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-rw-r--r--clang/lib/Driver/ToolChains/Hexagon.cpp7
-rw-r--r--clang/test/Driver/hexagon-vectorize.c7
2 files changed, 14 insertions, 0 deletions
diff --git a/clang/lib/Driver/ToolChains/Hexagon.cpp b/clang/lib/Driver/ToolChains/Hexagon.cpp
index 25a911f4b2c..6402a8288ba 100644
--- a/clang/lib/Driver/ToolChains/Hexagon.cpp
+++ b/clang/lib/Driver/ToolChains/Hexagon.cpp
@@ -520,6 +520,13 @@ void HexagonToolChain::addClangTargetOptions(const ArgList &DriverArgs,
CC1Args.push_back("-target-feature");
CC1Args.push_back("+reserved-r19");
}
+ if (Arg *A = DriverArgs.getLastArg(options::OPT_fvectorize,
+ options::OPT_fno_vectorize)) {
+ if (A->getOption().matches(options::OPT_fvectorize)) {
+ CC1Args.push_back("-mllvm");
+ CC1Args.push_back("-hexagon-autohvx");
+ }
+ }
}
void HexagonToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
diff --git a/clang/test/Driver/hexagon-vectorize.c b/clang/test/Driver/hexagon-vectorize.c
new file mode 100644
index 00000000000..d6a537ee8c5
--- /dev/null
+++ b/clang/test/Driver/hexagon-vectorize.c
@@ -0,0 +1,7 @@
+// RUN: %clang -target hexagon -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-DEFAULT
+// RUN: %clang -target hexagon -fvectorize -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-VECTOR
+// RUN: %clang -target hexagon -fvectorize -fno-vectorize -### %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOVECTOR
+
+// CHECK-DEFAULT-NOT: hexagon-autohvx
+// CHECK-VECTOR: "-mllvm" "-hexagon-autohvx"
+// CHECK-NOVECTOR-NOT: hexagon-autohvx
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