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MachineRegisterInfo: Make it clear that hints are for vregs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233986 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -620,22 +620,25 @@ public:
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/// setRegAllocationHint - Specify a register allocation hint for the
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/// setRegAllocationHint - Specify a register allocation hint for the
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/// specified virtual register.
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/// specified virtual register.
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void setRegAllocationHint(unsigned Reg, unsigned Type, unsigned PrefReg) {
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void setRegAllocationHint(unsigned VReg, unsigned Type, unsigned PrefReg) {
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RegAllocHints[Reg].first = Type;
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assert(TargetRegisterInfo::isVirtualRegister(VReg));
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RegAllocHints[Reg].second = PrefReg;
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RegAllocHints[VReg].first = Type;
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RegAllocHints[VReg].second = PrefReg;
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}
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}
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/// getRegAllocationHint - Return the register allocation hint for the
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/// getRegAllocationHint - Return the register allocation hint for the
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/// specified virtual register.
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/// specified virtual register.
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std::pair<unsigned, unsigned>
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std::pair<unsigned, unsigned>
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getRegAllocationHint(unsigned Reg) const {
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getRegAllocationHint(unsigned VReg) const {
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return RegAllocHints[Reg];
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assert(TargetRegisterInfo::isVirtualRegister(VReg));
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return RegAllocHints[VReg];
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}
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}
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/// getSimpleHint - Return the preferred register allocation hint, or 0 if a
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/// getSimpleHint - Return the preferred register allocation hint, or 0 if a
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/// standard simple hint (Type == 0) is not set.
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/// standard simple hint (Type == 0) is not set.
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unsigned getSimpleHint(unsigned Reg) const {
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unsigned getSimpleHint(unsigned VReg) const {
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std::pair<unsigned, unsigned> Hint = getRegAllocationHint(Reg);
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assert(TargetRegisterInfo::isVirtualRegister(VReg));
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std::pair<unsigned, unsigned> Hint = getRegAllocationHint(VReg);
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return Hint.first ? 0 : Hint.second;
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return Hint.first ? 0 : Hint.second;
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}
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}
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