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-rw-r--r--gcc/testsuite/gcc.dg/guality/sra-1.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/guality/sra-1.c b/gcc/testsuite/gcc.dg/guality/sra-1.c
new file mode 100644
index 000000000..e779d7ac8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/guality/sra-1.c
@@ -0,0 +1,56 @@
+/* PR debug/43983 */
+/* { dg-do run } */
+/* { dg-options "-g" } */
+
+struct A { int i; int j; };
+struct B { int : 4; int i : 12; int j : 12; int : 4; };
+
+__attribute__((noinline)) void
+bar (int x)
+{
+ asm volatile ("" : : "r" (x) : "memory");
+}
+
+__attribute__((noinline)) int
+f1 (int k)
+{
+ struct A a = { 4, k + 6 };
+ asm ("" : "+r" (a.i));
+ a.j++;
+ bar (a.i); /* { dg-final { gdb-test 21 "a.i" "4" } } */
+ bar (a.j); /* { dg-final { gdb-test 21 "a.j" "14" } } */
+ return a.i + a.j;
+}
+
+__attribute__((noinline)) int
+f2 (int k)
+{
+ int a[2] = { 4, k + 6 };
+ asm ("" : "+r" (a[0]));
+ a[1]++;
+ bar (a[0]); /* { dg-final { gdb-test 32 "a\[0\]" "4" } } */
+ bar (a[1]); /* { dg-final { gdb-test 32 "a\[1\]" "14" } } */
+ return a[0] + a[1];
+}
+
+__attribute__((noinline)) int
+f3 (int k)
+{
+ struct B a = { 4, k + 6 };
+ asm ("" : "+r" (a.i));
+ a.j++;
+ bar (a.i); /* { dg-final { gdb-test 43 "a.i" "4" } } */
+ bar (a.j); /* { dg-final { gdb-test 43 "a.j" "14" } } */
+ return a.i + a.j;
+}
+
+int
+main (void)
+{
+ int k;
+ asm ("" : "=r" (k) : "0" (7));
+ f1 (k);
+ f2 (k);
+ f3 (k);
+ return 0;
+}