1 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECKBASIC %s
2 // RUN: %clang_cc1 -triple armv7a-eabi -mfloat-abi hard -emit-llvm -o - %s | FileCheck -check-prefix=CHECKCC %s
3
4 int g0;
5 // CHECKBASIC: @g0 = common global i32 0
6 static int bar1 = 42;
7 // CHECKBASIC: @bar1 = internal global i32 42
8
9 extern int g1;
10 extern int g1 __attribute((alias("g0")));
11 // CHECKBASIC: @g1 = alias i32* @g0
12
f0(void)13 void f0(void) { }
14 extern void f1(void);
15 extern void f1(void) __attribute((alias("f0")));
16 // CHECKBASIC: @f1 = alias void ()* @f0
17 // CHECKBASIC: define void @f0() [[NUW:#[0-9]+]] {
18
19 // Make sure that aliases cause referenced values to be emitted.
20 // PR3200
foo1()21 static inline int foo1() { return 0; }
22 // CHECKBASIC: define internal i32 @foo1()
23 int foo() __attribute__((alias("foo1")));
24 int bar() __attribute__((alias("bar1")));
25
26 extern int test6();
test7()27 void test7() { test6(); } // test6 is emitted as extern.
28
29 // test6 changes to alias.
30 int test6() __attribute__((alias("test7")));
31
inner(int a)32 static int inner(int a) { return 0; }
inner_weak(int a)33 static int inner_weak(int a) { return 0; }
34 extern __typeof(inner) inner_a __attribute__((alias("inner")));
35 static __typeof(inner_weak) inner_weak_a __attribute__((weakref, alias("inner_weak")));
36 // CHECKCC: @inner_a = alias i32 (i32)* @inner
37 // CHECKCC: define internal arm_aapcs_vfpcc i32 @inner(i32 %a) [[NUW:#[0-9]+]] {
38
outer(int a)39 int outer(int a) { return inner(a); }
40 // CHECKCC: define arm_aapcs_vfpcc i32 @outer(i32 %a) [[NUW]] {
41 // CHECKCC: call arm_aapcs_vfpcc i32 @inner(i32 %{{.*}})
42
outer_weak(int a)43 int outer_weak(int a) { return inner_weak_a(a); }
44 // CHECKCC: define arm_aapcs_vfpcc i32 @outer_weak(i32 %a) [[NUW]] {
45 // CHECKCC: call arm_aapcs_vfpcc i32 @inner_weak(i32 %{{.*}})
46 // CHECKCC: define internal arm_aapcs_vfpcc i32 @inner_weak(i32 %a) [[NUW]] {
47
48 // CHECKBASIC: attributes [[NUW]] = { nounwind{{.*}} }
49
50 // CHECKCC: attributes [[NUW]] = { nounwind{{.*}} }
51