From 061f1653e60586a424555bffa355bd258b91e082 Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Tue, 11 Dec 2012 19:59:32 +0000 Subject: Add -fslp-vectorize to enable bb-vectorize Add -fslp-vectorize (with -ftree-slp-vectorize as an alias for gcc compatibility) to provide a way to enable the basic-block vectorization pass. This uses the same acronym as gcc, superword-level parallelism (SLP), also common in the literature, to refer to basic-block vectorization. Nadav suggested this as a follow-up to the adding of -fvectorize. llvm-svn: 169909 --- 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 9ae03fc8c6b..25aab58660c 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2935,6 +2935,13 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, CmdArgs.push_back("-vectorize-loops"); } + // -fno-slp-vectorize is default. + if (Args.hasFlag(options::OPT_fslp_vectorize, + options::OPT_fno_slp_vectorize, false)) { + CmdArgs.push_back("-backend-option"); + CmdArgs.push_back("-vectorize"); + } + if (Arg *A = Args.getLastArg(options::OPT_fshow_overloads_EQ)) A->render(Args, CmdArgs); -- cgit v1.2.3