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-rw-r--r--clang/test/Driver/x86-target-features.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/test/Driver/x86-target-features.c b/clang/test/Driver/x86-target-features.c
index 41547a512de..26f5843e413 100644
--- a/clang/test/Driver/x86-target-features.c
+++ b/clang/test/Driver/x86-target-features.c
@@ -164,3 +164,8 @@
// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-pconfig %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PCONFIG %s
// PCONFIG: "-target-feature" "+pconfig"
// NO-PCONFIG: "-target-feature" "-pconfig"
+
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mptwrite %s -### -o %t.o 2>&1 | FileCheck -check-prefix=PTWRITE %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-ptwrite %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-PTWRITE %s
+// PTWRITE: "-target-feature" "+ptwrite"
+// NO-PTWRITE: "-target-feature" "-ptwrite"
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