[flang] Add -f[no-]vectorize flags

Author: DavidTruby

clang/include/clang/Driver/Driver.h

@@ -55,12 +55,7 @@ class JobAction;
 class ToolChain;
 
 /// Describes the kind of LTO mode selected via -f(no-)?lto(=.*)? options.
-enum LTOKind {
-  LTOK_None,
-  LTOK_Full,
-  LTOK_Thin,
-  LTOK_Unknown
-};
+enum LTOKind { LTOK_None, LTOK_Full, LTOK_Thin, LTOK_Unknown };
 
 /// Whether headers used to construct C++20 module units should be looked
 /// up by the path supplied on the command line, or in the user or system
@@ -110,17 +105,9 @@ class Driver {
     DXCMode
   } Mode;
 
-  enum SaveTempsMode {
-    SaveTempsNone,
-    SaveTempsCwd,
-    SaveTempsObj
-  } SaveTemps;
+  enum SaveTempsMode { SaveTempsNone, SaveTempsCwd, SaveTempsObj } SaveTemps;
 
-  enum BitcodeEmbedMode {
-    EmbedNone,
-    EmbedMarker,
-    EmbedBitcode
-  } BitcodeEmbed;
+  enum BitcodeEmbedMode { EmbedNone, EmbedMarker, EmbedBitcode } BitcodeEmbed;
 
   enum OffloadMode {
     OffloadHostDevice,
@@ -166,9 +153,7 @@ class Driver {
   };
 
   // Diag - Forwarding function for diagnostics.
-  DiagnosticBuilder Diag(unsigned DiagID) const {
-    return Diags.Report(DiagID);
-  }
+  DiagnosticBuilder Diag(unsigned DiagID) const { return Diags.Report(DiagID); }
 
   // FIXME: Privatize once interface is stable.
 public:
@@ -404,7 +389,6 @@ class Driver {
                               SmallString<128> &CrashDiagDir);
 
 public:
-
   /// Takes the path to a binary that's either in bin/ or lib/ and returns
   /// the path to clang's resource directory.
   static std::string GetResourcesPath(StringRef BinaryPath);
@@ -419,9 +403,7 @@ class Driver {
   /// Name to use when invoking gcc/g++.
   const std::string &getCCCGenericGCCName() const { return CCCGenericGCCName; }
 
-  llvm::ArrayRef<std::string> getConfigFiles() const {
-    return ConfigFiles;
-  }
+  llvm::ArrayRef<std::string> getConfigFiles() const { return ConfigFiles; }
 
   const llvm::opt::OptTable &getOpts() const { return getDriverOptTable(); }
 
@@ -447,9 +429,7 @@ class Driver {
   std::string getTargetTriple() const { return TargetTriple; }
 
   /// Get the path to the main clang executable.
-  const char *getClangProgramPath() const {
-    return ClangExecutable.c_str();
-  }
+  const char *getClangProgramPath() const { return ClangExecutable.c_str(); }
 
   bool isSaveTempsEnabled() const { return SaveTemps != SaveTempsNone; }
   bool isSaveTempsObj() const { return SaveTemps == SaveTempsObj; }
@@ -561,8 +541,9 @@ class Driver {
   /// This routine handles additional processing that must be done in addition
   /// to just running the subprocesses, for example reporting errors, setting
   /// up response files, removing temporary files, etc.
-  int ExecuteCompilation(Compilation &C,
-     SmallVectorImpl< std::pair<int, const Command *> > &FailingCommands);
+  int ExecuteCompilation(
+      Compilation &C,
+      SmallVectorImpl<std::pair<int, const Command *>> &FailingCommands);
 
   /// Contains the files in the compilation diagnostic report generated by
   /// generateCompilationDiagnostics.
@@ -758,7 +739,6 @@ class Driver {
   const CUIDOptions &getCUIDOpts() const { return CUIDOpts; }
 
 private:
-
   /// Tries to load options from configuration files.
   ///
   /// \returns true if error occurred.

clang/include/clang/Driver/Options.td

@@ -3981,11 +3981,15 @@ defm assumptions : BoolFOption<"assumptions",
           "Disable codegen and compile-time checks for C++23's [[assume]] attribute">,
   PosFlag<SetTrue>>;
 
+
+let Visibility = [ClangOption, FlangOption] in {
 def fvectorize : Flag<["-"], "fvectorize">, Group<f_Group>,
   HelpText<"Enable the loop vectorization passes">;
 def fno_vectorize : Flag<["-"], "fno-vectorize">, Group<f_Group>;
 def : Flag<["-"], "ftree-vectorize">, Alias<fvectorize>;
 def : Flag<["-"], "fno-tree-vectorize">, Alias<fno_vectorize>;
+}
+
 def fslp_vectorize : Flag<["-"], "fslp-vectorize">, Group<f_Group>,
   HelpText<"Enable the superword-level parallelism vectorization passes">;
 def fno_slp_vectorize : Flag<["-"], "fno-slp-vectorize">, Group<f_Group>;
@@ -7315,6 +7319,10 @@ def mlink_builtin_bitcode : Separate<["-"], "mlink-builtin-bitcode">,
 def mlink_bitcode_file
     : Separate<["-"], "mlink-bitcode-file">,
       HelpText<"Link the given bitcode file before performing optimizations.">;
+
+def vectorize_loops : Flag<["-"], "vectorize-loops">,
+  HelpText<"Run the Loop vectorization passes">,
+  MarshallingInfoFlag<CodeGenOpts<"VectorizeLoop">>;
 } // let Visibility = [CC1Option, FC1Option]
 
 let Visibility = [CC1Option] in {
@@ -7430,9 +7438,6 @@ defm link_builtin_bitcode_postopt: BoolMOption<"link-builtin-bitcode-postopt",
   PosFlag<SetTrue, [], [ClangOption], "Link builtin bitcodes after the "
   "optimization pipeline">,
   NegFlag<SetFalse, [], [ClangOption]>>;
-def vectorize_loops : Flag<["-"], "vectorize-loops">,
-  HelpText<"Run the Loop vectorization passes">,
-  MarshallingInfoFlag<CodeGenOpts<"VectorizeLoop">>;
 def vectorize_slp : Flag<["-"], "vectorize-slp">,
   HelpText<"Run the SLP vectorization passes">,
   MarshallingInfoFlag<CodeGenOpts<"VectorizeSLP">>;