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Diffstat (limited to 'include/llvm/CodeGen/MachineRegisterInfo.h')
-rw-r--r--include/llvm/CodeGen/MachineRegisterInfo.h20
1 files changed, 8 insertions, 12 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 74df8da20ed3..10797263650d 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -32,11 +32,6 @@ class MachineRegisterInfo {
IndexedMap<std::pair<const TargetRegisterClass*, MachineOperand*>,
VirtReg2IndexFunctor> VRegInfo;
- /// RegClassVRegMap - This vector acts as a map from TargetRegisterClass to
- /// virtual registers. For each target register class, it keeps a list of
- /// virtual registers belonging to the class.
- std::vector<unsigned> *RegClass2VRegMap;
-
/// RegAllocHints - This vector records register allocation hints for virtual
/// registers. For each virtual register, it keeps a register and hint type
/// pair making up the allocation hint. Hint type is target specific except
@@ -216,13 +211,6 @@ public:
///
unsigned getNumVirtRegs() const { return VRegInfo.size(); }
- /// getRegClassVirtRegs - Return the list of virtual registers of the given
- /// target register class.
- const std::vector<unsigned> &
- getRegClassVirtRegs(const TargetRegisterClass *RC) const {
- return RegClass2VRegMap[RC->getID()];
- }
-
/// setRegAllocationHint - Specify a register allocation hint for the
/// specified virtual register.
void setRegAllocationHint(unsigned Reg, unsigned Type, unsigned PrefReg) {
@@ -237,6 +225,14 @@ public:
return RegAllocHints[Reg];
}
+ /// getSimpleHint - Return the preferred register allocation hint, or 0 if a
+ /// standard simple hint (Type == 0) is not set.
+ unsigned getSimpleHint(unsigned Reg) const {
+ std::pair<unsigned, unsigned> Hint = getRegAllocationHint(Reg);
+ return Hint.first ? 0 : Hint.second;
+ }
+
+
//===--------------------------------------------------------------------===//
// Physical Register Use Info
//===--------------------------------------------------------------------===//