//
// 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;
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
/// 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
template <class ArgIt>
static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
ArgIt ArgBegin, ArgIt ArgEnd,
- const Type *RetTy, Constant *&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();
- // Get or insert the 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));
- }
-
- SmallVector<Value*, 8> Operands(ArgBegin, ArgEnd);
- CallInst *NewCI = new CallInst(FCache, &Operands[0], Operands.size(),
- CI->getName(), CI);
+ 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->isDeclaration() && !I->use_empty())
switch (I->getIntrinsicID()) {
default: break;
case Intrinsic::setjmp:
EnsureFunctionExists(M, "setjmp", I->arg_begin(), I->arg_end(),
- Type::Int32Ty);
+ 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:
- M.getOrInsertFunction("memcpy", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- TD.getIntPtrType(), (Type *)0);
+ case Intrinsic::sin:
+ EnsureFPIntrinsicsExist(M, I, "sinf", "sin", "sinl");
break;
- case Intrinsic::memmove_i32:
- case Intrinsic::memmove_i64:
- M.getOrInsertFunction("memmove", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty),
- TD.getIntPtrType(), (Type *)0);
+ case Intrinsic::cos:
+ EnsureFPIntrinsicsExist(M, I, "cosf", "cos", "cosl");
break;
- case Intrinsic::memset_i32:
- case Intrinsic::memset_i64:
- M.getOrInsertFunction("memset", PointerType::get(Type::Int8Ty),
- PointerType::get(Type::Int8Ty), Type::Int32Ty,
- TD.getIntPtrType(), (Type *)0);
+ case Intrinsic::pow:
+ EnsureFPIntrinsicsExist(M, I, "powf", "pow", "powl");
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::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;
}
}
/// 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 = 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, 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 = 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,
- ConstantInt::get(Type::Int64Ty, 0xFF00000000ULL),
- "bswap.and5", IP);
- Tmp4 = BinaryOperator::createAnd(Tmp4,
- ConstantInt::get(Type::Int64Ty, 0xFF000000ULL),
- "bswap.and4", IP);
- Tmp3 = BinaryOperator::createAnd(Tmp3,
- ConstantInt::get(Type::Int64Ty, 0xFF0000ULL),
- "bswap.and3", IP);
- Tmp2 = BinaryOperator::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);
+ 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 = ConstantInt::get(V->getType(), MaskValues[ct]);
- Value *LHS = BinaryOperator::createAnd(V, MaskCst, "cppop.and1", IP);
- Value *VShift = BinaryOperator::createLShr(V,
- ConstantInt::get(V->getType(), 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 CastInst::createIntegerCast(V, Type::Int32Ty, false, "ctpop", IP);
+ 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) {
+ 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);
- return LowerCTPOP(V, IP);
+ V = Builder.CreateNot(V);
+ return LowerCTPOP(Context, V, IP);
}
-/// Convert the llvm.part.select.iX.iY intrinsic. This intrinsic takes
-/// three integer arguments. The first argument is the Value from which the
-/// bits will be selected. It may be of any bit width. The second and third
-/// arguments specify a range of bits to select with the second argument
-/// specifying the low bit and the third argument specifying the high bit. Both
-/// must be type i32. The result is the corresponding selected bits from the
-/// Value in the same width as the Value (first argument). If the low bit index
-/// is higher than the high bit index then the inverse selection is done and
-/// the bits are returned in inverse order.
-/// @brief Lowering of llvm.part.select intrinsic.
-static Instruction *LowerPartSelect(CallInst *CI) {
- // Make sure we're dealing with a part select intrinsic here
- Function *F = CI->getCalledFunction();
- const FunctionType *FT = F->getFunctionType();
- if (!F->isDeclaration() || !FT->getReturnType()->isInteger() ||
- FT->getNumParams() != 3 || !FT->getParamType(0)->isInteger() ||
- !FT->getParamType(1)->isInteger() || !FT->getParamType(2)->isInteger())
- return CI;
-
- // Get the intrinsic implementation function by converting all the . to _
- // in the intrinsic's function name and then reconstructing the function
- // declaration.
- std::string Name(F->getName());
- for (unsigned i = 4; i < Name.length(); ++i)
- if (Name[i] == '.')
- Name[i] = '_';
- Module* M = F->getParent();
- F = cast<Function>(M->getOrInsertFunction(Name, FT));
- F->setLinkage(GlobalValue::WeakLinkage);
-
- // If we haven't defined the impl function yet, do so now
- if (F->isDeclaration()) {
-
- // Get the arguments to the function
- 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");
-
- // 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());
-
- // 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);
- if (Lo->getType() != Val->getType())
- Lo = CastInst::createIntegerCast(Lo, Val->getType(), false,
- "tmp", CurBB);
-
- // Compute a few things that both cases will need, up front.
- Constant* Zero = ConstantInt::get(Val->getType(), 0);
- Constant* One = ConstantInt::get(Val->getType(), 1);
- Constant* AllOnes = ConstantInt::getAllOnesValue(Val->getType());
-
- // 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);
-
- // First, copmute the number of bits in the forward case.
- Instruction* FBitSize =
- BinaryOperator::createSub(Hi, Lo,"fbits", FwdSize);
- new BranchInst(Compute, FwdSize);
-
- // Second, compute the number of bits in the reverse case.
- Instruction* RBitSize =
- BinaryOperator::createSub(Lo, Hi, "rbits", RevSize);
- new BranchInst(Compute, RevSize);
-
- // 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
- // the number of bits we want in the range. We shift the bits down to the
- // 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.
-
- // Get the BitSize from one of the two subtractions
- PHINode *BitSize = new PHINode(Val->getType(), "bits", Compute);
- 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);
- ShiftAmt->reserveOperandSpace(2);
- ShiftAmt->addIncoming(Lo, FwdSize);
- ShiftAmt->addIncoming(Hi, RevSize);
-
- // Increment the bit size
- Instruction *BitSizePlusOne =
- BinaryOperator::createAdd(BitSize, One, "bits", Compute);
-
- // Create a Mask to zero out the high order bits.
- Instruction* Mask =
- BinaryOperator::createShl(AllOnes, BitSizePlusOne, "mask", Compute);
- Mask = BinaryOperator::createNot(Mask, "mask", Compute);
-
- // 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);
-
- // 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.
-
- // First set up our loop counters
- PHINode *Count = new PHINode(Val->getType(), "count", Reverse);
- Count->reserveOperandSpace(2);
- Count->addIncoming(BitSizePlusOne, Compute);
-
- // Next, get the value that we are shifting.
- PHINode *BitsToShift = new PHINode(Val->getType(), "val", Reverse);
- BitsToShift->reserveOperandSpace(2);
- BitsToShift->addIncoming(FRes, Compute);
-
- // Finally, get the result of the last computation
- PHINode *RRes = new PHINode(Val->getType(), "rres", Reverse);
- RRes->reserveOperandSpace(2);
- RRes->addIncoming(Zero, Compute);
-
- // Decrement the counter
- Instruction *Decr = BinaryOperator::createSub(Count, One, "decr", Reverse);
- Count->addIncoming(Decr, Reverse);
-
- // Compute the Bit that we want to move
- Instruction *Bit =
- BinaryOperator::createAnd(BitsToShift, One, "bit", Reverse);
-
- // Compute the new value for next iteration.
- Instruction *NewVal =
- BinaryOperator::createLShr(BitsToShift, One, "rshift", Reverse);
- 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);
- 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);
-
- // 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);
- BitSelect->reserveOperandSpace(2);
- BitSelect->addIncoming(FRes, Compute);
- BitSelect->addIncoming(NewRes, Reverse);
- new ReturnInst(BitSelect, CurBB);
- }
-
- // Return a call to the implementation function
- Value *Args[3];
- Args[0] = CI->getOperand(1);
- Args[1] = CI->getOperand(2);
- Args[2] = CI->getOperand(3);
- return new CallInst(F, Args, 3, CI->getName(), CI);
-}
-
-/// Convert the llvm.part.set.iX.iY.iZ intrinsic. This intrinsic takes
-/// four integer arguments (iAny %Value, iAny %Replacement, i32 %Low, i32 %High)
-/// The first two arguments can be any bit width. The result is the same width
-/// as %Value. The operation replaces bits between %Low and %High with the value
-/// in %Replacement. If %Replacement is not the same width, it is truncated or
-/// zero extended as appropriate to fit the bits being replaced. If %Low is
-/// greater than %High then the inverse set of bits are replaced.
-/// @brief Lowering of llvm.bit.part.set intrinsic.
-static Instruction *LowerPartSet(CallInst *CI) {
- // Make sure we're dealing with a part select intrinsic here
- Function *F = CI->getCalledFunction();
- const FunctionType *FT = F->getFunctionType();
- if (!F->isDeclaration() || !FT->getReturnType()->isInteger() ||
- FT->getNumParams() != 4 || !FT->getParamType(0)->isInteger() ||
- !FT->getParamType(1)->isInteger() || !FT->getParamType(2)->isInteger() ||
- !FT->getParamType(3)->isInteger())
- return CI;
-
- // Get the intrinsic implementation function by converting all the . to _
- // in the intrinsic's function name and then reconstructing the function
- // declaration.
- std::string Name(F->getName());
- for (unsigned i = 4; i < Name.length(); ++i)
- if (Name[i] == '.')
- Name[i] = '_';
- Module* M = F->getParent();
- F = cast<Function>(M->getOrInsertFunction(Name, FT));
- F->setLinkage(GlobalValue::WeakLinkage);
-
- // If we haven't defined the impl function yet, do so now
- if (F->isDeclaration()) {
- // Note: the following code is based on code generated by llvm2cpp with
- // the following input. This is just *one* example of a generated function.
- // The functions vary by bit width of result and first two arguments.
- // The generated code has been changed to deal with any bit width not just
- // the 32/64 bitwidths used in the above sample.
- //
- // define i64 @part_set(i64 %Val, i32 %Rep, i32 %Lo, i32 %Hi) {
- // entry:
- // %is_forward = icmp ult i32 %Lo, %Hi
- // %Lo.pn = select i1 %is_forward, i32 %Hi, i32 %Lo
- // %Hi.pn = select i1 %is_forward, i32 %Lo, i32 %Hi
- // %iftmp.16.0 = sub i32 %Lo.pn, %Hi.pn
- // icmp ult i32 %iftmp.16.0, 32
- // br i1 %1, label %cond_true11, label %cond_next19
- // cond_true11:
- // %tmp13 = sub i32 32, %iftmp.16.0
- // %tmp14 = lshr i32 -1, %tmp13
- // %tmp16 = and i32 %tmp14, %Rep
- // br label %cond_next19
- // cond_next19:
- // %iftmp.17.0 = phi i32 [ %tmp16, %cond_true11 ], [ %Rep, %entry ]
- // %tmp2021 = zext i32 %iftmp.17.0 to i64
- // icmp ugt i32 %Lo, %Hi
- // br i1 %2, label %cond_next60, label %cond_true24
- // cond_true24:
- // %tmp25.cast = zext i32 %Hi to i64
- // %tmp26 = lshr i64 -1, %tmp25.cast
- // %tmp27.cast = zext i32 %Lo to i64
- // %tmp28 = shl i64 %tmp26, %tmp27.cast
- // %tmp28not = xor i64 %tmp28, -1
- // %tmp31 = shl i64 %tmp2021, %tmp27.cast
- // %tmp34 = and i64 %tmp28not, %Val
- // %Val_addr.064 = or i64 %tmp31, %tmp34
- // ret i64 %Val_addr.064
- // cond_next60:
- // %tmp39.cast = zext i32 %Lo to i64
- // %tmp40 = shl i64 -1, %tmp39.cast
- // %tmp41.cast = zext i32 %Hi to i64
- // %tmp42 = shl i64 -1, %tmp41.cast
- // %tmp45.demorgan = or i64 %tmp42, %tmp40
- // %tmp45 = xor i64 %tmp45.demorgan, -1
- // %tmp47 = and i64 %tmp45, %Val
- // %tmp50 = shl i64 %tmp2021, %tmp39.cast
- // %tmp52 = sub i32 32, %Hi
- // %tmp52.cast = zext i32 %tmp52 to i64
- // %tmp54 = lshr i64 %tmp2021, %tmp52.cast
- // %tmp57 = or i64 %tmp50, %tmp47
- // %Val_addr.0 = or i64 %tmp57, %tmp54
- // ret i64 %Val_addr.0
- // }
-
- // Get the arguments for the function.
- Function::arg_iterator args = F->arg_begin();
- Value* Val = args++; Val->setName("Val");
- Value* Rep = args++; Rep->setName("Rep");
- Value* Lo = args++; Lo->setName("Lo");
- Value* Hi = args++; Hi->setName("Hi");
-
- // 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* RepBitWidth = ConstantInt::get(Type::Int32Ty, RepBits);
- ConstantInt* RepMask = ConstantInt::getAllOnesValue(RepTy);
- ConstantInt* ValMask = ConstantInt::getAllOnesValue(ValTy);
-
- BasicBlock* entry = new BasicBlock("entry",F,0);
- BasicBlock* large = new BasicBlock("large",F,0);
- BasicBlock* small = new BasicBlock("small",F,0);
- BasicBlock* forward = new BasicBlock("forward",F,0);
- BasicBlock* reverse = new BasicBlock("reverse",F,0);
-
- // Block entry (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* Lo_pn = new SelectInst(is_forward, Hi, Lo, "", entry);
- SelectInst* Hi_pn = new SelectInst(is_forward, Lo, Hi, "", entry);
- BinaryOperator* NumBits = BinaryOperator::createSub(Lo_pn, Hi_pn, "",entry);
- // Now, convert Lo and Hi to ValTy bit width
- if (ValBits > 32) {
- Hi = new ZExtInst(Hi, ValTy, "", entry);
- Lo = new ZExtInst(Lo, ValTy, "", entry);
- } else if (ValBits < 32) {
- Hi = new TruncInst(Hi, ValTy, "", entry);
- Lo = new TruncInst(Lo, ValTy, "", entry);
- }
- // 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);
-
- // 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);
-
- // Block "small"
- PHINode* Rep3 = new PHINode(RepTy, "", small);
- 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);
- ICmpInst* is_reverse =
- new ICmpInst(ICmpInst::ICMP_UGT, Lo, Hi, "", small);
- new BranchInst(reverse, forward, is_reverse, small);
-
- // Block "forward"
- Value* t1 = BinaryOperator::createLShr(ValMask, Hi, "", forward);
- Value* t2 = BinaryOperator::createShl(t1, Lo, "", forward);
- Value* nott2 = BinaryOperator::createXor(t2, ValMask, "", forward);
- Value* t3 = BinaryOperator::createShl(Rep4, Lo, "", forward);
- Value* t4 = BinaryOperator::createAnd(nott2, Val, "", forward);
- Value* FRslt = BinaryOperator::createOr(t3, t4, "", forward);
- new ReturnInst(FRslt, forward);
-
- // Block "reverse"
- Value* t5 = BinaryOperator::createShl(ValMask, Lo, "", reverse);
- Value* t6 = BinaryOperator::createShl(ValMask, Hi, "", reverse);
- Value* t7 = BinaryOperator::createOr(t6, t5, "", reverse);
- Value* t8 = BinaryOperator::createXor(t7, ValMask, "", reverse);
- Value* t9 = BinaryOperator::createAnd(t8, Val, "", reverse);
- Value* t10 = BinaryOperator::createShl(Rep4, Lo, "", reverse);
- if (32 < ValBits)
- RepBitWidth =
- cast<ConstantInt>(ConstantExpr::getZExt(RepBitWidth, ValTy));
- else if (32 > ValBits)
- RepBitWidth =
- cast<ConstantInt>(ConstantExpr::getTrunc(RepBitWidth, ValTy));
- Value* t11 = BinaryOperator::createSub(RepBitWidth, Hi, "", reverse);
- Value* t13 = BinaryOperator::createLShr(Rep4, t11, "",reverse);
- Value* t14 = BinaryOperator::createOr(t10, t9, "", reverse);
- Value* RRslt = BinaryOperator::createOr(t14, t13, "", reverse);
- new ReturnInst(RRslt, reverse);
+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;
}
-
- // Return a call to the implementation function
- Value *Args[3];
- Args[0] = CI->getOperand(1);
- Args[1] = CI->getOperand(2);
- Args[2] = CI->getOperand(3);
- Args[3] = CI->getOperand(4);
- return new CallInst(F, Args, 4, CI->getName(), CI);
}
-
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:
- 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:
- 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 Constant *SetjmpFCache = 0;
- Value *V = ReplaceCallWith("setjmp", CI, CI->op_begin()+1, CI->op_end(),
- Type::Int32Ty, 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 Constant *LongjmpFCache = 0;
- ReplaceCallWith("longjmp", CI, CI->op_begin()+1, CI->op_end(),
- 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 Constant *AbortFCache = 0;
ReplaceCallWith("abort", CI, CI->op_end(), CI->op_end(),
- Type::VoidTy, AbortFCache);
+ Type::getVoidTy(Context));
break;
}
case Intrinsic::ctpop:
- CI->replaceAllUsesWith(LowerCTPOP(CI->getOperand(1), CI));
+ CI->replaceAllUsesWith(LowerCTPOP(Context, CI->getOperand(1), CI));
break;
case Intrinsic::bswap:
- CI->replaceAllUsesWith(LowerBSWAP(CI->getOperand(1), CI));
+ CI->replaceAllUsesWith(LowerBSWAP(Context, CI->getOperand(1), CI));
break;
case Intrinsic::ctlz:
- CI->replaceAllUsesWith(LowerCTLZ(CI->getOperand(1), CI));
+ CI->replaceAllUsesWith(LowerCTLZ(Context, CI->getOperand(1), CI));
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(Context, Builder.CreateAnd(NotSrc, SrcM1), CI);
CI->replaceAllUsesWith(Src);
break;
}
- case Intrinsic::part_select:
- CI->replaceAllUsesWith(LowerPartSelect(CI));
- break;
-
- case Intrinsic::part_set:
- CI->replaceAllUsesWith(LowerPartSet(CI));
- break;
-
case Intrinsic::stacksave:
case Intrinsic::stackrestore: {
- static bool Warned = false;
if (!Warned)
cerr << "WARNING: this target does not support the llvm.stack"
<< (Callee->getIntrinsicID() == Intrinsic::stacksave ?
case Intrinsic::readcyclecounter: {
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::Int64Ty, 0));
+ CI->replaceAllUsesWith(ConstantInt::get(Type::getInt64Ty(Context), 0));
break;
}
case Intrinsic::dbg_region_end:
case Intrinsic::dbg_func_start:
case Intrinsic::dbg_declare:
+ break; // Simply strip out debugging intrinsics
+
case Intrinsic::eh_exception:
- case Intrinsic::eh_selector:
- case Intrinsic::eh_filter:
- break; // Simply strip out debugging and eh intrinsics
-
- case Intrinsic::memcpy_i32:
- case Intrinsic::memcpy_i64: {
- 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);
+ 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(),
- MemcpyFCache);
+ ReplaceCallWith("memcpy", CI, Ops, Ops+3, CI->getOperand(1)->getType());
break;
}
- case Intrinsic::memmove_i32:
- case Intrinsic::memmove_i64: {
- 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);
+ 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(),
- MemmoveFCache);
+ ReplaceCallWith("memmove", CI, Ops, Ops+3, CI->getOperand(1)->getType());
break;
}
- case Intrinsic::memset_i32:
- case Intrinsic::memset_i64: {
- 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);
+ 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] = new ZExtInst(CI->getOperand(2), Type::Int32Ty, "", CI);
+ 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(),
- MemsetFCache);
+ ReplaceCallWith("memset", CI, Ops, Ops+3, CI->getOperand(1)->getType());
+ break;
+ }
+ case Intrinsic::sqrt: {
+ ReplaceFPIntrinsicWithCall(CI, "sqrtf", "sqrt", "sqrtl");
+ break;
+ }
+ case Intrinsic::log: {
+ ReplaceFPIntrinsicWithCall(CI, "logf", "log", "logl");
break;
}
- case Intrinsic::sqrt_f32: {
- static Constant *sqrtfFCache = 0;
- ReplaceCallWith("sqrtf", CI, CI->op_begin()+1, CI->op_end(),
- Type::FloatTy, sqrtfFCache);
+ case Intrinsic::log2: {
+ ReplaceFPIntrinsicWithCall(CI, "log2f", "log2", "log2l");
break;
}
- case Intrinsic::sqrt_f64: {
- static Constant *sqrtFCache = 0;
- ReplaceCallWith("sqrt", CI, CI->op_begin()+1, CI->op_end(),
- Type::DoubleTy, sqrtFCache);
+ case Intrinsic::log10: {
+ ReplaceFPIntrinsicWithCall(CI, "log10f", "log10", "log10l");
break;
}
+ case Intrinsic::exp: {
+ ReplaceFPIntrinsicWithCall(CI, "expf", "exp", "expl");
+ break;
+ }
+ 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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