diff options
Diffstat (limited to 'llvm/lib/IR/DataLayout.cpp')
| -rw-r--r-- | llvm/lib/IR/DataLayout.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/IR/DataLayout.cpp b/llvm/lib/IR/DataLayout.cpp index 80a59e05bc5..5468f47bbfe 100644 --- a/llvm/lib/IR/DataLayout.cpp +++ b/llvm/lib/IR/DataLayout.cpp @@ -41,6 +41,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &DL) { assert(!ST->isOpaque() && "Cannot get layout of opaque structs"); StructAlignment = 0; StructSize = 0; + IsPadded = false; NumElements = ST->getNumElements(); // Loop over each of the elements, placing them in memory. @@ -49,8 +50,10 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &DL) { unsigned TyAlign = ST->isPacked() ? 1 : DL.getABITypeAlignment(Ty); // Add padding if necessary to align the data element properly. - if ((StructSize & (TyAlign-1)) != 0) + if ((StructSize & (TyAlign-1)) != 0) { + IsPadded = true; StructSize = RoundUpToAlignment(StructSize, TyAlign); + } // Keep track of maximum alignment constraint. StructAlignment = std::max(TyAlign, StructAlignment); @@ -64,8 +67,10 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &DL) { // Add padding to the end of the struct so that it could be put in an array // and all array elements would be aligned correctly. - if ((StructSize & (StructAlignment-1)) != 0) + if ((StructSize & (StructAlignment-1)) != 0) { + IsPadded = true; StructSize = RoundUpToAlignment(StructSize, StructAlignment); + } } |
