From 0d3ed6f1c238bd2970fb6b7973ef448fb191ce87 Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Tue, 11 Dec 2012 17:12:28 +0000 Subject: [driver] Add the -fvectorize flag to enable the loop vectorization passes. rdar://12839978 llvm-svn: 169885 --- clang/lib/Driver/Tools.cpp | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'clang/lib/Driver/Tools.cpp') diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 2872749cfe0..9ae03fc8c6b 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2928,6 +2928,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, false)) CmdArgs.push_back("-fasm-blocks"); + // -fno-vectorize is default. + if (Args.hasFlag(options::OPT_fvectorize, + options::OPT_fno_vectorize, false)) { + CmdArgs.push_back("-backend-option"); + CmdArgs.push_back("-vectorize-loops"); + } + if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ)) A->render(Args, CmdArgs); -- cgit v1.2.3