From a9fdbbc55f640fecd3bb8df12fd205694c2f71a2 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Tue, 22 May 2012 18:20:28 +0000 Subject: 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 --- utils/TableGen/CodeGenRegisters.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'utils/TableGen/CodeGenRegisters.cpp') 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; } -- cgit v1.2.3