1 files changed, 33 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.dwarf2/clztest.c b/gdb/testsuite/gdb.dwarf2/clztest.c
new file mode 100644
index 0000000..5fad7ec
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/clztest.c
@@ -0,0 +1,33 @@
+/* { dg-do run { target { x86_64-*-* && lp64 } } } */
+/* { dg-options "-g" } */
+
+volatile int vv;
+
+__attribute__((noinline, noclone)) long
+foo (long x)
+{
+  long f = __builtin_clzl (x);
+  long g = f;
+  asm volatile ("" : "+r" (f));
+  vv++;		/* { dg-final { gdb-test 12 "g" "43" } } */
+  return f;	/* { dg-final { gdb-test 12 "f" "43" } } */
+}
+
+__attribute__((noinline, noclone)) long
+bar (long x)
+{
+  long f = __builtin_clzl (x);
+  long g = f;
+  asm volatile ("" : "+r" (f));
+  vv++;		/* { dg-final { gdb-test 22 "g" "33" } } */
+  return f;	/* { dg-final { gdb-test 22 "f" "33" } } */
+}
+
+int
+main ()
+{
+  long x = vv;
+  foo (x + 0x123456UL);
+  bar (x + 0x7fffffffUL);
+  return 0;
+}