1// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
2
3int* a = &(int){1};
4struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
5_Complex double * x = &(_Complex double){1.0f};
6typedef int v4i32 __attribute((vector_size(16)));
7v4i32 *y = &(v4i32){1,2,3,4};
8
9void xxx() {
10int* a = &(int){1};
11struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
12_Complex double * x = &(_Complex double){1.0f};
13}
14
15// CHECK-LABEL: define void @f()
16void f() {
17  typedef struct S { int x,y; } S;
18  // CHECK: [[S:%[a-zA-Z0-9.]+]] = alloca [[STRUCT:%[a-zA-Z0-9.]+]],
19  struct S s;
20  // CHECK-NEXT: [[COMPOUNDLIT:%[a-zA-Z0-9.]+]] = alloca [[STRUCT]]
21  // CHECK-NEXT: [[CX:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]]* [[COMPOUNDLIT]], i32 0, i32 0
22  // CHECK-NEXT: [[SY:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]]* [[S]], i32 0, i32 1
23  // CHECK-NEXT: [[TMP:%[a-zA-Z0-9.]+]] = load i32* [[SY]]
24  // CHECK-NEXT: store i32 [[TMP]], i32* [[CX]]
25  // CHECK-NEXT: [[CY:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]]* [[COMPOUNDLIT]], i32 0, i32 1
26  // CHECK-NEXT: [[SX:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]]* [[S]], i32 0, i32 0
27  // CHECK-NEXT: [[TMP:%[a-zA-Z0-9.]+]] = load i32* [[SX]]
28  // CHECK-NEXT: store i32 [[TMP]], i32* [[CY]]
29  // CHECK-NEXT: [[SI8:%[a-zA-Z0-9.]+]] = bitcast [[STRUCT]]* [[S]] to i8*
30  // CHECK-NEXT: [[COMPOUNDLITI8:%[a-zA-Z0-9.]+]] = bitcast [[STRUCT]]* [[COMPOUNDLIT]] to i8*
31  // CHECK-NEXT: call void @llvm.memcpy{{.*}}(i8* [[SI8]], i8* [[COMPOUNDLITI8]]
32  s = (S){s.y,s.x};
33  // CHECK-NEXT: ret void
34}
35
36// CHECK-LABEL: define i48 @g(
37struct G { short x, y, z; };
38struct G g(int x, int y, int z) {
39  // CHECK:      [[RESULT:%.*]] = alloca [[G:%.*]], align 2
40  // CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
41  // CHECK-NEXT: [[Y:%.*]] = alloca i32, align 4
42  // CHECK-NEXT: [[Z:%.*]] = alloca i32, align 4
43  // CHECK-NEXT: [[COERCE_TEMP:%.*]] = alloca i48
44  // CHECK-NEXT: store i32
45  // CHECK-NEXT: store i32
46  // CHECK-NEXT: store i32
47
48  // Evaluate the compound literal directly in the result value slot.
49  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]]* [[RESULT]], i32 0, i32 0
50  // CHECK-NEXT: [[T1:%.*]] = load i32* [[X]], align 4
51  // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
52  // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
53  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]]* [[RESULT]], i32 0, i32 1
54  // CHECK-NEXT: [[T1:%.*]] = load i32* [[Y]], align 4
55  // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
56  // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
57  // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]]* [[RESULT]], i32 0, i32 2
58  // CHECK-NEXT: [[T1:%.*]] = load i32* [[Z]], align 4
59  // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
60  // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
61  return (struct G) { x, y, z };
62
63  // CHECK-NEXT: [[T0:%.*]] = bitcast i48* [[COERCE_TEMP]] to i8*
64  // CHECK-NEXT: [[T1:%.*]] = bitcast [[G]]* [[RESULT]] to i8*
65  // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[T0]], i8* [[T1]], i64 6
66  // CHECK-NEXT: [[T0:%.*]] = load i48* [[COERCE_TEMP]]
67  // CHECK-NEXT: ret i48 [[T0]]
68}
69