test/CodeGen/R600/call.ll


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

; RUN: not llc -march=r600 -mcpu=SI -verify-machineinstrs< %s 2>&1 | FileCheck %s
; RUN: not llc -march=r600 -mcpu=cypress < %s 2>&1 | FileCheck %s

; CHECK: error: unsupported call to function external_function in test_call_external


declare i32 @external_function(i32) nounwind

define i32 @defined_function(i32 %x) nounwind noinline {
  %y = add i32 %x, 8
  ret i32 %y
}

define void @test_call(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
  %b_ptr = getelementptr i32 addrspace(1)* %in, i32 1
  %a = load i32 addrspace(1)* %in
  %b = load 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
}

define void @test_call_external(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
  %b_ptr = getelementptr i32 addrspace(1)* %in, i32 1
  %a = load i32 addrspace(1)* %in
  %b = load 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
}