diff options
| author | Dan Gohman <gohman@apple.com> | 2008-07-12 00:10:52 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-07-12 00:10:52 +0000 |
| commit | cddc11e7570893233af8e84dfb8e7f0f9ab0090d (patch) | |
| tree | 85c63075a9070e7cd0d818346341fdb13758d1f2 /include/llvm/CodeGen/MachineInstr.h | |
| parent | e6acf36dca9864c6ead9113f0322f174469810cc (diff) | |
Add a utility function to MachineInstr for testing whether an instruction
has exactly one MachineMemOperand, and change some X86 lowering code to
make use of it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53498 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/MachineInstr.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 88116d2bb2..31f4974699 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -115,6 +115,13 @@ public: { return MemOperands.end(); } bool memoperands_empty() const { return MemOperands.empty(); } + /// hasOneMemOperand - Return true if this instruction has exactly one + /// MachineMemOperand. + bool hasOneMemOperand() const { + return !memoperands_empty() && + next(memoperands_begin()) == memoperands_end(); + } + /// isIdenticalTo - Return true if this instruction is identical to (same /// opcode and same operands as) the specified instruction. bool isIdenticalTo(const MachineInstr *Other) const { |