1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -global-isel -mtriple=amdgcn-- -verify-machineinstrs -mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s
3 ; RUN: llc -global-isel -mtriple=amdgcn-- -verify-machineinstrs -mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s
5 declare void @llvm.memset.p1.i32(ptr addrspace(1), i8, i32, i1)
7 define amdgpu_cs void @memset_p1i8(ptr addrspace(1) %dst, i8 %val) {
8 ; LOOP-LABEL: memset_p1i8:
9 ; LOOP: ; %bb.0: ; %loadstoreloop.preheader
10 ; LOOP-NEXT: s_mov_b64 s[4:5], 0
11 ; LOOP-NEXT: s_mov_b32 s2, 0
12 ; LOOP-NEXT: s_mov_b32 s3, 0xf000
13 ; LOOP-NEXT: s_mov_b64 s[0:1], 0
14 ; LOOP-NEXT: v_mov_b32_e32 v3, s4
15 ; LOOP-NEXT: v_mov_b32_e32 v4, s5
16 ; LOOP-NEXT: .LBB0_1: ; %loadstoreloop
17 ; LOOP-NEXT: ; =>This Inner Loop Header: Depth=1
18 ; LOOP-NEXT: v_add_i32_e32 v5, vcc, v0, v3
19 ; LOOP-NEXT: v_addc_u32_e32 v6, vcc, v1, v4, vcc
20 ; LOOP-NEXT: v_add_i32_e32 v3, vcc, 1, v3
21 ; LOOP-NEXT: v_addc_u32_e32 v4, vcc, 0, v4, vcc
22 ; LOOP-NEXT: v_cmp_gt_u32_e32 vcc, 4, v3
23 ; LOOP-NEXT: buffer_store_byte v2, v[5:6], s[0:3], 0 addr64
24 ; LOOP-NEXT: s_cbranch_vccnz .LBB0_1
25 ; LOOP-NEXT: ; %bb.2: ; %split
28 ; UNROLL-LABEL: memset_p1i8:
30 ; UNROLL-NEXT: s_mov_b32 s2, 0
31 ; UNROLL-NEXT: s_mov_b32 s3, 0xf000
32 ; UNROLL-NEXT: s_mov_b64 s[0:1], 0
33 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64
34 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:1
35 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:2
36 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
37 ; UNROLL-NEXT: s_endpgm
38 call void @llvm.memset.p1.i32(ptr addrspace(1) %dst, i8 %val, i32 4, i1 false)