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annotate llvm/test/CodeGen/AMDGPU/llvm.amdgcn.rcp.legacy.ll @ 223:5f17cb93ff66 llvm-original

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LLVM13 (2021/7/18)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 18 Jul 2021 22:43:00 +0900
parents 1d019706d866
children 1f2b6ac9f198
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1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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2 ; RUN: not llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=ERROR %s
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3
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4 ; ERROR: error: <unknown>:0:0: in function rcp_legacy_f32 void (float addrspace(1)*, float): intrinsic not supported on subtarget
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5
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6 declare float @llvm.amdgcn.rcp.legacy(float) #0
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7
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8 ; GCN-LABEL: {{^}}rcp_legacy_f32:
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9 ; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
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10 define amdgpu_kernel void @rcp_legacy_f32(float addrspace(1)* %out, float %src) #1 {
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11 %rcp = call float @llvm.amdgcn.rcp.legacy(float %src) #0
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12 store float %rcp, float addrspace(1)* %out, align 4
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13 ret void
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14 }
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15
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16 ; TODO: Really these should be constant folded
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17 ; GCN-LABEL: {{^}}rcp_legacy_f32_constant_4.0
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18 ; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, 4.0
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19 define amdgpu_kernel void @rcp_legacy_f32_constant_4.0(float addrspace(1)* %out) #1 {
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20 %rcp = call float @llvm.amdgcn.rcp.legacy(float 4.0) #0
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21 store float %rcp, float addrspace(1)* %out, align 4
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22 ret void
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23 }
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24
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25 ; GCN-LABEL: {{^}}rcp_legacy_f32_constant_100.0
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26 ; GCN: v_rcp_legacy_f32_e32 {{v[0-9]+}}, 0x42c80000
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27 define amdgpu_kernel void @rcp_legacy_f32_constant_100.0(float addrspace(1)* %out) #1 {
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28 %rcp = call float @llvm.amdgcn.rcp.legacy(float 100.0) #0
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29 store float %rcp, float addrspace(1)* %out, align 4
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30 ret void
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31 }
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32
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33 ; GCN-LABEL: {{^}}rcp_legacy_undef_f32:
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34 ; GCN-NOT: v_rcp_legacy_f32
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35 define amdgpu_kernel void @rcp_legacy_undef_f32(float addrspace(1)* %out) #1 {
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36 %rcp = call float @llvm.amdgcn.rcp.legacy(float undef)
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37 store float %rcp, float addrspace(1)* %out, align 4
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38 ret void
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39 }
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40
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41 attributes #0 = { nounwind readnone }
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42 attributes #1 = { nounwind }