1; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
2; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK
3; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
4
5; EG-CHECK: @i32_mad24
6; Signed 24-bit multiply is not supported on pre-Cayman GPUs.
7; EG-CHECK: MULLO_INT
8; CM-CHECK: MULADD_INT24 {{[ *]*}}T{{[0-9].[XYZW]}}, KC0[2].Z, KC0[2].W, KC0[3].X
9; SI-CHECK: V_MAD_I32_I24
10define void @i32_mad24(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) {
11entry:
12  %0 = shl i32 %a, 8
13  %a_24 = ashr i32 %0, 8
14  %1 = shl i32 %b, 8
15  %b_24 = ashr i32 %1, 8
16  %2 = mul i32 %a_24, %b_24
17  %3 = add i32 %2, %c
18  store i32 %3, i32 addrspace(1)* %out
19  ret void
20}
21