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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr43385.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/pr43385.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr43385.c b/gcc/testsuite/gcc.c-torture/execute/pr43385.c
new file mode 100644
index 000000000..eeb9096a8
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr43385.c
@@ -0,0 +1,59 @@
+/* PR c/43385 */
+
+extern void abort (void);
+
+int e;
+
+__attribute__((noinline)) void
+foo (int x, int y)
+{
+ if (__builtin_expect (x, 0) && y != 0)
+ e++;
+}
+
+__attribute__((noinline)) int
+bar (int x, int y)
+{
+ if (__builtin_expect (x, 0) && y != 0)
+ return 1;
+ else
+ return 0;
+}
+
+int
+main (void)
+{
+ int z = 0;
+ asm ("" : "+r" (z));
+ foo (z + 2, z + 1);
+ if (e != 1)
+ abort ();
+ foo (z + 2, z);
+ if (e != 1)
+ abort ();
+ foo (z + 1, z + 1);
+ if (e != 2)
+ abort ();
+ foo (z + 1, z);
+ if (e != 2)
+ abort ();
+ foo (z, z + 1);
+ if (e != 2)
+ abort ();
+ foo (z, z);
+ if (e != 2)
+ abort ();
+ if (bar (z + 2, z + 1) != 1)
+ abort ();
+ if (bar (z + 2, z) != 0)
+ abort ();
+ if (bar (z + 1, z + 1) != 1)
+ abort ();
+ if (bar (z + 1, z) != 0)
+ abort ();
+ if (bar (z, z + 1) != 0)
+ abort ();
+ if (bar (z, z) != 0)
+ abort ();
+ return 0;
+}