//
// 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/Support/ErrorHandling.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/ADT/SmallVector.h"
using namespace llvm;
template <class ArgIt>
-static Function *EnsureFunctionExists(Module &M, const char *Name,
- ArgIt ArgBegin, ArgIt ArgEnd,
- const Type *RetTy) {
- if (Function *F = M.getNamedFunction(Name)) return F;
- // It doesn't already exist in the program, insert a new definition now.
+static void EnsureFunctionExists(Module &M, const char *Name,
+ ArgIt ArgBegin, ArgIt ArgEnd,
+ const Type *RetTy) {
+ // Insert a correctly-typed definition now.
std::vector<const Type *> ParamTys;
for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
ParamTys.push_back(I->getType());
- return M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
+ 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::getFloatTy(M.getContext()));
+ break;
+ case Type::DoubleTyID:
+ EnsureFunctionExists(M, DName, Fn->arg_begin(), Fn->arg_end(),
+ Type::getDoubleTy(M.getContext()));
+ 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
template <class ArgIt>
static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
ArgIt ArgBegin, ArgIt ArgEnd,
- const unsigned *castOpcodes,
- const Type *RetTy, Function *&FCache) {
- if (!FCache) {
- // If we haven't already looked up this function, check to see if the
- // program already contains a function with this name.
- Module *M = CI->getParent()->getParent()->getParent();
- FCache = M->getNamedFunction(NewFn);
- if (!FCache) {
- // It doesn't already exist in the program, insert a new definition now.
- std::vector<const Type *> ParamTys;
- for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
- ParamTys.push_back((*I)->getType());
- FCache = M->getOrInsertFunction(NewFn,
- FunctionType::get(RetTy, ParamTys, false));
- }
- }
-
- const FunctionType *FT = FCache->getFunctionType();
- std::vector<Value*> Operands;
- unsigned ArgNo = 0;
- for (ArgIt I = ArgBegin; I != ArgEnd && ArgNo != FT->getNumParams();
- ++I, ++ArgNo) {
- Value *Arg = *I;
- if (Arg->getType() != FT->getParamType(ArgNo))
- if (castOpcodes[ArgNo])
- Arg = CastInst::create(Instruction::CastOps(castOpcodes[ArgNo]),
- Arg, FT->getParamType(ArgNo), Arg->getName(), CI);
- else
- Arg = CastInst::createInferredCast(Arg, FT->getParamType(ArgNo),
- Arg->getName(), CI);
- Operands.push_back(Arg);
- }
- // Pass nulls into any additional arguments...
- for (; ArgNo != FT->getNumParams(); ++ArgNo)
- Operands.push_back(Constant::getNullValue(FT->getParamType(ArgNo)));
-
- std::string Name = CI->getName(); CI->setName("");
- if (FT->getReturnType() == Type::VoidTy) Name.clear();
- CallInst *NewCI = new CallInst(FCache, Operands, Name, CI);
- if (!CI->use_empty()) {
- Value *V = NewCI;
- if (CI->getType() != NewCI->getType())
- V = CastInst::createInferredCast(NewCI, CI->getType(), Name, CI);
- CI->replaceAllUsesWith(V);
- }
+ const Type *RetTy) {
+ // If we haven't already looked up this function, check to see if the
+ // program already contains a function with this name.
+ Module *M = CI->getParent()->getParent()->getParent();
+ // Get or insert the definition now.
+ std::vector<const Type *> ParamTys;
+ for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
+ ParamTys.push_back((*I)->getType());
+ Constant* FCache = M->getOrInsertFunction(NewFn,
+ FunctionType::get(RetTy, ParamTys, false));
+
+ IRBuilder<> Builder(CI->getParent(), CI);
+ SmallVector<Value *, 8> Args(ArgBegin, ArgEnd);
+ CallInst *NewCI = Builder.CreateCall(FCache, Args.begin(), Args.end());
+ NewCI->setName(CI->getName());
+ if (!CI->use_empty())
+ CI->replaceAllUsesWith(NewCI);
return NewCI;
}
void IntrinsicLowering::AddPrototypes(Module &M) {
+ LLVMContext &Context = M.getContext();
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- if (I->isExternal() && !I->use_empty())
+ if (I->isDeclaration() && !I->use_empty())
switch (I->getIntrinsicID()) {
default: break;
case Intrinsic::setjmp:
EnsureFunctionExists(M, "setjmp", I->arg_begin(), I->arg_end(),
- Type::IntTy);
+ Type::getInt32Ty(M.getContext()));
break;
case Intrinsic::longjmp:
EnsureFunctionExists(M, "longjmp", I->arg_begin(), I->arg_end(),
- Type::VoidTy);
+ Type::getVoidTy(M.getContext()));
break;
case Intrinsic::siglongjmp:
EnsureFunctionExists(M, "abort", I->arg_end(), I->arg_end(),
- Type::VoidTy);
+ Type::getVoidTy(M.getContext()));
+ break;
+ case Intrinsic::memcpy:
+ M.getOrInsertFunction("memcpy",
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ TD.getIntPtrType(Context), (Type *)0);
+ break;
+ case Intrinsic::memmove:
+ M.getOrInsertFunction("memmove",
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ TD.getIntPtrType(Context), (Type *)0);
+ break;
+ case Intrinsic::memset:
+ M.getOrInsertFunction("memset",
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ PointerType::getUnqual(Type::getInt8Ty(Context)),
+ Type::getInt32Ty(M.getContext()),
+ TD.getIntPtrType(Context), (Type *)0);
+ break;
+ case Intrinsic::sqrt:
+ EnsureFPIntrinsicsExist(M, I, "sqrtf", "sqrt", "sqrtl");
break;
- case Intrinsic::memcpy_i32:
- case Intrinsic::memcpy_i64:
- EnsureFunctionExists(M, "memcpy", I->arg_begin(), --I->arg_end(),
- I->arg_begin()->getType());
+ case Intrinsic::sin:
+ EnsureFPIntrinsicsExist(M, I, "sinf", "sin", "sinl");
break;
- case Intrinsic::memmove_i32:
- case Intrinsic::memmove_i64:
- EnsureFunctionExists(M, "memmove", I->arg_begin(), --I->arg_end(),
- I->arg_begin()->getType());
+ case Intrinsic::cos:
+ EnsureFPIntrinsicsExist(M, I, "cosf", "cos", "cosl");
break;
- case Intrinsic::memset_i32:
- case Intrinsic::memset_i64:
- M.getOrInsertFunction("memset", PointerType::get(Type::SByteTy),
- PointerType::get(Type::SByteTy),
- Type::IntTy, (--(--I->arg_end()))->getType(),
- (Type *)0);
+ case Intrinsic::pow:
+ EnsureFPIntrinsicsExist(M, I, "powf", "pow", "powl");
break;
- case Intrinsic::isunordered_f32:
- case Intrinsic::isunordered_f64:
- EnsureFunctionExists(M, "isunordered", I->arg_begin(), I->arg_end(),
- Type::BoolTy);
+ case Intrinsic::log:
+ EnsureFPIntrinsicsExist(M, I, "logf", "log", "logl");
break;
- case Intrinsic::sqrt_f32:
- case Intrinsic::sqrt_f64:
- if(I->arg_begin()->getType() == Type::FloatTy)
- EnsureFunctionExists(M, "sqrtf", I->arg_begin(), I->arg_end(),
- Type::FloatTy);
- else
- EnsureFunctionExists(M, "sqrt", I->arg_begin(), I->arg_end(),
- Type::DoubleTy);
+ 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;
}
}
/// LowerBSWAP - Emit the code to lower bswap of V before the specified
/// instruction IP.
-static Value *LowerBSWAP(Value *V, Instruction *IP) {
+static Value *LowerBSWAP(LLVMContext &Context, Value *V, Instruction *IP) {
assert(V->getType()->isInteger() && "Can't bswap a non-integer type!");
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
+ IRBuilder<> Builder(IP->getParent(), IP);
+
switch(BitSize) {
- default: assert(0 && "Unhandled type size of value to byteswap!");
+ default: llvm_unreachable("Unhandled type size of value to byteswap!");
case 16: {
- Value *Tmp1 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,8),"bswap.2",IP);
- Value *Tmp2 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,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 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,24),"bswap.4", IP);
- Value *Tmp3 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,8),"bswap.3",IP);
- Value *Tmp2 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,8),"bswap.2",IP);
- Value *Tmp1 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,24),"bswap.1", IP);
- Tmp3 = BinaryOperator::createAnd(Tmp3,
- ConstantInt::get(Type::UIntTy, 0xFF0000),
- "bswap.and3", IP);
- Tmp2 = BinaryOperator::createAnd(Tmp2,
- ConstantInt::get(Type::UIntTy, 0xFF00),
- "bswap.and2", IP);
- Tmp4 = BinaryOperator::createOr(Tmp4, Tmp3, "bswap.or1", IP);
- Tmp2 = BinaryOperator::createOr(Tmp2, Tmp1, "bswap.or2", IP);
- V = BinaryOperator::createOr(Tmp4, Tmp3, "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::getInt32Ty(Context), 0xFF0000),
+ "bswap.and3");
+ Tmp2 = Builder.CreateAnd(Tmp2,
+ ConstantInt::get(Type::getInt32Ty(Context), 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 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,56),"bswap.8", IP);
- Value *Tmp7 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,40),"bswap.7", IP);
- Value *Tmp6 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,24),"bswap.6", IP);
- Value *Tmp5 = new ShiftInst(Instruction::Shl, V,
- ConstantInt::get(Type::UByteTy,8),"bswap.5", IP);
- Value* Tmp4 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,8),"bswap.4", IP);
- Value* Tmp3 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,24),"bswap.3", IP);
- Value* Tmp2 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,40),"bswap.2", IP);
- Value* Tmp1 = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy,56),"bswap.1", IP);
- Tmp7 = BinaryOperator::createAnd(Tmp7,
- ConstantInt::get(Type::ULongTy,
- 0xFF000000000000ULL),
- "bswap.and7", IP);
- Tmp6 = BinaryOperator::createAnd(Tmp6,
- ConstantInt::get(Type::ULongTy, 0xFF0000000000ULL),
- "bswap.and6", IP);
- Tmp5 = BinaryOperator::createAnd(Tmp5,
- ConstantInt::get(Type::ULongTy, 0xFF00000000ULL),
- "bswap.and5", IP);
- Tmp4 = BinaryOperator::createAnd(Tmp4,
- ConstantInt::get(Type::ULongTy, 0xFF000000ULL),
- "bswap.and4", IP);
- Tmp3 = BinaryOperator::createAnd(Tmp3,
- ConstantInt::get(Type::ULongTy, 0xFF0000ULL),
- "bswap.and3", IP);
- Tmp2 = BinaryOperator::createAnd(Tmp2,
- ConstantInt::get(Type::ULongTy, 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);
+ 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::getInt64Ty(Context),
+ 0xFF000000000000ULL),
+ "bswap.and7");
+ Tmp6 = Builder.CreateAnd(Tmp6,
+ ConstantInt::get(Type::getInt64Ty(Context),
+ 0xFF0000000000ULL),
+ "bswap.and6");
+ Tmp5 = Builder.CreateAnd(Tmp5,
+ ConstantInt::get(Type::getInt64Ty(Context),
+ 0xFF00000000ULL),
+ "bswap.and5");
+ Tmp4 = Builder.CreateAnd(Tmp4,
+ ConstantInt::get(Type::getInt64Ty(Context),
+ 0xFF000000ULL),
+ "bswap.and4");
+ Tmp3 = Builder.CreateAnd(Tmp3,
+ ConstantInt::get(Type::getInt64Ty(Context),
+ 0xFF0000ULL),
+ "bswap.and3");
+ Tmp2 = Builder.CreateAnd(Tmp2,
+ ConstantInt::get(Type::getInt64Ty(Context),
+ 0xFF00ULL),
+ "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;
}
}
/// LowerCTPOP - Emit the code to lower ctpop of V before the specified
/// instruction IP.
-static Value *LowerCTPOP(Value *V, Instruction *IP) {
+static Value *LowerCTPOP(LLVMContext &Context, Value *V, Instruction *IP) {
assert(V->getType()->isInteger() && "Can't ctpop a non-integer type!");
static const uint64_t MaskValues[6] = {
0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL
};
- unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
+ IRBuilder<> Builder(IP->getParent(), IP);
- for (unsigned i = 1, ct = 0; i != BitSize; i <<= 1, ++ct) {
- Value *MaskCst =
- ConstantExpr::getCast(ConstantInt::get(Type::ULongTy, MaskValues[ct]),
- V->getType());
- Value *LHS = BinaryOperator::createAnd(V, MaskCst, "cppop.and1", IP);
- Value *VShift = new ShiftInst(Instruction::LShr, V,
- ConstantInt::get(Type::UByteTy, i), "ctpop.sh", IP);
- Value *RHS = BinaryOperator::createAnd(VShift, MaskCst, "cppop.and2", IP);
- V = BinaryOperator::createAdd(LHS, RHS, "ctpop.step", IP);
+ unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
+ unsigned WordSize = (BitSize + 63) / 64;
+ Value *Count = ConstantInt::get(V->getType(), 0);
+
+ for (unsigned n = 0; n < WordSize; ++n) {
+ Value *PartValue = V;
+ for (unsigned i = 1, ct = 0; i < (BitSize>64 ? 64 : BitSize);
+ i <<= 1, ++ct) {
+ Value *MaskCst = ConstantInt::get(V->getType(), MaskValues[ct]);
+ 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 = Builder.CreateAdd(PartValue, Count, "ctpop.part");
+ if (BitSize > 64) {
+ V = Builder.CreateLShr(V, ConstantInt::get(V->getType(), 64),
+ "ctpop.part.sh");
+ BitSize -= 64;
+ }
}
- return V;
+ return Count;
}
/// LowerCTLZ - Emit the code to lower ctlz of V before the specified
/// instruction IP.
-static Value *LowerCTLZ(Value *V, Instruction *IP) {
+static Value *LowerCTLZ(LLVMContext &Context, 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(Type::UByteTy, i);
- ShVal = new ShiftInst(Instruction::LShr, V, ShVal, "ctlz.sh", IP);
- V = BinaryOperator::createOr(V, ShVal, "ctlz.step", IP);
+ for (unsigned i = 1; i < BitSize; i <<= 1) {
+ Value *ShVal = ConstantInt::get(V->getType(), i);
+ ShVal = Builder.CreateLShr(V, ShVal, "ctlz.sh");
+ V = Builder.CreateOr(V, ShVal, "ctlz.step");
}
- V = BinaryOperator::createNot(V, "", IP);
- return LowerCTPOP(V, IP);
+ V = Builder.CreateNot(V);
+ return LowerCTPOP(Context, V, IP);
}
-
+static void ReplaceFPIntrinsicWithCall(CallInst *CI, const char *Fname,
+ const char *Dname,
+ const char *LDname) {
+ switch (CI->getOperand(1)->getType()->getTypeID()) {
+ default: llvm_unreachable("Invalid type in intrinsic");
+ case Type::FloatTyID:
+ ReplaceCallWith(Fname, CI, CI->op_begin() + 1, CI->op_end(),
+ Type::getFloatTy(CI->getContext()));
+ break;
+ case Type::DoubleTyID:
+ ReplaceCallWith(Dname, CI, CI->op_begin() + 1, CI->op_end(),
+ Type::getDoubleTy(CI->getContext()));
+ 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());
+ break;
+ }
+}
void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
+ IRBuilder<> Builder(CI->getParent(), CI);
+ LLVMContext &Context = CI->getContext();
+
Function *Callee = CI->getCalledFunction();
assert(Callee && "Cannot lower an indirect call!");
switch (Callee->getIntrinsicID()) {
case Intrinsic::not_intrinsic:
- llvm_cerr << "Cannot lower a call to a non-intrinsic function '"
- << Callee->getName() << "'!\n";
- abort();
+ llvm_report_error("Cannot lower a call to a non-intrinsic function '"+
+ Callee->getName() + "'!");
default:
- llvm_cerr << "Error: Code generator does not support intrinsic function '"
- << Callee->getName() << "'!\n";
- abort();
+ llvm_report_error("Code generator does not support intrinsic function '"+
+ Callee->getName()+"'!");
// The setjmp/longjmp intrinsics should only exist in the code if it was
// never optimized (ie, right out of the CFE), or if it has been hacked on
// by the lowerinvoke pass. In both cases, the right thing to do is to
// convert the call to an explicit setjmp or longjmp call.
case Intrinsic::setjmp: {
- static Function *SetjmpFCache = 0;
- static const unsigned castOpcodes[] = { Instruction::BitCast };
- Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin()+1, CI->op_end(),
- castOpcodes, Type::IntTy, SetjmpFCache);
- if (CI->getType() != Type::VoidTy)
+ Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin() + 1, CI->op_end(),
+ Type::getInt32Ty(Context));
+ if (CI->getType() != Type::getVoidTy(Context))
CI->replaceAllUsesWith(V);
break;
}
case Intrinsic::sigsetjmp:
- if (CI->getType() != Type::VoidTy)
+ if (CI->getType() != Type::getVoidTy(Context))
CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
break;
case Intrinsic::longjmp: {
- static Function *LongjmpFCache = 0;
- static const unsigned castOpcodes[] =
- { Instruction::BitCast, 0 };
- ReplaceCallWith("longjmp", CI, CI->op_begin()+1, CI->op_end(),
- castOpcodes, Type::VoidTy, LongjmpFCache);
+ ReplaceCallWith("longjmp", CI, CI->op_begin() + 1, CI->op_end(),
+ Type::getVoidTy(Context));
break;
}
case Intrinsic::siglongjmp: {
// Insert the call to abort
- static Function *AbortFCache = 0;
- static const unsigned castOpcodes[] =
- { Instruction::BitCast, 0 };
ReplaceCallWith("abort", CI, CI->op_end(), CI->op_end(),
- castOpcodes, Type::VoidTy, AbortFCache);
+ Type::getVoidTy(Context));
break;
}
- case Intrinsic::ctpop_i8:
- case Intrinsic::ctpop_i16:
- case Intrinsic::ctpop_i32:
- case Intrinsic::ctpop_i64:
- CI->replaceAllUsesWith(LowerCTPOP(CI->getOperand(1), CI));
+ case Intrinsic::ctpop:
+ CI->replaceAllUsesWith(LowerCTPOP(Context, CI->getOperand(1), CI));
break;
- case Intrinsic::bswap_i16:
- case Intrinsic::bswap_i32:
- case Intrinsic::bswap_i64:
- CI->replaceAllUsesWith(LowerBSWAP(CI->getOperand(1), CI));
+ case Intrinsic::bswap:
+ CI->replaceAllUsesWith(LowerBSWAP(Context, CI->getOperand(1), CI));
break;
- case Intrinsic::ctlz_i8:
- case Intrinsic::ctlz_i16:
- case Intrinsic::ctlz_i32:
- case Intrinsic::ctlz_i64:
- CI->replaceAllUsesWith(LowerCTLZ(CI->getOperand(1), CI));
+ case Intrinsic::ctlz:
+ CI->replaceAllUsesWith(LowerCTLZ(Context, CI->getOperand(1), CI));
break;
- case Intrinsic::cttz_i8:
- case Intrinsic::cttz_i16:
- case Intrinsic::cttz_i32:
- case Intrinsic::cttz_i64: {
+ 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(Context, Builder.CreateAnd(NotSrc, SrcM1), CI);
CI->replaceAllUsesWith(Src);
break;
}
case Intrinsic::stacksave:
case Intrinsic::stackrestore: {
- static bool Warned = false;
if (!Warned)
- llvm_cerr << "WARNING: this target does not support the llvm.stack"
- << (Callee->getIntrinsicID() == Intrinsic::stacksave ?
- "save" : "restore") << " intrinsic.\n";
+ cerr << "WARNING: this target does not support the llvm.stack"
+ << (Callee->getIntrinsicID() == Intrinsic::stacksave ?
+ "save" : "restore") << " intrinsic.\n";
Warned = true;
if (Callee->getIntrinsicID() == Intrinsic::stacksave)
CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
case Intrinsic::returnaddress:
case Intrinsic::frameaddress:
- llvm_cerr << "WARNING: this target does not support the llvm."
- << (Callee->getIntrinsicID() == Intrinsic::returnaddress ?
- "return" : "frame") << "address intrinsic.\n";
+ cerr << "WARNING: this target does not support the llvm."
+ << (Callee->getIntrinsicID() == Intrinsic::returnaddress ?
+ "return" : "frame") << "address intrinsic.\n";
CI->replaceAllUsesWith(ConstantPointerNull::get(
cast<PointerType>(CI->getType())));
break;
case Intrinsic::pcmarker:
break; // Simply strip out pcmarker on unsupported architectures
case Intrinsic::readcyclecounter: {
- llvm_cerr << "WARNING: this target does not support the llvm.readcyclecoun"
- << "ter intrinsic. It is being lowered to a constant 0\n";
- CI->replaceAllUsesWith(ConstantInt::get(Type::ULongTy, 0));
+ cerr << "WARNING: this target does not support the llvm.readcyclecoun"
+ << "ter intrinsic. It is being lowered to a constant 0\n";
+ CI->replaceAllUsesWith(ConstantInt::get(Type::getInt64Ty(Context), 0));
break;
}
case Intrinsic::dbg_declare:
break; // Simply strip out debugging intrinsics
- case Intrinsic::memcpy_i32: {
- // The memcpy intrinsic take an extra alignment argument that the memcpy
- // libc function does not.
- static unsigned opcodes[] =
- { Instruction::BitCast, Instruction::BitCast, Instruction::BitCast };
- // FIXME:
- // if (target_is_64_bit) opcodes[2] = Instruction::ZExt;
- // else opcodes[2] = Instruction::BitCast;
- static Function *MemcpyFCache = 0;
- ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemcpyFCache);
+ case Intrinsic::eh_exception:
+ case Intrinsic::eh_selector_i32:
+ case Intrinsic::eh_selector_i64:
+ CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
+ break;
+
+ case Intrinsic::eh_typeid_for_i32:
+ case Intrinsic::eh_typeid_for_i64:
+ // Return something different to eh_selector.
+ CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
+ break;
+
+ case Intrinsic::var_annotation:
+ break; // Strip out annotate intrinsic
+
+ case Intrinsic::memcpy: {
+ const IntegerType *IntPtr = TD.getIntPtrType(Context);
+ Value *Size = Builder.CreateIntCast(CI->getOperand(3), IntPtr,
+ /* isSigned */ false);
+ Value *Ops[3];
+ Ops[0] = CI->getOperand(1);
+ Ops[1] = CI->getOperand(2);
+ Ops[2] = Size;
+ ReplaceCallWith("memcpy", CI, Ops, Ops+3, CI->getOperand(1)->getType());
break;
}
- case Intrinsic::memcpy_i64: {
- static unsigned opcodes[] =
- { Instruction::BitCast, Instruction::BitCast, Instruction::Trunc };
- // FIXME:
- // if (target_is_64_bit) opcodes[2] = Instruction::BitCast;
- // else opcodes[2] = Instruction::Trunc;
- static Function *MemcpyFCache = 0;
- ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemcpyFCache);
+ case Intrinsic::memmove: {
+ const IntegerType *IntPtr = TD.getIntPtrType(Context);
+ Value *Size = Builder.CreateIntCast(CI->getOperand(3), IntPtr,
+ /* isSigned */ false);
+ Value *Ops[3];
+ Ops[0] = CI->getOperand(1);
+ Ops[1] = CI->getOperand(2);
+ Ops[2] = Size;
+ ReplaceCallWith("memmove", CI, Ops, Ops+3, CI->getOperand(1)->getType());
break;
}
- case Intrinsic::memmove_i32: {
- // The memmove intrinsic take an extra alignment argument that the memmove
- // libc function does not.
- static unsigned opcodes[] =
- { Instruction::BitCast, Instruction::BitCast, Instruction::BitCast };
- // FIXME:
- // if (target_is_64_bit) opcodes[2] = Instruction::ZExt;
- // else opcodes[2] = Instruction::BitCast;
- static Function *MemmoveFCache = 0;
- ReplaceCallWith("memmove", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemmoveFCache);
+ case Intrinsic::memset: {
+ const IntegerType *IntPtr = TD.getIntPtrType(Context);
+ 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] = Builder.CreateIntCast(CI->getOperand(2), Type::getInt32Ty(Context),
+ /* isSigned */ false);
+ Ops[2] = Size;
+ ReplaceCallWith("memset", CI, Ops, Ops+3, CI->getOperand(1)->getType());
break;
}
- case Intrinsic::memmove_i64: {
- // The memmove intrinsic take an extra alignment argument that the memmove
- // libc function does not.
- static const unsigned opcodes[] =
- { Instruction::BitCast, Instruction::BitCast, Instruction::Trunc };
- // if (target_is_64_bit) opcodes[2] = Instruction::BitCast;
- // else opcodes[2] = Instruction::Trunc;
- static Function *MemmoveFCache = 0;
- ReplaceCallWith("memmove", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemmoveFCache);
+ case Intrinsic::sqrt: {
+ ReplaceFPIntrinsicWithCall(CI, "sqrtf", "sqrt", "sqrtl");
break;
}
- case Intrinsic::memset_i32: {
- // The memset intrinsic take an extra alignment argument that the memset
- // libc function does not.
- static const unsigned opcodes[] =
- { Instruction::BitCast, Instruction::ZExt, Instruction::ZExt, 0 };
- // if (target_is_64_bit) opcodes[2] = Instruction::BitCast;
- // else opcodes[2] = Instruction::ZExt;
- static Function *MemsetFCache = 0;
- ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemsetFCache);
+ case Intrinsic::log: {
+ ReplaceFPIntrinsicWithCall(CI, "logf", "log", "logl");
+ break;
}
- case Intrinsic::memset_i64: {
- // The memset intrinsic take an extra alignment argument that the memset
- // libc function does not.
- static const unsigned opcodes[] =
- { Instruction::BitCast, Instruction::ZExt, Instruction::Trunc, 0 };
- // if (target_is_64_bit) opcodes[2] = Instruction::BitCast;
- // else opcodes[2] = Instruction::Trunc;
- static Function *MemsetFCache = 0;
- ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
- opcodes, (*(CI->op_begin()+1))->getType(), MemsetFCache);
+ case Intrinsic::log2: {
+ ReplaceFPIntrinsicWithCall(CI, "log2f", "log2", "log2l");
break;
}
- case Intrinsic::isunordered_f32:
- case Intrinsic::isunordered_f64: {
- Value *L = CI->getOperand(1);
- Value *R = CI->getOperand(2);
-
- Value *LIsNan = new SetCondInst(Instruction::SetNE, L, L, "LIsNan", CI);
- Value *RIsNan = new SetCondInst(Instruction::SetNE, R, R, "RIsNan", CI);
- CI->replaceAllUsesWith(
- BinaryOperator::create(Instruction::Or, LIsNan, RIsNan,
- "isunordered", CI));
+ case Intrinsic::log10: {
+ ReplaceFPIntrinsicWithCall(CI, "log10f", "log10", "log10l");
break;
}
- case Intrinsic::sqrt_f32: {
- static const unsigned opcodes[] = { 0 };
- static Function *sqrtfFCache = 0;
- ReplaceCallWith("sqrtf", CI, CI->op_begin()+1, CI->op_end(),
- opcodes, Type::FloatTy, sqrtfFCache);
+ case Intrinsic::exp: {
+ ReplaceFPIntrinsicWithCall(CI, "expf", "exp", "expl");
break;
}
- case Intrinsic::sqrt_f64: {
- static const unsigned opcodes[] = { 0 };
- static Function *sqrtFCache = 0;
- ReplaceCallWith("sqrt", CI, CI->op_begin()+1, CI->op_end(),
- opcodes, Type::DoubleTy, sqrtFCache);
+ case Intrinsic::exp2: {
+ ReplaceFPIntrinsicWithCall(CI, "exp2f", "exp2", "exp2l");
break;
}
+ case Intrinsic::pow: {
+ ReplaceFPIntrinsicWithCall(CI, "powf", "pow", "powl");
+ break;
+ }
+ case Intrinsic::flt_rounds:
+ // Lower to "round to the nearest"
+ if (CI->getType() != Type::getVoidTy(Context))
+ CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
+ break;
}
assert(CI->use_empty() &&
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