diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h b/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h index 19fc044..c081f38 100644 --- a/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h +++ b/contrib/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.h @@ -77,6 +77,12 @@ class InstrEmitter { DenseMap<SDValue, unsigned> &VRBaseMap, bool IsDebug, bool IsClone, bool IsCloned); + /// ConstrainForSubReg - Try to constrain VReg to a register class that + /// supports SubIdx sub-registers. Emit a copy if that isn't possible. + /// Return the virtual register to use. + unsigned ConstrainForSubReg(unsigned VReg, unsigned SubIdx, + EVT VT, DebugLoc DL); + /// EmitSubregNode - Generate machine code for subreg nodes. /// void EmitSubregNode(SDNode *Node, DenseMap<SDValue, unsigned> &VRBaseMap, |
