1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s 3; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s 4 5declare void @llvm.memset.p1i8.i32(i8 addrspace(1)*, i8, i32, i1) 6 7define amdgpu_cs void @memset_p1i8(i8 addrspace(1)* %dst, i8 %val) { 8; LOOP-LABEL: memset_p1i8: 9; LOOP: ; %bb.0: ; %loadstoreloop.preheader 10; LOOP-NEXT: s_mov_b64 s[0:1], 0 11; LOOP-NEXT: s_mov_b32 s2, 0 12; LOOP-NEXT: s_mov_b32 s3, 0xf000 13; LOOP-NEXT: v_mov_b32_e32 v4, s1 14; LOOP-NEXT: v_mov_b32_e32 v3, s0 15; LOOP-NEXT: BB0_1: ; %loadstoreloop 16; LOOP-NEXT: ; =>This Inner Loop Header: Depth=1 17; LOOP-NEXT: v_add_i32_e32 v5, vcc, v0, v3 18; LOOP-NEXT: v_addc_u32_e32 v6, vcc, v1, v4, vcc 19; LOOP-NEXT: v_add_i32_e32 v3, vcc, 1, v3 20; LOOP-NEXT: v_addc_u32_e32 v4, vcc, 0, v4, vcc 21; LOOP-NEXT: v_cmp_gt_u32_e32 vcc, 4, v3 22; LOOP-NEXT: buffer_store_byte v2, v[5:6], s[0:3], 0 addr64 23; LOOP-NEXT: s_cbranch_vccnz BB0_1 24; LOOP-NEXT: ; %bb.2: ; %split 25; LOOP-NEXT: s_endpgm 26; 27; UNROLL-LABEL: memset_p1i8: 28; UNROLL: ; %bb.0: 29; UNROLL-NEXT: s_mov_b32 s2, 0 30; UNROLL-NEXT: s_mov_b32 s3, 0xf000 31; UNROLL-NEXT: s_mov_b64 s[0:1], 0 32; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 33; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:1 34; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:2 35; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3 36; UNROLL-NEXT: s_endpgm 37 call void @llvm.memset.p1i8.i32(i8 addrspace(1)* %dst, i8 %val, i32 4, i1 false) 38 ret void 39} 40