diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 30815c536baacc07e925f0aef23a5395883173dc (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /lib/CodeGen/SelectionDAG/InstrEmitter.h | |
| parent | 411bd29eea3c360d5b48a18a17b5e87f5671af0e (diff) | |
Diffstat (limited to 'lib/CodeGen/SelectionDAG/InstrEmitter.h')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.h b/lib/CodeGen/SelectionDAG/InstrEmitter.h index 19fc0445b166..c081f38be024 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.h +++ b/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, |