| ; 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-prefixes=GFX6 %s |
| ; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX8 %s |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11-TRUE16 %s |
| ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=-real-true16 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11-FAKE16 %s |
| ; RUN: llc -mtriple=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefixes=CYPRESS %s |
| ; RUN: llc -mtriple=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefixes=CAYMAN %s |
| |
| declare float @llvm.convert.from.fp16.f32(i16) nounwind readnone |
| |
| define amdgpu_kernel void @test_convert_fp16_to_fp32(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) nounwind { |
| ; GFX6-LABEL: test_convert_fp16_to_fp32: |
| ; GFX6: ; %bb.0: |
| ; GFX6-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x9 |
| ; GFX6-NEXT: s_mov_b32 s7, 0xf000 |
| ; GFX6-NEXT: s_mov_b32 s6, -1 |
| ; GFX6-NEXT: s_mov_b32 s10, s6 |
| ; GFX6-NEXT: s_mov_b32 s11, s7 |
| ; GFX6-NEXT: s_waitcnt lgkmcnt(0) |
| ; GFX6-NEXT: s_mov_b32 s8, s2 |
| ; GFX6-NEXT: s_mov_b32 s9, s3 |
| ; GFX6-NEXT: buffer_load_ushort v0, off, s[8:11], 0 |
| ; GFX6-NEXT: s_mov_b32 s4, s0 |
| ; GFX6-NEXT: s_mov_b32 s5, s1 |
| ; GFX6-NEXT: s_waitcnt vmcnt(0) |
| ; GFX6-NEXT: v_cvt_f32_f16_e32 v0, v0 |
| ; GFX6-NEXT: buffer_store_dword v0, off, s[4:7], 0 |
| ; GFX6-NEXT: s_endpgm |
| ; |
| ; GFX8-LABEL: test_convert_fp16_to_fp32: |
| ; GFX8: ; %bb.0: |
| ; GFX8-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x24 |
| ; GFX8-NEXT: s_mov_b32 s7, 0xf000 |
| ; GFX8-NEXT: s_mov_b32 s6, -1 |
| ; GFX8-NEXT: s_mov_b32 s10, s6 |
| ; GFX8-NEXT: s_mov_b32 s11, s7 |
| ; GFX8-NEXT: s_waitcnt lgkmcnt(0) |
| ; GFX8-NEXT: s_mov_b32 s8, s2 |
| ; GFX8-NEXT: s_mov_b32 s9, s3 |
| ; GFX8-NEXT: buffer_load_ushort v0, off, s[8:11], 0 |
| ; GFX8-NEXT: s_mov_b32 s4, s0 |
| ; GFX8-NEXT: s_mov_b32 s5, s1 |
| ; GFX8-NEXT: s_waitcnt vmcnt(0) |
| ; GFX8-NEXT: v_cvt_f32_f16_e32 v0, v0 |
| ; GFX8-NEXT: buffer_store_dword v0, off, s[4:7], 0 |
| ; GFX8-NEXT: s_endpgm |
| ; |
| ; GFX11-TRUE16-LABEL: test_convert_fp16_to_fp32: |
| ; GFX11-TRUE16: ; %bb.0: |
| ; GFX11-TRUE16-NEXT: s_load_b128 s[0:3], s[4:5], 0x24 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s6, -1 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s7, 0x31016000 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s10, s6 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s11, s7 |
| ; GFX11-TRUE16-NEXT: s_waitcnt lgkmcnt(0) |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s8, s2 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s9, s3 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s4, s0 |
| ; GFX11-TRUE16-NEXT: buffer_load_u16 v0, off, s[8:11], 0 |
| ; GFX11-TRUE16-NEXT: s_mov_b32 s5, s1 |
| ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) |
| ; GFX11-TRUE16-NEXT: v_cvt_f32_f16_e32 v0, v0.l |
| ; GFX11-TRUE16-NEXT: buffer_store_b32 v0, off, s[4:7], 0 |
| ; GFX11-TRUE16-NEXT: s_endpgm |
| ; |
| ; GFX11-FAKE16-LABEL: test_convert_fp16_to_fp32: |
| ; GFX11-FAKE16: ; %bb.0: |
| ; GFX11-FAKE16-NEXT: s_load_b128 s[0:3], s[4:5], 0x24 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s6, -1 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s7, 0x31016000 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s10, s6 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s11, s7 |
| ; GFX11-FAKE16-NEXT: s_waitcnt lgkmcnt(0) |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s8, s2 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s9, s3 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s4, s0 |
| ; GFX11-FAKE16-NEXT: buffer_load_u16 v0, off, s[8:11], 0 |
| ; GFX11-FAKE16-NEXT: s_mov_b32 s5, s1 |
| ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) |
| ; GFX11-FAKE16-NEXT: v_cvt_f32_f16_e32 v0, v0 |
| ; GFX11-FAKE16-NEXT: buffer_store_b32 v0, off, s[4:7], 0 |
| ; GFX11-FAKE16-NEXT: s_endpgm |
| ; |
| ; CYPRESS-LABEL: test_convert_fp16_to_fp32: |
| ; CYPRESS: ; %bb.0: |
| ; CYPRESS-NEXT: ALU 0, @8, KC0[CB0:0-32], KC1[] |
| ; CYPRESS-NEXT: TEX 0 @6 |
| ; CYPRESS-NEXT: ALU 2, @9, KC0[CB0:0-32], KC1[] |
| ; CYPRESS-NEXT: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1 |
| ; CYPRESS-NEXT: CF_END |
| ; CYPRESS-NEXT: PAD |
| ; CYPRESS-NEXT: Fetch clause starting at 6: |
| ; CYPRESS-NEXT: VTX_READ_16 T0.X, T0.X, 0, #1 |
| ; CYPRESS-NEXT: ALU clause starting at 8: |
| ; CYPRESS-NEXT: MOV * T0.X, KC0[2].Z, |
| ; CYPRESS-NEXT: ALU clause starting at 9: |
| ; CYPRESS-NEXT: FLT16_TO_FLT32 T0.X, T0.X, |
| ; CYPRESS-NEXT: LSHR * T1.X, KC0[2].Y, literal.x, |
| ; CYPRESS-NEXT: 2(2.802597e-45), 0(0.000000e+00) |
| ; |
| ; CAYMAN-LABEL: test_convert_fp16_to_fp32: |
| ; CAYMAN: ; %bb.0: |
| ; CAYMAN-NEXT: ALU 0, @8, KC0[CB0:0-32], KC1[] |
| ; CAYMAN-NEXT: TEX 0 @6 |
| ; CAYMAN-NEXT: ALU 2, @9, KC0[CB0:0-32], KC1[] |
| ; CAYMAN-NEXT: MEM_RAT_CACHELESS STORE_DWORD T0.X, T1.X |
| ; CAYMAN-NEXT: CF_END |
| ; CAYMAN-NEXT: PAD |
| ; CAYMAN-NEXT: Fetch clause starting at 6: |
| ; CAYMAN-NEXT: VTX_READ_16 T0.X, T0.X, 0, #1 |
| ; CAYMAN-NEXT: ALU clause starting at 8: |
| ; CAYMAN-NEXT: MOV * T0.X, KC0[2].Z, |
| ; CAYMAN-NEXT: ALU clause starting at 9: |
| ; CAYMAN-NEXT: FLT16_TO_FLT32 * T0.X, T0.X, |
| ; CAYMAN-NEXT: LSHR * T1.X, KC0[2].Y, literal.x, |
| ; CAYMAN-NEXT: 2(2.802597e-45), 0(0.000000e+00) |
| %val = load i16, ptr addrspace(1) %in, align 2 |
| %cvt = call float @llvm.convert.from.fp16.f32(i16 %val) nounwind readnone |
| store float %cvt, ptr addrspace(1) %out, align 4 |
| ret void |
| } |
