diff options
Diffstat (limited to 'lib/VMCore/Verifier.cpp')
| -rw-r--r-- | lib/VMCore/Verifier.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp index e569011b8f..fc458c8f2f 100644 --- a/lib/VMCore/Verifier.cpp +++ b/lib/VMCore/Verifier.cpp @@ -1283,6 +1283,45 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) { "alignment argument of memory intrinsics must be a constant int", &CI); break; + case Intrinsic::gcroot: + case Intrinsic::gcwrite: + case Intrinsic::gcread: { + Type *PtrTy = PointerType::getUnqual(Type::Int8Ty), + *PtrPtrTy = PointerType::getUnqual(PtrTy); + + switch (ID) { + default: + break; + case Intrinsic::gcroot: + Assert1(CI.getOperand(1)->getType() == PtrPtrTy, + "Intrinsic parameter #1 is not i8**.", &CI); + Assert1(CI.getOperand(2)->getType() == PtrTy, + "Intrinsic parameter #2 is not i8*.", &CI); + Assert1(isa<AllocaInst>(CI.getOperand(1)->stripPointerCasts()), + "llvm.gcroot parameter #1 must be an alloca.", &CI); + Assert1(isa<Constant>(CI.getOperand(2)), + "llvm.gcroot parameter #2 must be a constant.", &CI); + break; + case Intrinsic::gcwrite: + Assert1(CI.getOperand(1)->getType() == PtrTy, + "Intrinsic parameter #1 is not a i8*.", &CI); + Assert1(CI.getOperand(2)->getType() == PtrTy, + "Intrinsic parameter #2 is not a i8*.", &CI); + Assert1(CI.getOperand(3)->getType() == PtrPtrTy, + "Intrinsic parameter #3 is not a i8**.", &CI); + break; + case Intrinsic::gcread: + Assert1(CI.getOperand(1)->getType() == PtrTy, + "Intrinsic parameter #1 is not a i8*.", &CI); + Assert1(CI.getOperand(2)->getType() == PtrPtrTy, + "Intrinsic parameter #2 is not a i8**.", &CI); + break; + } + + Assert1(CI.getParent()->getParent()->hasGC(), + "Enclosing function does not use GC.", + &CI); + } break; case Intrinsic::init_trampoline: Assert1(isa<Function>(CI.getOperand(2)->stripPointerCasts()), "llvm.init_trampoline parameter #2 must resolve to a function.", |