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-rw-r--r--lib/CodeGen/SelectionDAG/FastISel.cpp101
1 files changed, 61 insertions, 40 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index e2f33bb433ba..0584ab9f60d1 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -1,4 +1,4 @@
-//===-- FastISel.cpp - Implementation of the FastISel class ---------------===//
+//===- FastISel.cpp - Implementation of the FastISel class ----------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -39,35 +39,76 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/APFloat.h"
+#include "llvm/ADT/APSInt.h"
+#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
-#include "llvm/Analysis/Loads.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FastISel.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
+#include "llvm/CodeGen/ISDOpcodes.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/MachineValueType.h"
#include "llvm/CodeGen/StackMaps.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/IR/Argument.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/CallSite.h"
+#include "llvm/IR/CallingConv.h"
+#include "llvm/IR/Constant.h"
+#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GetElementPtrTypeIterator.h"
-#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/InstrTypes.h"
+#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Mangler.h"
+#include "llvm/IR/Metadata.h"
#include "llvm/IR/Operator.h"
+#include "llvm/IR/Type.h"
+#include "llvm/IR/User.h"
+#include "llvm/IR/Value.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCInstrDesc.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetSubtargetInfo.h"
+#include <algorithm>
+#include <cassert>
+#include <cstdint>
+#include <iterator>
+#include <utility>
+
using namespace llvm;
#define DEBUG_TYPE "isel"
@@ -78,21 +119,6 @@ STATISTIC(NumFastIselSuccessTarget, "Number of insts selected by "
"target-specific selector");
STATISTIC(NumFastIselDead, "Number of dead insts removed on failure");
-void FastISel::ArgListEntry::setAttributes(ImmutableCallSite *CS,
- unsigned AttrIdx) {
- IsSExt = CS->paramHasAttr(AttrIdx, Attribute::SExt);
- IsZExt = CS->paramHasAttr(AttrIdx, Attribute::ZExt);
- IsInReg = CS->paramHasAttr(AttrIdx, Attribute::InReg);
- IsSRet = CS->paramHasAttr(AttrIdx, Attribute::StructRet);
- IsNest = CS->paramHasAttr(AttrIdx, Attribute::Nest);
- IsByVal = CS->paramHasAttr(AttrIdx, Attribute::ByVal);
- IsInAlloca = CS->paramHasAttr(AttrIdx, Attribute::InAlloca);
- IsReturned = CS->paramHasAttr(AttrIdx, Attribute::Returned);
- IsSwiftSelf = CS->paramHasAttr(AttrIdx, Attribute::SwiftSelf);
- IsSwiftError = CS->paramHasAttr(AttrIdx, Attribute::SwiftError);
- Alignment = CS->getParamAlignment(AttrIdx);
-}
-
/// Set the current block to which generated machine instructions will be
/// appended, and clear the local CSE map.
void FastISel::startNewBlock() {
@@ -231,17 +257,13 @@ unsigned FastISel::materializeConstant(const Value *V, MVT VT) {
// Try to emit the constant by using an integer constant with a cast.
const APFloat &Flt = CF->getValueAPF();
EVT IntVT = TLI.getPointerTy(DL);
-
- uint64_t x[2];
uint32_t IntBitWidth = IntVT.getSizeInBits();
+ APSInt SIntVal(IntBitWidth, /*isUnsigned=*/false);
bool isExact;
- (void)Flt.convertToInteger(x, IntBitWidth, /*isSigned=*/true,
- APFloat::rmTowardZero, &isExact);
+ (void)Flt.convertToInteger(SIntVal, APFloat::rmTowardZero, &isExact);
if (isExact) {
- APInt IntVal(IntBitWidth, x);
-
unsigned IntegerReg =
- getRegForValue(ConstantInt::get(V->getContext(), IntVal));
+ getRegForValue(ConstantInt::get(V->getContext(), SIntVal));
if (IntegerReg != 0)
Reg = fastEmit_r(IntVT.getSimpleVT(), VT, ISD::SINT_TO_FP, IntegerReg,
/*Kill=*/false);
@@ -646,7 +668,7 @@ bool FastISel::selectStackmap(const CallInst *I) {
MachineInstrBuilder MIB = BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
TII.get(TargetOpcode::STACKMAP));
for (auto const &MO : Ops)
- MIB.addOperand(MO);
+ MIB.add(MO);
// Issue CALLSEQ_END
unsigned AdjStackUp = TII.getCallFrameDestroyOpcode();
@@ -672,10 +694,8 @@ bool FastISel::lowerCallOperands(const CallInst *CI, unsigned ArgIdx,
Args.reserve(NumArgs);
// Populate the argument list.
- // Attributes for args start at offset 1, after the return attribute.
ImmutableCallSite CS(CI);
- for (unsigned ArgI = ArgIdx, ArgE = ArgIdx + NumArgs, AttrI = ArgIdx + 1;
- ArgI != ArgE; ++ArgI) {
+ for (unsigned ArgI = ArgIdx, ArgE = ArgIdx + NumArgs; ArgI != ArgE; ++ArgI) {
Value *V = CI->getOperand(ArgI);
assert(!V->getType()->isEmptyTy() && "Empty type passed to intrinsic.");
@@ -683,7 +703,7 @@ bool FastISel::lowerCallOperands(const CallInst *CI, unsigned ArgIdx,
ArgListEntry Entry;
Entry.Val = V;
Entry.Ty = V->getType();
- Entry.setAttributes(&CS, AttrI);
+ Entry.setAttributes(&CS, ArgIdx);
Args.push_back(Entry);
}
@@ -826,7 +846,7 @@ bool FastISel::selectPatchpoint(const CallInst *I) {
TII.get(TargetOpcode::PATCHPOINT));
for (auto &MO : Ops)
- MIB.addOperand(MO);
+ MIB.add(MO);
MIB->setPhysRegsDeadExcept(CLI.InRegs, TRI);
@@ -841,9 +861,9 @@ bool FastISel::selectPatchpoint(const CallInst *I) {
return true;
}
-/// Returns an AttributeSet representing the attributes applied to the return
+/// Returns an AttributeList representing the attributes applied to the return
/// value of the given call.
-static AttributeSet getReturnAttrs(FastISel::CallLoweringInfo &CLI) {
+static AttributeList getReturnAttrs(FastISel::CallLoweringInfo &CLI) {
SmallVector<Attribute::AttrKind, 2> Attrs;
if (CLI.RetSExt)
Attrs.push_back(Attribute::SExt);
@@ -852,8 +872,8 @@ static AttributeSet getReturnAttrs(FastISel::CallLoweringInfo &CLI) {
if (CLI.IsInReg)
Attrs.push_back(Attribute::InReg);
- return AttributeSet::get(CLI.RetTy->getContext(), AttributeSet::ReturnIndex,
- Attrs);
+ return AttributeList::get(CLI.RetTy->getContext(), AttributeList::ReturnIndex,
+ Attrs);
}
bool FastISel::lowerCallTo(const CallInst *CI, const char *SymName,
@@ -885,9 +905,10 @@ bool FastISel::lowerCallTo(const CallInst *CI, MCSymbol *Symbol,
ArgListEntry Entry;
Entry.Val = V;
Entry.Ty = V->getType();
- Entry.setAttributes(&CS, ArgI + 1);
+ Entry.setAttributes(&CS, ArgI);
Args.push_back(Entry);
}
+ TLI.markLibCallAttributes(MF, CS.getCallingConv(), Args);
CallLoweringInfo CLI;
CLI.setCallee(RetTy, FTy, Symbol, std::move(Args), CS, NumArgs);
@@ -1021,7 +1042,7 @@ bool FastISel::lowerCall(const CallInst *CI) {
Entry.Ty = V->getType();
// Skip the first return-type Attribute to get to params.
- Entry.setAttributes(&CS, i - CS.arg_begin() + 1);
+ Entry.setAttributes(&CS, i - CS.arg_begin());
Args.push_back(Entry);
}
@@ -1149,7 +1170,7 @@ bool FastISel::selectIntrinsicCall(const IntrinsicInst *II) {
} else
BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
TII.get(TargetOpcode::DBG_VALUE))
- .addOperand(*Op)
+ .add(*Op)
.addImm(0)
.addMetadata(DI->getVariable())
.addMetadata(DI->getExpression());
@@ -1362,7 +1383,7 @@ bool FastISel::selectInstruction(const Instruction *I) {
if (const auto *Call = dyn_cast<CallInst>(I)) {
const Function *F = Call->getCalledFunction();
- LibFunc::Func Func;
+ LibFunc Func;
// As a special case, don't handle calls to builtin library functions that
// may be translated directly to target instructions.
@@ -1665,7 +1686,7 @@ FastISel::FastISel(FunctionLoweringInfo &FuncInfo,
TRI(*MF->getSubtarget().getRegisterInfo()), LibInfo(LibInfo),
SkipTargetIndependentISel(SkipTargetIndependentISel) {}
-FastISel::~FastISel() {}
+FastISel::~FastISel() = default;
bool FastISel::fastLowerArguments() { return false; }
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-12 06:25:18 +0000