diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 91c49fab43..559bc0271a 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -499,9 +499,16 @@ namespace ISD { // return values: a chain and a flag result. The inputs are as follows: // Operand #0 : Input chain. // Operand #1 : a ExternalSymbolSDNode with a pointer to the asm string. - // Operand #2n+2: A RegisterNode. - // Operand #2n+3: A TargetConstant, indicating if the reg is a use/def + // Operand #2 : a MDNodeSDNode with the !srcloc metadata. + // After this, it is followed by a list of operands with this format: + // ConstantSDNode: Flags that encode whether it is a mem or not, the + // of operands that follow, etc. See InlineAsm.h. + // ... however many operands ... // Operand #last: Optional, an incoming flag. + // + // The variable width operands are required to represent target addressing + // modes as a single "operand", even though they may have multiple + // SDOperands. INLINEASM, // EH_LABEL - Represents a label in mid basic block used to track @@ -542,6 +549,10 @@ namespace ISD { // SRCVALUE - This is a node type that holds a Value* that is used to // make reference to a value in the LLVM IR. SRCVALUE, + + // MDNODE_SDNODE - This is a node that holdes an MDNode*, which is used to + // reference metadata in the IR. + MDNODE_SDNODE, // PCMARKER - This corresponds to the pcmarker intrinsic. PCMARKER, @@ -2053,6 +2064,21 @@ public: return N->getOpcode() == ISD::SRCVALUE; } }; + +class MDNodeSDNode : public SDNode { + const MDNode *MD; + friend class SelectionDAG; + explicit MDNodeSDNode(const MDNode *md) + : SDNode(ISD::MDNODE_SDNODE, DebugLoc(), getSDVTList(MVT::Other)), MD(md) {} +public: + + const MDNode *getMD() const { return MD; } + + static bool classof(const MDNodeSDNode *) { return true; } + static bool classof(const SDNode *N) { + return N->getOpcode() == ISD::MDNODE_SDNODE; + } +}; class RegisterSDNode : public SDNode { |