1 ; RUN: llc --march=mips64 -mcpu=mips64r2 < %s | FileCheck %s 2 3 ; Generated from the C program: 4 ; 5 ; #include <stdio.h> 6 ; #include <string.h> 7 ; 8 ; struct SmallStruct_1b { 9 ; char x1; 10 ; }; 11 ; 12 ; struct SmallStruct_2b { 13 ; char x1; 14 ; char x2; 15 ; }; 16 ; 17 ; struct SmallStruct_3b { 18 ; char x1; 19 ; char x2; 20 ; char x3; 21 ; }; 22 ; 23 ; struct SmallStruct_4b { 24 ; char x1; 25 ; char x2; 26 ; char x3; 27 ; char x4; 28 ; }; 29 ; 30 ; struct SmallStruct_5b { 31 ; char x1; 32 ; char x2; 33 ; char x3; 34 ; char x4; 35 ; char x5; 36 ; }; 37 ; 38 ; struct SmallStruct_6b { 39 ; char x1; 40 ; char x2; 41 ; char x3; 42 ; char x4; 43 ; char x5; 44 ; char x6; 45 ; }; 46 ; 47 ; struct SmallStruct_7b { 48 ; char x1; 49 ; char x2; 50 ; char x3; 51 ; char x4; 52 ; char x5; 53 ; char x6; 54 ; char x7; 55 ; }; 56 ; 57 ; struct SmallStruct_8b { 58 ; char x1; 59 ; char x2; 60 ; char x3; 61 ; char x4; 62 ; char x5; 63 ; char x6; 64 ; char x7; 65 ; char x8; 66 ; }; 67 ; 68 ; struct SmallStruct_9b { 69 ; char x1; 70 ; char x2; 71 ; char x3; 72 ; char x4; 73 ; char x5; 74 ; char x6; 75 ; char x7; 76 ; char x8; 77 ; char x9; 78 ; }; 79 ; 80 ; void varArgF_SmallStruct(char* c, ...); 81 ; 82 ; void smallStruct_1b(struct SmallStruct_1b* ss) { 83 ; varArgF_SmallStruct("", *ss); 84 ; } 85 ; 86 ; void smallStruct_2b(struct SmallStruct_2b* ss) { 87 ; varArgF_SmallStruct("", *ss); 88 ; } 89 ; 90 ; void smallStruct_3b(struct SmallStruct_3b* ss) 91 ; { 92 ; varArgF_SmallStruct("", *ss); 93 ; } 94 ; 95 ; void smallStruct_4b(struct SmallStruct_4b* ss) 96 ; { 97 ; varArgF_SmallStruct("", *ss); 98 ; } 99 ; 100 ; void smallStruct_5b(struct SmallStruct_5b* ss) 101 ; { 102 ; varArgF_SmallStruct("", *ss); 103 ; } 104 ; 105 ; void smallStruct_6b(struct SmallStruct_6b* ss) 106 ; { 107 ; varArgF_SmallStruct("", *ss); 108 ; } 109 ; 110 ; void smallStruct_7b(struct SmallStruct_7b* ss) 111 ; { 112 ; varArgF_SmallStruct("", *ss); 113 ; } 114 ; 115 ; void smallStruct_8b(struct SmallStruct_8b* ss) 116 ; { 117 ; varArgF_SmallStruct("", *ss); 118 ; } 119 ; 120 ; void smallStruct_9b(struct SmallStruct_9b* ss) 121 ; { 122 ; varArgF_SmallStruct("", *ss); 123 ; } 124 125 %struct.SmallStruct_1b = type { i8 } 126 %struct.SmallStruct_2b = type { i8, i8 } 127 %struct.SmallStruct_3b = type { i8, i8, i8 } 128 %struct.SmallStruct_4b = type { i8, i8, i8, i8 } 129 %struct.SmallStruct_5b = type { i8, i8, i8, i8, i8 } 130 %struct.SmallStruct_6b = type { i8, i8, i8, i8, i8, i8 } 131 %struct.SmallStruct_7b = type { i8, i8, i8, i8, i8, i8, i8 } 132 %struct.SmallStruct_8b = type { i8, i8, i8, i8, i8, i8, i8, i8 } 133 %struct.SmallStruct_9b = type { i8, i8, i8, i8, i8, i8, i8, i8, i8 } 134 135 @.str = private unnamed_addr constant [3 x i8] c"01\00", align 1 136 137 declare void @varArgF_SmallStruct(i8* %c, ...) 138 139 define void @smallStruct_1b(%struct.SmallStruct_1b* %ss) #0 { 140 entry: 141 %ss.addr = alloca %struct.SmallStruct_1b*, align 8 142 store %struct.SmallStruct_1b* %ss, %struct.SmallStruct_1b** %ss.addr, align 8 143 %0 = load %struct.SmallStruct_1b*, %struct.SmallStruct_1b** %ss.addr, align 8 144 %1 = bitcast %struct.SmallStruct_1b* %0 to { i8 }* 145 %2 = getelementptr { i8 }, { i8 }* %1, i32 0, i32 0 146 %3 = load i8, i8* %2, align 1 147 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i8 inreg %3) 148 ret void 149 ; CHECK-LABEL: smallStruct_1b: 150 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 56 151 } 152 153 define void @smallStruct_2b(%struct.SmallStruct_2b* %ss) #0 { 154 entry: 155 %ss.addr = alloca %struct.SmallStruct_2b*, align 8 156 store %struct.SmallStruct_2b* %ss, %struct.SmallStruct_2b** %ss.addr, align 8 157 %0 = load %struct.SmallStruct_2b*, %struct.SmallStruct_2b** %ss.addr, align 8 158 %1 = bitcast %struct.SmallStruct_2b* %0 to { i16 }* 159 %2 = getelementptr { i16 }, { i16 }* %1, i32 0, i32 0 160 %3 = load i16, i16* %2, align 1 161 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i16 inreg %3) 162 ret void 163 ; CHECK-LABEL: smallStruct_2b: 164 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 48 165 } 166 167 define void @smallStruct_3b(%struct.SmallStruct_3b* %ss) #0 { 168 entry: 169 %ss.addr = alloca %struct.SmallStruct_3b*, align 8 170 %.coerce = alloca { i24 } 171 store %struct.SmallStruct_3b* %ss, %struct.SmallStruct_3b** %ss.addr, align 8 172 %0 = load %struct.SmallStruct_3b*, %struct.SmallStruct_3b** %ss.addr, align 8 173 %1 = bitcast { i24 }* %.coerce to i8* 174 %2 = bitcast %struct.SmallStruct_3b* %0 to i8* 175 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 3, i32 0, i1 false) 176 %3 = getelementptr { i24 }, { i24 }* %.coerce, i32 0, i32 0 177 %4 = load i24, i24* %3, align 1 178 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i24 inreg %4) 179 ret void 180 ; CHECK-LABEL: smallStruct_3b: 181 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 40 182 } 183 184 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1 185 186 define void @smallStruct_4b(%struct.SmallStruct_4b* %ss) #0 { 187 entry: 188 %ss.addr = alloca %struct.SmallStruct_4b*, align 8 189 store %struct.SmallStruct_4b* %ss, %struct.SmallStruct_4b** %ss.addr, align 8 190 %0 = load %struct.SmallStruct_4b*, %struct.SmallStruct_4b** %ss.addr, align 8 191 %1 = bitcast %struct.SmallStruct_4b* %0 to { i32 }* 192 %2 = getelementptr { i32 }, { i32 }* %1, i32 0, i32 0 193 %3 = load i32, i32* %2, align 1 194 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i32 inreg %3) 195 ret void 196 ; CHECK-LABEL: smallStruct_4b: 197 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 32 198 } 199 200 define void @smallStruct_5b(%struct.SmallStruct_5b* %ss) #0 { 201 entry: 202 %ss.addr = alloca %struct.SmallStruct_5b*, align 8 203 %.coerce = alloca { i40 } 204 store %struct.SmallStruct_5b* %ss, %struct.SmallStruct_5b** %ss.addr, align 8 205 %0 = load %struct.SmallStruct_5b*, %struct.SmallStruct_5b** %ss.addr, align 8 206 %1 = bitcast { i40 }* %.coerce to i8* 207 %2 = bitcast %struct.SmallStruct_5b* %0 to i8* 208 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 5, i32 0, i1 false) 209 %3 = getelementptr { i40 }, { i40 }* %.coerce, i32 0, i32 0 210 %4 = load i40, i40* %3, align 1 211 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i40 inreg %4) 212 ret void 213 ; CHECK-LABEL: smallStruct_5b: 214 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24 215 } 216 217 define void @smallStruct_6b(%struct.SmallStruct_6b* %ss) #0 { 218 entry: 219 %ss.addr = alloca %struct.SmallStruct_6b*, align 8 220 %.coerce = alloca { i48 } 221 store %struct.SmallStruct_6b* %ss, %struct.SmallStruct_6b** %ss.addr, align 8 222 %0 = load %struct.SmallStruct_6b*, %struct.SmallStruct_6b** %ss.addr, align 8 223 %1 = bitcast { i48 }* %.coerce to i8* 224 %2 = bitcast %struct.SmallStruct_6b* %0 to i8* 225 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i32 0, i1 false) 226 %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0 227 %4 = load i48, i48* %3, align 1 228 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4) 229 ret void 230 ; CHECK-LABEL: smallStruct_6b: 231 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16 232 } 233 234 define void @smallStruct_7b(%struct.SmallStruct_7b* %ss) #0 { 235 entry: 236 %ss.addr = alloca %struct.SmallStruct_7b*, align 8 237 %.coerce = alloca { i56 } 238 store %struct.SmallStruct_7b* %ss, %struct.SmallStruct_7b** %ss.addr, align 8 239 %0 = load %struct.SmallStruct_7b*, %struct.SmallStruct_7b** %ss.addr, align 8 240 %1 = bitcast { i56 }* %.coerce to i8* 241 %2 = bitcast %struct.SmallStruct_7b* %0 to i8* 242 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 7, i32 0, i1 false) 243 %3 = getelementptr { i56 }, { i56 }* %.coerce, i32 0, i32 0 244 %4 = load i56, i56* %3, align 1 245 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i56 inreg %4) 246 ret void 247 ; CHECK-LABEL: smallStruct_7b: 248 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 8 249 } 250 251 define void @smallStruct_8b(%struct.SmallStruct_8b* %ss) #0 { 252 entry: 253 %ss.addr = alloca %struct.SmallStruct_8b*, align 8 254 store %struct.SmallStruct_8b* %ss, %struct.SmallStruct_8b** %ss.addr, align 8 255 %0 = load %struct.SmallStruct_8b*, %struct.SmallStruct_8b** %ss.addr, align 8 256 %1 = bitcast %struct.SmallStruct_8b* %0 to { i64 }* 257 %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0 258 %3 = load i64, i64* %2, align 1 259 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3) 260 ret void 261 ; CHECK-LABEL: smallStruct_8b: 262 ; CHECK-NOT: dsll 263 } 264 265 define void @smallStruct_9b(%struct.SmallStruct_9b* %ss) #0 { 266 entry: 267 %ss.addr = alloca %struct.SmallStruct_9b*, align 8 268 %.coerce = alloca { i64, i8 } 269 store %struct.SmallStruct_9b* %ss, %struct.SmallStruct_9b** %ss.addr, align 8 270 %0 = load %struct.SmallStruct_9b*, %struct.SmallStruct_9b** %ss.addr, align 8 271 %1 = bitcast { i64, i8 }* %.coerce to i8* 272 %2 = bitcast %struct.SmallStruct_9b* %0 to i8* 273 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 9, i32 0, i1 false) 274 %3 = getelementptr { i64, i8 }, { i64, i8 }* %.coerce, i32 0, i32 0 275 %4 = load i64, i64* %3, align 1 276 %5 = getelementptr { i64, i8 }, { i64, i8 }* %.coerce, i32 0, i32 1 277 %6 = load i8, i8* %5, align 1 278 call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %4, i8 inreg %6) 279 ret void 280 ; CHECK-LABEL: smallStruct_9b: 281 ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 56 282 } 283
