#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/CallSite.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
-#include "llvm/Support/CallSite.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
M.getOrInsertFunction(Name, FunctionType::get(RetTy, ParamTys, false));
}
-static void EnsureFPIntrinsicsExist(Module &M, Function *Fn,
+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()) {
+ switch((int)Fn.arg_begin()->getType()->getTypeID()) {
case Type::FloatTyID:
- EnsureFunctionExists(M, FName, Fn->arg_begin(), Fn->arg_end(),
+ 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(),
+ 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());
+ EnsureFunctionExists(M, LDName, Fn.arg_begin(), Fn.arg_end(),
+ Fn.arg_begin()->getType());
break;
}
}
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();
+ Module *M = CI->getModule();
// Get or insert the definition now.
std::vector<Type *> ParamTys;
for (ArgIt I = ArgBegin; I != ArgEnd; ++I)
Constant* FCache = M->getOrInsertFunction(NewFn,
FunctionType::get(RetTy, ParamTys, false));
- IRBuilder<> Builder(CI->getParent(), CI);
+ IRBuilder<> Builder(CI->getParent(), CI->getIterator());
SmallVector<Value *, 8> Args(ArgBegin, ArgEnd);
CallInst *NewCI = Builder.CreateCall(FCache, Args);
NewCI->setName(CI->getName());
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()) {
+ for (auto &F : M)
+ if (F.isDeclaration() && !F.use_empty())
+ switch (F.getIntrinsicID()) {
default: break;
case Intrinsic::setjmp:
- EnsureFunctionExists(M, "setjmp", I->arg_begin(), I->arg_end(),
+ EnsureFunctionExists(M, "setjmp", F.arg_begin(), F.arg_end(),
Type::getInt32Ty(M.getContext()));
break;
case Intrinsic::longjmp:
- EnsureFunctionExists(M, "longjmp", I->arg_begin(), I->arg_end(),
+ EnsureFunctionExists(M, "longjmp", F.arg_begin(), F.arg_end(),
Type::getVoidTy(M.getContext()));
break;
case Intrinsic::siglongjmp:
- EnsureFunctionExists(M, "abort", I->arg_end(), I->arg_end(),
+ EnsureFunctionExists(M, "abort", F.arg_end(), F.arg_end(),
Type::getVoidTy(M.getContext()));
break;
case Intrinsic::memcpy:
Type::getInt8PtrTy(Context),
Type::getInt8PtrTy(Context),
Type::getInt8PtrTy(Context),
- TD.getIntPtrType(Context), (Type *)0);
+ DL.getIntPtrType(Context), nullptr);
break;
case Intrinsic::memmove:
M.getOrInsertFunction("memmove",
Type::getInt8PtrTy(Context),
Type::getInt8PtrTy(Context),
Type::getInt8PtrTy(Context),
- TD.getIntPtrType(Context), (Type *)0);
+ DL.getIntPtrType(Context), nullptr);
break;
case Intrinsic::memset:
M.getOrInsertFunction("memset",
Type::getInt8PtrTy(Context),
Type::getInt8PtrTy(Context),
Type::getInt32Ty(M.getContext()),
- TD.getIntPtrType(Context), (Type *)0);
+ DL.getIntPtrType(Context), nullptr);
break;
case Intrinsic::sqrt:
- EnsureFPIntrinsicsExist(M, I, "sqrtf", "sqrt", "sqrtl");
+ EnsureFPIntrinsicsExist(M, F, "sqrtf", "sqrt", "sqrtl");
break;
case Intrinsic::sin:
- EnsureFPIntrinsicsExist(M, I, "sinf", "sin", "sinl");
+ EnsureFPIntrinsicsExist(M, F, "sinf", "sin", "sinl");
break;
case Intrinsic::cos:
- EnsureFPIntrinsicsExist(M, I, "cosf", "cos", "cosl");
+ EnsureFPIntrinsicsExist(M, F, "cosf", "cos", "cosl");
break;
case Intrinsic::pow:
- EnsureFPIntrinsicsExist(M, I, "powf", "pow", "powl");
+ EnsureFPIntrinsicsExist(M, F, "powf", "pow", "powl");
break;
case Intrinsic::log:
- EnsureFPIntrinsicsExist(M, I, "logf", "log", "logl");
+ EnsureFPIntrinsicsExist(M, F, "logf", "log", "logl");
break;
case Intrinsic::log2:
- EnsureFPIntrinsicsExist(M, I, "log2f", "log2", "log2l");
+ EnsureFPIntrinsicsExist(M, F, "log2f", "log2", "log2l");
break;
case Intrinsic::log10:
- EnsureFPIntrinsicsExist(M, I, "log10f", "log10", "log10l");
+ EnsureFPIntrinsicsExist(M, F, "log10f", "log10", "log10l");
break;
case Intrinsic::exp:
- EnsureFPIntrinsicsExist(M, I, "expf", "exp", "expl");
+ EnsureFPIntrinsicsExist(M, F, "expf", "exp", "expl");
break;
case Intrinsic::exp2:
- EnsureFPIntrinsicsExist(M, I, "exp2f", "exp2", "exp2l");
+ EnsureFPIntrinsicsExist(M, F, "exp2f", "exp2", "exp2l");
break;
}
}
assert(V->getType()->isIntegerTy() && "Can't bswap a non-integer type!");
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
-
- IRBuilder<> Builder(IP->getParent(), IP);
+
+ IRBuilder<> Builder(IP);
switch(BitSize) {
default: llvm_unreachable("Unhandled type size of value to byteswap!");
0x0000FFFF0000FFFFULL, 0x00000000FFFFFFFFULL
};
- IRBuilder<> Builder(IP->getParent(), IP);
+ IRBuilder<> Builder(IP);
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
unsigned WordSize = (BitSize + 63) / 64;
/// instruction IP.
static Value *LowerCTLZ(LLVMContext &Context, Value *V, Instruction *IP) {
- IRBuilder<> Builder(IP->getParent(), IP);
+ IRBuilder<> Builder(IP);
unsigned BitSize = V->getType()->getPrimitiveSizeInBits();
for (unsigned i = 1; i < BitSize; i <<= 1) {
}
void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
- IRBuilder<> Builder(CI->getParent(), CI);
+ IRBuilder<> Builder(CI);
LLVMContext &Context = CI->getContext();
const Function *Callee = CI->getCalledFunction();
}
case Intrinsic::stacksave:
+ case Intrinsic::stackrestore: {
if (!Warned)
- Context.emitWarning("this target does not support the "
- "llvm.stacksave intrinsic");
- Warned = true;
- CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
- break;
-
- case Intrinsic::stackrestore:
- if (!Warned)
- Context.emitWarning("this target does not support the "
- "llvm.stackrestore intrinsic");
+ errs() << "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()));
break;
+ }
- case Intrinsic::returnaddress:
- Context.emitWarning("this target does not support the "
- "llvm.returnaddress intrinsic");
- CI->replaceAllUsesWith(ConstantPointerNull::get(
- cast<PointerType>(CI->getType())));
+ case Intrinsic::get_dynamic_area_offset:
+ errs() << "WARNING: this target does not support the custom llvm.get."
+ "dynamic.area.offset. It is being lowered to a constant 0\n";
+ // Just lower it to a constant 0 because for most targets
+ // @llvm.get.dynamic.area.offset is lowered to zero.
+ CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 0));
break;
-
+ case Intrinsic::returnaddress:
case Intrinsic::frameaddress:
- Context.emitWarning("this target does not support the "
- "llvm.frameaddress intrinsic");
+ errs() << "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:
- Context.emitWarning("this target does not support the "
- "llvm.readcyclecounter intrinsic; "
- "it is being lowered to a constant 0");
+ case Intrinsic::readcyclecounter: {
+ errs() << "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
CI->replaceAllUsesWith(ConstantInt::get(CI->getType(), 1));
break;
+ case Intrinsic::annotation:
+ case Intrinsic::ptr_annotation:
+ // Just drop the annotation, but forward the value
+ CI->replaceAllUsesWith(CI->getOperand(0));
+ break;
+
+ case Intrinsic::assume:
case Intrinsic::var_annotation:
- break; // Strip out annotate intrinsic
-
+ break; // Strip out these intrinsics
+
case Intrinsic::memcpy: {
- Type *IntPtr = TD.getIntPtrType(Context);
+ Type *IntPtr = DL.getIntPtrType(Context);
Value *Size = Builder.CreateIntCast(CI->getArgOperand(2), IntPtr,
/* isSigned */ false);
Value *Ops[3];
break;
}
case Intrinsic::memmove: {
- Type *IntPtr = TD.getIntPtrType(Context);
+ Type *IntPtr = DL.getIntPtrType(Context);
Value *Size = Builder.CreateIntCast(CI->getArgOperand(2), IntPtr,
/* isSigned */ false);
Value *Ops[3];
break;
}
case Intrinsic::memset: {
- Type *IntPtr = TD.getIntPtrType(Context);
+ Value *Op0 = CI->getArgOperand(0);
+ Type *IntPtr = DL.getIntPtrType(Op0->getType());
Value *Size = Builder.CreateIntCast(CI->getArgOperand(2), IntPtr,
/* isSigned */ false);
Value *Ops[3];
- Ops[0] = CI->getArgOperand(0);
+ Ops[0] = Op0;
// Extend the amount to i32.
Ops[1] = Builder.CreateIntCast(CI->getArgOperand(1),
Type::getInt32Ty(Context),
ReplaceFPIntrinsicWithCall(CI, "powf", "pow", "powl");
break;
}
+ case Intrinsic::sin: {
+ ReplaceFPIntrinsicWithCall(CI, "sinf", "sin", "sinl");
+ break;
+ }
+ case Intrinsic::cos: {
+ ReplaceFPIntrinsicWithCall(CI, "cosf", "cos", "cosl");
+ break;
+ }
+ case Intrinsic::floor: {
+ ReplaceFPIntrinsicWithCall(CI, "floorf", "floor", "floorl");
+ break;
+ }
+ case Intrinsic::ceil: {
+ ReplaceFPIntrinsicWithCall(CI, "ceilf", "ceil", "ceill");
+ break;
+ }
+ case Intrinsic::trunc: {
+ ReplaceFPIntrinsicWithCall(CI, "truncf", "trunc", "truncl");
+ break;
+ }
+ case Intrinsic::round: {
+ ReplaceFPIntrinsicWithCall(CI, "roundf", "round", "roundl");
+ break;
+ }
+ case Intrinsic::copysign: {
+ ReplaceFPIntrinsicWithCall(CI, "copysignf", "copysign", "copysignl");
+ break;
+ }
case Intrinsic::flt_rounds:
// Lower to "round to the nearest"
if (!CI->getType()->isVoidTy())
return false;
// Okay, we can do this xform, do so now.
- Module *M = CI->getParent()->getParent()->getParent();
+ Module *M = CI->getModule();
Constant *Int = Intrinsic::getDeclaration(M, Intrinsic::bswap, Ty);
Value *Op = CI->getArgOperand(0);