1 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
2 ; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
4 ; These tests check that fdiv is expanded correctly and also test that the
5 ; scheduler is scheduling the RECIP_IEEE and MUL_IEEE instructions in separate
8 ; R600-CHECK: @fdiv_v2f32
9 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW]}}, KC0[3].Z
10 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW]}}, KC0[3].Y
11 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}, KC0[3].X, PS
12 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}, KC0[2].W, PS
13 ; SI-CHECK: @fdiv_v2f32
14 ; SI-CHECK-DAG: V_RCP_F32
15 ; SI-CHECK-DAG: V_MUL_F32
16 ; SI-CHECK-DAG: V_RCP_F32
17 ; SI-CHECK-DAG: V_MUL_F32
18 define void @fdiv_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) {
20 %0 = fdiv <2 x float> %a, %b
21 store <2 x float> %0, <2 x float> addrspace(1)* %out
25 ; R600-CHECK: @fdiv_v4f32
26 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
27 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
28 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
29 ; R600-CHECK-DAG: RECIP_IEEE * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
30 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
31 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
32 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
33 ; R600-CHECK-DAG: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}, PS
34 ; SI-CHECK: @fdiv_v4f32
35 ; SI-CHECK-DAG: V_RCP_F32
36 ; SI-CHECK-DAG: V_MUL_F32
37 ; SI-CHECK-DAG: V_RCP_F32
38 ; SI-CHECK-DAG: V_MUL_F32
39 ; SI-CHECK-DAG: V_RCP_F32
40 ; SI-CHECK-DAG: V_MUL_F32
41 ; SI-CHECK-DAG: V_RCP_F32
42 ; SI-CHECK-DAG: V_MUL_F32
43 define void @fdiv_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
44 %b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
45 %a = load <4 x float> addrspace(1) * %in
46 %b = load <4 x float> addrspace(1) * %b_ptr
47 %result = fdiv <4 x float> %a, %b
48 store <4 x float> %result, <4 x float> addrspace(1)* %out