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Diffstat (limited to 'lib/Target/NVPTX/NVPTXRegisterInfo.cpp')
-rw-r--r--lib/Target/NVPTX/NVPTXRegisterInfo.cpp264
1 files changed, 35 insertions, 229 deletions
diff --git a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
index e3cd46f063bf..282465359b07 100644
--- a/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
+++ b/lib/Target/NVPTX/NVPTXRegisterInfo.cpp
@@ -13,260 +13,88 @@
#define DEBUG_TYPE "nvptx-reg-info"
-#include "NVPTX.h"
#include "NVPTXRegisterInfo.h"
+#include "NVPTX.h"
#include "NVPTXSubtarget.h"
#include "llvm/ADT/BitVector.h"
-#include "llvm/CodeGen/MachineInstrBuilder.h"
-#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/Target/TargetInstrInfo.h"
-
using namespace llvm;
-namespace llvm
-{
-std::string getNVPTXRegClassName (TargetRegisterClass const *RC) {
+namespace llvm {
+std::string getNVPTXRegClassName(TargetRegisterClass const *RC) {
if (RC == &NVPTX::Float32RegsRegClass) {
return ".f32";
}
if (RC == &NVPTX::Float64RegsRegClass) {
return ".f64";
- }
- else if (RC == &NVPTX::Int64RegsRegClass) {
+ } else if (RC == &NVPTX::Int64RegsRegClass) {
return ".s64";
- }
- else if (RC == &NVPTX::Int32RegsRegClass) {
+ } else if (RC == &NVPTX::Int32RegsRegClass) {
return ".s32";
- }
- else if (RC == &NVPTX::Int16RegsRegClass) {
+ } else if (RC == &NVPTX::Int16RegsRegClass) {
return ".s16";
}
- // Int8Regs become 16-bit registers in PTX
- else if (RC == &NVPTX::Int8RegsRegClass) {
+ // Int8Regs become 16-bit registers in PTX
+ else if (RC == &NVPTX::Int8RegsRegClass) {
return ".s16";
- }
- else if (RC == &NVPTX::Int1RegsRegClass) {
+ } else if (RC == &NVPTX::Int1RegsRegClass) {
return ".pred";
- }
- else if (RC == &NVPTX::SpecialRegsRegClass) {
+ } else if (RC == &NVPTX::SpecialRegsRegClass) {
return "!Special!";
- }
- else if (RC == &NVPTX::V2F32RegsRegClass) {
- return ".v2.f32";
- }
- else if (RC == &NVPTX::V4F32RegsRegClass) {
- return ".v4.f32";
- }
- else if (RC == &NVPTX::V2I32RegsRegClass) {
- return ".v2.s32";
- }
- else if (RC == &NVPTX::V4I32RegsRegClass) {
- return ".v4.s32";
- }
- else if (RC == &NVPTX::V2F64RegsRegClass) {
- return ".v2.f64";
- }
- else if (RC == &NVPTX::V2I64RegsRegClass) {
- return ".v2.s64";
- }
- else if (RC == &NVPTX::V2I16RegsRegClass) {
- return ".v2.s16";
- }
- else if (RC == &NVPTX::V4I16RegsRegClass) {
- return ".v4.s16";
- }
- else if (RC == &NVPTX::V2I8RegsRegClass) {
- return ".v2.s16";
- }
- else if (RC == &NVPTX::V4I8RegsRegClass) {
- return ".v4.s16";
- }
- else {
+ } else {
return "INTERNAL";
}
return "";
}
-std::string getNVPTXRegClassStr (TargetRegisterClass const *RC) {
+std::string getNVPTXRegClassStr(TargetRegisterClass const *RC) {
if (RC == &NVPTX::Float32RegsRegClass) {
return "%f";
}
if (RC == &NVPTX::Float64RegsRegClass) {
return "%fd";
- }
- else if (RC == &NVPTX::Int64RegsRegClass) {
+ } else if (RC == &NVPTX::Int64RegsRegClass) {
return "%rd";
- }
- else if (RC == &NVPTX::Int32RegsRegClass) {
+ } else if (RC == &NVPTX::Int32RegsRegClass) {
return "%r";
- }
- else if (RC == &NVPTX::Int16RegsRegClass) {
+ } else if (RC == &NVPTX::Int16RegsRegClass) {
return "%rs";
- }
- else if (RC == &NVPTX::Int8RegsRegClass) {
+ } else if (RC == &NVPTX::Int8RegsRegClass) {
return "%rc";
- }
- else if (RC == &NVPTX::Int1RegsRegClass) {
+ } else if (RC == &NVPTX::Int1RegsRegClass) {
return "%p";
- }
- else if (RC == &NVPTX::SpecialRegsRegClass) {
+ } else if (RC == &NVPTX::SpecialRegsRegClass) {
return "!Special!";
- }
- else if (RC == &NVPTX::V2F32RegsRegClass) {
- return "%v2f";
- }
- else if (RC == &NVPTX::V4F32RegsRegClass) {
- return "%v4f";
- }
- else if (RC == &NVPTX::V2I32RegsRegClass) {
- return "%v2r";
- }
- else if (RC == &NVPTX::V4I32RegsRegClass) {
- return "%v4r";
- }
- else if (RC == &NVPTX::V2F64RegsRegClass) {
- return "%v2fd";
- }
- else if (RC == &NVPTX::V2I64RegsRegClass) {
- return "%v2rd";
- }
- else if (RC == &NVPTX::V2I16RegsRegClass) {
- return "%v2s";
- }
- else if (RC == &NVPTX::V4I16RegsRegClass) {
- return "%v4rs";
- }
- else if (RC == &NVPTX::V2I8RegsRegClass) {
- return "%v2rc";
- }
- else if (RC == &NVPTX::V4I8RegsRegClass) {
- return "%v4rc";
- }
- else {
+ } else {
return "INTERNAL";
}
return "";
}
-
-bool isNVPTXVectorRegClass(TargetRegisterClass const *RC) {
- if (RC->getID() == NVPTX::V2F32RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V2F64RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V2I16RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V2I32RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V2I64RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V2I8RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V4F32RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V4I16RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V4I32RegsRegClassID)
- return true;
- if (RC->getID() == NVPTX::V4I8RegsRegClassID)
- return true;
- return false;
-}
-
-std::string getNVPTXElemClassName(TargetRegisterClass const *RC) {
- if (RC->getID() == NVPTX::V2F32RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Float32RegsRegClass);
- if (RC->getID() == NVPTX::V2F64RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Float64RegsRegClass);
- if (RC->getID() == NVPTX::V2I16RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int16RegsRegClass);
- if (RC->getID() == NVPTX::V2I32RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int32RegsRegClass);
- if (RC->getID() == NVPTX::V2I64RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int64RegsRegClass);
- if (RC->getID() == NVPTX::V2I8RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int8RegsRegClass);
- if (RC->getID() == NVPTX::V4F32RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Float32RegsRegClass);
- if (RC->getID() == NVPTX::V4I16RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int16RegsRegClass);
- if (RC->getID() == NVPTX::V4I32RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int32RegsRegClass);
- if (RC->getID() == NVPTX::V4I8RegsRegClassID)
- return getNVPTXRegClassName(&NVPTX::Int8RegsRegClass);
- llvm_unreachable("Not a vector register class");
-}
-
-const TargetRegisterClass *getNVPTXElemClass(TargetRegisterClass const *RC) {
- if (RC->getID() == NVPTX::V2F32RegsRegClassID)
- return (&NVPTX::Float32RegsRegClass);
- if (RC->getID() == NVPTX::V2F64RegsRegClassID)
- return (&NVPTX::Float64RegsRegClass);
- if (RC->getID() == NVPTX::V2I16RegsRegClassID)
- return (&NVPTX::Int16RegsRegClass);
- if (RC->getID() == NVPTX::V2I32RegsRegClassID)
- return (&NVPTX::Int32RegsRegClass);
- if (RC->getID() == NVPTX::V2I64RegsRegClassID)
- return (&NVPTX::Int64RegsRegClass);
- if (RC->getID() == NVPTX::V2I8RegsRegClassID)
- return (&NVPTX::Int8RegsRegClass);
- if (RC->getID() == NVPTX::V4F32RegsRegClassID)
- return (&NVPTX::Float32RegsRegClass);
- if (RC->getID() == NVPTX::V4I16RegsRegClassID)
- return (&NVPTX::Int16RegsRegClass);
- if (RC->getID() == NVPTX::V4I32RegsRegClassID)
- return (&NVPTX::Int32RegsRegClass);
- if (RC->getID() == NVPTX::V4I8RegsRegClassID)
- return (&NVPTX::Int8RegsRegClass);
- llvm_unreachable("Not a vector register class");
-}
-
-int getNVPTXVectorSize(TargetRegisterClass const *RC) {
- if (RC->getID() == NVPTX::V2F32RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V2F64RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V2I16RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V2I32RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V2I64RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V2I8RegsRegClassID)
- return 2;
- if (RC->getID() == NVPTX::V4F32RegsRegClassID)
- return 4;
- if (RC->getID() == NVPTX::V4I16RegsRegClassID)
- return 4;
- if (RC->getID() == NVPTX::V4I32RegsRegClassID)
- return 4;
- if (RC->getID() == NVPTX::V4I8RegsRegClassID)
- return 4;
- llvm_unreachable("Not a vector register class");
-}
}
NVPTXRegisterInfo::NVPTXRegisterInfo(const TargetInstrInfo &tii,
const NVPTXSubtarget &st)
- : NVPTXGenRegisterInfo(0),
- Is64Bit(st.is64Bit()) {}
+ : NVPTXGenRegisterInfo(0), Is64Bit(st.is64Bit()) {}
#define GET_REGINFO_TARGET_DESC
#include "NVPTXGenRegisterInfo.inc"
/// NVPTX Callee Saved Registers
-const uint16_t* NVPTXRegisterInfo::
-getCalleeSavedRegs(const MachineFunction *MF) const {
+const uint16_t *
+NVPTXRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
static const uint16_t CalleeSavedRegs[] = { 0 };
return CalleeSavedRegs;
}
// NVPTX Callee Saved Reg Classes
-const TargetRegisterClass* const*
+const TargetRegisterClass *const *
NVPTXRegisterInfo::getCalleeSavedRegClasses(const MachineFunction *MF) const {
- static const TargetRegisterClass * const CalleeSavedRegClasses[] = { 0 };
+ static const TargetRegisterClass *const CalleeSavedRegClasses[] = { 0 };
return CalleeSavedRegClasses;
}
@@ -275,34 +103,24 @@ BitVector NVPTXRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
return Reserved;
}
-void NVPTXRegisterInfo::
-eliminateFrameIndex(MachineBasicBlock::iterator II,
- int SPAdj,
- RegScavenger *RS) const {
+void NVPTXRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
+ int SPAdj, unsigned FIOperandNum,
+ RegScavenger *RS) const {
assert(SPAdj == 0 && "Unexpected");
- unsigned i = 0;
MachineInstr &MI = *II;
- while (!MI.getOperand(i).isFI()) {
- ++i;
- assert(i < MI.getNumOperands() &&
- "Instr doesn't have FrameIndex operand!");
- }
-
- int FrameIndex = MI.getOperand(i).getIndex();
+ int FrameIndex = MI.getOperand(FIOperandNum).getIndex();
MachineFunction &MF = *MI.getParent()->getParent();
int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex) +
- MI.getOperand(i+1).getImm();
+ MI.getOperand(FIOperandNum + 1).getImm();
// Using I0 as the frame pointer
- MI.getOperand(i).ChangeToRegister(NVPTX::VRFrame, false);
- MI.getOperand(i+1).ChangeToImmediate(Offset);
+ MI.getOperand(FIOperandNum).ChangeToRegister(NVPTX::VRFrame, false);
+ MI.getOperand(FIOperandNum + 1).ChangeToImmediate(Offset);
}
-
-int NVPTXRegisterInfo::
-getDwarfRegNum(unsigned RegNum, bool isEH) const {
+int NVPTXRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const {
return 0;
}
@@ -310,16 +128,4 @@ unsigned NVPTXRegisterInfo::getFrameRegister(const MachineFunction &MF) const {
return NVPTX::VRFrame;
}
-unsigned NVPTXRegisterInfo::getRARegister() const {
- return 0;
-}
-
-// This function eliminates ADJCALLSTACKDOWN,
-// ADJCALLSTACKUP pseudo instructions
-void NVPTXRegisterInfo::
-eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const {
- // Simply discard ADJCALLSTACKDOWN,
- // ADJCALLSTACKUP instructions.
- MBB.erase(I);
-}
+unsigned NVPTXRegisterInfo::getRARegister() const { return 0; }
generated by cgit v1.3 (git 2.53.0) at 2026-04-19 04:53:40 +0000