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Diffstat (limited to 'include/llvm/CodeGen/MachineRegisterInfo.h')
-rw-r--r--include/llvm/CodeGen/MachineRegisterInfo.h98
1 files changed, 45 insertions, 53 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 1026654da3d7..c027783aae55 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -14,11 +14,13 @@
#ifndef LLVM_CODEGEN_MACHINEREGISTERINFO_H
#define LLVM_CODEGEN_MACHINEREGISTERINFO_H
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/IndexedMap.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/ADT/PointerUnion.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/GlobalISel/RegisterBank.h"
#include "llvm/CodeGen/LowLevelType.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
@@ -41,8 +43,8 @@ namespace llvm {
class PSetIterator;
/// Convenient type to represent either a register class or a register bank.
-typedef PointerUnion<const TargetRegisterClass *, const RegisterBank *>
- RegClassOrRegBank;
+using RegClassOrRegBank =
+ PointerUnion<const TargetRegisterClass *, const RegisterBank *>;
/// MachineRegisterInfo - Keep track of information for virtual and physical
/// registers, including vreg register classes, use/def chains for registers,
@@ -125,7 +127,7 @@ private:
/// started.
BitVector ReservedRegs;
- typedef DenseMap<unsigned, LLT> VRegToTypeMap;
+ using VRegToTypeMap = DenseMap<unsigned, LLT>;
/// Map generic virtual registers to their actual size.
mutable std::unique_ptr<VRegToTypeMap> VRegToType;
@@ -266,8 +268,8 @@ public:
/// reg_iterator/reg_begin/reg_end - Walk all defs and uses of the specified
/// register.
- typedef defusechain_iterator<true,true,false,true,false,false>
- reg_iterator;
+ using reg_iterator =
+ defusechain_iterator<true, true, false, true, false, false>;
reg_iterator reg_begin(unsigned RegNo) const {
return reg_iterator(getRegUseDefListHead(RegNo));
}
@@ -279,8 +281,8 @@ public:
/// reg_instr_iterator/reg_instr_begin/reg_instr_end - Walk all defs and uses
/// of the specified register, stepping by MachineInstr.
- typedef defusechain_instr_iterator<true,true,false,false,true,false>
- reg_instr_iterator;
+ using reg_instr_iterator =
+ defusechain_instr_iterator<true, true, false, false, true, false>;
reg_instr_iterator reg_instr_begin(unsigned RegNo) const {
return reg_instr_iterator(getRegUseDefListHead(RegNo));
}
@@ -295,8 +297,8 @@ public:
/// reg_bundle_iterator/reg_bundle_begin/reg_bundle_end - Walk all defs and uses
/// of the specified register, stepping by bundle.
- typedef defusechain_instr_iterator<true,true,false,false,false,true>
- reg_bundle_iterator;
+ using reg_bundle_iterator =
+ defusechain_instr_iterator<true, true, false, false, false, true>;
reg_bundle_iterator reg_bundle_begin(unsigned RegNo) const {
return reg_bundle_iterator(getRegUseDefListHead(RegNo));
}
@@ -314,8 +316,8 @@ public:
/// reg_nodbg_iterator/reg_nodbg_begin/reg_nodbg_end - Walk all defs and uses
/// of the specified register, skipping those marked as Debug.
- typedef defusechain_iterator<true,true,true,true,false,false>
- reg_nodbg_iterator;
+ using reg_nodbg_iterator =
+ defusechain_iterator<true, true, true, true, false, false>;
reg_nodbg_iterator reg_nodbg_begin(unsigned RegNo) const {
return reg_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -331,8 +333,8 @@ public:
/// reg_instr_nodbg_iterator/reg_instr_nodbg_begin/reg_instr_nodbg_end - Walk
/// all defs and uses of the specified register, stepping by MachineInstr,
/// skipping those marked as Debug.
- typedef defusechain_instr_iterator<true,true,true,false,true,false>
- reg_instr_nodbg_iterator;
+ using reg_instr_nodbg_iterator =
+ defusechain_instr_iterator<true, true, true, false, true, false>;
reg_instr_nodbg_iterator reg_instr_nodbg_begin(unsigned RegNo) const {
return reg_instr_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -348,8 +350,8 @@ public:
/// reg_bundle_nodbg_iterator/reg_bundle_nodbg_begin/reg_bundle_nodbg_end - Walk
/// all defs and uses of the specified register, stepping by bundle,
/// skipping those marked as Debug.
- typedef defusechain_instr_iterator<true,true,true,false,false,true>
- reg_bundle_nodbg_iterator;
+ using reg_bundle_nodbg_iterator =
+ defusechain_instr_iterator<true, true, true, false, false, true>;
reg_bundle_nodbg_iterator reg_bundle_nodbg_begin(unsigned RegNo) const {
return reg_bundle_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -369,8 +371,8 @@ public:
}
/// def_iterator/def_begin/def_end - Walk all defs of the specified register.
- typedef defusechain_iterator<false,true,false,true,false,false>
- def_iterator;
+ using def_iterator =
+ defusechain_iterator<false, true, false, true, false, false>;
def_iterator def_begin(unsigned RegNo) const {
return def_iterator(getRegUseDefListHead(RegNo));
}
@@ -382,8 +384,8 @@ public:
/// def_instr_iterator/def_instr_begin/def_instr_end - Walk all defs of the
/// specified register, stepping by MachineInst.
- typedef defusechain_instr_iterator<false,true,false,false,true,false>
- def_instr_iterator;
+ using def_instr_iterator =
+ defusechain_instr_iterator<false, true, false, false, true, false>;
def_instr_iterator def_instr_begin(unsigned RegNo) const {
return def_instr_iterator(getRegUseDefListHead(RegNo));
}
@@ -398,8 +400,8 @@ public:
/// def_bundle_iterator/def_bundle_begin/def_bundle_end - Walk all defs of the
/// specified register, stepping by bundle.
- typedef defusechain_instr_iterator<false,true,false,false,false,true>
- def_bundle_iterator;
+ using def_bundle_iterator =
+ defusechain_instr_iterator<false, true, false, false, false, true>;
def_bundle_iterator def_bundle_begin(unsigned RegNo) const {
return def_bundle_iterator(getRegUseDefListHead(RegNo));
}
@@ -425,8 +427,8 @@ public:
}
/// use_iterator/use_begin/use_end - Walk all uses of the specified register.
- typedef defusechain_iterator<true,false,false,true,false,false>
- use_iterator;
+ using use_iterator =
+ defusechain_iterator<true, false, false, true, false, false>;
use_iterator use_begin(unsigned RegNo) const {
return use_iterator(getRegUseDefListHead(RegNo));
}
@@ -438,8 +440,8 @@ public:
/// use_instr_iterator/use_instr_begin/use_instr_end - Walk all uses of the
/// specified register, stepping by MachineInstr.
- typedef defusechain_instr_iterator<true,false,false,false,true,false>
- use_instr_iterator;
+ using use_instr_iterator =
+ defusechain_instr_iterator<true, false, false, false, true, false>;
use_instr_iterator use_instr_begin(unsigned RegNo) const {
return use_instr_iterator(getRegUseDefListHead(RegNo));
}
@@ -454,8 +456,8 @@ public:
/// use_bundle_iterator/use_bundle_begin/use_bundle_end - Walk all uses of the
/// specified register, stepping by bundle.
- typedef defusechain_instr_iterator<true,false,false,false,false,true>
- use_bundle_iterator;
+ using use_bundle_iterator =
+ defusechain_instr_iterator<true, false, false, false, false, true>;
use_bundle_iterator use_bundle_begin(unsigned RegNo) const {
return use_bundle_iterator(getRegUseDefListHead(RegNo));
}
@@ -482,8 +484,8 @@ public:
/// use_nodbg_iterator/use_nodbg_begin/use_nodbg_end - Walk all uses of the
/// specified register, skipping those marked as Debug.
- typedef defusechain_iterator<true,false,true,true,false,false>
- use_nodbg_iterator;
+ using use_nodbg_iterator =
+ defusechain_iterator<true, false, true, true, false, false>;
use_nodbg_iterator use_nodbg_begin(unsigned RegNo) const {
return use_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -499,8 +501,8 @@ public:
/// use_instr_nodbg_iterator/use_instr_nodbg_begin/use_instr_nodbg_end - Walk
/// all uses of the specified register, stepping by MachineInstr, skipping
/// those marked as Debug.
- typedef defusechain_instr_iterator<true,false,true,false,true,false>
- use_instr_nodbg_iterator;
+ using use_instr_nodbg_iterator =
+ defusechain_instr_iterator<true, false, true, false, true, false>;
use_instr_nodbg_iterator use_instr_nodbg_begin(unsigned RegNo) const {
return use_instr_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -516,8 +518,8 @@ public:
/// use_bundle_nodbg_iterator/use_bundle_nodbg_begin/use_bundle_nodbg_end - Walk
/// all uses of the specified register, stepping by bundle, skipping
/// those marked as Debug.
- typedef defusechain_instr_iterator<true,false,true,false,false,true>
- use_bundle_nodbg_iterator;
+ using use_bundle_nodbg_iterator =
+ defusechain_instr_iterator<true, false, true, false, false, true>;
use_bundle_nodbg_iterator use_bundle_nodbg_begin(unsigned RegNo) const {
return use_bundle_nodbg_iterator(getRegUseDefListHead(RegNo));
}
@@ -593,7 +595,6 @@ public:
/// Return the register class of the specified virtual register.
/// This shouldn't be used directly unless \p Reg has a register class.
/// \see getRegClassOrNull when this might happen.
- ///
const TargetRegisterClass *getRegClass(unsigned Reg) const {
assert(VRegInfo[Reg].first.is<const TargetRegisterClass *>() &&
"Register class not set, wrong accessor");
@@ -620,7 +621,6 @@ public:
/// a register bank or has been assigned a register class.
/// \note It is possible to get the register bank from the register class via
/// RegisterBankInfo::getRegBankFromRegClass.
- ///
const RegisterBank *getRegBankOrNull(unsigned Reg) const {
const RegClassOrRegBank &Val = VRegInfo[Reg].first;
return Val.dyn_cast<const RegisterBank *>();
@@ -629,17 +629,14 @@ public:
/// Return the register bank or register class of \p Reg.
/// \note Before the register bank gets assigned (i.e., before the
/// RegBankSelect pass) \p Reg may not have either.
- ///
const RegClassOrRegBank &getRegClassOrRegBank(unsigned Reg) const {
return VRegInfo[Reg].first;
}
/// setRegClass - Set the register class of the specified virtual register.
- ///
void setRegClass(unsigned Reg, const TargetRegisterClass *RC);
/// Set the register bank to \p RegBank for \p Reg.
- ///
void setRegBank(unsigned Reg, const RegisterBank &RegBank);
void setRegClassOrRegBank(unsigned Reg,
@@ -653,7 +650,6 @@ public:
/// new register class, or NULL if no such class exists.
/// This should only be used when the constraint is known to be trivial, like
/// GR32 -> GR32_NOSP. Beware of increasing register pressure.
- ///
const TargetRegisterClass *constrainRegClass(unsigned Reg,
const TargetRegisterClass *RC,
unsigned MinNumRegs = 0);
@@ -665,12 +661,10 @@ public:
/// This method can be used after constraints have been removed from a
/// virtual register, for example after removing instructions or splitting
/// the live range.
- ///
bool recomputeRegClass(unsigned Reg);
/// createVirtualRegister - Create and return a new virtual register in the
/// function with the specified register class.
- ///
unsigned createVirtualRegister(const TargetRegisterClass *RegClass);
/// Accessor for VRegToType. This accessor should only be used
@@ -704,7 +698,6 @@ public:
unsigned createIncompleteVirtualRegister();
/// getNumVirtRegs - Return the number of virtual registers created.
- ///
unsigned getNumVirtRegs() const { return VRegInfo.size(); }
/// clearVirtRegs - Remove all virtual registers (after physreg assignment).
@@ -810,7 +803,6 @@ public:
///
/// Reserved registers may belong to an allocatable register class, but the
/// target has explicitly requested that they are not used.
- ///
bool isReserved(unsigned PhysReg) const {
return getReservedRegs().test(PhysReg);
}
@@ -838,8 +830,8 @@ public:
// Iteration support for the live-ins set. It's kept in sorted order
// by register number.
- typedef std::vector<std::pair<unsigned,unsigned>>::const_iterator
- livein_iterator;
+ using livein_iterator =
+ std::vector<std::pair<unsigned,unsigned>>::const_iterator;
livein_iterator livein_begin() const { return LiveIns.begin(); }
livein_iterator livein_end() const { return LiveIns.end(); }
bool livein_empty() const { return LiveIns.empty(); }
@@ -910,10 +902,10 @@ public:
}
public:
- typedef std::iterator<std::forward_iterator_tag,
- MachineInstr, ptrdiff_t>::reference reference;
- typedef std::iterator<std::forward_iterator_tag,
- MachineInstr, ptrdiff_t>::pointer pointer;
+ using reference = std::iterator<std::forward_iterator_tag,
+ MachineInstr, ptrdiff_t>::reference;
+ using pointer = std::iterator<std::forward_iterator_tag,
+ MachineInstr, ptrdiff_t>::pointer;
defusechain_iterator() = default;
@@ -1016,10 +1008,10 @@ public:
}
public:
- typedef std::iterator<std::forward_iterator_tag,
- MachineInstr, ptrdiff_t>::reference reference;
- typedef std::iterator<std::forward_iterator_tag,
- MachineInstr, ptrdiff_t>::pointer pointer;
+ using reference = std::iterator<std::forward_iterator_tag,
+ MachineInstr, ptrdiff_t>::reference;
+ using pointer = std::iterator<std::forward_iterator_tag,
+ MachineInstr, ptrdiff_t>::pointer;
defusechain_instr_iterator() = default;
generated by cgit v1.3 (git 2.53.0) at 2026-07-25 08:38:54 +0000