forked from OSchip/llvm-project
83 lines
3.8 KiB
LLVM
83 lines
3.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s
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; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs -amdgpu-mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s
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declare void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)*, i8 addrspace(1)*, i32, i1)
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define amdgpu_cs void @memmove_p1i8(i8 addrspace(1)* %dst, i8 addrspace(1)* %src) {
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; LOOP-LABEL: memmove_p1i8:
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; LOOP: ; %bb.0:
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; LOOP-NEXT: v_cmp_ge_u64_e32 vcc, v[2:3], v[0:1]
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; LOOP-NEXT: s_and_saveexec_b64 s[0:1], vcc
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; LOOP-NEXT: s_xor_b64 s[4:5], exec, s[0:1]
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; LOOP-NEXT: s_cbranch_execz .LBB0_3
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; LOOP-NEXT: ; %bb.1: ; %copy_forward
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; LOOP-NEXT: s_mov_b64 s[0:1], 0
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; LOOP-NEXT: s_mov_b32 s2, 0
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; LOOP-NEXT: s_mov_b32 s3, 0xf000
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; LOOP-NEXT: v_mov_b32_e32 v5, s1
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; LOOP-NEXT: v_mov_b32_e32 v4, s0
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; LOOP-NEXT: .LBB0_2: ; %copy_forward_loop
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; LOOP-NEXT: ; =>This Inner Loop Header: Depth=1
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; LOOP-NEXT: v_add_i32_e32 v6, vcc, v2, v4
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; LOOP-NEXT: v_addc_u32_e32 v7, vcc, v3, v5, vcc
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; LOOP-NEXT: s_waitcnt expcnt(0)
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; LOOP-NEXT: buffer_load_ubyte v8, v[6:7], s[0:3], 0 addr64
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; LOOP-NEXT: v_add_i32_e32 v6, vcc, v0, v4
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; LOOP-NEXT: v_addc_u32_e32 v7, vcc, v1, v5, vcc
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; LOOP-NEXT: v_add_i32_e32 v4, vcc, 1, v4
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; LOOP-NEXT: v_addc_u32_e32 v5, vcc, 0, v5, vcc
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; LOOP-NEXT: v_cmp_ne_u32_e32 vcc, 4, v4
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; LOOP-NEXT: s_waitcnt vmcnt(0)
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; LOOP-NEXT: buffer_store_byte v8, v[6:7], s[0:3], 0 addr64
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; LOOP-NEXT: s_cbranch_vccnz .LBB0_2
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; LOOP-NEXT: .LBB0_3: ; %Flow14
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; LOOP-NEXT: s_or_saveexec_b64 s[0:1], s[4:5]
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; LOOP-NEXT: s_xor_b64 exec, exec, s[0:1]
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; LOOP-NEXT: s_cbranch_execz .LBB0_6
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; LOOP-NEXT: ; %bb.4: ; %copy_backwards
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; LOOP-NEXT: s_mov_b64 s[4:5], 3
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; LOOP-NEXT: s_mov_b32 s2, 0
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; LOOP-NEXT: s_mov_b32 s3, 0xf000
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; LOOP-NEXT: s_mov_b64 s[0:1], 0
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; LOOP-NEXT: v_mov_b32_e32 v4, s4
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; LOOP-NEXT: v_mov_b32_e32 v5, s5
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; LOOP-NEXT: .LBB0_5: ; %copy_backwards_loop
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; LOOP-NEXT: ; =>This Inner Loop Header: Depth=1
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; LOOP-NEXT: v_add_i32_e32 v6, vcc, v2, v4
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; LOOP-NEXT: v_addc_u32_e32 v7, vcc, v3, v5, vcc
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; LOOP-NEXT: s_waitcnt expcnt(0)
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; LOOP-NEXT: buffer_load_ubyte v8, v[6:7], s[0:3], 0 addr64
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; LOOP-NEXT: v_add_i32_e32 v6, vcc, v0, v4
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; LOOP-NEXT: v_addc_u32_e32 v7, vcc, v1, v5, vcc
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; LOOP-NEXT: v_add_i32_e32 v4, vcc, -1, v4
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; LOOP-NEXT: v_addc_u32_e32 v5, vcc, -1, v5, vcc
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; LOOP-NEXT: v_cmp_eq_u32_e32 vcc, -1, v4
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; LOOP-NEXT: s_waitcnt vmcnt(0)
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; LOOP-NEXT: buffer_store_byte v8, v[6:7], s[0:3], 0 addr64
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; LOOP-NEXT: s_cbranch_vccz .LBB0_5
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; LOOP-NEXT: .LBB0_6: ; %memmove_done
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; LOOP-NEXT: s_endpgm
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;
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; UNROLL-LABEL: memmove_p1i8:
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; UNROLL: ; %bb.0:
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; UNROLL-NEXT: s_mov_b32 s2, 0
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; UNROLL-NEXT: s_mov_b32 s3, 0xf000
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; UNROLL-NEXT: s_mov_b64 s[0:1], 0
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; UNROLL-NEXT: buffer_load_ubyte v4, v[2:3], s[0:3], 0 addr64
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; UNROLL-NEXT: buffer_load_ubyte v5, v[2:3], s[0:3], 0 addr64 offset:1
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; UNROLL-NEXT: buffer_load_ubyte v6, v[2:3], s[0:3], 0 addr64 offset:2
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; UNROLL-NEXT: buffer_load_ubyte v2, v[2:3], s[0:3], 0 addr64 offset:3
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v4, v[0:1], s[0:3], 0 addr64
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v5, v[0:1], s[0:3], 0 addr64 offset:1
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v6, v[0:1], s[0:3], 0 addr64 offset:2
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
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; UNROLL-NEXT: s_endpgm
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call void @llvm.memmove.p1i8.p1i8.i32(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i32 4, i1 false)
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ret void
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}
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