From 882bb2984ebba782593fecd02befe5d5b6a40eb7 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Fri, 18 Jun 2010 18:13:55 +0000 Subject: Start TargetRegisterClass indices at 0 instead of 1, so that MachineRegisterInfo doesn't have to confusingly allocate an extra entry. llvm-svn: 106296 --- llvm/lib/CodeGen/MachineRegisterInfo.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp') diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp index e09e7432d4d..3982499eab6 100644 --- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp +++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp @@ -20,7 +20,7 @@ using namespace llvm; MachineRegisterInfo::MachineRegisterInfo(const TargetRegisterInfo &TRI) { VRegInfo.reserve(256); RegAllocHints.reserve(256); - RegClass2VRegMap.resize(TRI.getNumRegClasses()+1); // RC ID starts at 1. + RegClass2VRegMap = new std::vector[TRI.getNumRegClasses()]; UsedPhysRegs.resize(TRI.getNumRegs()); // Create the physreg use/def lists. @@ -52,7 +52,7 @@ MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) { // Remove from old register class's vregs list. This may be slow but // fortunately this operation is rarely needed. std::vector &VRegs = RegClass2VRegMap[OldRC->getID()]; - std::vector::iterator I=std::find(VRegs.begin(), VRegs.end(), VR); + std::vector::iterator I = std::find(VRegs.begin(), VRegs.end(), VR); VRegs.erase(I); // Add to new register class's vregs list. -- cgit v1.2.3