1 files changed, 41 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/sh/pr53976-1.c b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr53976-1.c
new file mode 100644
index 000000000..4893b0668
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr53976-1.c
@@ -0,0 +1,41 @@
+/* Check that the SH specific sh_optimize_sett_clrt RTL optimization pass
+   works as expected.  */
+/* { dg-do compile }  */
+/* { dg-options "-O2" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m5*" } { "" } } */
+/* { dg-final { scan-assembler-times "clrt" 2 } } */
+/* { dg-final { scan-assembler-times "sett" 1 } } */
+
+long long
+test_00 (long long a, long long b, long long c, int d)
+{
+  /* One of the blocks should have a clrt and the other one should not.  */
+  if (d > 5)
+    return a + b;
+  else
+    return a + c;
+}
+
+long long
+test_01 (long long a, long long b)
+{
+  /* Must see a clrt because T bit is undefined at function entry.  */
+  return a + b;
+}
+
+int
+test_02 (const char* a)
+{
+  /* Must not see a sett after the inlined strlen.  */
+  return __builtin_strlen (a);
+}
+
+int
+test_03 (int a, int b, int c, int d)
+{
+  /* One of the blocks should have a sett and the other one should not.  */
+  if (d > 4)
+    return a + b + 1;
+  else
+    return a + c + 1;
+}