diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 3c709f2..6e02342 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -352,6 +352,23 @@ void CodeGenModule::Release() { getModule().addModuleFlag(llvm::Module::Warning, "Debug Info Version", llvm::DEBUG_METADATA_VERSION); + // We need to record the widths of enums and wchar_t, so that we can generate + // the correct build attributes in the ARM backend. + llvm::Triple::ArchType Arch = Context.getTargetInfo().getTriple().getArch(); + if ( Arch == llvm::Triple::arm + || Arch == llvm::Triple::armeb + || Arch == llvm::Triple::thumb + || Arch == llvm::Triple::thumbeb) { + // Width of wchar_t in bytes + uint64_t WCharWidth = + Context.getTypeSizeInChars(Context.getWideCharType()).getQuantity(); + getModule().addModuleFlag(llvm::Module::Error, "wchar_size", WCharWidth); + + // The minimum width of an enum in bytes + uint64_t EnumWidth = Context.getLangOpts().ShortEnums ? 1 : 4; + getModule().addModuleFlag(llvm::Module::Error, "min_enum_size", EnumWidth); + } + SimplifyPersonality(); if (getCodeGenOpts().EmitDeclMetadata) |