diff options
Diffstat (limited to 'utils/TableGen/CodeGenRegisters.cpp')
| -rw-r--r-- | utils/TableGen/CodeGenRegisters.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/utils/TableGen/CodeGenRegisters.cpp b/utils/TableGen/CodeGenRegisters.cpp index 8ff24fd361..e0239912dc 100644 --- a/utils/TableGen/CodeGenRegisters.cpp +++ b/utils/TableGen/CodeGenRegisters.cpp @@ -504,6 +504,18 @@ void CodeGenRegisterClass::computeSubClasses(CodeGenRegBank &RegBank) { RegClasses[rci]->inheritProperties(RegBank); } +void +CodeGenRegisterClass::getSuperRegClasses(Record *SubIdx, BitVector &Out) const { + DenseMap<Record*, SmallPtrSet<CodeGenRegisterClass*, 8> >::const_iterator + FindI = SuperRegClasses.find(SubIdx); + if (FindI == SuperRegClasses.end()) + return; + for (SmallPtrSet<CodeGenRegisterClass*, 8>::const_iterator I = + FindI->second.begin(), E = FindI->second.end(); I != E; ++I) + Out.set((*I)->EnumValue); +} + + //===----------------------------------------------------------------------===// // CodeGenRegBank //===----------------------------------------------------------------------===// @@ -879,8 +891,10 @@ void CodeGenRegBank::inferMatchingSuperRegClass(CodeGenRegisterClass *RC, if (SubSet.empty()) continue; // RC injects completely into SubRC. - if (SubSet.size() == SSPairs.size()) + if (SubSet.size() == SSPairs.size()) { + SubRC->addSuperRegClass(SubIdx, RC); continue; + } // Only a subset of RC maps into SubRC. Make sure it is represented by a // class. getOrCreateSubClass(RC, &SubSet, RC->getName() + |