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
32
33
34
35
36
37
38
39
40
41
42
43
|
// RUN: %clang_cc1 -triple s390x-linux-gnu -emit-llvm %s -o - | FileCheck %s
// SystemZ prefers to align all global variables to two bytes.
struct test {
signed char a;
};
char c;
// CHECK-DAG: @c = common global i8 0, align 2
struct test s;
// CHECK-DAG: @s = common global %struct.test zeroinitializer, align 2
extern char ec;
// CHECK-DAG: @ec = external global i8, align 2
extern struct test es;
// CHECK-DAG: @es = external global %struct.test, align 2
// Dummy function to make sure external symbols are used.
void func (void)
{
c = ec;
s = es;
}
// Alignment should be respected for coerced argument loads
struct arg { long y __attribute__((packed, aligned(4))); };
extern struct arg x;
void f(struct arg);
void test (void)
{
f(x);
}
// CHECK-LABEL: @test
// CHECK: load i64, i64* getelementptr inbounds (%struct.arg, %struct.arg* @x, i32 0, i32 0), align 4
|
