diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index cbeebc4b0d..a6376bee4e 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -388,6 +388,18 @@ public: /// none is found. int findFirstPredOperandIdx() const; + /// findInlineAsmFlagIdx() - Find the index of the flag word operand that + /// corresponds to operand OpIdx on an inline asm instruction. Returns -1 if + /// getOperand(OpIdx) does not belong to an inline asm operand group. + /// + /// If GroupNo is not NULL, it will receive the number of the operand group + /// containing OpIdx. + /// + /// The flag operand is an immediate that can be decoded with methods like + /// InlineAsm::hasRegClassConstraint(). + /// + int findInlineAsmFlagIdx(unsigned OpIdx, unsigned *GroupNo = 0) const; + /// isRegTiedToUseOperand - Given the index of a register def operand, /// check if the register def is tied to a source operand, due to either /// two-address elimination or inline assembly constraints. Returns the |