1 ; RUN: not llc -march=amdgcn -mtriple=amdgcn-- -tailcallopt < %s 2>&1 | FileCheck -check-prefix=GCN %s
2 ; RUN: not llc -march=r600 -mtriple=r600-- -mcpu=cypress -tailcallopt < %s 2>&1 | FileCheck -check-prefix=R600 %s
4 declare i32 @external_function(i32) nounwind
7 ; R600: in function test_call_external{{.*}}: unsupported call to function external_function
8 define amdgpu_kernel void @test_call_external(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
9 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
10 %a = load i32, i32 addrspace(1)* %in
11 %b = load i32, i32 addrspace(1)* %b_ptr
12 %c = call i32 @external_function(i32 %b) nounwind
13 %result = add i32 %a, %c
14 store i32 %result, i32 addrspace(1)* %out
18 define i32 @defined_function(i32 %x) nounwind noinline {
24 ; R600: in function test_call{{.*}}: unsupported call to function defined_function
25 define amdgpu_kernel void @test_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
26 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
27 %a = load i32, i32 addrspace(1)* %in
28 %b = load i32, i32 addrspace(1)* %b_ptr
29 %c = call i32 @defined_function(i32 %b) nounwind
30 %result = add i32 %a, %c
31 store i32 %result, i32 addrspace(1)* %out
35 ; GCN: error: <unknown>:0:0: in function test_tail_call i32 (i32 addrspace(1)*, i32 addrspace(1)*): unsupported required tail call to function defined_function
36 ; R600: in function test_tail_call{{.*}}: unsupported call to function defined_function
37 define i32 @test_tail_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
38 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
39 %a = load i32, i32 addrspace(1)* %in
40 %b = load i32, i32 addrspace(1)* %b_ptr
41 %c = tail call i32 @defined_function(i32 %b)
45 declare void @external.varargs(i32, double, i64, ...)
47 ; GCN: error: <unknown>:0:0: in function test_call_varargs void (): unsupported call to variadic function external.varargs
48 ; R600: in function test_call_varargs{{.*}}: unsupported call to function external.varargs
49 define void @test_call_varargs() {
50 call void (i32, double, i64, ...) @external.varargs(i32 42, double 1.0, i64 12, i8 3, i16 1, i32 4, float 1.0, double 2.0)
54 declare i32 @extern_variadic(...)
56 ; GCN: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to variadic function extern_variadic
57 ; R600: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to function extern_variadic
58 define i32 @test_tail_call_bitcast_extern_variadic(<4 x float> %arg0, <4 x float> %arg1, i32 %arg2) {
59 %add = fadd <4 x float> %arg0, %arg1
60 %call = tail call i32 bitcast (i32 (...)* @extern_variadic to i32 (<4 x float>)*)(<4 x float> %add)
64 ; GCN: :0:0: in function test_indirect_call void (void ()*): unsupported indirect call to function <unknown>
65 ; R600: in function test_indirect_call{{.*}}: unsupported call to function <unknown>
66 define void @test_indirect_call(void()* %fptr) {
71 ; GCN: :0:0: in function test_call_from_shader i32 (): unsupported call from graphics shader of function defined_function
72 ; R600: in function test_call{{.*}}: unsupported call to function defined_function
73 define amdgpu_ps i32 @test_call_from_shader() {
74 %call = call i32 @defined_function(i32 0)