; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s ; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s declare void @llvm.memset.p1i8.i32(i8 addrspace(1)*, i8, i32, i1) define amdgpu_cs void @memset_p1i8(i8 addrspace(1)* %dst, i8 %val) { ; LOOP-LABEL: memset_p1i8: ; LOOP: ; %bb.0: ; %loadstoreloop.preheader ; LOOP-NEXT: s_mov_b64 s[0:1], 0 ; LOOP-NEXT: s_mov_b32 s2, 0 ; LOOP-NEXT: s_mov_b32 s3, 0xf000 ; LOOP-NEXT: v_mov_b32_e32 v4, s1 ; LOOP-NEXT: v_mov_b32_e32 v3, s0 ; LOOP-NEXT: .LBB0_1: ; %loadstoreloop ; LOOP-NEXT: ; =>This Inner Loop Header: Depth=1 ; LOOP-NEXT: v_add_i32_e32 v5, vcc, v0, v3 ; LOOP-NEXT: v_addc_u32_e32 v6, vcc, v1, v4, vcc ; LOOP-NEXT: v_add_i32_e32 v3, vcc, 1, v3 ; LOOP-NEXT: v_addc_u32_e32 v4, vcc, 0, v4, vcc ; LOOP-NEXT: v_cmp_gt_u32_e32 vcc, 4, v3 ; LOOP-NEXT: buffer_store_byte v2, v[5:6], s[0:3], 0 addr64 ; LOOP-NEXT: s_cbranch_vccnz .LBB0_1 ; LOOP-NEXT: ; %bb.2: ; %split ; LOOP-NEXT: s_endpgm ; ; UNROLL-LABEL: memset_p1i8: ; UNROLL: ; %bb.0: ; UNROLL-NEXT: s_mov_b32 s2, 0 ; UNROLL-NEXT: s_mov_b32 s3, 0xf000 ; UNROLL-NEXT: s_mov_b64 s[0:1], 0 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:1 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:2 ; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3 ; UNROLL-NEXT: s_endpgm call void @llvm.memset.p1i8.i32(i8 addrspace(1)* %dst, i8 %val, i32 4, i1 false) ret void }