//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
-#include "llvm/Instructions.h"
#include "llvm/Type.h"
#include "llvm/CodeGen/IntrinsicLowering.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/IRBuilder.h"
#include "llvm/Target/TargetData.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/STLExtras.h"
using namespace llvm;
template <class ArgIt>
M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
}
+static void EnsureFPIntrinsicsExist(Module &M, Function *Fn,
+ const char *FName,
+ const char *DName, const char *LDName) {
+ // Insert definitions for all the floating point types.
+ switch((int)Fn->arg_begin()->getType()->getTypeID()) {
+ case Type::FloatTyID:
+ EnsureFunctionExists(M, FName, Fn->arg_begin(), Fn->arg_end(),
+ Type::FloatTy);
+ break;
+ case Type::DoubleTyID:
+ EnsureFunctionExists(M, DName, Fn->arg_begin(), Fn->arg_end(),
+ Type::DoubleTy);
+ break;
+ case Type::X86_FP80TyID:
+ case Type::FP128TyID:
+ case Type::PPC_FP128TyID:
+ EnsureFunctionExists(M, LDName, Fn->arg_begin(), Fn->arg_end(),
+ Fn->arg_begin()->getType());
+ break;
+ }
+}
+
/// ReplaceCallWith - This function is used when we want to lower an intrinsic
/// call to a call of an external function. This handles hard cases such as
/// when there was already a prototype for the external function, and if that
FunctionType::get(RetTy, ParamTys, false));
}
+ IRBuilder<> Builder(CI->getParent(), CI);
SmallVector<Value *, 8> Args(ArgBegin, ArgEnd);
- CallInst *NewCI = new CallInst(FCache, Args.begin(), Args.end(),
- CI->getName(), CI);
+ CallInst *NewCI = Builder.CreateCall(FCache, Args.begin(), Args.end());
+ NewCI->setName(CI->getName());
if (!CI->use_empty())
CI->replaceAllUsesWith(NewCI);
return NewCI;
EnsureFunctionExists(M, "abort", I->arg_end(), I->arg_end(),
Type::VoidTy);
break;
- case Intrinsic::memcpy_i32:
- case Intrinsic::memcpy_i64:
- M.getOrInsertFunction("memcpy", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
+ case Intrinsic::memcpy:
+ M.getOrInsertFunction("memcpy", PointerType::getUnqual(Type::Int8Ty),
+ PointerType::getUnqual(Type::Int8Ty),
+ PointerType::getUnqual(Type::Int8Ty),
TD.getIntPtrType(), (Type *)0);
break;
- case Intrinsic::memmove_i32:
- case Intrinsic::memmove_i64:
- M.getOrInsertFunction("memmove", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
+ case Intrinsic::memmove:
+ M.getOrInsertFunction("memmove", PointerType::getUnqual(Type::Int8Ty),
+ PointerType::getUnqual(Type::Int8Ty),
+ PointerType::getUnqual(Type::Int8Ty),
TD.getIntPtrType(), (Type *)0);
break;
- case Intrinsic::memset_i32:
- case Intrinsic::memset_i64:
- M.getOrInsertFunction("memset", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty), Type::Int32Ty,
+ case Intrinsic::memset:
+ M.getOrInsertFunction("memset", PointerType::getUnqual(Type::Int8Ty),
+ PointerType::getUnqual(Type::Int8Ty),
+ Type::Int32Ty,
TD.getIntPtrType(), (Type *)0);
break;
case Intrinsic::sqrt:
- switch((int)I->arg_begin()->getType()->getTypeID()) {
- case Type::FloatTyID:
- EnsureFunctionExists(M, "sqrtf", I->arg_begin(), I->arg_end(),
- Type::FloatTy);
- case Type::DoubleTyID:
- EnsureFunctionExists(M, "sqrt", I->arg_begin(), I->arg_end(),
- Type::DoubleTy);
- case Type::X86_FP80TyID:
- case Type::FP128TyID:
- case Type::PPC_FP128TyID:
- EnsureFunctionExists(M, "sqrtl", I->arg_begin(), I->arg_end(),
- I->arg_begin()->getType());
- }
+ EnsureFPIntrinsicsExist(M, I, "sqrtf", "sqrt", "sqrtl");
break;
case Intrinsic::sin:
- switch((int)I->arg_begin()->getType()->getTypeID()) {
- case Type::FloatTyID:
- EnsureFunctionExists(M, "sinf", I->arg_begin(), I->arg_end(),
- Type::FloatTy);
- case Type::DoubleTyID:
- EnsureFunctionExists(M, "sin", I->arg_begin(), I->arg_end(),
- Type::DoubleTy);
- case Type::X86_FP80TyID:
- case Type::FP128TyID:
- case Type::PPC_FP128TyID:
- EnsureFunctionExists(M, "sinl", I->arg_begin(), I->arg_end(),
- I->arg_begin()->getType());
- }
+ EnsureFPIntrinsicsExist(M, I, "sinf", "sin", "sinl");
break;
case Intrinsic::cos:
- switch((int)I->arg_begin()->getType()->getTypeID()) {
- case Type::FloatTyID:
- EnsureFunctionExists(M, "cosf", I->arg_begin(), I->arg_end(),
- Type::FloatTy);
- case Type::DoubleTyID:
- EnsureFunctionExists(M, "cos", I->arg_begin(), I->arg_end(),
- Type::DoubleTy);
- case Type::X86_FP80TyID:
- case Type::FP128TyID:
- case Type::PPC_FP128TyID:
- EnsureFunctionExists(M, "cosl", I->arg_begin(), I->arg_end(),
- I->arg_begin()->getType());
- }
+ EnsureFPIntrinsicsExist(M, I, "cosf", "cos", "cosl");
break;
case Intrinsic::pow:
- switch((int)I->arg_begin()->getType()->getTypeID()) {
- case Type::FloatTyID:
- EnsureFunctionExists(M, "powf", I->arg_begin(), I->arg_end(),
- Type::FloatTy);
- case Type::DoubleTyID:
- EnsureFunctionExists(M, "pow", I->arg_begin(), I->arg_end(),
- Type::DoubleTy);
- case Type::X86_FP80TyID:
- case Type::FP128TyID:
- case Type::PPC_FP128TyID:
- EnsureFunctionExists(M, "powl", I->arg_begin(), I->arg_end(),
- I->arg_begin()->getType());
- }
+ EnsureFPIntrinsicsExist(M, I, "powf", "pow", "powl");
+ break;
+ case Intrinsic::log:
+ EnsureFPIntrinsicsExist(M, I, "logf", "log", "logl");
+ break;
+ case Intrinsic::log2:
+ EnsureFPIntrinsicsExist(M, I, "log2f", "log2", "log2l");
+ break;
+ case Intrinsic::log10:
+ EnsureFPIntrinsicsExist(M, I, "log10f", "log10", "log10l");
+ break;
+ case Intrinsic::exp:
+ EnsureFPIntrinsicsExist(M, I, "expf", "exp", "expl");
+ break;
+ case Intrinsic::exp2:
+ EnsureFPIntrinsicsExist(M, I, "exp2f", "exp2", "exp2l");
break;
}
}
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
+ IRBuilder<> Builder(IP->getParent(), IP);
+
switch(BitSize) {
default: assert(0 && "Unhandled type size of value to byteswap!");
case 16: {
- Value *Tmp1 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),8),"bswap.2",IP);
- Value *Tmp2 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),8),"bswap.1",IP);
- V = BinaryOperator::createOr(Tmp1, Tmp2, "bswap.i16", IP);
+ Value *Tmp1 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 8),
+ "bswap.2");
+ Value *Tmp2 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 8),
+ "bswap.1");
+ V = Builder.CreateOr(Tmp1, Tmp2, "bswap.i16");
break;
}
case 32: {
- Value *Tmp4 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),24),"bswap.4", IP);
- Value *Tmp3 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),8),"bswap.3",IP);
- Value *Tmp2 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),8),"bswap.2",IP);
- Value *Tmp1 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),24),"bswap.1", IP);
- Tmp3 = BinaryOperator::createAnd(Tmp3,
- ConstantInt::get(Type::Int32Ty, 0xFF0000),
- "bswap.and3", IP);
- Tmp2 = BinaryOperator::createAnd(Tmp2,
- ConstantInt::get(Type::Int32Ty, 0xFF00),
- "bswap.and2", IP);
- Tmp4 = BinaryOperator::createOr(Tmp4, Tmp3, "bswap.or1", IP);
- Tmp2 = BinaryOperator::createOr(Tmp2, Tmp1, "bswap.or2", IP);
- V = BinaryOperator::createOr(Tmp4, Tmp2, "bswap.i32", IP);
+ Value *Tmp4 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 24),
+ "bswap.4");
+ Value *Tmp3 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 8),
+ "bswap.3");
+ Value *Tmp2 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 8),
+ "bswap.2");
+ Value *Tmp1 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 24),
+ "bswap.1");
+ Tmp3 = Builder.CreateAnd(Tmp3, ConstantInt::get(Type::Int32Ty, 0xFF0000),
+ "bswap.and3");
+ Tmp2 = Builder.CreateAnd(Tmp2, ConstantInt::get(Type::Int32Ty, 0xFF00),
+ "bswap.and2");
+ Tmp4 = Builder.CreateOr(Tmp4, Tmp3, "bswap.or1");
+ Tmp2 = Builder.CreateOr(Tmp2, Tmp1, "bswap.or2");
+ V = Builder.CreateOr(Tmp4, Tmp2, "bswap.i32");
break;
}
case 64: {
- Value *Tmp8 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),56),"bswap.8", IP);
- Value *Tmp7 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),40),"bswap.7", IP);
- Value *Tmp6 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),24),"bswap.6", IP);
- Value *Tmp5 = BinaryOperator::createShl(V,
- ConstantInt::get(V->getType(),8),"bswap.5", IP);
- Value* Tmp4 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),8),"bswap.4", IP);
- Value* Tmp3 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),24),"bswap.3", IP);
- Value* Tmp2 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),40),"bswap.2", IP);
- Value* Tmp1 = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(),56),"bswap.1", IP);
- Tmp7 = BinaryOperator::createAnd(Tmp7,
- ConstantInt::get(Type::Int64Ty,
- 0xFF000000000000ULL),
- "bswap.and7", IP);
- Tmp6 = BinaryOperator::createAnd(Tmp6,
- ConstantInt::get(Type::Int64Ty, 0xFF0000000000ULL),
- "bswap.and6", IP);
- Tmp5 = BinaryOperator::createAnd(Tmp5,
+ Value *Tmp8 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 56),
+ "bswap.8");
+ Value *Tmp7 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 40),
+ "bswap.7");
+ Value *Tmp6 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 24),
+ "bswap.6");
+ Value *Tmp5 = Builder.CreateShl(V, ConstantInt::get(V->getType(), 8),
+ "bswap.5");
+ Value* Tmp4 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 8),
+ "bswap.4");
+ Value* Tmp3 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 24),
+ "bswap.3");
+ Value* Tmp2 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 40),
+ "bswap.2");
+ Value* Tmp1 = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 56),
+ "bswap.1");
+ Tmp7 = Builder.CreateAnd(Tmp7,
+ ConstantInt::get(Type::Int64Ty,
+ 0xFF000000000000ULL),
+ "bswap.and7");
+ Tmp6 = Builder.CreateAnd(Tmp6,
+ ConstantInt::get(Type::Int64Ty,
+ 0xFF0000000000ULL),
+ "bswap.and6");
+ Tmp5 = Builder.CreateAnd(Tmp5,
ConstantInt::get(Type::Int64Ty, 0xFF00000000ULL),
- "bswap.and5", IP);
- Tmp4 = BinaryOperator::createAnd(Tmp4,
+ "bswap.and5");
+ Tmp4 = Builder.CreateAnd(Tmp4,
ConstantInt::get(Type::Int64Ty, 0xFF000000ULL),
- "bswap.and4", IP);
- Tmp3 = BinaryOperator::createAnd(Tmp3,
+ "bswap.and4");
+ Tmp3 = Builder.CreateAnd(Tmp3,
ConstantInt::get(Type::Int64Ty, 0xFF0000ULL),
- "bswap.and3", IP);
- Tmp2 = BinaryOperator::createAnd(Tmp2,
+ "bswap.and3");
+ Tmp2 = Builder.CreateAnd(Tmp2,
ConstantInt::get(Type::Int64Ty, 0xFF00ULL),
- "bswap.and2", IP);
- Tmp8 = BinaryOperator::createOr(Tmp8, Tmp7, "bswap.or1", IP);
- Tmp6 = BinaryOperator::createOr(Tmp6, Tmp5, "bswap.or2", IP);
- Tmp4 = BinaryOperator::createOr(Tmp4, Tmp3, "bswap.or3", IP);
- Tmp2 = BinaryOperator::createOr(Tmp2, Tmp1, "bswap.or4", IP);
- Tmp8 = BinaryOperator::createOr(Tmp8, Tmp6, "bswap.or5", IP);
- Tmp4 = BinaryOperator::createOr(Tmp4, Tmp2, "bswap.or6", IP);
- V = BinaryOperator::createOr(Tmp8, Tmp4, "bswap.i64", IP);
+ "bswap.and2");
+ Tmp8 = Builder.CreateOr(Tmp8, Tmp7, "bswap.or1");
+ Tmp6 = Builder.CreateOr(Tmp6, Tmp5, "bswap.or2");
+ Tmp4 = Builder.CreateOr(Tmp4, Tmp3, "bswap.or3");
+ Tmp2 = Builder.CreateOr(Tmp2, Tmp1, "bswap.or4");
+ Tmp8 = Builder.CreateOr(Tmp8, Tmp6, "bswap.or5");
+ Tmp4 = Builder.CreateOr(Tmp4, Tmp2, "bswap.or6");
+ V = Builder.CreateOr(Tmp8, Tmp4, "bswap.i64");
break;
}
}
0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL
};
+ IRBuilder<> Builder(IP->getParent(), IP);
+
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
unsigned WordSize = (BitSize + 63) / 64;
Value *Count = ConstantInt::get(V->getType(), 0);
for (unsigned i = 1, ct = 0; i < (BitSize>64 ? 64 : BitSize);
i <<= 1, ++ct) {
Value *MaskCst = ConstantInt::get(V->getType(), MaskValues[ct]);
- Value *LHS = BinaryOperator::createAnd(
- PartValue, MaskCst, "cppop.and1", IP);
- Value *VShift = BinaryOperator::createLShr(PartValue,
- ConstantInt::get(V->getType(), i), "ctpop.sh", IP);
- Value *RHS = BinaryOperator::createAnd(VShift, MaskCst, "cppop.and2", IP);
- PartValue = BinaryOperator::createAdd(LHS, RHS, "ctpop.step", IP);
+ Value *LHS = Builder.CreateAnd(PartValue, MaskCst, "cppop.and1");
+ Value *VShift = Builder.CreateLShr(PartValue,
+ ConstantInt::get(V->getType(), i),
+ "ctpop.sh");
+ Value *RHS = Builder.CreateAnd(VShift, MaskCst, "cppop.and2");
+ PartValue = Builder.CreateAdd(LHS, RHS, "ctpop.step");
}
- Count = BinaryOperator::createAdd(PartValue, Count, "ctpop.part", IP);
+ Count = Builder.CreateAdd(PartValue, Count, "ctpop.part");
if (BitSize > 64) {
- V = BinaryOperator::createLShr(V, ConstantInt::get(V->getType(), 64),
- "ctpop.part.sh", IP);
+ V = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 64),
+ "ctpop.part.sh");
BitSize -= 64;
}
}
/// instruction IP.
static Value *LowerCTLZ(Value *V, Instruction *IP) {
+ IRBuilder<> Builder(IP->getParent(), IP);
+
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
for (unsigned i = 1; i < BitSize; i <<= 1) {
Value *ShVal = ConstantInt::get(V->getType(), i);
- ShVal = BinaryOperator::createLShr(V, ShVal, "ctlz.sh", IP);
- V = BinaryOperator::createOr(V, ShVal, "ctlz.step", IP);
+ ShVal = Builder.CreateLShr(V, ShVal, "ctlz.sh");
+ V = Builder.CreateOr(V, ShVal, "ctlz.step");
}
- V = BinaryOperator::createNot(V, "", IP);
+ V = Builder.CreateNot(V);
return LowerCTPOP(V, IP);
}
/// the bits are returned in inverse order.
/// @brief Lowering of llvm.part.select intrinsic.
static Instruction *LowerPartSelect(CallInst *CI) {
+ IRBuilder<> Builder;
+
// Make sure we're dealing with a part select intrinsic here
Function *F = CI->getCalledFunction();
const FunctionType *FT = F->getFunctionType();
Name[i] = '_';
Module* M = F->getParent();
F = cast<Function>(M->getOrInsertFunction(Name, FT));
- F->setLinkage(GlobalValue::WeakLinkage);
+ F->setLinkage(GlobalValue::WeakAnyLinkage);
// If we haven't defined the impl function yet, do so now
if (F->isDeclaration()) {
Function::arg_iterator args = F->arg_begin();
Value* Val = args++; Val->setName("Val");
Value* Lo = args++; Lo->setName("Lo");
- Value* Hi = args++; Hi->setName("High");
+ Value* Hi = args++; Hi->setName("High");
// We want to select a range of bits here such that [Hi, Lo] is shifted
// down to the low bits. However, it is quite possible that Hi is smaller
// than Lo in which case the bits have to be reversed.
// Create the blocks we will need for the two cases (forward, reverse)
- BasicBlock* CurBB = new BasicBlock("entry", F);
- BasicBlock *RevSize = new BasicBlock("revsize", CurBB->getParent());
- BasicBlock *FwdSize = new BasicBlock("fwdsize", CurBB->getParent());
- BasicBlock *Compute = new BasicBlock("compute", CurBB->getParent());
- BasicBlock *Reverse = new BasicBlock("reverse", CurBB->getParent());
- BasicBlock *RsltBlk = new BasicBlock("result", CurBB->getParent());
+ BasicBlock* CurBB = BasicBlock::Create("entry", F);
+ BasicBlock *RevSize = BasicBlock::Create("revsize", CurBB->getParent());
+ BasicBlock *FwdSize = BasicBlock::Create("fwdsize", CurBB->getParent());
+ BasicBlock *Compute = BasicBlock::Create("compute", CurBB->getParent());
+ BasicBlock *Reverse = BasicBlock::Create("reverse", CurBB->getParent());
+ BasicBlock *RsltBlk = BasicBlock::Create("result", CurBB->getParent());
+
+ Builder.SetInsertPoint(CurBB);
// Cast Hi and Lo to the size of Val so the widths are all the same
if (Hi->getType() != Val->getType())
- Hi = CastInst::createIntegerCast(Hi, Val->getType(), false,
- "tmp", CurBB);
+ Hi = Builder.CreateIntCast(Hi, Val->getType(), /* isSigned */ false,
+ "tmp");
if (Lo->getType() != Val->getType())
- Lo = CastInst::createIntegerCast(Lo, Val->getType(), false,
- "tmp", CurBB);
+ Lo = Builder.CreateIntCast(Lo, Val->getType(), /* isSigned */ false,
+ "tmp");
// Compute a few things that both cases will need, up front.
Constant* Zero = ConstantInt::get(Val->getType(), 0);
// Compare the Hi and Lo bit positions. This is used to determine
// which case we have (forward or reverse)
- ICmpInst *Cmp = new ICmpInst(ICmpInst::ICMP_ULT, Hi, Lo, "less",CurBB);
- new BranchInst(RevSize, FwdSize, Cmp, CurBB);
+ Value *Cmp = Builder.CreateICmpULT(Hi, Lo, "less");
+ Builder.CreateCondBr(Cmp, RevSize, FwdSize);
- // First, copmute the number of bits in the forward case.
- Instruction* FBitSize =
- BinaryOperator::createSub(Hi, Lo,"fbits", FwdSize);
- new BranchInst(Compute, FwdSize);
+ // First, compute the number of bits in the forward case.
+ Builder.SetInsertPoint(FwdSize);
+ Value* FBitSize = Builder.CreateSub(Hi, Lo, "fbits");
+ Builder.CreateBr(Compute);
// Second, compute the number of bits in the reverse case.
- Instruction* RBitSize =
- BinaryOperator::createSub(Lo, Hi, "rbits", RevSize);
- new BranchInst(Compute, RevSize);
+ Builder.SetInsertPoint(RevSize);
+ Value* RBitSize = Builder.CreateSub(Lo, Hi, "rbits");
+ Builder.CreateBr(Compute);
// Now, compute the bit range. Start by getting the bitsize and the shift
// amount (either Hi or Lo) from PHI nodes. Then we compute a mask for
// least significant bits, apply the mask to zero out unwanted high bits,
// and we have computed the "forward" result. It may still need to be
// reversed.
+ Builder.SetInsertPoint(Compute);
// Get the BitSize from one of the two subtractions
- PHINode *BitSize = new PHINode(Val->getType(), "bits", Compute);
+ PHINode *BitSize = Builder.CreatePHI(Val->getType(), "bits");
BitSize->reserveOperandSpace(2);
BitSize->addIncoming(FBitSize, FwdSize);
BitSize->addIncoming(RBitSize, RevSize);
// Get the ShiftAmount as the smaller of Hi/Lo
- PHINode *ShiftAmt = new PHINode(Val->getType(), "shiftamt", Compute);
+ PHINode *ShiftAmt = Builder.CreatePHI(Val->getType(), "shiftamt");
ShiftAmt->reserveOperandSpace(2);
ShiftAmt->addIncoming(Lo, FwdSize);
ShiftAmt->addIncoming(Hi, RevSize);
// Increment the bit size
- Instruction *BitSizePlusOne =
- BinaryOperator::createAdd(BitSize, One, "bits", Compute);
+ Value *BitSizePlusOne = Builder.CreateAdd(BitSize, One, "bits");
// Create a Mask to zero out the high order bits.
- Instruction* Mask =
- BinaryOperator::createShl(AllOnes, BitSizePlusOne, "mask", Compute);
- Mask = BinaryOperator::createNot(Mask, "mask", Compute);
+ Value* Mask = Builder.CreateShl(AllOnes, BitSizePlusOne, "mask");
+ Mask = Builder.CreateNot(Mask, "mask");
// Shift the bits down and apply the mask
- Instruction* FRes =
- BinaryOperator::createLShr(Val, ShiftAmt, "fres", Compute);
- FRes = BinaryOperator::createAnd(FRes, Mask, "fres", Compute);
- new BranchInst(Reverse, RsltBlk, Cmp, Compute);
+ Value* FRes = Builder.CreateLShr(Val, ShiftAmt, "fres");
+ FRes = Builder.CreateAnd(FRes, Mask, "fres");
+ Builder.CreateCondBr(Cmp, Reverse, RsltBlk);
// In the Reverse block we have the mask already in FRes but we must reverse
// it by shifting FRes bits right and putting them in RRes by shifting them
// in from left.
+ Builder.SetInsertPoint(Reverse);
// First set up our loop counters
- PHINode *Count = new PHINode(Val->getType(), "count", Reverse);
+ PHINode *Count = Builder.CreatePHI(Val->getType(), "count");
Count->reserveOperandSpace(2);
Count->addIncoming(BitSizePlusOne, Compute);
// Next, get the value that we are shifting.
- PHINode *BitsToShift = new PHINode(Val->getType(), "val", Reverse);
+ PHINode *BitsToShift = Builder.CreatePHI(Val->getType(), "val");
BitsToShift->reserveOperandSpace(2);
BitsToShift->addIncoming(FRes, Compute);
// Finally, get the result of the last computation
- PHINode *RRes = new PHINode(Val->getType(), "rres", Reverse);
+ PHINode *RRes = Builder.CreatePHI(Val->getType(), "rres");
RRes->reserveOperandSpace(2);
RRes->addIncoming(Zero, Compute);
// Decrement the counter
- Instruction *Decr = BinaryOperator::createSub(Count, One, "decr", Reverse);
+ Value *Decr = Builder.CreateSub(Count, One, "decr");
Count->addIncoming(Decr, Reverse);
// Compute the Bit that we want to move
- Instruction *Bit =
- BinaryOperator::createAnd(BitsToShift, One, "bit", Reverse);
+ Value *Bit = Builder.CreateAnd(BitsToShift, One, "bit");
// Compute the new value for next iteration.
- Instruction *NewVal =
- BinaryOperator::createLShr(BitsToShift, One, "rshift", Reverse);
+ Value *NewVal = Builder.CreateLShr(BitsToShift, One, "rshift");
BitsToShift->addIncoming(NewVal, Reverse);
// Shift the bit into the low bits of the result.
- Instruction *NewRes =
- BinaryOperator::createShl(RRes, One, "lshift", Reverse);
- NewRes = BinaryOperator::createOr(NewRes, Bit, "addbit", Reverse);
+ Value *NewRes = Builder.CreateShl(RRes, One, "lshift");
+ NewRes = Builder.CreateOr(NewRes, Bit, "addbit");
RRes->addIncoming(NewRes, Reverse);
// Terminate loop if we've moved all the bits.
- ICmpInst *Cond =
- new ICmpInst(ICmpInst::ICMP_EQ, Decr, Zero, "cond", Reverse);
- new BranchInst(RsltBlk, Reverse, Cond, Reverse);
+ Value *Cond = Builder.CreateICmpEQ(Decr, Zero, "cond");
+ Builder.CreateCondBr(Cond, RsltBlk, Reverse);
// Finally, in the result block, select one of the two results with a PHI
// node and return the result;
- CurBB = RsltBlk;
- PHINode *BitSelect = new PHINode(Val->getType(), "part_select", CurBB);
+ Builder.SetInsertPoint(RsltBlk);
+ PHINode *BitSelect = Builder.CreatePHI(Val->getType(), "part_select");
BitSelect->reserveOperandSpace(2);
BitSelect->addIncoming(FRes, Compute);
BitSelect->addIncoming(NewRes, Reverse);
- new ReturnInst(BitSelect, CurBB);
+ Builder.CreateRet(BitSelect);
}
// Return a call to the implementation function
- Value *Args[] = {
- CI->getOperand(1),
- CI->getOperand(2),
- CI->getOperand(3)
- };
- return new CallInst(F, Args, array_endof(Args), CI->getName(), CI);
+ Builder.SetInsertPoint(CI->getParent(), CI);
+ CallInst *NewCI = Builder.CreateCall3(F, CI->getOperand(1),
+ CI->getOperand(2), CI->getOperand(3));
+ NewCI->setName(CI->getName());
+ return NewCI;
}
/// Convert the llvm.part.set.iX.iY.iZ intrinsic. This intrinsic takes
/// greater than %High then the inverse set of bits are replaced.
/// @brief Lowering of llvm.bit.part.set intrinsic.
static Instruction *LowerPartSet(CallInst *CI) {
+ IRBuilder<> Builder;
+
// Make sure we're dealing with a part select intrinsic here
Function *F = CI->getCalledFunction();
const FunctionType *FT = F->getFunctionType();
Name[i] = '_';
Module* M = F->getParent();
F = cast<Function>(M->getOrInsertFunction(Name, FT));
- F->setLinkage(GlobalValue::WeakLinkage);
+ F->setLinkage(GlobalValue::WeakAnyLinkage);
// If we haven't defined the impl function yet, do so now
if (F->isDeclaration()) {
// Get some types we need
const IntegerType* ValTy = cast<IntegerType>(Val->getType());
const IntegerType* RepTy = cast<IntegerType>(Rep->getType());
- uint32_t ValBits = ValTy->getBitWidth();
uint32_t RepBits = RepTy->getBitWidth();
// Constant Definitions
ConstantInt* ValZero = ConstantInt::get(ValTy, 0);
// Basic blocks we fill in below.
- BasicBlock* entry = new BasicBlock("entry", F, 0);
- BasicBlock* large = new BasicBlock("large", F, 0);
- BasicBlock* small = new BasicBlock("small", F, 0);
- BasicBlock* reverse = new BasicBlock("reverse", F, 0);
- BasicBlock* result = new BasicBlock("result", F, 0);
+ BasicBlock* entry = BasicBlock::Create("entry", F, 0);
+ BasicBlock* large = BasicBlock::Create("large", F, 0);
+ BasicBlock* small = BasicBlock::Create("small", F, 0);
+ BasicBlock* reverse = BasicBlock::Create("reverse", F, 0);
+ BasicBlock* result = BasicBlock::Create("result", F, 0);
// BASIC BLOCK: entry
+ Builder.SetInsertPoint(entry);
// First, get the number of bits that we're placing as an i32
- ICmpInst* is_forward =
- new ICmpInst(ICmpInst::ICMP_ULT, Lo, Hi, "", entry);
- SelectInst* Hi_pn = new SelectInst(is_forward, Hi, Lo, "", entry);
- SelectInst* Lo_pn = new SelectInst(is_forward, Lo, Hi, "", entry);
- BinaryOperator* NumBits = BinaryOperator::createSub(Hi_pn, Lo_pn, "",entry);
- NumBits = BinaryOperator::createAdd(NumBits, One, "", entry);
+ Value* is_forward = Builder.CreateICmpULT(Lo, Hi);
+ Value* Hi_pn = Builder.CreateSelect(is_forward, Hi, Lo);
+ Value* Lo_pn = Builder.CreateSelect(is_forward, Lo, Hi);
+ Value* NumBits = Builder.CreateSub(Hi_pn, Lo_pn);
+ NumBits = Builder.CreateAdd(NumBits, One);
// Now, convert Lo and Hi to ValTy bit width
- if (ValBits > 32) {
- Lo = new ZExtInst(Lo_pn, ValTy, "", entry);
- } else if (ValBits < 32) {
- Lo = new TruncInst(Lo_pn, ValTy, "", entry);
- }
+ Lo = Builder.CreateIntCast(Lo_pn, ValTy, /* isSigned */ false);
// Determine if the replacement bits are larger than the number of bits we
// are replacing and deal with it.
- ICmpInst* is_large =
- new ICmpInst(ICmpInst::ICMP_ULT, NumBits, RepBitWidth, "", entry);
- new BranchInst(large, small, is_large, entry);
+ Value* is_large = Builder.CreateICmpULT(NumBits, RepBitWidth);
+ Builder.CreateCondBr(is_large, large, small);
// BASIC BLOCK: large
- Instruction* MaskBits =
- BinaryOperator::createSub(RepBitWidth, NumBits, "", large);
- MaskBits = CastInst::createIntegerCast(MaskBits, RepMask->getType(),
- false, "", large);
- BinaryOperator* Mask1 =
- BinaryOperator::createLShr(RepMask, MaskBits, "", large);
- BinaryOperator* Rep2 = BinaryOperator::createAnd(Mask1, Rep, "", large);
- new BranchInst(small, large);
+ Builder.SetInsertPoint(large);
+ Value* MaskBits = Builder.CreateSub(RepBitWidth, NumBits);
+ MaskBits = Builder.CreateIntCast(MaskBits, RepMask->getType(),
+ /* isSigned */ false);
+ Value* Mask1 = Builder.CreateLShr(RepMask, MaskBits);
+ Value* Rep2 = Builder.CreateAnd(Mask1, Rep);
+ Builder.CreateBr(small);
// BASIC BLOCK: small
- PHINode* Rep3 = new PHINode(RepTy, "", small);
+ Builder.SetInsertPoint(small);
+ PHINode* Rep3 = Builder.CreatePHI(RepTy);
Rep3->reserveOperandSpace(2);
Rep3->addIncoming(Rep2, large);
Rep3->addIncoming(Rep, entry);
- Value* Rep4 = Rep3;
- if (ValBits > RepBits)
- Rep4 = new ZExtInst(Rep3, ValTy, "", small);
- else if (ValBits < RepBits)
- Rep4 = new TruncInst(Rep3, ValTy, "", small);
- new BranchInst(result, reverse, is_forward, small);
+ Value* Rep4 = Builder.CreateIntCast(Rep3, ValTy, /* isSigned */ false);
+ Builder.CreateCondBr(is_forward, result, reverse);
// BASIC BLOCK: reverse (reverses the bits of the replacement)
+ Builder.SetInsertPoint(reverse);
// Set up our loop counter as a PHI so we can decrement on each iteration.
// We will loop for the number of bits in the replacement value.
- PHINode *Count = new PHINode(Type::Int32Ty, "count", reverse);
+ PHINode *Count = Builder.CreatePHI(Type::Int32Ty, "count");
Count->reserveOperandSpace(2);
Count->addIncoming(NumBits, small);
// Get the value that we are shifting bits out of as a PHI because
// we'll change this with each iteration.
- PHINode *BitsToShift = new PHINode(Val->getType(), "val", reverse);
+ PHINode *BitsToShift = Builder.CreatePHI(Val->getType(), "val");
BitsToShift->reserveOperandSpace(2);
BitsToShift->addIncoming(Rep4, small);
// Get the result of the last computation or zero on first iteration
- PHINode *RRes = new PHINode(Val->getType(), "rres", reverse);
+ PHINode *RRes = Builder.CreatePHI(Val->getType(), "rres");
RRes->reserveOperandSpace(2);
RRes->addIncoming(ValZero, small);
// Decrement the loop counter by one
- Instruction *Decr = BinaryOperator::createSub(Count, One, "", reverse);
+ Value *Decr = Builder.CreateSub(Count, One);
Count->addIncoming(Decr, reverse);
// Get the bit that we want to move into the result
- Value *Bit = BinaryOperator::createAnd(BitsToShift, ValOne, "", reverse);
+ Value *Bit = Builder.CreateAnd(BitsToShift, ValOne);
// Compute the new value of the bits to shift for the next iteration.
- Value *NewVal = BinaryOperator::createLShr(BitsToShift, ValOne,"", reverse);
+ Value *NewVal = Builder.CreateLShr(BitsToShift, ValOne);
BitsToShift->addIncoming(NewVal, reverse);
// Shift the bit we extracted into the low bit of the result.
- Instruction *NewRes = BinaryOperator::createShl(RRes, ValOne, "", reverse);
- NewRes = BinaryOperator::createOr(NewRes, Bit, "", reverse);
+ Value *NewRes = Builder.CreateShl(RRes, ValOne);
+ NewRes = Builder.CreateOr(NewRes, Bit);
RRes->addIncoming(NewRes, reverse);
// Terminate loop if we've moved all the bits.
- ICmpInst *Cond = new ICmpInst(ICmpInst::ICMP_EQ, Decr, Zero, "", reverse);
- new BranchInst(result, reverse, Cond, reverse);
+ Value *Cond = Builder.CreateICmpEQ(Decr, Zero);
+ Builder.CreateCondBr(Cond, result, reverse);
// BASIC BLOCK: result
- PHINode *Rplcmnt = new PHINode(Val->getType(), "", result);
+ Builder.SetInsertPoint(result);
+ PHINode *Rplcmnt = Builder.CreatePHI(Val->getType());
Rplcmnt->reserveOperandSpace(2);
Rplcmnt->addIncoming(NewRes, reverse);
Rplcmnt->addIncoming(Rep4, small);
- Value* t0 = CastInst::createIntegerCast(NumBits,ValTy,false,"",result);
- Value* t1 = BinaryOperator::createShl(ValMask, Lo, "", result);
- Value* t2 = BinaryOperator::createNot(t1, "", result);
- Value* t3 = BinaryOperator::createShl(t1, t0, "", result);
- Value* t4 = BinaryOperator::createOr(t2, t3, "", result);
- Value* t5 = BinaryOperator::createAnd(t4, Val, "", result);
- Value* t6 = BinaryOperator::createShl(Rplcmnt, Lo, "", result);
- Value* Rslt = BinaryOperator::createOr(t5, t6, "part_set", result);
- new ReturnInst(Rslt, result);
+ Value* t0 = Builder.CreateIntCast(NumBits, ValTy, /* isSigned */ false);
+ Value* t1 = Builder.CreateShl(ValMask, Lo);
+ Value* t2 = Builder.CreateNot(t1);
+ Value* t3 = Builder.CreateShl(t1, t0);
+ Value* t4 = Builder.CreateOr(t2, t3);
+ Value* t5 = Builder.CreateAnd(t4, Val);
+ Value* t6 = Builder.CreateShl(Rplcmnt, Lo);
+ Value* Rslt = Builder.CreateOr(t5, t6, "part_set");
+ Builder.CreateRet(Rslt);
}
// Return a call to the implementation function
- Value *Args[] = {
- CI->getOperand(1),
- CI->getOperand(2),
- CI->getOperand(3),
- CI->getOperand(4)
- };
- return new CallInst(F, Args, array_endof(Args), CI->getName(), CI);
+ Builder.SetInsertPoint(CI->getParent(), CI);
+ CallInst *NewCI = Builder.CreateCall4(F, CI->getOperand(1),
+ CI->getOperand(2), CI->getOperand(3),
+ CI->getOperand(4));
+ NewCI->setName(CI->getName());
+ return NewCI;
}
+static void ReplaceFPIntrinsicWithCall(CallInst *CI, Constant *FCache,
+ Constant *DCache, Constant *LDCache,
+ const char *Fname, const char *Dname,
+ const char *LDname) {
+ switch (CI->getOperand(1)->getType()->getTypeID()) {
+ default: assert(0 && "Invalid type in intrinsic"); abort();
+ case Type::FloatTyID:
+ ReplaceCallWith(Fname, CI, CI->op_begin() + 1, CI->op_end(),
+ Type::FloatTy, FCache);
+ break;
+ case Type::DoubleTyID:
+ ReplaceCallWith(Dname, CI, CI->op_begin() + 1, CI->op_end(),
+ Type::DoubleTy, DCache);
+ break;
+ case Type::X86_FP80TyID:
+ case Type::FP128TyID:
+ case Type::PPC_FP128TyID:
+ ReplaceCallWith(LDname, CI, CI->op_begin() + 1, CI->op_end(),
+ CI->getOperand(1)->getType(), LDCache);
+ break;
+ }
+}
void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
+ IRBuilder<> Builder(CI->getParent(), CI);
+
Function *Callee = CI->getCalledFunction();
assert(Callee && "Cannot lower an indirect call!");
// convert the call to an explicit setjmp or longjmp call.
case Intrinsic::setjmp: {
static Constant *SetjmpFCache = 0;
- Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin()+1, CI->op_end(),
+ Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin() + 1, CI->op_end(),
Type::Int32Ty, SetjmpFCache);
if (CI->getType() != Type::VoidTy)
CI->replaceAllUsesWith(V);
case Intrinsic::longjmp: {
static Constant *LongjmpFCache = 0;
- ReplaceCallWith("longjmp", CI, CI->op_begin()+1, CI->op_end(),
+ ReplaceCallWith("longjmp", CI, CI->op_begin() + 1, CI->op_end(),
Type::VoidTy, LongjmpFCache);
break;
}
case Intrinsic::cttz: {
// cttz(x) -> ctpop(~X & (X-1))
Value *Src = CI->getOperand(1);
- Value *NotSrc = BinaryOperator::createNot(Src, Src->getName()+".not", CI);
- Value *SrcM1 = ConstantInt::get(Src->getType(), 1);
- SrcM1 = BinaryOperator::createSub(Src, SrcM1, "", CI);
- Src = LowerCTPOP(BinaryOperator::createAnd(NotSrc, SrcM1, "", CI), CI);
+ Value *NotSrc = Builder.CreateNot(Src);
+ NotSrc->setName(Src->getName() + ".not");
+ Value *SrcM1 = ConstantInt::get(Src->getType(), 1);
+ SrcM1 = Builder.CreateSub(Src, SrcM1);
+ Src = LowerCTPOP(Builder.CreateAnd(NotSrc, SrcM1), CI);
CI->replaceAllUsesWith(Src);
break;
}
case Intrinsic::var_annotation:
break; // Strip out annotate intrinsic
- case Intrinsic::memcpy_i32:
- case Intrinsic::memcpy_i64: {
+ case Intrinsic::memcpy: {
static Constant *MemcpyFCache = 0;
- Value *Size = CI->getOperand(3);
- const Type *IntPtr = TD.getIntPtrType();
- if (Size->getType()->getPrimitiveSizeInBits() <
- IntPtr->getPrimitiveSizeInBits())
- Size = new ZExtInst(Size, IntPtr, "", CI);
- else if (Size->getType()->getPrimitiveSizeInBits() >
- IntPtr->getPrimitiveSizeInBits())
- Size = new TruncInst(Size, IntPtr, "", CI);
+ const IntegerType *IntPtr = TD.getIntPtrType();
+ Value *Size = Builder.CreateIntCast(CI->getOperand(3), IntPtr,
+ /* isSigned */ false);
Value *Ops[3];
Ops[0] = CI->getOperand(1);
Ops[1] = CI->getOperand(2);
MemcpyFCache);
break;
}
- case Intrinsic::memmove_i32:
- case Intrinsic::memmove_i64: {
+ case Intrinsic::memmove: {
static Constant *MemmoveFCache = 0;
- Value *Size = CI->getOperand(3);
- const Type *IntPtr = TD.getIntPtrType();
- if (Size->getType()->getPrimitiveSizeInBits() <
- IntPtr->getPrimitiveSizeInBits())
- Size = new ZExtInst(Size, IntPtr, "", CI);
- else if (Size->getType()->getPrimitiveSizeInBits() >
- IntPtr->getPrimitiveSizeInBits())
- Size = new TruncInst(Size, IntPtr, "", CI);
+ const IntegerType *IntPtr = TD.getIntPtrType();
+ Value *Size = Builder.CreateIntCast(CI->getOperand(3), IntPtr,
+ /* isSigned */ false);
Value *Ops[3];
Ops[0] = CI->getOperand(1);
Ops[1] = CI->getOperand(2);
MemmoveFCache);
break;
}
- case Intrinsic::memset_i32:
- case Intrinsic::memset_i64: {
+ case Intrinsic::memset: {
static Constant *MemsetFCache = 0;
- Value *Size = CI->getOperand(3);
- const Type *IntPtr = TD.getIntPtrType();
- if (Size->getType()->getPrimitiveSizeInBits() <
- IntPtr->getPrimitiveSizeInBits())
- Size = new ZExtInst(Size, IntPtr, "", CI);
- else if (Size->getType()->getPrimitiveSizeInBits() >
- IntPtr->getPrimitiveSizeInBits())
- Size = new TruncInst(Size, IntPtr, "", CI);
+ const IntegerType *IntPtr = TD.getIntPtrType();
+ Value *Size = Builder.CreateIntCast(CI->getOperand(3), IntPtr,
+ /* isSigned */ false);
Value *Ops[3];
Ops[0] = CI->getOperand(1);
// Extend the amount to i32.
- Ops[1] = new ZExtInst(CI->getOperand(2), Type::Int32Ty, "", CI);
+ Ops[1] = Builder.CreateIntCast(CI->getOperand(2), Type::Int32Ty,
+ /* isSigned */ false);
Ops[2] = Size;
ReplaceCallWith("memset", CI, Ops, Ops+3, CI->getOperand(1)->getType(),
MemsetFCache);
break;
}
case Intrinsic::sqrt: {
- static Constant *sqrtfFCache = 0;
static Constant *sqrtFCache = 0;
+ static Constant *sqrtDCache = 0;
static Constant *sqrtLDCache = 0;
- switch (CI->getOperand(1)->getType()->getTypeID()) {
- default: assert(0 && "Invalid type in sqrt"); abort();
- case Type::FloatTyID:
- ReplaceCallWith("sqrtf", CI, CI->op_begin()+1, CI->op_end(),
- Type::FloatTy, sqrtfFCache);
- break;
- case Type::DoubleTyID:
- ReplaceCallWith("sqrt", CI, CI->op_begin()+1, CI->op_end(),
- Type::DoubleTy, sqrtFCache);
- break;
- case Type::X86_FP80TyID:
- case Type::FP128TyID:
- case Type::PPC_FP128TyID:
- ReplaceCallWith("sqrtl", CI, CI->op_begin()+1, CI->op_end(),
- CI->getOperand(1)->getType(), sqrtLDCache);
- break;
- }
+ ReplaceFPIntrinsicWithCall(CI, sqrtFCache, sqrtDCache, sqrtLDCache,
+ "sqrtf", "sqrt", "sqrtl");
+ break;
+ }
+ case Intrinsic::log: {
+ static Constant *logFCache = 0;
+ static Constant *logDCache = 0;
+ static Constant *logLDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, logFCache, logDCache, logLDCache,
+ "logf", "log", "logl");
+ break;
+ }
+ case Intrinsic::log2: {
+ static Constant *log2FCache = 0;
+ static Constant *log2DCache = 0;
+ static Constant *log2LDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, log2FCache, log2DCache, log2LDCache,
+ "log2f", "log2", "log2l");
break;
}
+ case Intrinsic::log10: {
+ static Constant *log10FCache = 0;
+ static Constant *log10DCache = 0;
+ static Constant *log10LDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, log10FCache, log10DCache, log10LDCache,
+ "log10f", "log10", "log10l");
+ break;
+ }
+ case Intrinsic::exp: {
+ static Constant *expFCache = 0;
+ static Constant *expDCache = 0;
+ static Constant *expLDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, expFCache, expDCache, expLDCache,
+ "expf", "exp", "expl");
+ break;
+ }
+ case Intrinsic::exp2: {
+ static Constant *exp2FCache = 0;
+ static Constant *exp2DCache = 0;
+ static Constant *exp2LDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, exp2FCache, exp2DCache, exp2LDCache,
+ "exp2f", "exp2", "exp2l");
+ break;
+ }
+ case Intrinsic::pow: {
+ static Constant *powFCache = 0;
+ static Constant *powDCache = 0;
+ static Constant *powLDCache = 0;
+ ReplaceFPIntrinsicWithCall(CI, powFCache, powDCache, powLDCache,
+ "powf", "pow", "powl");
+ break;
+ }
+ case Intrinsic::flt_rounds:
+ // Lower to "round to the nearest"
+ if (CI->getType() != Type::VoidTy)
+ CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
+ break;
}
assert(CI->use_empty() &&
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