[llvm] e842765 - [ORC] Make a narrowing conversion explicit.

[Lang Hames via llvm-commits]

Author: Lang Hames
Date: 2020-11-13T20:11:19+11:00
New Revision: e8427656663d1ad48f706864373201b5093249fb

URL: https://github.com/llvm/llvm-project/commit/e8427656663d1ad48f706864373201b5093249fb
DIFF: https://github.com/llvm/llvm-project/commit/e8427656663d1ad48f706864373201b5093249fb.diff

LOG: [ORC] Make a narrowing conversion explicit.

Added: 
    

Modified: 
    llvm/include/llvm/ExecutionEngine/Orc/OrcRPCTargetProcessControl.h

Removed: 
    


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diff  --git a/llvm/include/llvm/ExecutionEngine/Orc/OrcRPCTargetProcessControl.h b/llvm/include/llvm/ExecutionEngine/Orc/OrcRPCTargetProcessControl.h
index f63dcd0f3471..b498661021ae 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/OrcRPCTargetProcessControl.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/OrcRPCTargetProcessControl.h
@@ -59,7 +59,7 @@ class OrcRPCTPCJITLinkMemoryManager : public jitlink::JITLinkMemoryManager {
       auto I = HostAllocs.find(Seg);
       assert(I != HostAllocs.end() && "No host allocation for segment");
       auto &HA = I->second;
-      return {HA.Mem.get(), HA.Size};
+      return {HA.Mem.get(), static_cast<size_t>(HA.Size)};
     }
 
     JITTargetAddress getTargetMemory(ProtectionFlags Seg) override {
@@ -153,6 +153,9 @@ class OrcRPCTPCJITLinkMemoryManager : public jitlink::JITLinkMemoryManager {
     HostAllocMap HostAllocs;
 
     for (auto &KV : Request) {
+      assert(KV.second.getContentSize() <= std::numeric_limits<size_t>::max() &&
+             "Content size is out-of-range for host");
+
       RMR.push_back({orcrpctpc::toWireProtectionFlags(
                          static_cast<sys::Memory::ProtectionFlags>(KV.first)),
                      KV.second.getContentSize() + KV.second.getZeroFillSize(),