diff options
Diffstat (limited to 'include/llvm/CodeGen/ISDOpcodes.h')
| -rw-r--r-- | include/llvm/CodeGen/ISDOpcodes.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/ISDOpcodes.h b/include/llvm/CodeGen/ISDOpcodes.h index 2300a106c3586..bc5d2353f63e3 100644 --- a/include/llvm/CodeGen/ISDOpcodes.h +++ b/include/llvm/CodeGen/ISDOpcodes.h @@ -410,12 +410,22 @@ namespace ISD { /// then the result type must also be a vector type. SETCC, - /// Like SetCC, ops #0 and #1 are the LHS and RHS operands to compare, but + /// Like SetCC, ops #0 and #1 are the LHS and RHS operands to compare, and /// op #2 is a *carry value*. This operator checks the result of /// "LHS - RHS - Carry", and can be used to compare two wide integers: /// (setcce lhshi rhshi (subc lhslo rhslo) cc). Only valid for integers. + /// FIXME: This node is deprecated in favor of SETCCCARRY. + /// It is kept around for now to provide a smooth transition path + /// toward the use of SETCCCARRY and will eventually be removed. SETCCE, + /// Like SetCC, ops #0 and #1 are the LHS and RHS operands to compare, but + /// op #2 is a boolean indicating if there is an incoming carry. This + /// operator checks the result of "LHS - RHS - Carry", and can be used to + /// compare two wide integers: (setcce lhshi rhshi (subc lhslo rhslo) cc). + /// Only valid for integers. + SETCCCARRY, + /// SHL_PARTS/SRA_PARTS/SRL_PARTS - These operators are used for expanded /// integer shift operations. The operation ordering is: /// [Lo,Hi] = op [LoLHS,HiLHS], Amt |