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annotate test/CodeGen/AMDGPU/udiv.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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1 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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2 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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3 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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5 ; FUNC-LABEL: {{^}}udiv_i32:
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6 ; EG-NOT: SETGE_INT
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7 ; EG: CF_END
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8 define void @udiv_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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9 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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10 %a = load i32, i32 addrspace(1) * %in
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11 %b = load i32, i32 addrspace(1) * %b_ptr
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12 %result = udiv i32 %a, %b
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13 store i32 %result, i32 addrspace(1)* %out
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14 ret void
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15 }
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17 ; FUNC-LABEL: {{^}}s_udiv_i32:
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18
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19 define void @s_udiv_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
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20 %result = udiv i32 %a, %b
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21 store i32 %result, i32 addrspace(1)* %out
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22 ret void
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23 }
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24
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26 ; The code generated by udiv is long and complex and may frequently
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27 ; change. The goal of this test is to make sure the ISel doesn't fail
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28 ; when it gets a v4i32 udiv
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29
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30 ; FUNC-LABEL: {{^}}udiv_v2i32:
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31 ; EG: CF_END
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32
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33 ; SI: s_endpgm
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34 define void @udiv_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
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35 %b_ptr = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 1
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36 %a = load <2 x i32>, <2 x i32> addrspace(1) * %in
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37 %b = load <2 x i32>, <2 x i32> addrspace(1) * %b_ptr
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38 %result = udiv <2 x i32> %a, %b
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39 store <2 x i32> %result, <2 x i32> addrspace(1)* %out
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40 ret void
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41 }
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43 ; FUNC-LABEL: {{^}}udiv_v4i32:
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44 ; EG: CF_END
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45 ; SI: s_endpgm
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46 define void @udiv_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
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47 %b_ptr = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 1
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48 %a = load <4 x i32>, <4 x i32> addrspace(1) * %in
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49 %b = load <4 x i32>, <4 x i32> addrspace(1) * %b_ptr
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50 %result = udiv <4 x i32> %a, %b
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51 store <4 x i32> %result, <4 x i32> addrspace(1)* %out
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52 ret void
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53 }
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54
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55 ; FUNC-LABEL: {{^}}udiv_i32_div_pow2:
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56 ; SI: buffer_load_dword [[VAL:v[0-9]+]]
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57 ; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 4, [[VAL]]
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58 ; SI: buffer_store_dword [[RESULT]]
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59 define void @udiv_i32_div_pow2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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60 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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61 %a = load i32, i32 addrspace(1)* %in
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62 %result = udiv i32 %a, 16
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63 store i32 %result, i32 addrspace(1)* %out
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64 ret void
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65 }
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66
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67 ; FUNC-LABEL: {{^}}udiv_i32_div_k_even:
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68 ; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
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69 ; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0xfabbd9c1
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70 ; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
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71 ; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 25, [[MULHI]]
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72 ; SI: buffer_store_dword [[RESULT]]
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73 define void @udiv_i32_div_k_even(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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74 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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75 %a = load i32, i32 addrspace(1)* %in
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76 %result = udiv i32 %a, 34259182
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77 store i32 %result, i32 addrspace(1)* %out
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78 ret void
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79 }
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80
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81 ; FUNC-LABEL: {{^}}udiv_i32_div_k_odd:
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82 ; SI-DAG: buffer_load_dword [[VAL:v[0-9]+]]
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83 ; SI-DAG: v_mov_b32_e32 [[K:v[0-9]+]], 0x7d5deca3
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84 ; SI: v_mul_hi_u32 [[MULHI:v[0-9]+]], [[K]], [[VAL]]
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85 ; SI: v_lshrrev_b32_e32 [[RESULT:v[0-9]+]], 24, [[MULHI]]
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86 ; SI: buffer_store_dword [[RESULT]]
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87 define void @udiv_i32_div_k_odd(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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88 %b_ptr = getelementptr i32, i32 addrspace(1)* %in, i32 1
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89 %a = load i32, i32 addrspace(1)* %in
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90 %result = udiv i32 %a, 34259183
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91 store i32 %result, i32 addrspace(1)* %out
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92 ret void
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93 }