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-rw-r--r--contrib/llvm/lib/IR/Verifier.cpp184
1 files changed, 92 insertions, 92 deletions
diff --git a/contrib/llvm/lib/IR/Verifier.cpp b/contrib/llvm/lib/IR/Verifier.cpp
index 19b11b4..3c61165 100644
--- a/contrib/llvm/lib/IR/Verifier.cpp
+++ b/contrib/llvm/lib/IR/Verifier.cpp
@@ -102,6 +102,9 @@ private:
OS << '\n';
}
}
+ void Write(ImmutableCallSite CS) {
+ Write(CS.getInstruction());
+ }
void Write(const Metadata *MD) {
if (!MD)
@@ -367,7 +370,7 @@ private:
void visitSelectInst(SelectInst &SI);
void visitUserOp1(Instruction &I);
void visitUserOp2(Instruction &I) { visitUserOp1(I); }
- void visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI);
+ void visitIntrinsicCallSite(Intrinsic::ID ID, CallSite CS);
template <class DbgIntrinsicTy>
void visitDbgIntrinsic(StringRef Kind, DbgIntrinsicTy &DII);
void visitAtomicCmpXchgInst(AtomicCmpXchgInst &CXI);
@@ -1014,6 +1017,11 @@ void Verifier::visitDINamespace(const DINamespace &N) {
Assert(isa<DIScope>(S), "invalid scope ref", &N, S);
}
+void Verifier::visitDIModule(const DIModule &N) {
+ Assert(N.getTag() == dwarf::DW_TAG_module, "invalid tag", &N);
+ Assert(!N.getName().empty(), "anonymous module", &N);
+}
+
void Verifier::visitDITemplateParameter(const DITemplateParameter &N) {
Assert(isTypeRef(N, N.getType()), "invalid type ref", &N, N.getType());
}
@@ -2289,6 +2297,10 @@ void Verifier::VerifyCallSite(CallSite CS) {
"Function has metadata parameter but isn't an intrinsic", I);
}
+ if (Function *F = CS.getCalledFunction())
+ if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID())
+ visitIntrinsicCallSite(ID, CS);
+
visitInstruction(*I);
}
@@ -2384,10 +2396,6 @@ void Verifier::visitCallInst(CallInst &CI) {
if (CI.isMustTailCall())
verifyMustTailCall(CI);
-
- if (Function *F = CI.getCalledFunction())
- if (Intrinsic::ID ID = F->getIntrinsicID())
- visitIntrinsicFunctionCall(ID, CI);
}
void Verifier::visitInvokeInst(InvokeInst &II) {
@@ -2398,13 +2406,6 @@ void Verifier::visitInvokeInst(InvokeInst &II) {
Assert(II.getUnwindDest()->isLandingPad(),
"The unwind destination does not have a landingpad instruction!", &II);
- if (Function *F = II.getCalledFunction())
- // TODO: Ideally we should use visitIntrinsicFunction here. But it uses
- // CallInst as an input parameter. It not woth updating this whole
- // function only to support statepoint verification.
- if (F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint)
- VerifyStatepoint(ImmutableCallSite(&II));
-
visitTerminatorInst(II);
}
@@ -3144,10 +3145,9 @@ Verifier::VerifyIntrinsicIsVarArg(bool isVarArg,
return true;
}
-/// visitIntrinsicFunction - Allow intrinsics to be verified in different ways.
-///
-void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
- Function *IF = CI.getCalledFunction();
+/// Allow intrinsics to be verified in different ways.
+void Verifier::visitIntrinsicCallSite(Intrinsic::ID ID, CallSite CS) {
+ Function *IF = CS.getCalledFunction();
Assert(IF->isDeclaration(), "Intrinsic functions should never be defined!",
IF);
@@ -3191,41 +3191,41 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
// If the intrinsic takes MDNode arguments, verify that they are either global
// or are local to *this* function.
- for (unsigned i = 0, e = CI.getNumArgOperands(); i != e; ++i)
- if (auto *MD = dyn_cast<MetadataAsValue>(CI.getArgOperand(i)))
- visitMetadataAsValue(*MD, CI.getParent()->getParent());
+ for (Value *V : CS.args())
+ if (auto *MD = dyn_cast<MetadataAsValue>(V))
+ visitMetadataAsValue(*MD, CS.getCaller());
switch (ID) {
default:
break;
case Intrinsic::ctlz: // llvm.ctlz
case Intrinsic::cttz: // llvm.cttz
- Assert(isa<ConstantInt>(CI.getArgOperand(1)),
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)),
"is_zero_undef argument of bit counting intrinsics must be a "
"constant int",
- &CI);
+ CS);
break;
case Intrinsic::dbg_declare: // llvm.dbg.declare
- Assert(isa<MetadataAsValue>(CI.getArgOperand(0)),
- "invalid llvm.dbg.declare intrinsic call 1", &CI);
- visitDbgIntrinsic("declare", cast<DbgDeclareInst>(CI));
+ Assert(isa<MetadataAsValue>(CS.getArgOperand(0)),
+ "invalid llvm.dbg.declare intrinsic call 1", CS);
+ visitDbgIntrinsic("declare", cast<DbgDeclareInst>(*CS.getInstruction()));
break;
case Intrinsic::dbg_value: // llvm.dbg.value
- visitDbgIntrinsic("value", cast<DbgValueInst>(CI));
+ visitDbgIntrinsic("value", cast<DbgValueInst>(*CS.getInstruction()));
break;
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset: {
- ConstantInt *AlignCI = dyn_cast<ConstantInt>(CI.getArgOperand(3));
+ ConstantInt *AlignCI = dyn_cast<ConstantInt>(CS.getArgOperand(3));
Assert(AlignCI,
"alignment argument of memory intrinsics must be a constant int",
- &CI);
+ CS);
const APInt &AlignVal = AlignCI->getValue();
Assert(AlignCI->isZero() || AlignVal.isPowerOf2(),
- "alignment argument of memory intrinsics must be a power of 2", &CI);
- Assert(isa<ConstantInt>(CI.getArgOperand(4)),
+ "alignment argument of memory intrinsics must be a power of 2", CS);
+ Assert(isa<ConstantInt>(CS.getArgOperand(4)),
"isvolatile argument of memory intrinsics must be a constant int",
- &CI);
+ CS);
break;
}
case Intrinsic::gcroot:
@@ -3233,76 +3233,76 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
case Intrinsic::gcread:
if (ID == Intrinsic::gcroot) {
AllocaInst *AI =
- dyn_cast<AllocaInst>(CI.getArgOperand(0)->stripPointerCasts());
- Assert(AI, "llvm.gcroot parameter #1 must be an alloca.", &CI);
- Assert(isa<Constant>(CI.getArgOperand(1)),
- "llvm.gcroot parameter #2 must be a constant.", &CI);
+ dyn_cast<AllocaInst>(CS.getArgOperand(0)->stripPointerCasts());
+ Assert(AI, "llvm.gcroot parameter #1 must be an alloca.", CS);
+ Assert(isa<Constant>(CS.getArgOperand(1)),
+ "llvm.gcroot parameter #2 must be a constant.", CS);
if (!AI->getAllocatedType()->isPointerTy()) {
- Assert(!isa<ConstantPointerNull>(CI.getArgOperand(1)),
+ Assert(!isa<ConstantPointerNull>(CS.getArgOperand(1)),
"llvm.gcroot parameter #1 must either be a pointer alloca, "
"or argument #2 must be a non-null constant.",
- &CI);
+ CS);
}
}
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
break;
case Intrinsic::init_trampoline:
- Assert(isa<Function>(CI.getArgOperand(1)->stripPointerCasts()),
+ Assert(isa<Function>(CS.getArgOperand(1)->stripPointerCasts()),
"llvm.init_trampoline parameter #2 must resolve to a function.",
- &CI);
+ CS);
break;
case Intrinsic::prefetch:
- Assert(isa<ConstantInt>(CI.getArgOperand(1)) &&
- isa<ConstantInt>(CI.getArgOperand(2)) &&
- cast<ConstantInt>(CI.getArgOperand(1))->getZExtValue() < 2 &&
- cast<ConstantInt>(CI.getArgOperand(2))->getZExtValue() < 4,
- "invalid arguments to llvm.prefetch", &CI);
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)) &&
+ isa<ConstantInt>(CS.getArgOperand(2)) &&
+ cast<ConstantInt>(CS.getArgOperand(1))->getZExtValue() < 2 &&
+ cast<ConstantInt>(CS.getArgOperand(2))->getZExtValue() < 4,
+ "invalid arguments to llvm.prefetch", CS);
break;
case Intrinsic::stackprotector:
- Assert(isa<AllocaInst>(CI.getArgOperand(1)->stripPointerCasts()),
- "llvm.stackprotector parameter #2 must resolve to an alloca.", &CI);
+ Assert(isa<AllocaInst>(CS.getArgOperand(1)->stripPointerCasts()),
+ "llvm.stackprotector parameter #2 must resolve to an alloca.", CS);
break;
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start:
- Assert(isa<ConstantInt>(CI.getArgOperand(0)),
+ Assert(isa<ConstantInt>(CS.getArgOperand(0)),
"size argument of memory use markers must be a constant integer",
- &CI);
+ CS);
break;
case Intrinsic::invariant_end:
- Assert(isa<ConstantInt>(CI.getArgOperand(1)),
- "llvm.invariant.end parameter #2 must be a constant integer", &CI);
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)),
+ "llvm.invariant.end parameter #2 must be a constant integer", CS);
break;
case Intrinsic::frameescape: {
- BasicBlock *BB = CI.getParent();
+ BasicBlock *BB = CS.getParent();
Assert(BB == &BB->getParent()->front(),
- "llvm.frameescape used outside of entry block", &CI);
+ "llvm.frameescape used outside of entry block", CS);
Assert(!SawFrameEscape,
- "multiple calls to llvm.frameescape in one function", &CI);
- for (Value *Arg : CI.arg_operands()) {
+ "multiple calls to llvm.frameescape in one function", CS);
+ for (Value *Arg : CS.args()) {
if (isa<ConstantPointerNull>(Arg))
continue; // Null values are allowed as placeholders.
auto *AI = dyn_cast<AllocaInst>(Arg->stripPointerCasts());
Assert(AI && AI->isStaticAlloca(),
- "llvm.frameescape only accepts static allocas", &CI);
+ "llvm.frameescape only accepts static allocas", CS);
}
- FrameEscapeInfo[BB->getParent()].first = CI.getNumArgOperands();
+ FrameEscapeInfo[BB->getParent()].first = CS.getNumArgOperands();
SawFrameEscape = true;
break;
}
case Intrinsic::framerecover: {
- Value *FnArg = CI.getArgOperand(0)->stripPointerCasts();
+ Value *FnArg = CS.getArgOperand(0)->stripPointerCasts();
Function *Fn = dyn_cast<Function>(FnArg);
Assert(Fn && !Fn->isDeclaration(),
"llvm.framerecover first "
"argument must be function defined in this module",
- &CI);
- auto *IdxArg = dyn_cast<ConstantInt>(CI.getArgOperand(2));
+ CS);
+ auto *IdxArg = dyn_cast<ConstantInt>(CS.getArgOperand(2));
Assert(IdxArg, "idx argument of llvm.framerecover must be a constant int",
- &CI);
+ CS);
auto &Entry = FrameEscapeInfo[Fn];
Entry.second = unsigned(
std::max(uint64_t(Entry.second), IdxArg->getLimitedValue(~0U) + 1));
@@ -3310,49 +3310,49 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
}
case Intrinsic::experimental_gc_statepoint:
- Assert(!CI.isInlineAsm(),
- "gc.statepoint support for inline assembly unimplemented", &CI);
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(!CS.isInlineAsm(),
+ "gc.statepoint support for inline assembly unimplemented", CS);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
- VerifyStatepoint(ImmutableCallSite(&CI));
+ VerifyStatepoint(CS);
break;
case Intrinsic::experimental_gc_result_int:
case Intrinsic::experimental_gc_result_float:
case Intrinsic::experimental_gc_result_ptr:
case Intrinsic::experimental_gc_result: {
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
// Are we tied to a statepoint properly?
- CallSite StatepointCS(CI.getArgOperand(0));
+ CallSite StatepointCS(CS.getArgOperand(0));
const Function *StatepointFn =
StatepointCS.getInstruction() ? StatepointCS.getCalledFunction() : nullptr;
Assert(StatepointFn && StatepointFn->isDeclaration() &&
StatepointFn->getIntrinsicID() ==
Intrinsic::experimental_gc_statepoint,
- "gc.result operand #1 must be from a statepoint", &CI,
- CI.getArgOperand(0));
+ "gc.result operand #1 must be from a statepoint", CS,
+ CS.getArgOperand(0));
// Assert that result type matches wrapped callee.
const Value *Target = StatepointCS.getArgument(2);
const PointerType *PT = cast<PointerType>(Target->getType());
const FunctionType *TargetFuncType =
cast<FunctionType>(PT->getElementType());
- Assert(CI.getType() == TargetFuncType->getReturnType(),
- "gc.result result type does not match wrapped callee", &CI);
+ Assert(CS.getType() == TargetFuncType->getReturnType(),
+ "gc.result result type does not match wrapped callee", CS);
break;
}
case Intrinsic::experimental_gc_relocate: {
- Assert(CI.getNumArgOperands() == 3, "wrong number of arguments", &CI);
+ Assert(CS.getNumArgOperands() == 3, "wrong number of arguments", CS);
// Check that this relocate is correctly tied to the statepoint
// This is case for relocate on the unwinding path of an invoke statepoint
if (ExtractValueInst *ExtractValue =
- dyn_cast<ExtractValueInst>(CI.getArgOperand(0))) {
+ dyn_cast<ExtractValueInst>(CS.getArgOperand(0))) {
Assert(isa<LandingPadInst>(ExtractValue->getAggregateOperand()),
"gc relocate on unwind path incorrectly linked to the statepoint",
- &CI);
+ CS);
const BasicBlock *InvokeBB =
ExtractValue->getParent()->getUniquePredecessor();
@@ -3370,32 +3370,32 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
// In all other cases relocate should be tied to the statepoint directly.
// This covers relocates on a normal return path of invoke statepoint and
// relocates of a call statepoint
- auto Token = CI.getArgOperand(0);
+ auto Token = CS.getArgOperand(0);
Assert(isa<Instruction>(Token) && isStatepoint(cast<Instruction>(Token)),
- "gc relocate is incorrectly tied to the statepoint", &CI, Token);
+ "gc relocate is incorrectly tied to the statepoint", CS, Token);
}
// Verify rest of the relocate arguments
- GCRelocateOperands Ops(&CI);
+ GCRelocateOperands Ops(CS);
ImmutableCallSite StatepointCS(Ops.getStatepoint());
// Both the base and derived must be piped through the safepoint
- Value* Base = CI.getArgOperand(1);
+ Value* Base = CS.getArgOperand(1);
Assert(isa<ConstantInt>(Base),
- "gc.relocate operand #2 must be integer offset", &CI);
+ "gc.relocate operand #2 must be integer offset", CS);
- Value* Derived = CI.getArgOperand(2);
+ Value* Derived = CS.getArgOperand(2);
Assert(isa<ConstantInt>(Derived),
- "gc.relocate operand #3 must be integer offset", &CI);
+ "gc.relocate operand #3 must be integer offset", CS);
const int BaseIndex = cast<ConstantInt>(Base)->getZExtValue();
const int DerivedIndex = cast<ConstantInt>(Derived)->getZExtValue();
// Check the bounds
Assert(0 <= BaseIndex && BaseIndex < (int)StatepointCS.arg_size(),
- "gc.relocate: statepoint base index out of bounds", &CI);
+ "gc.relocate: statepoint base index out of bounds", CS);
Assert(0 <= DerivedIndex && DerivedIndex < (int)StatepointCS.arg_size(),
- "gc.relocate: statepoint derived index out of bounds", &CI);
+ "gc.relocate: statepoint derived index out of bounds", CS);
// Check that BaseIndex and DerivedIndex fall within the 'gc parameters'
// section of the statepoint's argument
@@ -3424,24 +3424,24 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
Assert(GCParamArgsStart <= BaseIndex && BaseIndex < GCParamArgsEnd,
"gc.relocate: statepoint base index doesn't fall within the "
"'gc parameters' section of the statepoint call",
- &CI);
+ CS);
Assert(GCParamArgsStart <= DerivedIndex && DerivedIndex < GCParamArgsEnd,
"gc.relocate: statepoint derived index doesn't fall within the "
"'gc parameters' section of the statepoint call",
- &CI);
+ CS);
// Relocated value must be a pointer type, but gc_relocate does not need to return the
// same pointer type as the relocated pointer. It can be casted to the correct type later
// if it's desired. However, they must have the same address space.
- GCRelocateOperands Operands(&CI);
+ GCRelocateOperands Operands(CS);
Assert(Operands.getDerivedPtr()->getType()->isPointerTy(),
- "gc.relocate: relocated value must be a gc pointer", &CI);
+ "gc.relocate: relocated value must be a gc pointer", CS);
// gc_relocate return type must be a pointer type, and is verified earlier in
// VerifyIntrinsicType().
- Assert(cast<PointerType>(CI.getType())->getAddressSpace() ==
+ Assert(cast<PointerType>(CS.getType())->getAddressSpace() ==
cast<PointerType>(Operands.getDerivedPtr()->getType())->getAddressSpace(),
- "gc.relocate: relocating a pointer shouldn't change its address space", &CI);
+ "gc.relocate: relocating a pointer shouldn't change its address space", CS);
break;
}
};
@@ -3691,7 +3691,7 @@ struct VerifierLegacyPass : public FunctionPass {
AU.setPreservesAll();
}
};
-} // namespace
+}
char VerifierLegacyPass::ID = 0;
INITIALIZE_PASS(VerifierLegacyPass, "verify", "Module Verifier", false, false)
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