annotate test/CodeGen/AMDGPU/no-shrink-extloads.ll @ 100:7d135dc70f03 LLVM 3.9

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=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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2
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3 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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4
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5 ; Make sure we don't turn the 32-bit argument load into a 16-bit
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6 ; load. There aren't extending scalar lods, so that would require
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7 ; using a buffer_load instruction.
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8
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9 ; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i16:
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10 ; SI: s_load_dword s
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11 ; SI: buffer_store_short v
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12 define void @truncate_kernarg_i32_to_i16(i16 addrspace(1)* %out, i32 %arg) nounwind {
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13 %trunc = trunc i32 %arg to i16
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14 store i16 %trunc, i16 addrspace(1)* %out
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15 ret void
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16 }
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17
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18 ; It should be OK (and probably performance neutral) to reduce this,
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19 ; but we don't know if the load is uniform yet.
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20
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21 ; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i16:
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22 ; SI: buffer_load_dword v
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23 ; SI: buffer_store_short v
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24 define void @truncate_buffer_load_i32_to_i16(i16 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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25 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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26 %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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27 %gep.out = getelementptr i16, i16 addrspace(1)* %out, i32 %tid
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28 %load = load i32, i32 addrspace(1)* %gep.in
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29 %trunc = trunc i32 %load to i16
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30 store i16 %trunc, i16 addrspace(1)* %gep.out
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31 ret void
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32 }
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33
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34 ; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i8:
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35 ; SI: s_load_dword s
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36 ; SI: buffer_store_byte v
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37 define void @truncate_kernarg_i32_to_i8(i8 addrspace(1)* %out, i32 %arg) nounwind {
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38 %trunc = trunc i32 %arg to i8
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39 store i8 %trunc, i8 addrspace(1)* %out
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40 ret void
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41 }
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42
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43 ; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i8:
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44 ; SI: buffer_load_dword v
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45 ; SI: buffer_store_byte v
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46 define void @truncate_buffer_load_i32_to_i8(i8 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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47 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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48 %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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49 %gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
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50 %load = load i32, i32 addrspace(1)* %gep.in
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51 %trunc = trunc i32 %load to i8
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52 store i8 %trunc, i8 addrspace(1)* %gep.out
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53 ret void
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54 }
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55
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56 ; FUNC-LABEL: {{^}}truncate_kernarg_i32_to_i1:
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57 ; SI: s_load_dword s
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58 ; SI: buffer_store_byte v
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59 define void @truncate_kernarg_i32_to_i1(i1 addrspace(1)* %out, i32 %arg) nounwind {
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60 %trunc = trunc i32 %arg to i1
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61 store i1 %trunc, i1 addrspace(1)* %out
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62 ret void
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63 }
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64
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65 ; FUNC-LABEL: {{^}}truncate_buffer_load_i32_to_i1:
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66 ; SI: buffer_load_dword v
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67 ; SI: buffer_store_byte v
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68 define void @truncate_buffer_load_i32_to_i1(i1 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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69 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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70 %gep.in = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
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71 %gep.out = getelementptr i1, i1 addrspace(1)* %out, i32 %tid
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72 %load = load i32, i32 addrspace(1)* %gep.in
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73 %trunc = trunc i32 %load to i1
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74 store i1 %trunc, i1 addrspace(1)* %gep.out
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75 ret void
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76 }
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77
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78 ; FUNC-LABEL: {{^}}truncate_kernarg_i64_to_i32:
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79 ; SI: s_load_dword s
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80 ; SI: buffer_store_dword v
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81 define void @truncate_kernarg_i64_to_i32(i32 addrspace(1)* %out, i64 %arg) nounwind {
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82 %trunc = trunc i64 %arg to i32
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83 store i32 %trunc, i32 addrspace(1)* %out
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84 ret void
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85 }
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86
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87 ; FUNC-LABEL: {{^}}truncate_buffer_load_i64_to_i32:
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88 ; SI: buffer_load_dword v
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89 ; SI: buffer_store_dword v
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90 define void @truncate_buffer_load_i64_to_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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91 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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92 %gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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93 %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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94 %load = load i64, i64 addrspace(1)* %gep.in
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95 %trunc = trunc i64 %load to i32
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96 store i32 %trunc, i32 addrspace(1)* %gep.out
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97 ret void
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98 }
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99
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100 ; FUNC-LABEL: {{^}}srl_kernarg_i64_to_i32:
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101 ; SI: s_load_dword s
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102 ; SI: buffer_store_dword v
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103 define void @srl_kernarg_i64_to_i32(i32 addrspace(1)* %out, i64 %arg) nounwind {
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104 %srl = lshr i64 %arg, 32
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105 %trunc = trunc i64 %srl to i32
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106 store i32 %trunc, i32 addrspace(1)* %out
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107 ret void
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108 }
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109
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110 ; FUNC-LABEL: {{^}}srl_buffer_load_i64_to_i32:
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111 ; SI: buffer_load_dword v
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112 ; SI: buffer_store_dword v
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113 define void @srl_buffer_load_i64_to_i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
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114 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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115 %gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
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116 %gep.out = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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117 %load = load i64, i64 addrspace(1)* %gep.in
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118 %srl = lshr i64 %load, 32
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119 %trunc = trunc i64 %srl to i32
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120 store i32 %trunc, i32 addrspace(1)* %gep.out
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diff changeset
121 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
124 ; Might as well reduce to 8-bit loads.
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
125 ; FUNC-LABEL: {{^}}truncate_kernarg_i16_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 ; SI: s_load_dword s
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 define void @truncate_kernarg_i16_to_i8(i8 addrspace(1)* %out, i16 %arg) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 %trunc = trunc i16 %arg to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130 store i8 %trunc, i8 addrspace(1)* %out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 ; FUNC-LABEL: {{^}}truncate_buffer_load_i16_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 ; SI: buffer_load_ubyte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 define void @truncate_buffer_load_i16_to_i8(i8 addrspace(1)* %out, i16 addrspace(1)* %in) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 %gep.in = getelementptr i16, i16 addrspace(1)* %in, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 %gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 %load = load i16, i16 addrspace(1)* %gep.in
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 %trunc = trunc i16 %load to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 store i8 %trunc, i8 addrspace(1)* %gep.out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 ; FUNC-LABEL: {{^}}srl_kernarg_i64_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148 ; SI: s_load_dword s
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 define void @srl_kernarg_i64_to_i8(i8 addrspace(1)* %out, i64 %arg) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 %srl = lshr i64 %arg, 32
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 %trunc = trunc i64 %srl to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 store i8 %trunc, i8 addrspace(1)* %out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 ; FUNC-LABEL: {{^}}srl_buffer_load_i64_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 ; SI: buffer_load_dword v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 define void @srl_buffer_load_i64_to_i8(i8 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 %gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 %gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 %load = load i64, i64 addrspace(1)* %gep.in
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 %srl = lshr i64 %load, 32
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 %trunc = trunc i64 %srl to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 store i8 %trunc, i8 addrspace(1)* %gep.out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 ; FUNC-LABEL: {{^}}truncate_kernarg_i64_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 ; SI: s_load_dword s
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 define void @truncate_kernarg_i64_to_i8(i8 addrspace(1)* %out, i64 %arg) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 %trunc = trunc i64 %arg to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 store i8 %trunc, i8 addrspace(1)* %out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 }
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 ; FUNC-LABEL: {{^}}truncate_buffer_load_i64_to_i8:
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 ; SI: buffer_load_dword v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 ; SI: buffer_store_byte v
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 define void @truncate_buffer_load_i64_to_i8(i8 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 %gep.in = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 %gep.out = getelementptr i8, i8 addrspace(1)* %out, i32 %tid
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 %load = load i64, i64 addrspace(1)* %gep.in
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 %trunc = trunc i64 %load to i8
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 store i8 %trunc, i8 addrspace(1)* %gep.out
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 ret void
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 }
100
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
192
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
193 ; FUNC-LABEL: {{^}}smrd_mask_i32_to_i16
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
194 ; SI: s_load_dword [[LOAD:s[0-9]+]], s[{{[0-9]+}}:{{[0-9]+}}], 0x0
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
195 ; SI: s_waitcnt lgkmcnt(0)
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
196 ; SI: s_and_b32 s{{[0-9]+}}, [[LOAD]], 0xffff
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
197 define void @smrd_mask_i32_to_i16(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
198 entry:
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
199 %val = load i32, i32 addrspace(2)* %in
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
200 %mask = and i32 %val, 65535
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
201 store i32 %mask, i32 addrspace(1)* %out
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
202 ret void
7d135dc70f03 LLVM 3.9
Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
parents: 95
diff changeset
203 }