1 files changed, 75 insertions, 0 deletions
diff --git a/test/CodeGen/attr-minsize.cpp b/test/CodeGen/attr-minsize.cpp
new file mode 100644
index 0000000..a422a62
--- /dev/null
+++ b/test/CodeGen/attr-minsize.cpp
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -Oz -emit-llvm %s -o - | FileCheck %s -check-prefix=Oz
+// RUN: %clang_cc1 -O0 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
+// RUN: %clang_cc1 -O1 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
+// RUN: %clang_cc1 -O2 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
+// RUN: %clang_cc1 -O3 -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
+// RUN: %clang_cc1 -Os -emit-llvm %s -o - | FileCheck %s -check-prefix=OTHER
+// Check that we set the minsize attribute on each function
+// when Oz optimization level is set.
+
+int test1() {
+  return 42;
+// Oz: @{{.*}}test1{{.*}}minsize
+// Oz: ret
+// OTHER: @{{.*}}test1
+// OTHER-NOT: minsize
+// OTHER: ret
+}
+
+int test2() {
+  return 42;
+// Oz: @{{.*}}test2{{.*}}minsize
+// Oz: ret
+// OTHER: @{{.*}}test2
+// OTHER-NOT: minsize
+// OTHER: ret
+}
+
+__attribute__((minsize))
+int test3() {
+  return 42;
+// Oz: @{{.*}}test3{{.*}}minsize
+// OTHER: @{{.*}}test3{{.*}}minsize
+}
+
+// Check that the minsize attribute is well propagated through
+// template instantiation
+
+template<typename T>
+__attribute__((minsize))
+void test4(T arg) {
+  return;
+}
+
+template
+void test4<int>(int arg);
+// Oz: define{{.*}}void @{{.*}}test4
+// Oz: minsize
+// OTHER: define{{.*}}void @{{.*}}test4
+// OTHER: minsize
+
+template
+void test4<float>(float arg);
+// Oz: define{{.*}}void @{{.*}}test4
+// Oz: minsize
+// OTHER: define{{.*}}void @{{.*}}test4
+// OTHER: minsize
+
+template<typename T>
+void test5(T arg) {
+  return;
+}
+
+template
+void test5<int>(int arg);
+// Oz: define{{.*}}void @{{.*}}test5
+// Oz: minsize
+// OTHER: define{{.*}}void @{{.*}}test5
+// OTHER-NOT: minsize
+
+template
+void test5<float>(float arg);
+// Oz: define{{.*}}void @{{.*}}test5
+// Oz: minsize
+// OTHER: define{{.*}}void @{{.*}}test5
+// OTHER-NOT: minsize