1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li int* a = &(int){1};
4*67e74705SXin Li struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
5*67e74705SXin Li _Complex double * x = &(_Complex double){1.0f};
6*67e74705SXin Li typedef int v4i32 __attribute((vector_size(16)));
7*67e74705SXin Li v4i32 *y = &(v4i32){1,2,3,4};
8*67e74705SXin Li
xxx()9*67e74705SXin Li void xxx() {
10*67e74705SXin Li int* a = &(int){1};
11*67e74705SXin Li struct s {int a, b, c;} * b = &(struct s) {1, 2, 3};
12*67e74705SXin Li _Complex double * x = &(_Complex double){1.0f};
13*67e74705SXin Li }
14*67e74705SXin Li
15*67e74705SXin Li // CHECK-LABEL: define void @f()
f()16*67e74705SXin Li void f() {
17*67e74705SXin Li typedef struct S { int x,y; } S;
18*67e74705SXin Li // CHECK: [[S:%[a-zA-Z0-9.]+]] = alloca [[STRUCT:%[a-zA-Z0-9.]+]],
19*67e74705SXin Li struct S s;
20*67e74705SXin Li // CHECK-NEXT: [[COMPOUNDLIT:%[a-zA-Z0-9.]+]] = alloca [[STRUCT]]
21*67e74705SXin Li // CHECK-NEXT: [[CX:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]], [[STRUCT]]* [[COMPOUNDLIT]], i32 0, i32 0
22*67e74705SXin Li // CHECK-NEXT: [[SY:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]], [[STRUCT]]* [[S]], i32 0, i32 1
23*67e74705SXin Li // CHECK-NEXT: [[TMP:%[a-zA-Z0-9.]+]] = load i32, i32* [[SY]]
24*67e74705SXin Li // CHECK-NEXT: store i32 [[TMP]], i32* [[CX]]
25*67e74705SXin Li // CHECK-NEXT: [[CY:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]], [[STRUCT]]* [[COMPOUNDLIT]], i32 0, i32 1
26*67e74705SXin Li // CHECK-NEXT: [[SX:%[a-zA-Z0-9.]+]] = getelementptr inbounds [[STRUCT]], [[STRUCT]]* [[S]], i32 0, i32 0
27*67e74705SXin Li // CHECK-NEXT: [[TMP:%[a-zA-Z0-9.]+]] = load i32, i32* [[SX]]
28*67e74705SXin Li // CHECK-NEXT: store i32 [[TMP]], i32* [[CY]]
29*67e74705SXin Li // CHECK-NEXT: [[SI8:%[a-zA-Z0-9.]+]] = bitcast [[STRUCT]]* [[S]] to i8*
30*67e74705SXin Li // CHECK-NEXT: [[COMPOUNDLITI8:%[a-zA-Z0-9.]+]] = bitcast [[STRUCT]]* [[COMPOUNDLIT]] to i8*
31*67e74705SXin Li // CHECK-NEXT: call void @llvm.memcpy{{.*}}(i8* [[SI8]], i8* [[COMPOUNDLITI8]]
32*67e74705SXin Li s = (S){s.y,s.x};
33*67e74705SXin Li // CHECK-NEXT: ret void
34*67e74705SXin Li }
35*67e74705SXin Li
36*67e74705SXin Li // CHECK-LABEL: define i48 @g(
37*67e74705SXin Li struct G { short x, y, z; };
g(int x,int y,int z)38*67e74705SXin Li struct G g(int x, int y, int z) {
39*67e74705SXin Li // CHECK: [[RESULT:%.*]] = alloca [[G:%.*]], align 2
40*67e74705SXin Li // CHECK-NEXT: [[X:%.*]] = alloca i32, align 4
41*67e74705SXin Li // CHECK-NEXT: [[Y:%.*]] = alloca i32, align 4
42*67e74705SXin Li // CHECK-NEXT: [[Z:%.*]] = alloca i32, align 4
43*67e74705SXin Li // CHECK-NEXT: [[COERCE_TEMP:%.*]] = alloca i48
44*67e74705SXin Li // CHECK-NEXT: store i32
45*67e74705SXin Li // CHECK-NEXT: store i32
46*67e74705SXin Li // CHECK-NEXT: store i32
47*67e74705SXin Li
48*67e74705SXin Li // Evaluate the compound literal directly in the result value slot.
49*67e74705SXin Li // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]], [[G]]* [[RESULT]], i32 0, i32 0
50*67e74705SXin Li // CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[X]], align 4
51*67e74705SXin Li // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
52*67e74705SXin Li // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
53*67e74705SXin Li // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]], [[G]]* [[RESULT]], i32 0, i32 1
54*67e74705SXin Li // CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[Y]], align 4
55*67e74705SXin Li // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
56*67e74705SXin Li // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
57*67e74705SXin Li // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[G]], [[G]]* [[RESULT]], i32 0, i32 2
58*67e74705SXin Li // CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[Z]], align 4
59*67e74705SXin Li // CHECK-NEXT: [[T2:%.*]] = trunc i32 [[T1]] to i16
60*67e74705SXin Li // CHECK-NEXT: store i16 [[T2]], i16* [[T0]], align 2
61*67e74705SXin Li return (struct G) { x, y, z };
62*67e74705SXin Li
63*67e74705SXin Li // CHECK-NEXT: [[T0:%.*]] = bitcast i48* [[COERCE_TEMP]] to i8*
64*67e74705SXin Li // CHECK-NEXT: [[T1:%.*]] = bitcast [[G]]* [[RESULT]] to i8*
65*67e74705SXin Li // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[T0]], i8* [[T1]], i64 6
66*67e74705SXin Li // CHECK-NEXT: [[T0:%.*]] = load i48, i48* [[COERCE_TEMP]]
67*67e74705SXin Li // CHECK-NEXT: ret i48 [[T0]]
68*67e74705SXin Li }
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