R600/SI: Add new helper isSGPRClassID
Move these into header since they are trivial llvm-svn: 218360
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@ -288,13 +288,6 @@ const TargetRegisterClass *SIRegisterInfo::getPhysRegClass(unsigned Reg) const {
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return nullptr;
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}
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bool SIRegisterInfo::isSGPRClass(const TargetRegisterClass *RC) const {
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if (!RC) {
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return false;
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}
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return !hasVGPRs(RC);
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}
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bool SIRegisterInfo::hasVGPRs(const TargetRegisterClass *RC) const {
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return getCommonSubClass(&AMDGPU::VReg_32RegClass, RC) ||
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getCommonSubClass(&AMDGPU::VReg_64RegClass, RC) ||
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@ -46,7 +46,20 @@ struct SIRegisterInfo : public AMDGPURegisterInfo {
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const TargetRegisterClass *getPhysRegClass(unsigned Reg) const;
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/// \returns true if this class contains only SGPR registers
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bool isSGPRClass(const TargetRegisterClass *RC) const;
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bool isSGPRClass(const TargetRegisterClass *RC) const {
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if (!RC)
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return false;
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return !hasVGPRs(RC);
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}
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/// \returns true if this class ID contains only SGPR registers
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bool isSGPRClassID(unsigned RCID) const {
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if (static_cast<int>(RCID) == -1)
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return false;
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return isSGPRClass(getRegClass(RCID));
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}
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/// \returns true if this class contains VGPR registers.
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bool hasVGPRs(const TargetRegisterClass *RC) const;
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