X86FastISel.cpp File Reference

#include "X86.h"
#include "X86CallingConv.h"
#include "X86InstrBuilder.h"
#include "X86InstrInfo.h"
#include "X86MachineFunctionInfo.h"
#include "X86RegisterInfo.h"
#include "X86Subtarget.h"
#include "X86TargetMachine.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/IntrinsicsX86.h"
#include "llvm/IR/Operator.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Target/TargetOptions.h"
#include "X86GenFastISel.inc"

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Functions
static std::pair< unsigned, bool >	getX86SSEConditionCode (CmpInst::Predicate Predicate)
static unsigned	X86ChooseCmpOpcode (EVT VT, const X86Subtarget *Subtarget)
static unsigned	X86ChooseCmpImmediateOpcode (EVT VT, const ConstantInt *RHSC)
	If we have a comparison with RHS as the RHS of the comparison, return an opcode that works for the compare (e.g.
static unsigned	computeBytesPoppedByCalleeForSRet (const X86Subtarget *Subtarget, CallingConv::ID CC, const CallBase *CB)

Function Documentation

computeBytesPoppedByCalleeForSRet()

static unsigned computeBytesPoppedByCalleeForSRet ( const X86Subtarget *  Subtarget, CallingConv::ID  CC, const CallBase *  CB  )

static

Definition at line 3177 of file X86FastISel.cpp.

References llvm::CallBase::arg_empty(), CC, llvm::CallingConv::Fast, llvm::X86Subtarget::getTargetTriple(), llvm::CallingConv::GHC, llvm::CallingConv::HiPE, llvm::Triple::isOSMSVCRT(), llvm::X86Subtarget::isTargetMCU(), llvm::CallBase::paramHasAttr(), llvm::CallingConv::SwiftTail, and llvm::CallingConv::Tail.

getX86SSEConditionCode()

static std::pair< unsigned, bool > getX86SSEConditionCode ( CmpInst::Predicate  Predicate )

static

Definition at line 175 of file X86FastISel.cpp.

References CC, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_ONE, llvm::CmpInst::FCMP_ORD, llvm::CmpInst::FCMP_UEQ, llvm::CmpInst::FCMP_UGE, llvm::CmpInst::FCMP_UGT, llvm::CmpInst::FCMP_ULE, llvm::CmpInst::FCMP_ULT, llvm::CmpInst::FCMP_UNE, llvm::CmpInst::FCMP_UNO, and llvm_unreachable.

X86ChooseCmpImmediateOpcode()

static unsigned X86ChooseCmpImmediateOpcode ( EVT  VT, const ConstantInt *  RHSC  )

static

If we have a comparison with RHS as the RHS of the comparison, return an opcode that works for the compare (e.g.

CMP32ri) otherwise return 0.

Definition at line 1378 of file X86FastISel.cpp.

References llvm::ConstantInt::getSExtValue(), llvm::EVT::getSimpleVT(), and llvm::MVT::SimpleTy.

X86ChooseCmpOpcode()

static unsigned X86ChooseCmpOpcode ( EVT  VT, const X86Subtarget *  Subtarget  )

static

Definition at line 1351 of file X86FastISel.cpp.

References llvm::EVT::getSimpleVT(), llvm::X86Subtarget::hasAVX(), llvm::X86Subtarget::hasAVX512(), llvm::X86Subtarget::hasSSE1(), llvm::X86Subtarget::hasSSE2(), and llvm::MVT::SimpleTy.