1 ; RUN: not llc -mtriple=amdgcn-mesa-mesa3d -tailcallopt -verify-machineinstrs=0 < %s 2>&1 | FileCheck --check-prefix=GCN %s
2 ; RUN: not llc -mtriple=amdgcn--amdpal -tailcallopt -verify-machineinstrs=0 < %s 2>&1 | FileCheck --check-prefix=GCN %s
3 ; RUN: not llc -mtriple=r600-- -mcpu=cypress -tailcallopt < %s 2>&1 | FileCheck -check-prefix=R600 %s
5 declare i32 @external_function(i32) nounwind
8 ; R600: in function test_call_external{{.*}}: unsupported call to function external_function
9 define amdgpu_kernel void @test_call_external(ptr addrspace(1) %out, ptr addrspace(1) %in) {
10 %b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
11 %a = load i32, ptr addrspace(1) %in
12 %b = load i32, ptr addrspace(1) %b_ptr
13 %c = call i32 @external_function(i32 %b) nounwind
14 %result = add i32 %a, %c
15 store i32 %result, ptr addrspace(1) %out
19 define i32 @defined_function(i32 %x) nounwind noinline {
25 ; R600: in function test_call{{.*}}: unsupported call to function defined_function
26 define amdgpu_kernel void @test_call(ptr addrspace(1) %out, ptr addrspace(1) %in) {
27 %b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
28 %a = load i32, ptr addrspace(1) %in
29 %b = load i32, ptr addrspace(1) %b_ptr
30 %c = call i32 @defined_function(i32 %b) nounwind
31 %result = add i32 %a, %c
32 store i32 %result, ptr addrspace(1) %out
36 ; GCN: error: <unknown>:0:0: in function test_tail_call i32 (ptr addrspace(1), ptr addrspace(1)): unsupported required tail call to function defined_function
37 ; R600: in function test_tail_call{{.*}}: unsupported call to function defined_function
38 define i32 @test_tail_call(ptr addrspace(1) %out, ptr addrspace(1) %in) {
39 %b_ptr = getelementptr i32, ptr addrspace(1) %in, i32 1
40 %a = load i32, ptr addrspace(1) %in
41 %b = load i32, ptr addrspace(1) %b_ptr
42 %c = tail call i32 @defined_function(i32 %b)
46 ; R600: in function test_c_call{{.*}}: unsupported call to function defined_function
47 define amdgpu_ps i32 @test_c_call_from_shader() {
48 %call = call i32 @defined_function(i32 0)
52 ; GCN-NOT: in function test_gfx_call{{.*}}unsupported
53 ; R600: in function test_gfx_call{{.*}}: unsupported call to function defined_function
54 define amdgpu_ps i32 @test_gfx_call_from_shader() {
55 %call = call amdgpu_gfx i32 @defined_function(i32 0)