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-rw-r--r--lib/Driver/Tools.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 9ae03fc8c6..25aab58660 100644
--- a/lib/Driver/Tools.cpp
+++ b/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);