diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 3f69f7a..3194658 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -11128,7 +11128,7 @@ static void tryToElideArgumentCopy( } // Perform the elision. Delete the old stack object and replace its only use - // in the variable info map. Mark the stack object as mutable. + // in the variable info map. Mark the stack object as mutable and aliased. LLVM_DEBUG({ dbgs() << "Eliding argument copy from " << Arg << " to " << *AI << '\n' << " Replacing frame index " << OldIndex << " with " << FixedIndex @@ -11136,6 +11136,7 @@ static void tryToElideArgumentCopy( }); MFI.RemoveStackObject(OldIndex); MFI.setIsImmutableObjectIndex(FixedIndex, false); + MFI.setIsAliasedObjectIndex(FixedIndex, true); AllocaIndex = FixedIndex; ArgCopyElisionFrameIndexMap.insert({OldIndex, FixedIndex}); for (SDValue ArgVal : ArgVals) |