diff options
| -rw-r--r-- | include/clang/Basic/LangOptions.h | 5 | ||||
| -rw-r--r-- | include/clang/Driver/CC1Options.td | 2 | ||||
| -rw-r--r-- | lib/Basic/TargetInfo.cpp | 5 | ||||
| -rw-r--r-- | lib/Frontend/CompilerInvocation.cpp | 9 |
4 files changed, 19 insertions, 2 deletions
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h index 1dfc7a1dfa..8a7d9d6ac6 100644 --- a/include/clang/Basic/LangOptions.h +++ b/include/clang/Basic/LangOptions.h @@ -100,6 +100,10 @@ public: unsigned CatchUndefined : 1; // Generate code to check for undefined ops. unsigned DumpRecordLayouts : 1; /// Dump the layout of IRgen'd records. unsigned DumpVtableLayouts : 1; /// Dump the layouts of emitted vtables. + + // FIXME: This is just a temporary option, for testing purposes. + unsigned NoBitFieldTypeAlign : 1; + private: unsigned GC : 2; // Objective-C Garbage Collection modes. We // declare this enum as unsigned because MSVC @@ -171,6 +175,7 @@ public: CatchUndefined = 0; DumpRecordLayouts = 0; DumpVtableLayouts = 0; + NoBitFieldTypeAlign = 0; } GCMode getGCMode() const { return (GCMode) GC; } diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td index 5f48bc60d6..27b13929ef 100644 --- a/include/clang/Driver/CC1Options.td +++ b/include/clang/Driver/CC1Options.td @@ -415,6 +415,8 @@ def trigraphs : Flag<"-trigraphs">, HelpText<"Process trigraph sequences">; def fwritable_strings : Flag<"-fwritable-strings">, HelpText<"Store string literals as writable data">; +def fno_bitfield_type_align : Flag<"-fno-bitfield-type-align">, + HelpText<"Ignore bit-field types when aligning structures">; //===----------------------------------------------------------------------===// // Header Search Options diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp index e03d5ac828..b259facbb7 100644 --- a/lib/Basic/TargetInfo.cpp +++ b/lib/Basic/TargetInfo.cpp @@ -142,9 +142,10 @@ bool TargetInfo::isTypeSigned(IntType T) const { /// Apply changes to the target information with respect to certain /// language options which change the target configuration. void TargetInfo::setForcedLangOptions(LangOptions &Opts) { - if (Opts.ShortWChar) { + if (Opts.NoBitFieldTypeAlign) + UseBitFieldTypeAlignment = false; + if (Opts.ShortWChar) WCharType = UnsignedShort; - } } //===----------------------------------------------------------------------===// diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp index f51bad285d..4dfd9c2669 100644 --- a/lib/Frontend/CompilerInvocation.cpp +++ b/lib/Frontend/CompilerInvocation.cpp @@ -526,6 +526,14 @@ static void LangOptsToArgs(const LangOptions &Opts, // OptimizeSize is implicit. if (Opts.Static) Res.push_back("-static-define"); + if (Opts.DumpRecordLayouts) + Res.push_back("-fdump-record-layouts"); + if (Opts.DumpVtableLayouts) + Res.push_back("-fdump-vtable-layouts"); + if (Opts.NoBitFieldTypeAlign) + Res.push_back("-fno-bitfield-type-alignment"); + if (Opts.SjLjExceptions) + Res.push_back("-fsjlj-exceptions"); if (Opts.PICLevel) { Res.push_back("-pic-level"); Res.push_back(llvm::utostr(Opts.PICLevel)); @@ -1219,6 +1227,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, Opts.Static = Args.hasArg(OPT_static_define); Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); Opts.DumpVtableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); + Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); Opts.OptimizeSize = 0; // FIXME: Eliminate this dependency. |