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Diffstat (limited to 'gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c')
-rw-r--r--gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c b/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c
new file mode 100644
index 00000000000..40137d97555
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c
@@ -0,0 +1,28 @@
+/* Test that LoongArch backend ignores zero-sized fields of aggregates in
+ returning. */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -mdouble-float -mabi=lp64d" } */
+/* { dg-final { scan-assembler-not "\\\$r4" } } */
+
+struct test
+{
+ int empty1[0];
+ double empty2[0];
+ int : 0;
+ float x;
+ long empty3[0];
+ long : 0;
+ float y;
+ unsigned : 0;
+ char empty4[0];
+};
+
+extern struct test callee (void);
+
+float
+caller (void)
+{
+ struct test test = callee ();
+ return test.x + test.y;
+}