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-rw-r--r--test/FrontendC/object_size.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/FrontendC/object_size.c b/test/FrontendC/object_size.c
new file mode 100644
index 0000000000..0ddd66bc38
--- /dev/null
+++ b/test/FrontendC/object_size.c
@@ -0,0 +1,16 @@
+// RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep ret | grep {\\-1} | count 1
+// RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep ret | grep {0} | count 1
+// RUN: %llvmgcc -S -emit-llvm -O1 %s -o - | grep ret | grep {8} | count 1
+
+unsigned t1(void *d) {
+ return __builtin_object_size(d, 0);
+}
+
+unsigned t2(void *d) {
+ return __builtin_object_size(d, 2);
+}
+
+char buf[8];
+unsigned t3() {
+ return __builtin_object_size(buf, 0);
+}