Author: kosarev Date: Mon Nov 20 03:16:16 2017 New Revision: 318644 URL: http://llvm.org/viewvc/llvm-project?rev=318644&view=rev Log: [Driver] Add a cc1 flag for the new TBAA metadata format
This patch starts a series of changes to add support for the new TBAA metadata format proposed in this llvm-dev thread: http://lists.llvm.org/pipermail/llvm-dev/2017-November/118748.html Differential Revision: https://reviews.llvm.org/D39955 Modified: cfe/trunk/include/clang/Driver/CC1Options.td cfe/trunk/include/clang/Frontend/CodeGenOptions.def cfe/trunk/lib/Frontend/CompilerInvocation.cpp Modified: cfe/trunk/include/clang/Driver/CC1Options.td URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=318644&r1=318643&r2=318644&view=diff ============================================================================== --- cfe/trunk/include/clang/Driver/CC1Options.td (original) +++ cfe/trunk/include/clang/Driver/CC1Options.td Mon Nov 20 03:16:16 2017 @@ -244,6 +244,8 @@ def relaxed_aliasing : Flag<["-"], "rela HelpText<"Turn off Type Based Alias Analysis">; def no_struct_path_tbaa : Flag<["-"], "no-struct-path-tbaa">, HelpText<"Turn off struct-path aware Type Based Alias Analysis">; +def new_struct_path_tbaa : Flag<["-"], "new-struct-path-tbaa">, + HelpText<"Enable enhanced struct-path aware Type Based Alias Analysis">; def masm_verbose : Flag<["-"], "masm-verbose">, HelpText<"Generate verbose assembly output">; def mcode_model : Separate<["-"], "mcode-model">, Modified: cfe/trunk/include/clang/Frontend/CodeGenOptions.def URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/CodeGenOptions.def?rev=318644&r1=318643&r2=318644&view=diff ============================================================================== --- cfe/trunk/include/clang/Frontend/CodeGenOptions.def (original) +++ cfe/trunk/include/clang/Frontend/CodeGenOptions.def Mon Nov 20 03:16:16 2017 @@ -144,6 +144,7 @@ ENUM_CODEGENOPT(StructReturnConvention, CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions. CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled. CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA. +CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA. CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels. CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection ///< in AddressSanitizer Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=318644&r1=318643&r2=318644&view=diff ============================================================================== --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original) +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Mon Nov 20 03:16:16 2017 @@ -546,6 +546,8 @@ static bool ParseCodeGenArgs(CodeGenOpti OPT_fuse_register_sized_bitfield_access); Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa); + Opts.NewStructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa) && + Args.hasArg(OPT_new_struct_path_tbaa); Opts.FineGrainedBitfieldAccesses = Args.hasFlag(OPT_ffine_grained_bitfield_accesses, OPT_fno_fine_grained_bitfield_accesses, false); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
