[gcc r14-8838] middle-end: add additional runtime test for [PR113467]

[gcc r14-8838] middle-end: add additional runtime test for [PR113467]

[Tamar Christina]

https://gcc.gnu.org/g:194d0956ef5992d4e453bde3eb5772dc077f610c

commit r14-8838-g194d0956ef5992d4e453bde3eb5772dc077f610c
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Wed Feb 7 10:57:05 2024 +0000

    middle-end: add additional runtime test for [PR113467]
    
    This just adds an additional runtime testcase for the fixed issue.
    
    gcc/testsuite/ChangeLog:
    
            PR tree-optimization/113467
            * gcc.dg/vect/vect-early-break_110-pr113467.c: New test.

Diff:
---
 .../gcc.dg/vect/vect-early-break_110-pr113467.c    | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/vect/vect-early-break_110-pr113467.c b/gcc/testsuite/gcc.dg/vect/vect-early-break_110-pr113467.c
new file mode 100644
index 000000000000..1e2c47be5fdf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-early-break_110-pr113467.c
@@ -0,0 +1,52 @@
+/* { dg-add-options vect_early_break } */
+/* { dg-require-effective-target vect_early_break } */
+/* { dg-require-effective-target vect_long_long } */
+
+/* { dg-final { scan-tree-dump-not "LOOP VECTORIZED" "vect" } } */
+
+#include "tree-vect.h"
+#include <stdint.h>
+
+typedef struct gcry_mpi *gcry_mpi_t;
+struct gcry_mpi {
+  int nlimbs;
+  unsigned long *d;
+};
+
+long gcry_mpi_add_ui_up;
+void gcry_mpi_add_ui(gcry_mpi_t w, gcry_mpi_t u, unsigned v) {
+  gcry_mpi_add_ui_up = *w->d;
+  if (u) {
+    uint64_t *res_ptr = w->d, *s1_ptr = w->d;
+    int s1_size = u->nlimbs;
+    unsigned s2_limb = v, x = *s1_ptr++;
+    s2_limb += x;
+    *res_ptr++ = s2_limb;
+    if (x)
+      while (--s1_size) {
+        x = *s1_ptr++ + 1;
+        *res_ptr++ = x;
+        if (x) {
+          break;
+        }
+      }
+  }
+}
+
+int main()
+{
+  check_vect ();
+
+  static struct gcry_mpi sv;
+  static uint64_t vals[] = {4294967288ULL, 191ULL,        4160749568ULL, 4294963263ULL,
+                            127ULL,        4294950912ULL, 255ULL,        4294901760ULL,
+                            534781951ULL,  33546240ULL,   4294967292ULL, 4294960127ULL,
+                            4292872191ULL, 4294967295ULL, 4294443007ULL, 3ULL};
+  gcry_mpi_t v = &sv;
+  v->nlimbs = 16;
+  v->d = vals;
+
+  gcry_mpi_add_ui(v, v, 8);
+  if (v->d[1] != 192)
+    __builtin_abort();
+}