1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// RUN: %clang_cc1 %s -triple x86_64-apple-macosx10.7.2 -emit-llvm -o - | FileCheck %s
// <rdar://problem/10463337>
struct X { int x[6]; };
struct Y { char x[13]; struct X y; } __attribute((packed));
struct Y g;
void f(struct X);
struct X test1() {
// CHECK: @test1
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i64 24, i32 1, i1 false)
return g.y;
}
struct X test2() {
// CHECK: @test2
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i64 24, i32 1, i1 false)
struct X a = g.y;
return a;
}
void test3(struct X a) {
// CHECK: @test3
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i8* {{.*}}, i64 24, i32 1, i1 false)
g.y = a;
}
void test4() {
// CHECK: @test4
// FIXME: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i64 24, i32 1, i1 false)
f(g.y);
}
|
