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e23fa40f7f
An encoding does not allow to use SDWA in an instruction with scalar operands, either literals or SGPRs. That is however possible to copy these operands into a VGPR first. Several copies of the value are produced if multiple SDWA conversions were done. To cleanup MachineLICM (to hoist copies out of loops), MachineCSE (to remove duplicate copies) and SIFoldOperands (to replace SGPR to VGPR copy with immediate copy right to the VGPR) runs are added after the SDWA pass. Differential Revision: https://reviews.llvm.org/D33583 llvm-svn: 304219
269 lines
12 KiB
LLVM
269 lines
12 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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declare half @llvm.fma.f16(half %a, half %b, half %c)
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declare <2 x half> @llvm.fma.v2f16(<2 x half> %a, <2 x half> %b, <2 x half> %c)
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; GCN-LABEL: {{^}}fma_f16
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; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
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; GCN: buffer_load_ushort v[[B_F16:[0-9]+]]
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; GCN: buffer_load_ushort v[[C_F16:[0-9]+]]
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; SI: v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32:[0-9]+]], v[[B_F16]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32:[0-9]+]], v[[C_F16]]
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; SI: v_fma_f32 v[[R_F32:[0-9]+]], v[[A_F32:[0-9]]], v[[B_F32:[0-9]]], v[[C_F32:[0-9]]]
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; SI: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
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; VI: v_fma_f16 v[[R_F16:[0-9]+]], v[[A_F16]], v[[B_F16]], v[[C_F16]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_f16(
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half addrspace(1)* %r,
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half addrspace(1)* %a,
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half addrspace(1)* %b,
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half addrspace(1)* %c) {
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%a.val = load half, half addrspace(1)* %a
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%b.val = load half, half addrspace(1)* %b
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%c.val = load half, half addrspace(1)* %c
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%r.val = call half @llvm.fma.f16(half %a.val, half %b.val, half %c.val)
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_f16_imm_a
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; GCN: buffer_load_ushort v[[B_F16:[0-9]+]]
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; GCN: buffer_load_ushort v[[C_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[A_F32:[0-9]+]], 0x40400000{{$}}
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; SI: v_cvt_f32_f16_e32 v[[B_F32:[0-9]+]], v[[B_F16]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32:[0-9]+]], v[[C_F16]]
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; SI: v_fma_f32 v[[R_F32:[0-9]+]], v[[A_F32:[0-9]]], v[[B_F32:[0-9]]], v[[C_F32:[0-9]]]
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; SI: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
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; VI: v_mov_b32_e32 v[[A_F16:[0-9]+]], 0x4200{{$}}
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; VI: v_fma_f16 v[[R_F16:[0-9]+]], v[[B_F16]], v[[A_F16]], v[[C_F16]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_f16_imm_a(
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half addrspace(1)* %r,
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half addrspace(1)* %b,
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half addrspace(1)* %c) {
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%b.val = load half, half addrspace(1)* %b
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%c.val = load half, half addrspace(1)* %c
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%r.val = call half @llvm.fma.f16(half 3.0, half %b.val, half %c.val)
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_f16_imm_b
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; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
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; GCN: buffer_load_ushort v[[C_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[B_F32:[0-9]+]], 0x40400000{{$}}
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; SI: v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32:[0-9]+]], v[[C_F16]]
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; SI: v_fma_f32 v[[R_F32:[0-9]+]], v[[A_F32:[0-9]]], v[[B_F32:[0-9]]], v[[C_F32:[0-9]]]
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; SI: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
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; VI: v_mov_b32_e32 v[[B_F16:[0-9]+]], 0x4200{{$}}
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; VI: v_fma_f16 v[[R_F16:[0-9]+]], v[[A_F16]], v[[B_F16]], v[[C_F16]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_f16_imm_b(
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half addrspace(1)* %r,
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half addrspace(1)* %a,
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half addrspace(1)* %c) {
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%a.val = load half, half addrspace(1)* %a
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%c.val = load half, half addrspace(1)* %c
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%r.val = call half @llvm.fma.f16(half %a.val, half 3.0, half %c.val)
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_f16_imm_c
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; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
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; GCN: buffer_load_ushort v[[B_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[C_F32:[0-9]+]], 0x40400000{{$}}
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; SI: v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32:[0-9]+]], v[[B_F16]]
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; SI: v_fma_f32 v[[R_F32:[0-9]+]], v[[A_F32:[0-9]]], v[[B_F32:[0-9]]], v[[C_F32:[0-9]]]
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; SI: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
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; VI: v_mov_b32_e32 v[[C_F16:[0-9]+]], 0x4200{{$}}
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; VI: v_fma_f16 v[[R_F16:[0-9]+]], v[[A_F16]], v[[B_F16]], v[[C_F16]]
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; GCN: buffer_store_short v[[R_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_f16_imm_c(
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half addrspace(1)* %r,
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half addrspace(1)* %a,
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half addrspace(1)* %b) {
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%a.val = load half, half addrspace(1)* %a
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%b.val = load half, half addrspace(1)* %b
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%r.val = call half @llvm.fma.f16(half %a.val, half %b.val, half 3.0)
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store half %r.val, half addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_v2f16
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; GCN: buffer_load_dword v[[A_V2_F16:[0-9]+]]
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; GCN: buffer_load_dword v[[B_V2_F16:[0-9]+]]
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; GCN: buffer_load_dword v[[C_V2_F16:[0-9]+]]
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; SI: v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32_0:[0-9]+]], v[[B_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32_0:[0-9]+]], v[[C_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[C_F16_1:[0-9]+]], 16, v[[C_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32_1:[0-9]+]], v[[B_F16_1]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32_1:[0-9]+]], v[[C_F16_1]]
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; SI-DAG: v_fma_f32 v[[R_F32_0:[0-9]+]], v[[A_F32_0]], v[[B_F32_0]], v[[C_F32_0]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
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; SI-DAG: v_fma_f32 v[[R_F32_1:[0-9]+]], v[[A_F32_1]], v[[B_F32_1]], v[[C_F32_1]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]
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; VI: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; VI: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
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; VI: v_lshrrev_b32_e32 v[[C_F16_1:[0-9]+]], 16, v[[C_V2_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_0:[0-9]+]], v[[A_V2_F16]], v[[B_V2_F16]], v[[C_V2_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_1:[0-9]+]], v[[A_F16_1]], v[[B_F16_1]], v[[C_F16_1]]
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; GCN-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; GCN-NOT: and
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_0]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_v2f16(
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<2 x half> addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %b,
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<2 x half> addrspace(1)* %c) {
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%c.val = load <2 x half>, <2 x half> addrspace(1)* %c
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%r.val = call <2 x half> @llvm.fma.v2f16(<2 x half> %a.val, <2 x half> %b.val, <2 x half> %c.val)
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_v2f16_imm_a:
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; GCN: buffer_load_dword v[[B_V2_F16:[0-9]+]]
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; GCN: buffer_load_dword v[[C_V2_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[A_F32:[0-9]+]], 0x40400000{{$}}
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; VI: v_mov_b32_e32 v[[A_F16:[0-9]+]], 0x4200{{$}}
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; GCN-DAG: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
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; GCN-DAG: v_lshrrev_b32_e32 v[[C_F16_1:[0-9]+]], 16, v[[C_V2_F16]]
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; SI-DAG: v_cvt_f32_f16_e32 v[[B_F32_0:[0-9]+]], v[[B_V2_F16]]
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; SI-DAG: v_cvt_f32_f16_e32 v[[C_F32_0:[0-9]+]], v[[C_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32_1:[0-9]+]], v[[B_F16_1]]
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; SI: v_cvt_f32_f16_e32 v[[C_F32_1:[0-9]+]], v[[C_F16_1]]
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; SI: v_fma_f32 v[[R_F32_0:[0-9]+]], v[[B_F32_0]], v[[A_F32]], v[[C_F32_0]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
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; SI-DAG: v_fma_f32 v[[R_F32_1:[0-9]+]], v[[B_F32_1]], v[[A_F32]], v[[C_F32_1]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]
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; VI-DAG: v_fma_f16 v[[R_F16_1:[0-9]+]], v[[C_F16_1]], v[[A_F16]], v[[B_F16_1]]
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; VI-DAG: v_fma_f16 v[[R_F16_0:[0-9]+]], v[[C_V2_F16]], v[[A_F16]], v[[B_V2_F16]]
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; GCN-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; GCN-NOT: and
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_0]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_v2f16_imm_a(
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<2 x half> addrspace(1)* %r,
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<2 x half> addrspace(1)* %b,
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<2 x half> addrspace(1)* %c) {
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%c.val = load <2 x half>, <2 x half> addrspace(1)* %c
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%r.val = call <2 x half> @llvm.fma.v2f16(<2 x half> <half 3.0, half 3.0>, <2 x half> %b.val, <2 x half> %c.val)
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_v2f16_imm_b:
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; SI: buffer_load_dword v[[A_V2_F16:[0-9]+]]
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; SI: buffer_load_dword v[[C_V2_F16:[0-9]+]]
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; VI: buffer_load_dword v[[C_V2_F16:[0-9]+]]
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; VI: buffer_load_dword v[[A_V2_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[B_F32:[0-9]+]], 0x40400000{{$}}
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; VI: v_mov_b32_e32 v[[B_F16:[0-9]+]], 0x4200{{$}}
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; SI: v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; SI-DAG: v_cvt_f32_f16_e32 v[[C_F32_0:[0-9]+]], v[[C_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[C_F16_1:[0-9]+]], 16, v[[C_V2_F16]]
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; SI-DAG: v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]]
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; SI-DAG: v_cvt_f32_f16_e32 v[[C_F32_1:[0-9]+]], v[[C_F16_1]]
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; SI-DAG: v_fma_f32 v[[R_F32_0:[0-9]+]], v[[A_F32_0]], v[[B_F32]], v[[C_F32_0]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
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; SI-DAG: v_fma_f32 v[[R_F32_1:[0-9]+]], v[[A_F32_1]], v[[B_F32]], v[[C_F32_1]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]
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; VI-DAG: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; VI-DAG: v_lshrrev_b32_e32 v[[C_F16_1:[0-9]+]], 16, v[[C_V2_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_0:[0-9]+]], v[[A_V2_F16]], v[[B_F16]], v[[C_V2_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_1:[0-9]+]], v[[A_F16_1]], v[[B_F16]], v[[C_F16_1]]
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; GCN-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; GCN-NOT: and
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_0]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_v2f16_imm_b(
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<2 x half> addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %c) {
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%c.val = load <2 x half>, <2 x half> addrspace(1)* %c
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%r.val = call <2 x half> @llvm.fma.v2f16(<2 x half> %a.val, <2 x half> <half 3.0, half 3.0>, <2 x half> %c.val)
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}fma_v2f16_imm_c:
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; SI: buffer_load_dword v[[A_V2_F16:[0-9]+]]
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; SI: buffer_load_dword v[[B_V2_F16:[0-9]+]]
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; VI: buffer_load_dword v[[B_V2_F16:[0-9]+]]
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; VI: buffer_load_dword v[[A_V2_F16:[0-9]+]]
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; SI: v_mov_b32_e32 v[[C_F32:[0-9]+]], 0x40400000{{$}}
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; VI: v_mov_b32_e32 v[[C_F16:[0-9]+]], 0x4200{{$}}
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; SI: v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32_0:[0-9]+]], v[[B_V2_F16]]
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; SI: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
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; SI: v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]]
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; SI: v_cvt_f32_f16_e32 v[[B_F32_1:[0-9]+]], v[[B_F16_1]]
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; SI: v_fma_f32 v[[R_F32_0:[0-9]+]], v[[A_F32_0]], v[[B_F32_0]], v[[C_F32]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
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; SI-DAG: v_fma_f32 v[[R_F32_1:[0-9]+]], v[[A_F32_1]], v[[B_F32_1]], v[[C_F32]]
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; SI-DAG: v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]
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; SI-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
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; VI-DAG: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
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; VI-DAG: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_0:[0-9]+]], v[[A_V2_F16]], v[[B_V2_F16]], v[[C_F16]]
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; VI-DAG: v_fma_f16 v[[R_F16_1:[0-9]+]], v[[A_F16_1]], v[[B_F16_1]], v[[C_F16]]
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; GCN-NOT: and
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; GCN: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_HI]], v[[R_F16_0]]
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; GCN: buffer_store_dword v[[R_V2_F16]]
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; GCN: s_endpgm
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define amdgpu_kernel void @fma_v2f16_imm_c(
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<2 x half> addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %b) {
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%r.val = call <2 x half> @llvm.fma.v2f16(<2 x half> %a.val, <2 x half> %b.val, <2 x half> <half 3.0, half 3.0>)
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store <2 x half> %r.val, <2 x half> addrspace(1)* %r
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ret void
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}
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