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-rw-r--r--clang/test/Driver/no-sibling-calls.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/Driver/no-sibling-calls.c b/clang/test/Driver/no-sibling-calls.c
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+++ b/clang/test/Driver/no-sibling-calls.c
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+// RUN: %clang -### %s -fno-optimize-sibling-calls 2> %t
+// RUN: FileCheck --check-prefix=CHECK-NOSC < %t %s
+// CHECK-NOSC: "-mdisable-tail-calls"
+
+// RUN: %clang -### -foptimize-sibling-calls %s 2> %t
+// RUN: FileCheck --check-prefix=CHECK-OSC < %t %s
+// CHECK-OSC-NOT: "-mdisable-tail-calls"
+