Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 89 insertions, 0 deletions

diff --git a/clang/test/CodeGen/designated-initializers.c b/clang/test/CodeGen/designated-initializers.c
new file mode 100644
index 0000000..6561ce5
--- /dev/null
+++ b/clang/test/CodeGen/designated-initializers.c
@@ -0,0 +1,89 @@
+// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s
+
+struct foo {
+    void *a;
+    int b;
+};
+
+// CHECK: @u = global %union.anon zeroinitializer
+union { int i; float f; } u = { };
+
+// CHECK: @u2 = global { i32, [4 x i8] } { i32 0, [4 x i8] undef }
+union { int i; double f; } u2 = { };
+
+// CHECK: @u3 = global  %union.anon.1 zeroinitializer
+union { double f; int i; } u3 = { };
+
+// CHECK: @b = global [2 x i32] [i32 0, i32 22]
+int b[2] = {
+  [1] = 22
+};
+
+// PR6955
+
+struct ds {
+  struct {
+    struct {
+      short a;
+    };
+    short b;
+    struct {
+      short c;
+    };
+  };
+};
+
+// Traditional C anonymous member init
+struct ds ds0 = { { { .a = 0 } } };
+// C1X lookup-based anonymous member init cases
+struct ds ds1 = { { .a = 1 } };
+struct ds ds2 = { { .b = 1 } };
+struct ds ds3 = { .a = 0 };
+// CHECK: @ds4 = global %struct.ds { %struct.anon.3 { %struct.anon zeroinitializer, i16 0, %struct.anon.2 { i16 1 } } }
+struct ds ds4 = { .c = 1 };
+struct ds ds5 = { { { .a = 0 } }, .b = 1 };
+struct ds ds6 = { { .a = 0, .b = 1 } };
+// CHECK: @ds7 = global %struct.ds { %struct.anon.3 { %struct.anon { i16 2 }, i16 3, %struct.anon.2 zeroinitializer } }
+struct ds ds7 = {
+  { {
+      .a = 1
+    } },
+  .a = 2,
+  .b = 3
+};
+
+void test1(int argc, char **argv)
+{
+  // CHECK: internal global %struct.foo { i8* null, i32 1024 }
+  static struct foo foo = {
+    .b = 1024,
+  };
+
+  // CHECK: bitcast %union.anon.4* %u2
+  // CHECK: call void @llvm.memset
+   union { int i; float f; } u2 = { };
+
+  // CHECK-NOT: call void @llvm.memset
+  union { int i; float f; } u3;
+
+  // CHECK: ret void
+}
+
+
+// PR7151
+struct S {
+  int nkeys;
+  int *keys;
+  union {
+    void *data;
+  };
+};
+
+void test2() {
+  struct S *btkr;
+  
+  *btkr = (struct S) {
+    .keys  = 0,
+    { .data  = 0 },
+  };
+}