; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GFX6 %s
; RUN: llc -mtriple=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
; Tests whether a load chain of 8 constants gets vectorized into a wider load.
define amdgpu_kernel void @constant_load_v8f32(ptr addrspace(4) noalias nocapture readonly %weights, ptr addrspace(1) noalias nocapture %out_ptr) {
; GFX6-LABEL: constant_load_v8f32:
; GFX6: ; %bb.0: ; %entry
; GFX6-NEXT: s_load_dwordx4 s[8:11], s[2:3], 0x9
; GFX6-NEXT: s_waitcnt lgkmcnt(0)
; GFX6-NEXT: s_load_dword s16, s[10:11], 0x0
; GFX6-NEXT: s_load_dwordx8 s[0:7], s[8:9], 0x0
; GFX6-NEXT: s_mov_b32 s15, 0xf000
; GFX6-NEXT: s_mov_b32 s14, -1
; GFX6-NEXT: s_mov_b32 s12, s10
; GFX6-NEXT: s_mov_b32 s13, s11
; GFX6-NEXT: s_waitcnt lgkmcnt(0)
; GFX6-NEXT: v_mov_b32_e32 v0, s16
; GFX6-NEXT: v_add_f32_e32 v0, s0, v0
; GFX6-NEXT: v_add_f32_e32 v0, s1, v0
; GFX6-NEXT: v_add_f32_e32 v0, s2, v0
; GFX6-NEXT: v_add_f32_e32 v0, s3, v0
; GFX6-NEXT: v_add_f32_e32 v0, s4, v0
; GFX6-NEXT: v_add_f32_e32 v0, s5, v0
; GFX6-NEXT: v_add_f32_e32 v0, s6, v0
; GFX6-NEXT: v_add_f32_e32 v0, s7, v0
; GFX6-NEXT: buffer_store_dword v0, off, s[12:15], 0
; GFX6-NEXT: s_endpgm
;
; EG-LABEL: constant_load_v8f32:
; EG: ; %bb.0: ; %entry
; EG-NEXT: ALU 1, @12, KC0[CB0:0-32], KC1[]
; EG-NEXT: TEX 2 @6
; EG-NEXT: ALU 9, @14, KC0[CB0:0-32], KC1[]
; EG-NEXT: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
; EG-NEXT: CF_END
; EG-NEXT: PAD
; EG-NEXT: Fetch clause starting at 6:
; EG-NEXT: VTX_READ_128 T2.XYZW, T1.X, 0, #1
; EG-NEXT: VTX_READ_32 T0.X, T0.X, 0, #1
; EG-NEXT: VTX_READ_128 T1.XYZW, T1.X, 16, #1
; EG-NEXT: ALU clause starting at 12:
; EG-NEXT: MOV T0.X, KC0[2].Z,
; EG-NEXT: MOV * T1.X, KC0[2].Y,
; EG-NEXT: ALU clause starting at 14:
; EG-NEXT: ADD * T0.W, T2.X, T0.X,
; EG-NEXT: ADD * T0.W, T2.Y, PV.W,
; EG-NEXT: ADD * T0.W, T2.Z, PV.W,
; EG-NEXT: ADD * T0.W, T2.W, PV.W,
; EG-NEXT: ADD * T0.W, T1.X, PV.W,
; EG-NEXT: ADD * T0.W, T1.Y, PV.W,
; EG-NEXT: ADD * T0.W, T1.Z, PV.W,
; EG-NEXT: ADD T0.X, T1.W, PV.W,
; EG-NEXT: LSHR * T1.X, KC0[2].Z, literal.x,
; EG-NEXT: 2(2.802597e-45), 0(0.000000e+00)
;
; GFX12-LABEL: constant_load_v8f32:
; GFX12: ; %bb.0: ; %entry
; GFX12-NEXT: s_load_b128 s[8:11], s[2:3], 0x24
; GFX12-NEXT: s_wait_kmcnt 0x0
; GFX12-NEXT: s_load_b32 s12, s[10:11], 0x0
; GFX12-NEXT: s_load_b256 s[0:7], s[8:9], 0x0
; GFX12-NEXT: s_wait_kmcnt 0x0
; GFX12-NEXT: s_add_f32 s0, s0, s12
; GFX12-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | instskip(NEXT) | instid1(SALU_CYCLE_3)
; GFX12-NEXT: s_add_f32 s0, s1, s0
; GFX12-NEXT: s_add_f32 s0, s2, s0
; GFX12-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | instskip(NEXT) | instid1(SALU_CYCLE_3)
; GFX12-NEXT: s_add_f32 s0, s3, s0
; GFX12-NEXT: s_add_f32 s0, s4, s0
; GFX12-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | instskip(NEXT) | instid1(SALU_CYCLE_3)
; GFX12-NEXT: s_add_f32 s0, s5, s0
; GFX12-NEXT: s_add_f32 s0, s6, s0
; GFX12-NEXT: s_delay_alu instid0(SALU_CYCLE_3) | instskip(NEXT) | instid1(SALU_CYCLE_3)
; GFX12-NEXT: s_add_f32 s0, s7, s0
; GFX12-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, s0
; GFX12-NEXT: global_store_b32 v0, v1, s[10:11]
; GFX12-NEXT: s_nop 0
; GFX12-NEXT: s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
; GFX12-NEXT: s_endpgm
entry:
%out_ptr.promoted = load float, ptr addrspace(1) %out_ptr, align 4
%tmp = load float, ptr addrspace(4) %weights, align 4
%add = fadd float %tmp, %out_ptr.promoted
%arrayidx.1 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 1
%tmp1 = load float, ptr addrspace(4) %arrayidx.1, align 4
%add.1 = fadd float %tmp1, %add
%arrayidx.2 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 2
%tmp2 = load float, ptr addrspace(4) %arrayidx.2, align 4
%add.2 = fadd float %tmp2, %add.1
%arrayidx.3 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 3
%tmp3 = load float, ptr addrspace(4) %arrayidx.3, align 4
%add.3 = fadd float %tmp3, %add.2
%arrayidx.4 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 4
%tmp4 = load float, ptr addrspace(4) %arrayidx.4, align 4
%add.4 = fadd float %tmp4, %add.3
%arrayidx.5 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 5
%tmp5 = load float, ptr addrspace(4) %arrayidx.5, align 4
%add.5 = fadd float %tmp5, %add.4
%arrayidx.6 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 6
%tmp6 = load float, ptr addrspace(4) %arrayidx.6, align 4
%add.6 = fadd float %tmp6, %add.5
%arrayidx.7 = getelementptr inbounds float, ptr addrspace(4) %weights, i64 7
%tmp7 = load float, ptr addrspace(4) %arrayidx.7, align 4
%add.7 = fadd float %tmp7, %add.6
store float %add.7, ptr addrspace(1) %out_ptr, align 4
ret void
}
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