to copy bytes from one memory location to another. // The operands are: // - the target address @@ -548,6 +561,8 @@ private: SDValue lowerUMUL_LOHI(SDValue Op, SelectionDAG &DAG) const; SDValue lowerSDIVREM(SDValue Op, SelectionDAG &DAG) const; SDValue lowerUDIVREM(SDValue Op, SelectionDAG &DAG) const; + SDValue lowerXALUO(SDValue Op, SelectionDAG &DAG) const; + SDValue lowerADDSUBCARRY(SDValue Op, SelectionDAG &DAG) const; SDValue lowerBITCAST(SDValue Op, SelectionDAG &DAG) const; SDValue lowerOR(SDValue Op, SelectionDAG &DAG) const; SDValue lowerCTPOP(SDValue Op, SelectionDAG &DAG) const; @@ -590,6 +605,7 @@ private: SDValue combineSHIFTROT(SDNode *N, DAGCombinerInfo &DCI) const; SDValue combineBR_CCMASK(SDNode *N, DAGCombinerInfo &DCI) const; SDValue combineSELECT_CCMASK(SDNode *N, DAGCombinerInfo &DCI) const; + SDValue combineGET_CCMASK(SDNode *N, DAGCombinerInfo &DCI) const; // If the last instruction before MBBI in MBB was some form of COMPARE, // try to replace it with a COMPARE AND BRANCH just before MBBI. |
