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| ; RUN: not llc -march=amdgcn -mtriple=amdgcn-- -tailcallopt < %s 2>&1 | FileCheck -check-prefix=GCN %s
; RUN: not llc -march=r600 -mtriple=r600-- -mcpu=cypress -tailcallopt < %s 2>&1 | FileCheck -check-prefix=R600 %s
declare i32 @external_function(i32) nounwind
; GCN-NOT: error
; R600: in function test_call_external{{.*}}: unsupported call to function external_function
define amdgpu_kernel void @test_call_external(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%b = load i32, i32 addrspace(1)* %b_ptr
%c = call i32 @external_function(i32 %b) nounwind
%result = add i32 %a, %c
store i32 %result, i32 addrspace(1)* %out
ret void
}
define i32 @defined_function(i32 %x) nounwind noinline {
%y = add i32 %x, 8
ret i32 %y
}
; GCN-NOT: error
; R600: in function test_call{{.*}}: unsupported call to function defined_function
define amdgpu_kernel void @test_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%b = load i32, i32 addrspace(1)* %b_ptr
%c = call i32 @defined_function(i32 %b) nounwind
%result = add i32 %a, %c
store i32 %result, i32 addrspace(1)* %out
ret void
}
; 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
; R600: in function test_tail_call{{.*}}: unsupported call to function defined_function
define i32 @test_tail_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
%a = load i32, i32 addrspace(1)* %in
%b = load i32, i32 addrspace(1)* %b_ptr
%c = tail call i32 @defined_function(i32 %b)
ret i32 %c
}
declare void @external.varargs(i32, double, i64, ...)
; GCN: error: <unknown>:0:0: in function test_call_varargs void (): unsupported call to variadic function external.varargs
; R600: in function test_call_varargs{{.*}}: unsupported call to function external.varargs
define void @test_call_varargs() {
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)
ret void
}
declare i32 @extern_variadic(...)
; GCN: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to variadic function extern_variadic
; R600: in function test_tail_call_bitcast_extern_variadic{{.*}}: unsupported call to function extern_variadic
define i32 @test_tail_call_bitcast_extern_variadic(<4 x float> %arg0, <4 x float> %arg1, i32 %arg2) {
%add = fadd <4 x float> %arg0, %arg1
%call = tail call i32 bitcast (i32 (...)* @extern_variadic to i32 (<4 x float>)*)(<4 x float> %add)
ret i32 %call
}
; GCN: :0:0: in function test_indirect_call void (void ()*): unsupported indirect call to function <unknown>
; R600: in function test_indirect_call{{.*}}: unsupported call to function <unknown>
define void @test_indirect_call(void()* %fptr) {
call void %fptr()
ret void
}
; GCN: :0:0: in function test_call_from_shader i32 (): unsupported call from graphics shader of function defined_function
; R600: in function test_call{{.*}}: unsupported call to function defined_function
define amdgpu_ps i32 @test_call_from_shader() {
%call = call i32 @defined_function(i32 0)
ret i32 %call
}
; FIXME: Bad error message
; GCN: error: <unknown>:0:0: in function test_call_absolute void (): unsupported indirect call to function <unknown>
; R600: error: <unknown>:0:0: in function test_call_absolute void (): unsupported call to function <unknown>
define amdgpu_kernel void @test_call_absolute() #0 {
%val = call i32 inttoptr (i64 1234 to i32(i32)*) (i32 1)
%op = add i32 %val, 1
store volatile i32 %op, i32 addrspace(1)* undef
ret void
}
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