1 files changed, 61 insertions, 0 deletions

diff --git a/test/CodeGen/decl.c b/test/CodeGen/decl.c
new file mode 100644
index 0000000000000..f7a001e47ce4a
--- /dev/null
+++ b/test/CodeGen/decl.c
@@ -0,0 +1,61 @@
+// RUN: clang-cc -emit-llvm < %s | FileCheck %s
+
+// CHECK: @test1.x = internal constant [12 x i32] [i32 1
+// CHECK: @test2.x = internal constant [13 x i32] [i32 1,
+// CHECK: @test5w = global %0 { i32 2, [4 x i8] undef }
+// CHECK: @test5y = global %union.test5u { double 7.300000e+0{{[0]*}}1 }
+
+void test1() {
+  // This should codegen as a "@test1.x" global.
+  const int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23 };
+  foo(x);
+
+// CHECK: @test1()
+// CHECK: {{call.*@foo.*@test1.x}}
+}
+
+
+// rdar://7346691
+void test2() {
+  // This should codegen as a "@test2.x" global + memcpy.
+  int x[] = { 1, 2, 3, 4, 6, 8, 9, 10, 123, 231, 123,23, 24 };
+  foo(x);
+  
+  // CHECK: @test2()
+  // CHECK: %x = alloca [13 x i32]
+  // CHECK: call void @llvm.memcpy
+  // CHECK: call{{.*}}@foo{{.*}}i32* %
+}
+
+
+void test3() {
+  // This should codegen as a memset.
+  int x[100] = { 0 };
+  foo(x);
+  
+  // CHECK: @test3()
+  // CHECK: %x = alloca [100 x i32]
+  // CHECK: call void @llvm.memset
+}
+
+void test4(void) {
+  char a[10] = "asdf";
+  char b[10] = { "asdf" };
+  // CHECK: @test4()
+  // CHECK: %a = alloca [10 x i8]
+  // CHECK: %b = alloca [10 x i8]
+  // CHECK: call void @llvm.memcpy
+  // CHECK: call void @llvm.memcpy
+}
+
+
+union test5u { int i; double d; };
+
+void test5() {
+  union test5u ola = (union test5u) 351;
+  union test5u olb = (union test5u) 1.0;
+}
+
+union test5u test5w = (union test5u)2;
+union test5u test5y = (union test5u)73.0;
+