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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-29 14:02:34 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-29 14:02:34 +0000 |
| commit | d31f972bd33de85071c716f69bf5c6d735f730f2 (patch) | |
| tree | 043445afb1aebab394f490a791eb8f072a6f7377 /lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp | |
| parent | 17c6e6d9cf4c9e56a6a28e4d0ae3699d376a8962 (diff) | |
| download | external_llvm-d31f972bd33de85071c716f69bf5c6d735f730f2.zip external_llvm-d31f972bd33de85071c716f69bf5c6d735f730f2.tar.gz external_llvm-d31f972bd33de85071c716f69bf5c6d735f730f2.tar.bz2 | |
Add a VT argument to getMinimalPhysRegClass and replace the copy related uses
of getPhysicalRegisterRegClass with it.
If we want to make a copy (or estimate its cost), it is better to use the
smallest class as more efficient operations might be possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107140 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp index ad8630a..3b86c32 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp @@ -535,7 +535,7 @@ void ScheduleDAGFast::ListScheduleBottomUp() { SUnit *LRDef = LiveRegDefs[Reg]; EVT VT = getPhysicalRegisterVT(LRDef->getNode(), Reg, TII); const TargetRegisterClass *RC = - TRI->getPhysicalRegisterRegClass(Reg, VT); + TRI->getMinimalPhysRegClass(Reg, VT); const TargetRegisterClass *DestRC = TRI->getCrossCopyRegClass(RC); // If cross copy register class is null, then it must be possible copy |