1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -global-isel -mattr=+enable-flat-scratch -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 < %s | FileCheck -check-prefix=MESA %s
3 ; RUN: llc -global-isel -mattr=+enable-flat-scratch -mtriple=amdgcn-amd-amdpal -mcpu=gfx900 < %s | FileCheck -check-prefix=PAL %s
5 ; Test that the initialization for flat_scratch doesn't crash. PAL
6 ; doesn't add a user SGPR for initializing flat_scratch, mesa does
7 ; (although this probably isn't actually defined).
9 define amdgpu_ps void @amdgpu_ps() {
10 ; MESA-LABEL: amdgpu_ps:
12 ; MESA-NEXT: s_add_u32 flat_scratch_lo, s2, s4
13 ; MESA-NEXT: s_mov_b64 s[0:1], src_private_base
14 ; MESA-NEXT: s_addc_u32 flat_scratch_hi, s3, 0
15 ; MESA-NEXT: v_mov_b32_e32 v0, 4
16 ; MESA-NEXT: v_mov_b32_e32 v1, s1
17 ; MESA-NEXT: v_mov_b32_e32 v2, 0
18 ; MESA-NEXT: flat_store_dword v[0:1], v2
19 ; MESA-NEXT: s_waitcnt vmcnt(0)
22 ; PAL-LABEL: amdgpu_ps:
24 ; PAL-NEXT: s_getpc_b64 s[2:3]
25 ; PAL-NEXT: s_mov_b32 s2, s0
26 ; PAL-NEXT: s_load_dwordx2 s[2:3], s[2:3], 0x0
27 ; PAL-NEXT: v_mov_b32_e32 v0, 4
28 ; PAL-NEXT: v_mov_b32_e32 v2, 0
29 ; PAL-NEXT: s_waitcnt lgkmcnt(0)
30 ; PAL-NEXT: s_and_b32 s3, s3, 0xffff
31 ; PAL-NEXT: s_add_u32 flat_scratch_lo, s2, s0
32 ; PAL-NEXT: s_mov_b64 s[0:1], src_private_base
33 ; PAL-NEXT: s_addc_u32 flat_scratch_hi, s3, 0
34 ; PAL-NEXT: v_mov_b32_e32 v1, s1
35 ; PAL-NEXT: flat_store_dword v[0:1], v2
36 ; PAL-NEXT: s_waitcnt vmcnt(0)
38 %alloca = alloca i32, addrspace(5)
39 %cast = addrspacecast ptr addrspace(5) %alloca to ptr
40 store volatile i32 0, ptr %cast