Make it clear in the LangRef that allocation instructions only operated on the generic address space. Implement support in the verifier for ensuring this is true.

llvm-svn: 45080

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/VMCore/Verifier.cpp b/llvm/lib/VMCore/Verifier.cpp
index c3633ff97a1..fb8db1785da 100644
--- a/llvm/lib/VMCore/Verifier.cpp
+++ b/llvm/lib/VMCore/Verifier.cpp
@@ -254,6 +254,7 @@ namespace {  // Anonymous namespace for class
     void visitUserOp1(Instruction &I);
     void visitUserOp2(Instruction &I) { visitUserOp1(I); }
     void visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI);
+    void visitAllocationInst(AllocationInst &AI);
 
     void VerifyIntrinsicPrototype(Intrinsic::ID ID, Function *F,
                                   unsigned Count, ...);
@@ -987,6 +988,13 @@ void Verifier::visitStoreInst(StoreInst &SI) {
   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.
 ///