diff options
Diffstat (limited to 'llvm/lib/IR/DataLayout.cpp')
| -rw-r--r-- | llvm/lib/IR/DataLayout.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/IR/DataLayout.cpp b/llvm/lib/IR/DataLayout.cpp index c414e80..4eb6d78 100644 --- a/llvm/lib/IR/DataLayout.cpp +++ b/llvm/lib/IR/DataLayout.cpp @@ -268,12 +268,18 @@ void DataLayout::parseSpecifier(StringRef Desc) { "Missing alignment specification for pointer in datalayout string"); Split = split(Rest, ':'); unsigned PointerABIAlign = inBytes(getInt(Tok)); + if (!isPowerOf2_64(PointerABIAlign)) + report_fatal_error( + "Pointer ABI alignment must be a power of 2"); // Preferred alignment. unsigned PointerPrefAlign = PointerABIAlign; if (!Rest.empty()) { Split = split(Rest, ':'); PointerPrefAlign = inBytes(getInt(Tok)); + if (!isPowerOf2_64(PointerPrefAlign)) + report_fatal_error( + "Pointer preferred alignment must be a power of 2"); } setPointerAlignment(AddrSpace, PointerABIAlign, PointerPrefAlign, |