diff options
| author | Eric Christopher <echristo@apple.com> | 2010-07-17 00:28:22 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-07-17 00:28:22 +0000 |
| commit | 2b8271e0298f4218d6dddc80b49b51b38a646353 (patch) | |
| tree | db44867300795b3f121562a0c58cfd8e7b272b6d | |
| parent | d4c36cec1db81b4ee48cd4ab462262615d78f22c (diff) | |
Propagate alloca alignment information via variable size object frame
information.
No functional change yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108583 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/CodeGen/MachineFrameInfo.h | 5 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/include/llvm/CodeGen/MachineFrameInfo.h b/include/llvm/CodeGen/MachineFrameInfo.h index 9471316d25..86fb23787b 100644 --- a/include/llvm/CodeGen/MachineFrameInfo.h +++ b/include/llvm/CodeGen/MachineFrameInfo.h @@ -417,9 +417,10 @@ public: /// variable sized object is created, whether or not the index returned is /// actually used. /// - int CreateVariableSizedObject() { + int CreateVariableSizedObject(unsigned Alignment) { HasVarSizedObjects = true; - Objects.push_back(StackObject(0, 1, 0, false, false)); + Objects.push_back(StackObject(0, Alignment, 0, false, false)); + MaxAlignment = std::max(MaxAlignment, Alignment); return (int)Objects.size()-NumFixedObjects-1; } diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 4a0004a86c..723e0f0a91 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -2848,7 +2848,7 @@ void SelectionDAGBuilder::visitAlloca(const AllocaInst &I) { // Inform the Frame Information that we have just allocated a variable-sized // object. - FuncInfo.MF->getFrameInfo()->CreateVariableSizedObject(); + FuncInfo.MF->getFrameInfo()->CreateVariableSizedObject(Align ? Align : 1); } void SelectionDAGBuilder::visitLoad(const LoadInst &I) { |