1 files changed, 71 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/noescape.m b/clang/test/CodeGenObjC/noescape.m
new file mode 100644
index 00000000000..8ea2aa94e00
--- /dev/null
+++ b/clang/test/CodeGenObjC/noescape.m
@@ -0,0 +1,71 @@
+// RUN: %clang_cc1 -fblocks -emit-llvm -o - %s | FileCheck %s
+
+typedef void (^BlockTy)(void);
+
+union U {
+  int *i;
+  long long *ll;
+} __attribute__((transparent_union));
+
+void noescapeFunc0(id, __attribute__((noescape)) BlockTy);
+void noescapeFunc1(__attribute__((noescape)) int *);
+void noescapeFunc2(__attribute__((noescape)) id);
+void noescapeFunc3(__attribute__((noescape)) union U);
+
+// CHECK-LABEL: define void @test0(
+// CHECK: call void @noescapeFunc0({{.*}}, {{.*}} nocapture {{.*}})
+// CHECK: declare void @noescapeFunc0(i8*, {{.*}} nocapture)
+void test0(BlockTy b) {
+  noescapeFunc0(0, b);
+}
+
+// CHECK-LABEL: define void @test1(
+// CHECK: call void @noescapeFunc1({{.*}} nocapture {{.*}})
+// CHECK: declare void @noescapeFunc1({{.*}} nocapture)
+void test1(int *i) {
+  noescapeFunc1(i);
+}
+
+// CHECK-LABEL: define void @test2(
+// CHECK: call void @noescapeFunc2({{.*}} nocapture {{.*}})
+// CHECK: declare void @noescapeFunc2({{.*}} nocapture)
+void test2(id i) {
+  noescapeFunc2(i);
+}
+
+// CHECK-LABEL: define void @test3(
+// CHECK: call void @noescapeFunc3({{.*}} nocapture {{.*}})
+// CHECK: declare void @noescapeFunc3({{.*}} nocapture)
+void test3(union U u) {
+  noescapeFunc3(u);
+}
+
+// CHECK: define internal void @"\01-[C0 m0:]"({{.*}}, {{.*}}, {{.*}} nocapture {{.*}})
+
+// CHECK-LABEL: define void @test4(
+// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i32*)*)(i8* {{.*}}, i8* {{.*}}, i32* nocapture {{.*}})
+
+@interface C0
+-(void) m0:(int*)__attribute__((noescape)) p0;
+@end
+
+@implementation C0
+-(void) m0:(int*)__attribute__((noescape)) p0 {
+}
+@end
+
+void test4(C0 *c0, int *p) {
+  [c0 m0:p];
+}
+
+// CHECK-LABEL: define void @test5(
+// CHECK: call void {{.*}}(i8* bitcast ({ i8**, i32, i32, i8*, {{.*}} }* @{{.*}} to i8*), i32* nocapture {{.*}})
+// CHECK: call void {{.*}}(i8* {{.*}}, i32* nocapture {{.*}})
+// CHECK: define internal void @{{.*}}(i8* {{.*}}, i32* nocapture {{.*}})
+
+typedef void (^BlockTy2)(__attribute__((noescape)) int *);
+
+void test5(BlockTy2 b, int *p) {
+  ^(int *__attribute__((noescape)) p0){}(p);
+  b(p);
+}