diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index faa0e35da0..11c6ad6c53 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -133,20 +133,25 @@ namespace ISD { // UNDEF - An undefined node UNDEF, - /// FORMAL_ARGUMENTS(CHAIN, CC#, ISVARARG) - This node represents the formal - /// arguments for a function. CC# is a Constant value indicating the - /// calling convention of the function, and ISVARARG is a flag that - /// indicates whether the function is varargs or not. This node has one - /// result value for each incoming argument, plus one for the output chain. - /// It must be custom legalized. + /// FORMAL_ARGUMENTS(CHAIN, CC#, ISVARARG, FLAG0, ..., FLAGn) - This node + /// represents the formal arguments for a function. CC# is a Constant value + /// indicating the calling convention of the function, and ISVARARG is a + /// flag that indicates whether the function is varargs or not. This node + /// has one result value for each incoming argument, plus one for the output + /// chain. It must be custom legalized. See description of CALL node for + /// FLAG argument contents explanation. /// FORMAL_ARGUMENTS, /// RV1, RV2...RVn, CHAIN = CALL(CHAIN, CC#, ISVARARG, ISTAILCALL, CALLEE, - /// ARG0, SIGN0, ARG1, SIGN1, ... ARGn, SIGNn) + /// ARG0, FLAG0, ARG1, FLAG1, ... ARGn, FLAGn) /// This node represents a fully general function call, before the legalizer - /// runs. This has one result value for each argument / signness pair, plus - /// a chain result. It must be custom legalized. + /// runs. This has one result value for each argument / flag pair, plus + /// a chain result. It must be custom legalized. Flag argument indicates + /// misc. argument attributes. Currently: + /// Bit 0 - signness + /// Bit 1 - 'inreg' attribute + /// Bit 2 - 'sret' attribute CALL, // EXTRACT_ELEMENT - This is used to get the first or second (determined by |