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-rw-r--r--llvm/lib/IR/Verifier.cpp14
1 files changed, 12 insertions, 2 deletions
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
index f4bc289cf26..5dae4e08ced 100644
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -3440,8 +3440,18 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
"'gc parameters' section of the statepoint call",
&CI);
- // gc_relocate does not need to be the same type as the relocated pointer.
- // It can casted to the correct type later if it's desired
+ // 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);
+ Assert(Operands.getDerivedPtr()->getType()->isPointerTy(),
+ "gc.relocate: relocated value must be a gc pointer", &CI);
+
+ // gc_relocate return type must be a pointer type, and is verified earlier in
+ // VerifyIntrinsicType().
+ Assert(cast<PointerType>(CI.getType())->getAddressSpace() ==
+ cast<PointerType>(Operands.getDerivedPtr()->getType())->getAddressSpace(),
+ "gc.relocate: relocating a pointer shouldn't change its address space", &CI);
break;
}
};
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