1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -data-layout="e-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,LE 3; RUN: opt < %s -data-layout="E-p:64:64:64-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-ni:2" -passes=instsimplify -S | FileCheck %s --check-prefixes=CHECK,BE 4 5; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE} 6@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 } 7@g2 = constant double 1.0 8; { 0x7B, 0x06B1BFF8 } 9@g3 = constant {i64, i64} { i64 123, i64 112312312 } 10 11; Simple load 12define i32 @test1() { 13; CHECK-LABEL: @test1( 14; CHECK-NEXT: ret i32 -559038737 15; 16 %r = load i32, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0) 17 ret i32 %r 18} 19 20; PR3152 21; Load of first 16 bits of 32-bit value. 22define i16 @test2() { 23; LE-LABEL: @test2( 24; LE-NEXT: ret i16 -16657 25; 26; BE-LABEL: @test2( 27; BE-NEXT: ret i16 -8531 28; 29 %r = load i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0) 30 ret i16 %r 31} 32 33define i16 @test2_addrspacecast() { 34; LE-LABEL: @test2_addrspacecast( 35; LE-NEXT: ret i16 -16657 36; 37; BE-LABEL: @test2_addrspacecast( 38; BE-NEXT: ret i16 -8531 39; 40 %r = load i16, ptr addrspace(1) addrspacecast(ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0) to ptr addrspace(1)) 41 ret i16 %r 42} 43 44; Load of second 16 bits of 32-bit value. 45define i16 @test3() { 46; LE-LABEL: @test3( 47; LE-NEXT: ret i16 -8531 48; 49; BE-LABEL: @test3( 50; BE-NEXT: ret i16 -16657 51; 52 %r = load i16, ptr getelementptr(i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0), i32 1) 53 ret i16 %r 54} 55 56; Load of 8 bit field + tail padding. 57define i16 @test4() { 58; LE-LABEL: @test4( 59; LE-NEXT: ret i16 186 60; 61; BE-LABEL: @test4( 62; BE-NEXT: ret i16 -17920 63; 64 %r = load i16, ptr getelementptr(i16, ptr getelementptr ({{i32,i8},i32}, ptr @g1, i32 0, i32 0, i32 0), i32 2) 65 ret i16 %r 66} 67 68; Load of double bits. 69define i64 @test6() { 70; CHECK-LABEL: @test6( 71; CHECK-NEXT: ret i64 4607182418800017408 72; 73 %r = load i64, ptr @g2 74 ret i64 %r 75} 76 77; Load of double bits. 78define i16 @test7() { 79; LE-LABEL: @test7( 80; LE-NEXT: ret i16 0 81; 82; BE-LABEL: @test7( 83; BE-NEXT: ret i16 16368 84; 85 %r = load i16, ptr @g2 86 ret i16 %r 87} 88 89; Double load. 90define double @test8() { 91; LE-LABEL: @test8( 92; LE-NEXT: ret double 0xBADEADBEEF 93; 94; BE-LABEL: @test8( 95; BE-NEXT: ret double 0xDEADBEEFBA000000 96; 97 %r = load double, ptr @g1 98 ret double %r 99} 100 101 102; i128 load. 103define i128 @test_i128() { 104; LE-LABEL: @test_i128( 105; LE-NEXT: ret i128 2071796475790618158476296315 106; 107; BE-LABEL: @test_i128( 108; BE-NEXT: ret i128 2268949521066387161080 109; 110 %r = load i128, ptr @g3 111 ret i128 %r 112} 113 114define fp128 @test_fp128() { 115; LE-LABEL: @test_fp128( 116; LE-NEXT: ret fp128 0xL000000000000007B0000000006B1BFF8 117; 118; BE-LABEL: @test_fp128( 119; BE-NEXT: ret fp128 0xL0000000006B1BFF8000000000000007B 120; 121 %r = load fp128, ptr @g3 122 ret fp128 %r 123} 124 125define ppc_fp128 @test_ppc_fp128() { 126; LE-LABEL: @test_ppc_fp128( 127; LE-NEXT: ret ppc_fp128 bitcast (i128 2071796475790618158476296315 to ppc_fp128) 128; 129; BE-LABEL: @test_ppc_fp128( 130; BE-NEXT: ret ppc_fp128 bitcast (i128 2268949521066387161080 to ppc_fp128) 131; 132 %r = load ppc_fp128, ptr @g3 133 ret ppc_fp128 %r 134} 135 136define x86_fp80 @test_x86_fp80() { 137; LE-LABEL: @test_x86_fp80( 138; LE-NEXT: ret x86_fp80 0xKFFFF000000000000007B 139; 140; BE-LABEL: @test_x86_fp80( 141; BE-NEXT: ret x86_fp80 0xK000000000000007B0000 142; 143 %r = load x86_fp80, ptr @g3 144 ret x86_fp80 %r 145} 146 147define bfloat @test_bfloat() { 148; LE-LABEL: @test_bfloat( 149; LE-NEXT: ret bfloat 0xR007B 150; 151; BE-LABEL: @test_bfloat( 152; BE-NEXT: ret bfloat 0xR0000 153; 154 %r = load bfloat, ptr @g3 155 ret bfloat %r 156} 157 158; vector load. 159define <2 x i64> @test10() { 160; CHECK-LABEL: @test10( 161; CHECK-NEXT: ret <2 x i64> <i64 123, i64 112312312> 162; 163 %r = load <2 x i64>, ptr @g3 164 ret <2 x i64> %r 165} 166 167 168; PR5287 169; { 0xA1, 0x08 } 170@g4 = internal constant { i8, i8 } { i8 -95, i8 8 } 171 172define i16 @test11() nounwind { 173; LE-LABEL: @test11( 174; LE-NEXT: entry: 175; LE-NEXT: ret i16 2209 176; 177; BE-LABEL: @test11( 178; BE-NEXT: entry: 179; BE-NEXT: ret i16 -24312 180; 181entry: 182 %a = load i16, ptr @g4 183 ret i16 %a 184} 185 186 187; PR5551 188@test12g = private constant [6 x i8] c"a\00b\00\00\00" 189 190define i16 @test12() { 191; LE-LABEL: @test12( 192; LE-NEXT: ret i16 98 193; 194; BE-LABEL: @test12( 195; BE-NEXT: ret i16 25088 196; 197 %a = load i16, ptr getelementptr inbounds ([3 x i16], ptr @test12g, i32 0, i64 1) 198 ret i16 %a 199} 200 201 202; PR5978 203@g5 = constant i8 4 204define i1 @test13() { 205; CHECK-LABEL: @test13( 206; CHECK-NEXT: ret i1 false 207; 208 %A = load i1, ptr @g5 209 ret i1 %A 210} 211 212@g6 = constant [2 x ptr] [ptr inttoptr (i64 1 to ptr), ptr inttoptr (i64 2 to ptr)] 213define i64 @test14() nounwind { 214; CHECK-LABEL: @test14( 215; CHECK-NEXT: entry: 216; CHECK-NEXT: ret i64 1 217; 218entry: 219 %tmp = load i64, ptr @g6 220 ret i64 %tmp 221} 222 223; Check with address space pointers 224@g6_as1 = constant [2 x ptr addrspace(1)] [ptr addrspace(1) inttoptr (i16 1 to ptr addrspace(1)), ptr addrspace(1) inttoptr (i16 2 to ptr addrspace(1))] 225define i16 @test14_as1() nounwind { 226; CHECK-LABEL: @test14_as1( 227; CHECK-NEXT: entry: 228; CHECK-NEXT: ret i16 1 229; 230entry: 231 %tmp = load i16, ptr @g6_as1 232 ret i16 %tmp 233} 234 235define i64 @test15() nounwind { 236; CHECK-LABEL: @test15( 237; CHECK-NEXT: entry: 238; CHECK-NEXT: ret i64 2 239; 240entry: 241 %tmp = load i64, ptr getelementptr inbounds ([2 x ptr], ptr @g6, i32 0, i64 1) 242 ret i64 %tmp 243} 244 245@gv7 = constant [4 x ptr] [ptr null, ptr inttoptr (i64 -14 to ptr), ptr null, ptr null] 246define i64 @test16.1() { 247; CHECK-LABEL: @test16.1( 248; CHECK-NEXT: ret i64 0 249; 250 %v = load i64, ptr @gv7, align 8 251 ret i64 %v 252} 253 254define i64 @test16.2() { 255; CHECK-LABEL: @test16.2( 256; CHECK-NEXT: ret i64 -14 257; 258 %v = load i64, ptr getelementptr inbounds ([4 x ptr], ptr @gv7, i64 0, i64 1), align 8 259 ret i64 %v 260} 261 262define i64 @test16.3() { 263; CHECK-LABEL: @test16.3( 264; CHECK-NEXT: ret i64 0 265; 266 %v = load i64, ptr getelementptr inbounds ([4 x ptr], ptr @gv7, i64 0, i64 2), align 8 267 ret i64 %v 268} 269 270@g7 = constant {[0 x i32], [0 x i8], ptr} { [0 x i32] poison, [0 x i8] poison, ptr null } 271 272define ptr @test_leading_zero_size_elems() { 273; CHECK-LABEL: @test_leading_zero_size_elems( 274; CHECK-NEXT: ret ptr null 275; 276 %v = load ptr, ptr @g7 277 ret ptr %v 278} 279 280@g8 = constant {[4294967295 x [0 x i32]], i64} { [4294967295 x [0 x i32]] poison, i64 123 } 281 282define i64 @test_leading_zero_size_elems_big() { 283; CHECK-LABEL: @test_leading_zero_size_elems_big( 284; CHECK-NEXT: ret i64 123 285; 286 %v = load i64, ptr @g8 287 ret i64 %v 288} 289 290@g9 = constant [4294967295 x [0 x i32]] zeroinitializer 291 292define i64 @test_array_of_zero_size_array() { 293; CHECK-LABEL: @test_array_of_zero_size_array( 294; CHECK-NEXT: ret i64 poison 295; 296 %v = load i64, ptr @g9 297 ret i64 %v 298} 299 300@g_undef = constant { i128 } undef 301 302define ptr @test_undef_aggregate() { 303; CHECK-LABEL: @test_undef_aggregate( 304; CHECK-NEXT: ret ptr undef 305; 306 %v = load ptr, ptr @g_undef 307 ret ptr %v 308} 309 310@g_poison = constant { i128 } poison 311 312define ptr @test_poison_aggregate() { 313; CHECK-LABEL: @test_poison_aggregate( 314; CHECK-NEXT: ret ptr poison 315; 316 %v = load ptr, ptr @g_poison 317 ret ptr %v 318} 319 320@g11 = constant <{ [8 x i8], [8 x i8] }> <{ [8 x i8] poison, [8 x i8] zeroinitializer }>, align 4 321 322define ptr @test_trailing_zero_gep_index() { 323; CHECK-LABEL: @test_trailing_zero_gep_index( 324; CHECK-NEXT: ret ptr null 325; 326 %v = load ptr, ptr getelementptr inbounds (<{ [8 x i8], [8 x i8] }>, ptr @g11, i32 0, i32 1, i32 0), align 4 327 ret ptr %v 328} 329 330define { i64, i64 } @test_load_struct() { 331; CHECK-LABEL: @test_load_struct( 332; CHECK-NEXT: ret { i64, i64 } { i64 123, i64 112312312 } 333; 334 %v = load { i64, i64 }, ptr @g3 335 ret { i64, i64 } %v 336} 337 338@g_offset = external global i64 339 340@g_neg_one_vec = constant <4 x i8> <i8 -1, i8 -1, i8 -1, i8 -1> 341 342define i8 @load_neg_one_at_unknown_offset() { 343; CHECK-LABEL: @load_neg_one_at_unknown_offset( 344; CHECK-NEXT: ret i8 -1 345; 346 %v = load i8, ptr getelementptr (<4 x i8>, ptr @g_neg_one_vec, i64 0, i64 ptrtoint (ptr @g_offset to i64)) 347 ret i8 %v 348} 349 350@g_with_padding = constant { i32, [4 x i8] } { i32 0, [4 x i8] poison } 351 352define i32 @load_padding() { 353; CHECK-LABEL: @load_padding( 354; CHECK-NEXT: ret i32 poison 355; 356 %v = load i32, ptr getelementptr (i32, ptr @g_with_padding, i64 1) 357 ret i32 %v 358} 359 360@g_all_poison = constant { i32, [4 x i8] } poison 361 362; Same as the previous case, but with an all-poison initializer. 363define i32 @load_all_poison() { 364; CHECK-LABEL: @load_all_poison( 365; CHECK-NEXT: ret i32 poison 366; 367 %v = load i32, ptr getelementptr (i32, ptr @g_all_poison, i64 1) 368 ret i32 %v 369} 370 371@g_i8_data = constant [16 x i8] c"\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00" 372 373define ptr @load_ptr_from_i8_data() { 374; LE-LABEL: @load_ptr_from_i8_data( 375; LE-NEXT: ret ptr inttoptr (i64 1 to ptr) 376; 377; BE-LABEL: @load_ptr_from_i8_data( 378; BE-NEXT: ret ptr inttoptr (i64 72057594037927936 to ptr) 379; 380 %v = load ptr, ptr @g_i8_data 381 ret ptr %v 382} 383 384define ptr addrspace(2) @load_non_integral_ptr_from_i8_data() { 385; CHECK-LABEL: @load_non_integral_ptr_from_i8_data( 386; CHECK-NEXT: [[V:%.*]] = load ptr addrspace(2), ptr @g_i8_data, align 8 387; CHECK-NEXT: ret ptr addrspace(2) [[V]] 388; 389 %v = load ptr addrspace(2), ptr @g_i8_data 390 ret ptr addrspace(2) %v 391} 392 393@g_i1 = constant i1 true 394 395define i8 @load_i8_from_i1() { 396; CHECK-LABEL: @load_i8_from_i1( 397; CHECK-NEXT: [[V:%.*]] = load i8, ptr @g_i1, align 1 398; CHECK-NEXT: ret i8 [[V]] 399; 400 %v = load i8, ptr @g_i1 401 ret i8 %v 402} 403 404@global9 = internal constant i9 -1 405 406; Reproducer for https://github.com/llvm/llvm-project/issues/81793 407define i8 @load_i8_from_i9() { 408; CHECK-LABEL: @load_i8_from_i9( 409; CHECK-NEXT: [[V:%.*]] = load i8, ptr @global9, align 1 410; CHECK-NEXT: ret i8 [[V]] 411; 412 %v = load i8, ptr @global9 413 ret i8 %v 414} 415 416define i9 @load_i9_from_i9() { 417; CHECK-LABEL: @load_i9_from_i9( 418; CHECK-NEXT: ret i9 -1 419; 420 %v = load i9, ptr @global9 421 ret i9 %v 422} 423 424; Reproducer for https://github.com/llvm/llvm-project/issues/81793 425define i16 @load_i16_from_i17_store(ptr %p) { 426; CHECK-LABEL: @load_i16_from_i17_store( 427; CHECK-NEXT: store i17 -1, ptr [[P:%.*]], align 4 428; CHECK-NEXT: [[V:%.*]] = load i16, ptr @global9, align 2 429; CHECK-NEXT: ret i16 [[V]] 430; 431 store i17 -1, ptr %p 432 %v = load i16, ptr @global9 433 ret i16 %v 434} 435 436@global128 = internal constant i128 1125899906842625 437define i128 @load-128bit(){ 438; CHECK-LABEL: @load-128bit( 439; CHECK-NEXT: ret i128 1125899906842625 440; 441 %1 = load i128, ptr @global128, align 4 442 ret i128 %1 443} 444