#include "llvm/PassManager.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Support/CallSite.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/Support/Streams.h"
void visitShuffleVectorInst(ShuffleVectorInst &EI);
void visitVAArgInst(VAArgInst &VAA) { visitInstruction(VAA); }
void visitCallInst(CallInst &CI);
+ void visitInvokeInst(InvokeInst &II);
void visitGetElementPtrInst(GetElementPtrInst &GEP);
void visitLoadInst(LoadInst &LI);
void visitStoreInst(StoreInst &SI);
void visitUserOp1(Instruction &I);
void visitUserOp2(Instruction &I) { visitUserOp1(I); }
void visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI);
+ void visitAllocationInst(AllocationInst &AI);
+ void VerifyCallSite(CallSite CS);
void VerifyIntrinsicPrototype(Intrinsic::ID ID, Function *F,
unsigned Count, ...);
+ void VerifyParamAttrs(const FunctionType *FT, const ParamAttrsList *Attrs,
+ const Value *V);
void WriteValue(const Value *V) {
if (!V) return;
void Verifier::verifyTypeSymbolTable(TypeSymbolTable &ST) {
}
+// VerifyParamAttrs - Check parameter attributes against a function type.
+// The value V is printed in error messages.
+void Verifier::VerifyParamAttrs(const FunctionType *FT,
+ const ParamAttrsList *Attrs,
+ const Value *V) {
+ if (!Attrs)
+ return;
+
+ // Note that when calling a varargs function, the following test disallows
+ // parameter attributes for the arguments corresponding to the varargs part.
+ Assert1(Attrs->size() &&
+ Attrs->getParamIndex(Attrs->size()-1) <= FT->getNumParams(),
+ "Attributes after end of type!", V);
+
+ bool SawNest = false;
+
+ for (unsigned Idx = 0; Idx <= FT->getNumParams(); ++Idx) {
+ uint16_t Attr = Attrs->getParamAttrs(Idx);
+
+ if (!Idx) {
+ uint16_t RetI = Attr & ParamAttr::ParameterOnly;
+ Assert1(!RetI, "Attribute " + Attrs->getParamAttrsText(RetI) +
+ "does not apply to return values!", V);
+ } else {
+ uint16_t ParmI = Attr & ParamAttr::ReturnOnly;
+ Assert1(!ParmI, "Attribute " + Attrs->getParamAttrsText(ParmI) +
+ "only applies to return values!", V);
+ }
+
+ for (unsigned i = 0;
+ i < array_lengthof(ParamAttr::MutuallyIncompatible); ++i) {
+ uint16_t MutI = Attr & ParamAttr::MutuallyIncompatible[i];
+ Assert1(!(MutI & (MutI - 1)), "Attributes " +
+ Attrs->getParamAttrsText(MutI) + "are incompatible!", V);
+ }
+
+ uint16_t IType = Attr & ParamAttr::IntegerTypeOnly;
+ Assert1(!IType || FT->getParamType(Idx-1)->isInteger(),
+ "Attribute " + Attrs->getParamAttrsText(IType) +
+ "should only apply to Integer type!", V);
+
+ uint16_t PType = Attr & ParamAttr::PointerTypeOnly;
+ Assert1(!PType || isa<PointerType>(FT->getParamType(Idx-1)),
+ "Attribute " + Attrs->getParamAttrsText(PType) +
+ "should only apply to Pointer type!", V);
+
+ if (Attr & ParamAttr::ByVal) {
+ const PointerType *Ty =
+ dyn_cast<PointerType>(FT->getParamType(Idx-1));
+ Assert1(!Ty || isa<StructType>(Ty->getElementType()),
+ "Attribute byval should only apply to pointer to structs!", V);
+ }
+
+ if (Attr & ParamAttr::Nest) {
+ Assert1(!SawNest, "More than one parameter has attribute nest!", V);
+ SawNest = true;
+ }
+
+ if (Attr & ParamAttr::StructRet) {
+ Assert1(Idx == 1, "Attribute sret not on first parameter!", V);
+ }
+ }
+}
+
// visitFunction - Verify that a function is ok.
//
void Verifier::visitFunction(Function &F) {
F.getReturnType() == Type::VoidTy,
"Functions cannot return aggregate values!", &F);
- Assert1(!FT->isStructReturn() || FT->getReturnType() == Type::VoidTy,
+ Assert1(!F.isStructReturn() || FT->getReturnType() == Type::VoidTy,
"Invalid struct-return function!", &F);
- const uint16_t ReturnIncompatible =
- ParamAttr::ByVal | ParamAttr::InReg |
- ParamAttr::Nest | ParamAttr::StructRet;
-
- const uint16_t ParameterIncompatible =
- ParamAttr::NoReturn | ParamAttr::NoUnwind;
-
- const uint16_t MutuallyIncompatible =
- ParamAttr::ByVal | ParamAttr::InReg |
- ParamAttr::Nest | ParamAttr::StructRet;
-
- const uint16_t MutuallyIncompatible2 =
- ParamAttr::ZExt | ParamAttr::SExt;
-
- const uint16_t IntegerTypeOnly =
- ParamAttr::SExt | ParamAttr::ZExt;
-
- const uint16_t PointerTypeOnly =
- ParamAttr::ByVal | ParamAttr::Nest |
- ParamAttr::NoAlias | ParamAttr::StructRet;
-
- bool SawSRet = false;
-
- if (const ParamAttrsList *Attrs = FT->getParamAttrs()) {
- unsigned Idx = 1;
- bool SawNest = false;
-
- uint16_t RetI = Attrs->getParamAttrs(0) & ReturnIncompatible;
- Assert1(!RetI, "Attribute " + Attrs->getParamAttrsText(RetI) +
- "should not apply to functions!", &F);
- uint16_t MutI = Attrs->getParamAttrs(0) & MutuallyIncompatible2;
- Assert1(MutI != MutuallyIncompatible2, "Attributes" +
- Attrs->getParamAttrsText(MutI) + "are incompatible!", &F);
-
- for (FunctionType::param_iterator I = FT->param_begin(),
- E = FT->param_end(); I != E; ++I, ++Idx) {
-
- uint16_t Attr = Attrs->getParamAttrs(Idx);
-
- uint16_t ParmI = Attr & ParameterIncompatible;
- Assert1(!ParmI, "Attribute " + Attrs->getParamAttrsText(ParmI) +
- "should only be applied to function!", &F);
-
- uint16_t MutI = Attr & MutuallyIncompatible;
- Assert1(!(MutI & (MutI - 1)), "Attributes " +
- Attrs->getParamAttrsText(MutI) + "are incompatible!", &F);
-
- uint16_t MutI2 = Attr & MutuallyIncompatible2;
- Assert1(MutI2 != MutuallyIncompatible2, "Attributes" +
- Attrs->getParamAttrsText(MutI2) + "are incompatible!", &F);
-
- uint16_t IType = Attr & IntegerTypeOnly;
- Assert1(!IType || FT->getParamType(Idx-1)->isInteger(),
- "Attribute " + Attrs->getParamAttrsText(IType) +
- "should only apply to Integer type!", &F);
-
- uint16_t PType = Attr & PointerTypeOnly;
- Assert1(!PType || isa<PointerType>(FT->getParamType(Idx-1)),
- "Attribute " + Attrs->getParamAttrsText(PType) +
- "should only apply to Pointer type!", &F);
-
- if (Attrs->paramHasAttr(Idx, ParamAttr::ByVal)) {
- const PointerType *Ty =
- dyn_cast<PointerType>(FT->getParamType(Idx-1));
- Assert1(!Ty || isa<StructType>(Ty->getElementType()),
- "Attribute byval should only apply to pointer to structs!", &F);
- }
-
- if (Attrs->paramHasAttr(Idx, ParamAttr::Nest)) {
- Assert1(!SawNest, "More than one parameter has attribute nest!", &F);
- SawNest = true;
- }
-
- if (Attrs->paramHasAttr(Idx, ParamAttr::StructRet)) {
- SawSRet = true;
- Assert1(Idx == 1, "Attribute sret not on first parameter!", &F);
- }
- }
- }
-
- Assert1(SawSRet == FT->isStructReturn(),
- "StructReturn function with no sret attribute!", &F);
+ // Check function attributes.
+ VerifyParamAttrs(FT, F.getParamAttrs(), &F);
// Check that this function meets the restrictions on this calling convention.
switch (F.getCallingConv()) {
const Type *SrcTy = I.getOperand(0)->getType();
const Type *DestTy = I.getType();
- Assert1(SrcTy->isInteger(),"UInt2FP source must be integral", &I);
- Assert1(DestTy->isFloatingPoint(),"UInt2FP result must be FP", &I);
+ bool SrcVec = SrcTy->getTypeID() == Type::VectorTyID;
+ bool DstVec = DestTy->getTypeID() == Type::VectorTyID;
+
+ Assert1(SrcVec == DstVec,"UIToFP source and dest must both be vector or scalar", &I);
+ Assert1(SrcTy->isIntOrIntVector(),"UIToFP source must be integer or integer vector", &I);
+ Assert1(DestTy->isFPOrFPVector(),"UIToFP result must be FP or FP vector", &I);
+
+ if (SrcVec && DstVec)
+ Assert1(cast<VectorType>(SrcTy)->getNumElements() == cast<VectorType>(DestTy)->getNumElements(),
+ "UIToFP source and dest vector length mismatch", &I);
visitInstruction(I);
}
const Type *SrcTy = I.getOperand(0)->getType();
const Type *DestTy = I.getType();
- Assert1(SrcTy->isInteger(),"SInt2FP source must be integral", &I);
- Assert1(DestTy->isFloatingPoint(),"SInt2FP result must be FP", &I);
+ bool SrcVec = SrcTy->getTypeID() == Type::VectorTyID;
+ bool DstVec = DestTy->getTypeID() == Type::VectorTyID;
+
+ Assert1(SrcVec == DstVec,"SIToFP source and dest must both be vector or scalar", &I);
+ Assert1(SrcTy->isIntOrIntVector(),"SIToFP source must be integer or integer vector", &I);
+ Assert1(DestTy->isFPOrFPVector(),"SIToFP result must be FP or FP vector", &I);
+
+ if (SrcVec && DstVec)
+ Assert1(cast<VectorType>(SrcTy)->getNumElements() == cast<VectorType>(DestTy)->getNumElements(),
+ "SIToFP source and dest vector length mismatch", &I);
visitInstruction(I);
}
const Type *SrcTy = I.getOperand(0)->getType();
const Type *DestTy = I.getType();
- Assert1(SrcTy->isFloatingPoint(),"FP2UInt source must be FP", &I);
- Assert1(DestTy->isInteger(),"FP2UInt result must be integral", &I);
+ bool SrcVec = SrcTy->getTypeID() == Type::VectorTyID;
+ bool DstVec = DestTy->getTypeID() == Type::VectorTyID;
+
+ Assert1(SrcVec == DstVec,"FPToUI source and dest must both be vector or scalar", &I);
+ Assert1(SrcTy->isFPOrFPVector(),"FPToUI source must be FP or FP vector", &I);
+ Assert1(DestTy->isIntOrIntVector(),"FPToUI result must be integer or integer vector", &I);
+
+ if (SrcVec && DstVec)
+ Assert1(cast<VectorType>(SrcTy)->getNumElements() == cast<VectorType>(DestTy)->getNumElements(),
+ "FPToUI source and dest vector length mismatch", &I);
visitInstruction(I);
}
const Type *SrcTy = I.getOperand(0)->getType();
const Type *DestTy = I.getType();
- Assert1(SrcTy->isFloatingPoint(),"FPToSI source must be FP", &I);
- Assert1(DestTy->isInteger(),"FP2ToI result must be integral", &I);
+ bool SrcVec = SrcTy->getTypeID() == Type::VectorTyID;
+ bool DstVec = DestTy->getTypeID() == Type::VectorTyID;
+
+ Assert1(SrcVec == DstVec,"FPToSI source and dest must both be vector or scalar", &I);
+ Assert1(SrcTy->isFPOrFPVector(),"FPToSI source must be FP or FP vector", &I);
+ Assert1(DestTy->isIntOrIntVector(),"FPToSI result must be integer or integer vector", &I);
+
+ if (SrcVec && DstVec)
+ Assert1(cast<VectorType>(SrcTy)->getNumElements() == cast<VectorType>(DestTy)->getNumElements(),
+ "FPToSI source and dest vector length mismatch", &I);
visitInstruction(I);
}
visitInstruction(PN);
}
-void Verifier::visitCallInst(CallInst &CI) {
- Assert1(isa<PointerType>(CI.getOperand(0)->getType()),
- "Called function must be a pointer!", &CI);
- const PointerType *FPTy = cast<PointerType>(CI.getOperand(0)->getType());
+void Verifier::VerifyCallSite(CallSite CS) {
+ Instruction *I = CS.getInstruction();
+
+ Assert1(isa<PointerType>(CS.getCalledValue()->getType()),
+ "Called function must be a pointer!", I);
+ const PointerType *FPTy = cast<PointerType>(CS.getCalledValue()->getType());
Assert1(isa<FunctionType>(FPTy->getElementType()),
- "Called function is not pointer to function type!", &CI);
+ "Called function is not pointer to function type!", I);
const FunctionType *FTy = cast<FunctionType>(FPTy->getElementType());
// Verify that the correct number of arguments are being passed
if (FTy->isVarArg())
- Assert1(CI.getNumOperands()-1 >= FTy->getNumParams(),
- "Called function requires more parameters than were provided!",&CI);
+ Assert1(CS.arg_size() >= FTy->getNumParams(),
+ "Called function requires more parameters than were provided!",I);
else
- Assert1(CI.getNumOperands()-1 == FTy->getNumParams(),
- "Incorrect number of arguments passed to called function!", &CI);
+ Assert1(CS.arg_size() == FTy->getNumParams(),
+ "Incorrect number of arguments passed to called function!", I);
// Verify that all arguments to the call match the function type...
for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i)
- Assert3(CI.getOperand(i+1)->getType() == FTy->getParamType(i),
+ Assert3(CS.getArgument(i)->getType() == FTy->getParamType(i),
"Call parameter type does not match function signature!",
- CI.getOperand(i+1), FTy->getParamType(i), &CI);
+ CS.getArgument(i), FTy->getParamType(i), I);
+
+ // Verify call attributes.
+ VerifyParamAttrs(FTy, CS.getParamAttrs(), I);
+
+ visitInstruction(*I);
+}
+
+void Verifier::visitCallInst(CallInst &CI) {
+ VerifyCallSite(&CI);
if (Function *F = CI.getCalledFunction()) {
if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID())
visitIntrinsicFunctionCall(ID, CI);
}
-
- visitInstruction(CI);
+}
+
+void Verifier::visitInvokeInst(InvokeInst &II) {
+ VerifyCallSite(&II);
}
/// visitBinaryOperator - Check that both arguments to the binary operator are
visitInstruction(SI);
}
+void Verifier::visitAllocationInst(AllocationInst &AI) {
+ const PointerType *Ptr = AI.getType();
+ Assert(Ptr->getAddressSpace() == 0,
+ "Allocation instruction pointer not in the generic address space!");
+ visitInstruction(AI);
+}
+
/// verifyInstruction - Verify that an instruction is well formed.
///
"Instruction does not dominate all uses!", Op, &I);
}
} else if (isa<InlineAsm>(I.getOperand(i))) {
- Assert1(i == 0 && isa<CallInst>(I),
+ Assert1(i == 0 && (isa<CallInst>(I) || isa<InvokeInst>(I)),
"Cannot take the address of an inline asm!", &I);
}
}
break;
case Intrinsic::gcwrite:
Assert1(CI.getOperand(3)->getType()
- == PointerType::get(CI.getOperand(1)->getType()),
+ == PointerType::getUnqual(CI.getOperand(1)->getType()),
"Call to llvm.gcwrite must be with type 'void (%ty*, %ty2*, %ty**)'.",
&CI);
break;
case Intrinsic::gcread:
- Assert1(CI.getOperand(2)->getType() == PointerType::get(CI.getType()),
+ Assert1(CI.getOperand(2)->getType() == PointerType::getUnqual(CI.getType()),
"Call to llvm.gcread must be with type '%ty* (%ty2*, %ty**).'",
&CI);
break;
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