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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-22 18:20:28 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-05-22 18:20:28 +0000 |
commit | a9fdbbc55f640fecd3bb8df12fd205694c2f71a2 (patch) | |
tree | 695e4ef9f2dd8087d1e8d174efc8c5196aa0daa8 /utils/TableGen/CodeGenRegisters.cpp | |
parent | 49317e2df30f912915b7b27bd3eb50dcb8d4d294 (diff) | |
download | llvm-a9fdbbc55f640fecd3bb8df12fd205694c2f71a2.tar.gz llvm-a9fdbbc55f640fecd3bb8df12fd205694c2f71a2.tar.bz2 llvm-a9fdbbc55f640fecd3bb8df12fd205694c2f71a2.tar.xz |
Also compute TopoSigs in synthetic register classes.
CodeGenRegisterClass has two constructors. Both need to compute the
TopoSigs BitVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157271 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenRegisters.cpp')
-rw-r--r-- | utils/TableGen/CodeGenRegisters.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/utils/TableGen/CodeGenRegisters.cpp b/utils/TableGen/CodeGenRegisters.cpp index 813a71ab3b..2b064aa307 100644 --- a/utils/TableGen/CodeGenRegisters.cpp +++ b/utils/TableGen/CodeGenRegisters.cpp @@ -764,15 +764,20 @@ CodeGenRegisterClass::CodeGenRegisterClass(CodeGenRegBank &RegBank, Record *R) // Create an inferred register class that was missing from the .td files. // Most properties will be inherited from the closest super-class after the // class structure has been computed. -CodeGenRegisterClass::CodeGenRegisterClass(StringRef Name, Key Props) +CodeGenRegisterClass::CodeGenRegisterClass(CodeGenRegBank &RegBank, + StringRef Name, Key Props) : Members(*Props.Members), TheDef(0), Name(Name), + TopoSigs(RegBank.getNumTopoSigs()), EnumValue(-1), SpillSize(Props.SpillSize), SpillAlignment(Props.SpillAlignment), CopyCost(0), Allocatable(true) { + for (CodeGenRegister::Set::iterator I = Members.begin(), E = Members.end(); + I != E; ++I) + TopoSigs.set((*I)->getTopoSig()); } // Compute inherited propertied for a synthesized register class. @@ -1080,7 +1085,7 @@ CodeGenRegBank::getOrCreateSubClass(const CodeGenRegisterClass *RC, return FoundI->second; // Sub-class doesn't exist, create a new one. - CodeGenRegisterClass *NewRC = new CodeGenRegisterClass(Name, K); + CodeGenRegisterClass *NewRC = new CodeGenRegisterClass(*this, Name, K); addToMaps(NewRC); return NewRC; } |