1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals 2; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=16 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM 3; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=16 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM 4; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM 5; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM 6 7target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8declare void @f(i32) 9declare token @llvm.call.preallocated.setup(i32) 10declare i8* @llvm.call.preallocated.arg(token, i32) 11 12@ConstAS3Ptr = addrspace(3) global i32 0, align 4 13 14;. 15; CHECK: @[[CONSTAS3PTR:[a-zA-Z0-9_$"\\.-]+]] = addrspace(3) global i32 0, align 4 16; CHECK: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external global [[STRUCT_X:%.*]] 17; CHECK: @[[G:[a-zA-Z0-9_$"\\.-]+]] = internal constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (void (i8***)* @f1 to i8*), i8* bitcast (void (i1 (i8*)*)* @f2 to i8*)] } 18;. 19define internal i32 addrspace(3)* @const_ptr_return_as3() { 20; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 21; IS__CGSCC____-LABEL: define {{[^@]+}}@const_ptr_return_as3 22; IS__CGSCC____-SAME: () #[[ATTR1:[0-9]+]] { 23; IS__CGSCC____-NEXT: ret i32 addrspace(3)* undef 24; 25 ret i32 addrspace(3)* @ConstAS3Ptr 26} 27define internal i32* @const_ptr_return() { 28; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 29; IS__CGSCC____-LABEL: define {{[^@]+}}@const_ptr_return 30; IS__CGSCC____-SAME: () #[[ATTR1]] { 31; IS__CGSCC____-NEXT: ret i32* undef 32; 33 ret i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*) 34} 35 36; Test1: Replace argument with constant 37define internal void @test1(i32 %a) { 38; CHECK-LABEL: define {{[^@]+}}@test1() { 39; CHECK-NEXT: tail call void @f(i32 noundef 1) 40; CHECK-NEXT: ret void 41; 42 tail call void @f(i32 %a) 43 ret void 44} 45 46define void @test1_helper() { 47; CHECK-LABEL: define {{[^@]+}}@test1_helper() { 48; CHECK-NEXT: tail call void @test1() 49; CHECK-NEXT: ret void 50; 51 tail call void @test1(i32 1) 52 ret void 53} 54 55; TEST 2 : Simplify return value 56define i32 @return0() { 57; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 58; IS__TUNIT____-LABEL: define {{[^@]+}}@return0 59; IS__TUNIT____-SAME: () #[[ATTR1:[0-9]+]] { 60; IS__TUNIT____-NEXT: ret i32 0 61; 62; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 63; IS__CGSCC____-LABEL: define {{[^@]+}}@return0 64; IS__CGSCC____-SAME: () #[[ATTR1]] { 65; IS__CGSCC____-NEXT: ret i32 0 66; 67 ret i32 0 68} 69 70define i32 @return1() { 71; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 72; IS__TUNIT____-LABEL: define {{[^@]+}}@return1 73; IS__TUNIT____-SAME: () #[[ATTR1]] { 74; IS__TUNIT____-NEXT: ret i32 1 75; 76; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 77; IS__CGSCC____-LABEL: define {{[^@]+}}@return1 78; IS__CGSCC____-SAME: () #[[ATTR1]] { 79; IS__CGSCC____-NEXT: ret i32 1 80; 81 ret i32 1 82} 83 84define i32 @test2_1(i1 %c) { 85; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 86; IS__TUNIT____-LABEL: define {{[^@]+}}@test2_1 87; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 88; IS__TUNIT____-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 89; IS__TUNIT____: if.true: 90; IS__TUNIT____-NEXT: [[RET0:%.*]] = add i32 0, 1 91; IS__TUNIT____-NEXT: br label [[END:%.*]] 92; IS__TUNIT____: if.false: 93; IS__TUNIT____-NEXT: br label [[END]] 94; IS__TUNIT____: end: 95; IS__TUNIT____-NEXT: [[RET:%.*]] = phi i32 [ [[RET0]], [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 96; IS__TUNIT____-NEXT: ret i32 1 97; 98; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 99; IS__CGSCC____-LABEL: define {{[^@]+}}@test2_1 100; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 101; IS__CGSCC____-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 102; IS__CGSCC____: if.true: 103; IS__CGSCC____-NEXT: [[RET0:%.*]] = add i32 0, 1 104; IS__CGSCC____-NEXT: br label [[END:%.*]] 105; IS__CGSCC____: if.false: 106; IS__CGSCC____-NEXT: br label [[END]] 107; IS__CGSCC____: end: 108; IS__CGSCC____-NEXT: [[RET:%.*]] = phi i32 [ [[RET0]], [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 109; IS__CGSCC____-NEXT: ret i32 1 110; 111 br i1 %c, label %if.true, label %if.false 112if.true: 113 %call = tail call i32 @return0() 114 %ret0 = add i32 %call, 1 115 br label %end 116if.false: 117 %ret1 = tail call i32 @return1() 118 br label %end 119end: 120 121 %ret = phi i32 [ %ret0, %if.true ], [ %ret1, %if.false ] 122 123 ret i32 1 124} 125 126 127 128define i32 @test2_2(i1 %c) { 129; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 130; IS__TUNIT____-LABEL: define {{[^@]+}}@test2_2 131; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 132; IS__TUNIT____-NEXT: ret i32 1 133; 134; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 135; IS__CGSCC____-LABEL: define {{[^@]+}}@test2_2 136; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 137; IS__CGSCC____-NEXT: ret i32 1 138; 139 %ret = tail call i32 @test2_1(i1 %c) 140 ret i32 %ret 141} 142 143declare void @use(i32) 144define void @test3(i1 %c) { 145; CHECK-LABEL: define {{[^@]+}}@test3 146; CHECK-SAME: (i1 [[C:%.*]]) { 147; CHECK-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 148; CHECK: if.true: 149; CHECK-NEXT: br label [[END:%.*]] 150; CHECK: if.false: 151; CHECK-NEXT: br label [[END]] 152; CHECK: end: 153; CHECK-NEXT: [[R:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 154; CHECK-NEXT: tail call void @use(i32 noundef 1) 155; CHECK-NEXT: ret void 156; 157 br i1 %c, label %if.true, label %if.false 158if.true: 159 br label %end 160if.false: 161 %ret1 = tail call i32 @return1() 162 br label %end 163end: 164 165 %r = phi i32 [ 1, %if.true ], [ %ret1, %if.false ] 166 167 tail call void @use(i32 %r) 168 ret void 169} 170 171define void @test-select-phi(i1 %c) { 172; CHECK-LABEL: define {{[^@]+}}@test-select-phi 173; CHECK-SAME: (i1 [[C:%.*]]) { 174; CHECK-NEXT: tail call void @use(i32 noundef 1) 175; CHECK-NEXT: [[SELECT_NOT_SAME:%.*]] = select i1 [[C]], i32 1, i32 0 176; CHECK-NEXT: tail call void @use(i32 noundef [[SELECT_NOT_SAME]]) 177; CHECK-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 178; CHECK: if-true: 179; CHECK-NEXT: br label [[END:%.*]] 180; CHECK: if-false: 181; CHECK-NEXT: br label [[END]] 182; CHECK: end: 183; CHECK-NEXT: [[PHI_SAME:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 184; CHECK-NEXT: [[PHI_NOT_SAME:%.*]] = phi i32 [ 0, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 185; CHECK-NEXT: [[PHI_SAME_PROP:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 186; CHECK-NEXT: [[PHI_SAME_UNDEF:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ undef, [[IF_FALSE]] ] 187; CHECK-NEXT: [[SELECT_NOT_SAME_UNDEF:%.*]] = select i1 [[C]], i32 [[PHI_NOT_SAME]], i32 undef 188; CHECK-NEXT: tail call void @use(i32 noundef 1) 189; CHECK-NEXT: tail call void @use(i32 noundef [[PHI_NOT_SAME]]) 190; CHECK-NEXT: tail call void @use(i32 noundef 1) 191; CHECK-NEXT: tail call void @use(i32 1) 192; CHECK-NEXT: tail call void @use(i32 [[SELECT_NOT_SAME_UNDEF]]) 193; CHECK-NEXT: ret void 194; 195 %select-same = select i1 %c, i32 1, i32 1 196 tail call void @use(i32 %select-same) 197 198 %select-not-same = select i1 %c, i32 1, i32 0 199 tail call void @use(i32 %select-not-same) 200 br i1 %c, label %if-true, label %if-false 201if-true: 202 br label %end 203if-false: 204 br label %end 205end: 206 %phi-same = phi i32 [ 1, %if-true ], [ 1, %if-false ] 207 %phi-not-same = phi i32 [ 0, %if-true ], [ 1, %if-false ] 208 %phi-same-prop = phi i32 [ 1, %if-true ], [ %select-same, %if-false ] 209 %phi-same-undef = phi i32 [ 1, %if-true ], [ undef, %if-false ] 210 %select-not-same-undef = select i1 %c, i32 %phi-not-same, i32 undef 211 212 213 tail call void @use(i32 %phi-same) 214 215 tail call void @use(i32 %phi-not-same) 216 217 tail call void @use(i32 %phi-same-prop) 218 219 tail call void @use(i32 %phi-same-undef) 220 221 tail call void @use(i32 %select-not-same-undef) 222 223 ret void 224 225} 226 227define i32 @ipccp1(i32 %a) { 228; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 229; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp1 230; IS__TUNIT____-SAME: (i32 returned [[A:%.*]]) #[[ATTR1]] { 231; IS__TUNIT____-NEXT: br i1 true, label [[T:%.*]], label [[F:%.*]] 232; IS__TUNIT____: t: 233; IS__TUNIT____-NEXT: ret i32 [[A]] 234; IS__TUNIT____: f: 235; IS__TUNIT____-NEXT: unreachable 236; 237; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 238; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp1 239; IS__CGSCC____-SAME: (i32 returned [[A:%.*]]) #[[ATTR1]] { 240; IS__CGSCC____-NEXT: br i1 true, label [[T:%.*]], label [[F:%.*]] 241; IS__CGSCC____: t: 242; IS__CGSCC____-NEXT: ret i32 [[A]] 243; IS__CGSCC____: f: 244; IS__CGSCC____-NEXT: unreachable 245; 246 br i1 true, label %t, label %f 247t: 248 ret i32 %a 249f: 250 %r = call i32 @ipccp1(i32 5) 251 ret i32 %r 252} 253 254define internal i1 @ipccp2i(i1 %a) { 255; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 256; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2i 257; IS__CGSCC____-SAME: () #[[ATTR1]] { 258; IS__CGSCC____-NEXT: br label [[T:%.*]] 259; IS__CGSCC____: t: 260; IS__CGSCC____-NEXT: ret i1 undef 261; IS__CGSCC____: f: 262; IS__CGSCC____-NEXT: unreachable 263; 264 br i1 %a, label %t, label %f 265t: 266 ret i1 %a 267f: 268 %r = call i1 @ipccp2i(i1 false) 269 ret i1 %r 270} 271 272define i1 @ipccp2() { 273; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 274; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp2 275; IS__TUNIT____-SAME: () #[[ATTR1]] { 276; IS__TUNIT____-NEXT: ret i1 true 277; 278; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 279; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2 280; IS__CGSCC____-SAME: () #[[ATTR1]] { 281; IS__CGSCC____-NEXT: ret i1 true 282; 283 %r = call i1 @ipccp2i(i1 true) 284 ret i1 %r 285} 286 287define internal i1 @ipccp2ib(i1 %a) { 288; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 289; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2ib 290; IS__CGSCC____-SAME: () #[[ATTR1]] { 291; IS__CGSCC____-NEXT: br label [[T:%.*]] 292; IS__CGSCC____: t: 293; IS__CGSCC____-NEXT: ret i1 undef 294; IS__CGSCC____: f: 295; IS__CGSCC____-NEXT: unreachable 296; 297 br i1 %a, label %t, label %f 298t: 299 ret i1 true 300f: 301 %r = call i1 @ipccp2ib(i1 false) 302 ret i1 %r 303} 304 305define i1 @ipccp2b() { 306; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 307; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp2b 308; IS__TUNIT____-SAME: () #[[ATTR1]] { 309; IS__TUNIT____-NEXT: ret i1 true 310; 311; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 312; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2b 313; IS__CGSCC____-SAME: () #[[ATTR1]] { 314; IS__CGSCC____-NEXT: ret i1 true 315; 316 %r = call i1 @ipccp2ib(i1 true) 317 ret i1 %r 318} 319 320define internal i32 @ipccp3i(i32 %a) { 321; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 322; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp3i 323; IS__CGSCC____-SAME: () #[[ATTR1]] { 324; IS__CGSCC____-NEXT: br label [[T:%.*]] 325; IS__CGSCC____: t: 326; IS__CGSCC____-NEXT: ret i32 undef 327; IS__CGSCC____: f: 328; IS__CGSCC____-NEXT: unreachable 329; 330 %c = icmp eq i32 %a, 7 331 br i1 %c, label %t, label %f 332t: 333 ret i32 %a 334f: 335 %r = call i32 @ipccp3i(i32 5) 336 ret i32 %r 337} 338 339define i32 @ipccp3() { 340; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 341; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp3 342; IS__TUNIT____-SAME: () #[[ATTR1]] { 343; IS__TUNIT____-NEXT: ret i32 7 344; 345; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 346; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp3 347; IS__CGSCC____-SAME: () #[[ATTR1]] { 348; IS__CGSCC____-NEXT: ret i32 7 349; 350 %r = call i32 @ipccp3i(i32 7) 351 ret i32 %r 352} 353 354define internal i32 @ipccp4ia(i1 %c) { 355; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 356; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ia 357; IS__CGSCC____-SAME: () #[[ATTR1]] { 358; IS__CGSCC____-NEXT: br label [[T:%.*]] 359; IS__CGSCC____: t: 360; IS__CGSCC____-NEXT: ret i32 undef 361; IS__CGSCC____: f: 362; IS__CGSCC____-NEXT: unreachable 363; 364 br i1 %c, label %t, label %f 365t: 366 ret i32 0 367f: 368 ret i32 1 369} 370define internal i32 @ipccp4ib(i32 %a) { 371; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 372; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ib 373; IS__CGSCC____-SAME: () #[[ATTR1]] { 374; IS__CGSCC____-NEXT: [[C:%.*]] = icmp eq i32 7, 7 375; IS__CGSCC____-NEXT: br i1 true, label [[T:%.*]], label [[F:%.*]] 376; IS__CGSCC____: t: 377; IS__CGSCC____-NEXT: ret i32 undef 378; IS__CGSCC____: f: 379; IS__CGSCC____-NEXT: unreachable 380; 381 %c = icmp eq i32 %a, 7 382 br i1 %c, label %t, label %f 383t: 384 %r = call i32 @ipccp4ia(i1 %c) 385 ret i32 %r 386f: 387 ret i32 1 388} 389 390define i32 @ipccp4(i1 %c) { 391; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 392; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp4 393; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 394; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 395; IS__TUNIT____: t: 396; IS__TUNIT____-NEXT: br label [[F]] 397; IS__TUNIT____: f: 398; IS__TUNIT____-NEXT: ret i32 0 399; 400; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 401; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4 402; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 403; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 404; IS__CGSCC____: t: 405; IS__CGSCC____-NEXT: br label [[F]] 406; IS__CGSCC____: f: 407; IS__CGSCC____-NEXT: ret i32 0 408; 409 br i1 %c, label %t, label %f 410t: 411 %q = call i32 @ipccp4ia(i1 undef) 412 br label %f 413f: 414 %r = call i32 @ipccp4ib(i32 7) 415 ret i32 %r 416} 417 418; Do not touch complicated arguments (for now) 419%struct.X = type { i8* } 420define internal i32* @test_inalloca(i32* inalloca(i32) %a) { 421; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 422; IS__TUNIT____-LABEL: define {{[^@]+}}@test_inalloca 423; IS__TUNIT____-SAME: (i32* noalias nofree nonnull returned writeonly inalloca(i32) dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 424; IS__TUNIT____-NEXT: ret i32* [[A]] 425; 426; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 427; IS__CGSCC____-LABEL: define {{[^@]+}}@test_inalloca 428; IS__CGSCC____-SAME: (i32* noalias nofree noundef nonnull returned writeonly inalloca(i32) dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 429; IS__CGSCC____-NEXT: ret i32* [[A]] 430; 431 ret i32* %a 432} 433define i32* @complicated_args_inalloca(i32* %arg) { 434; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 435; IS__TUNIT____-LABEL: define {{[^@]+}}@complicated_args_inalloca 436; IS__TUNIT____-SAME: (i32* nofree readnone "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 437; IS__TUNIT____-NEXT: [[CALL:%.*]] = call nonnull dereferenceable(4) i32* @test_inalloca(i32* noalias nofree writeonly inalloca(i32) "no-capture-maybe-returned" [[ARG]]) #[[ATTR1]] 438; IS__TUNIT____-NEXT: ret i32* [[CALL]] 439; 440; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 441; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_inalloca 442; IS__CGSCC____-SAME: (i32* nofree noundef nonnull readnone returned dereferenceable(4) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 443; IS__CGSCC____-NEXT: ret i32* [[ARG]] 444; 445 %call = call i32* @test_inalloca(i32* inalloca(i32) %arg) 446 ret i32* %call 447} 448 449define internal i32* @test_preallocated(i32* preallocated(i32) %a) { 450; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 451; IS__TUNIT____-LABEL: define {{[^@]+}}@test_preallocated 452; IS__TUNIT____-SAME: (i32* noalias nofree noundef nonnull returned writeonly preallocated(i32) align 4294967296 dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 453; IS__TUNIT____-NEXT: ret i32* [[A]] 454; 455; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 456; IS__CGSCC____-LABEL: define {{[^@]+}}@test_preallocated 457; IS__CGSCC____-SAME: (i32* noalias nofree noundef nonnull returned writeonly preallocated(i32) align 4294967296 dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 458; IS__CGSCC____-NEXT: ret i32* [[A]] 459; 460 ret i32* %a 461} 462define i32* @complicated_args_preallocated() { 463; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn 464; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 465; IS__TUNIT_OPM-SAME: () #[[ATTR0:[0-9]+]] { 466; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]] 467; IS__TUNIT_OPM-NEXT: [[CALL:%.*]] = call noundef nonnull align 4294967296 dereferenceable(4) i32* @test_preallocated(i32* noalias nocapture nofree noundef writeonly preallocated(i32) align 4294967296 null) #[[ATTR1]] [ "preallocated"(token [[C]]) ] 468; IS__TUNIT_OPM-NEXT: ret i32* [[CALL]] 469; 470; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 471; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 472; IS__TUNIT_NPM-SAME: () #[[ATTR0:[0-9]+]] { 473; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR4:[0-9]+]] 474; IS__TUNIT_NPM-NEXT: [[CALL:%.*]] = call noundef nonnull align 4294967296 dereferenceable(4) i32* @test_preallocated(i32* noalias nocapture nofree noundef writeonly preallocated(i32) align 4294967296 null) #[[ATTR1]] [ "preallocated"(token [[C]]) ] 475; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]] 476; 477; IS__CGSCC_OPM: Function Attrs: nofree nosync nounwind willreturn 478; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 479; IS__CGSCC_OPM-SAME: () #[[ATTR0:[0-9]+]] { 480; IS__CGSCC_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]] 481; IS__CGSCC_OPM-NEXT: ret i32* null 482; 483; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind willreturn 484; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 485; IS__CGSCC_NPM-SAME: () #[[ATTR0:[0-9]+]] { 486; IS__CGSCC_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR4:[0-9]+]] 487; IS__CGSCC_NPM-NEXT: ret i32* null 488; 489 %c = call token @llvm.call.preallocated.setup(i32 1) 490 %call = call i32* @test_preallocated(i32* preallocated(i32) null) ["preallocated"(token %c)] 491 ret i32* %call 492} 493 494define internal void @test_sret(%struct.X* sret(%struct.X) %a, %struct.X** %b) { 495; 496; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 497; IS__TUNIT____-LABEL: define {{[^@]+}}@test_sret 498; IS__TUNIT____-SAME: (%struct.X* noalias nofree noundef nonnull writeonly sret([[STRUCT_X:%.*]]) align 4294967296 dereferenceable(8) [[A:%.*]], %struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2:[0-9]+]] { 499; IS__TUNIT____-NEXT: store %struct.X* [[A]], %struct.X** [[B]], align 8 500; IS__TUNIT____-NEXT: ret void 501; 502; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 503; IS__CGSCC____-LABEL: define {{[^@]+}}@test_sret 504; IS__CGSCC____-SAME: (%struct.X* noalias nofree noundef nonnull writeonly sret([[STRUCT_X:%.*]]) align 4294967296 dereferenceable(8) [[A:%.*]], %struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2:[0-9]+]] { 505; IS__CGSCC____-NEXT: store %struct.X* [[A]], %struct.X** [[B]], align 8 506; IS__CGSCC____-NEXT: ret void 507; 508 store %struct.X* %a, %struct.X** %b 509 ret void 510} 511; FIXME: Alignment and dereferenceability are not propagated to the argument 512define void @complicated_args_sret(%struct.X** %b) { 513; 514; 515; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 516; IS__TUNIT____-LABEL: define {{[^@]+}}@complicated_args_sret 517; IS__TUNIT____-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] { 518; IS__TUNIT____-NEXT: call void @test_sret(%struct.X* noalias nocapture nofree noundef writeonly sret([[STRUCT_X:%.*]]) align 4294967296 null, %struct.X** nocapture nofree writeonly align 8 [[B]]) #[[ATTR3:[0-9]+]] 519; IS__TUNIT____-NEXT: ret void 520; 521; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 522; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_sret 523; IS__CGSCC____-SAME: (%struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2]] { 524; IS__CGSCC____-NEXT: unreachable 525; 526 call void @test_sret(%struct.X* sret(%struct.X) null, %struct.X** %b) 527 ret void 528} 529 530define internal %struct.X* @test_nest(%struct.X* nest %a) { 531; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 532; IS__CGSCC____-LABEL: define {{[^@]+}}@test_nest 533; IS__CGSCC____-SAME: (%struct.X* nest noalias nocapture nofree readnone align 4294967296 [[A:%.*]]) #[[ATTR1]] { 534; IS__CGSCC____-NEXT: ret %struct.X* undef 535; 536 ret %struct.X* %a 537} 538define %struct.X* @complicated_args_nest() { 539; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 540; IS__TUNIT____-LABEL: define {{[^@]+}}@complicated_args_nest 541; IS__TUNIT____-SAME: () #[[ATTR1]] { 542; IS__TUNIT____-NEXT: ret %struct.X* null 543; 544; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 545; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_nest 546; IS__CGSCC____-SAME: () #[[ATTR1]] { 547; IS__CGSCC____-NEXT: ret %struct.X* null 548; 549 %call = call %struct.X* @test_nest(%struct.X* null) 550 ret %struct.X* %call 551} 552 553@S = external global %struct.X 554define internal void @test_byval(%struct.X* byval(%struct.X) %a) { 555; IS__TUNIT_OPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 556; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@test_byval 557; IS__TUNIT_OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull writeonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 558; IS__TUNIT_OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 559; IS__TUNIT_OPM-NEXT: store i8* null, i8** [[G0]], align 8 560; IS__TUNIT_OPM-NEXT: ret void 561; 562; IS__TUNIT_NPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 563; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_byval 564; IS__TUNIT_NPM-SAME: (i8* [[TMP0:%.*]]) #[[ATTR2]] { 565; IS__TUNIT_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 566; IS__TUNIT_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 567; IS__TUNIT_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 568; IS__TUNIT_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 569; IS__TUNIT_NPM-NEXT: store i8* null, i8** [[G0]], align 8 570; IS__TUNIT_NPM-NEXT: ret void 571; 572; IS__CGSCC_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 573; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@test_byval 574; IS__CGSCC_OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull writeonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 575; IS__CGSCC_OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 576; IS__CGSCC_OPM-NEXT: store i8* null, i8** [[G0]], align 8 577; IS__CGSCC_OPM-NEXT: ret void 578; 579; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 580; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_byval 581; IS__CGSCC_NPM-SAME: (i8* noalias nocapture nofree readnone [[TMP0:%.*]]) #[[ATTR1]] { 582; IS__CGSCC_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 583; IS__CGSCC_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 584; IS__CGSCC_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 585; IS__CGSCC_NPM-NEXT: ret void 586; 587 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 588 store i8* null, i8** %g0 589 ret void 590} 591define void @complicated_args_byval() { 592; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn writeonly 593; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 594; IS__TUNIT_OPM-SAME: () #[[ATTR3]] { 595; IS__TUNIT_OPM-NEXT: call void @test_byval(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) #[[ATTR3]] 596; IS__TUNIT_OPM-NEXT: ret void 597; 598; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn writeonly 599; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 600; IS__TUNIT_NPM-SAME: () #[[ATTR3]] { 601; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 602; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 603; IS__TUNIT_NPM-NEXT: call void @test_byval(i8* [[TMP1]]) #[[ATTR3]] 604; IS__TUNIT_NPM-NEXT: ret void 605; 606; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 607; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 608; IS__CGSCC_OPM-SAME: () #[[ATTR1]] { 609; IS__CGSCC_OPM-NEXT: call void @test_byval(%struct.X* noalias nocapture nofree noundef nonnull readnone byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) #[[ATTR6:[0-9]+]] 610; IS__CGSCC_OPM-NEXT: ret void 611; 612; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 613; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 614; IS__CGSCC_NPM-SAME: () #[[ATTR1]] { 615; IS__CGSCC_NPM-NEXT: ret void 616; 617 call void @test_byval(%struct.X* byval(%struct.X) @S) 618 ret void 619} 620 621declare void @sync() 622; Make sure we *do not* load @S here! 623define internal i8*@test_byval2(%struct.X* byval(%struct.X) %a) { 624; IS________OPM-LABEL: define {{[^@]+}}@test_byval2 625; IS________OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) { 626; IS________OPM-NEXT: call void @sync() 627; IS________OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 628; IS________OPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 629; IS________OPM-NEXT: ret i8* [[L]] 630; 631; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_byval2 632; IS__TUNIT_NPM-SAME: (i8* [[TMP0:%.*]]) { 633; IS__TUNIT_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 634; IS__TUNIT_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 635; IS__TUNIT_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 636; IS__TUNIT_NPM-NEXT: call void @sync() 637; IS__TUNIT_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 638; IS__TUNIT_NPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 639; IS__TUNIT_NPM-NEXT: ret i8* [[L]] 640; 641; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_byval2 642; IS__CGSCC_NPM-SAME: (i8* noalias nofree readnone returned "no-capture-maybe-returned" [[TMP0:%.*]]) { 643; IS__CGSCC_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 644; IS__CGSCC_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 645; IS__CGSCC_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 646; IS__CGSCC_NPM-NEXT: call void @sync() 647; IS__CGSCC_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 648; IS__CGSCC_NPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 649; IS__CGSCC_NPM-NEXT: ret i8* [[TMP0]] 650; 651 call void @sync() 652 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 653 %l = load i8*, i8** %g0 654 ret i8* %l 655} 656define i8* @complicated_args_byval2() { 657; 658; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 659; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call i8* @test_byval2(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) 660; IS__TUNIT_OPM-NEXT: ret i8* [[C]] 661; 662; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 663; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 664; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 665; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* [[TMP1]]) 666; IS__TUNIT_NPM-NEXT: ret i8* [[C]] 667; 668; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 669; IS__CGSCC_OPM-NEXT: [[C:%.*]] = call i8* @test_byval2(%struct.X* noalias nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) 670; IS__CGSCC_OPM-NEXT: ret i8* [[C]] 671; 672; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 673; IS__CGSCC_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** getelementptr inbounds ([[STRUCT_X:%.*]], %struct.X* @S, i32 0, i32 0), align 8 674; IS__CGSCC_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* noalias nofree readnone "no-capture-maybe-returned" [[TMP1]]) 675; IS__CGSCC_NPM-NEXT: ret i8* [[TMP1]] 676; 677 %c = call i8* @test_byval2(%struct.X* byval(%struct.X) @S) 678 ret i8* %c 679} 680 681define void @fixpoint_changed(i32* %p) { 682; IS__TUNIT_OPM: Function Attrs: argmemonly nofree nosync nounwind writeonly 683; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 684; IS__TUNIT_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR4:[0-9]+]] { 685; IS__TUNIT_OPM-NEXT: entry: 686; IS__TUNIT_OPM-NEXT: br label [[FOR_COND:%.*]] 687; IS__TUNIT_OPM: for.cond: 688; IS__TUNIT_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 689; IS__TUNIT_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 690; IS__TUNIT_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 691; IS__TUNIT_OPM: for.body: 692; IS__TUNIT_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 693; IS__TUNIT_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 694; IS__TUNIT_OPM-NEXT: ] 695; IS__TUNIT_OPM: sw.bb: 696; IS__TUNIT_OPM-NEXT: br label [[SW_EPILOG]] 697; IS__TUNIT_OPM: sw.epilog: 698; IS__TUNIT_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 699; IS__TUNIT_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 700; IS__TUNIT_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 701; IS__TUNIT_OPM-NEXT: br label [[FOR_COND]] 702; IS__TUNIT_OPM: for.end: 703; IS__TUNIT_OPM-NEXT: ret void 704; 705; IS__TUNIT_NPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 706; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@fixpoint_changed 707; IS__TUNIT_NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR2]] { 708; IS__TUNIT_NPM-NEXT: entry: 709; IS__TUNIT_NPM-NEXT: br label [[FOR_COND:%.*]] 710; IS__TUNIT_NPM: for.cond: 711; IS__TUNIT_NPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 712; IS__TUNIT_NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 713; IS__TUNIT_NPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 714; IS__TUNIT_NPM: for.body: 715; IS__TUNIT_NPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 716; IS__TUNIT_NPM-NEXT: i32 1, label [[SW_BB:%.*]] 717; IS__TUNIT_NPM-NEXT: ] 718; IS__TUNIT_NPM: sw.bb: 719; IS__TUNIT_NPM-NEXT: br label [[SW_EPILOG]] 720; IS__TUNIT_NPM: sw.epilog: 721; IS__TUNIT_NPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 722; IS__TUNIT_NPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 723; IS__TUNIT_NPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 724; IS__TUNIT_NPM-NEXT: br label [[FOR_COND]] 725; IS__TUNIT_NPM: for.end: 726; IS__TUNIT_NPM-NEXT: ret void 727; 728; IS__CGSCC_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind writeonly 729; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 730; IS__CGSCC_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3:[0-9]+]] { 731; IS__CGSCC_OPM-NEXT: entry: 732; IS__CGSCC_OPM-NEXT: br label [[FOR_COND:%.*]] 733; IS__CGSCC_OPM: for.cond: 734; IS__CGSCC_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 735; IS__CGSCC_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 736; IS__CGSCC_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 737; IS__CGSCC_OPM: for.body: 738; IS__CGSCC_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 739; IS__CGSCC_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 740; IS__CGSCC_OPM-NEXT: ] 741; IS__CGSCC_OPM: sw.bb: 742; IS__CGSCC_OPM-NEXT: br label [[SW_EPILOG]] 743; IS__CGSCC_OPM: sw.epilog: 744; IS__CGSCC_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 745; IS__CGSCC_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 746; IS__CGSCC_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 747; IS__CGSCC_OPM-NEXT: br label [[FOR_COND]] 748; IS__CGSCC_OPM: for.end: 749; IS__CGSCC_OPM-NEXT: ret void 750; 751; IS__CGSCC_NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 752; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@fixpoint_changed 753; IS__CGSCC_NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR2]] { 754; IS__CGSCC_NPM-NEXT: entry: 755; IS__CGSCC_NPM-NEXT: br label [[FOR_COND:%.*]] 756; IS__CGSCC_NPM: for.cond: 757; IS__CGSCC_NPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 758; IS__CGSCC_NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 759; IS__CGSCC_NPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 760; IS__CGSCC_NPM: for.body: 761; IS__CGSCC_NPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 762; IS__CGSCC_NPM-NEXT: i32 1, label [[SW_BB:%.*]] 763; IS__CGSCC_NPM-NEXT: ] 764; IS__CGSCC_NPM: sw.bb: 765; IS__CGSCC_NPM-NEXT: br label [[SW_EPILOG]] 766; IS__CGSCC_NPM: sw.epilog: 767; IS__CGSCC_NPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 768; IS__CGSCC_NPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 769; IS__CGSCC_NPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 770; IS__CGSCC_NPM-NEXT: br label [[FOR_COND]] 771; IS__CGSCC_NPM: for.end: 772; IS__CGSCC_NPM-NEXT: ret void 773; 774entry: 775 br label %for.cond 776 777for.cond: 778 %j.0 = phi i32 [ 0, %entry ], [ %inc, %sw.epilog ] 779 %cmp = icmp slt i32 %j.0, 30 780 br i1 %cmp, label %for.body, label %for.end 781 782for.body: 783 switch i32 %j.0, label %sw.epilog [ 784 i32 1, label %sw.bb 785 ] 786 787sw.bb: 788 br label %sw.epilog 789 790sw.epilog: 791 %x.0 = phi i32 [ 255, %for.body ], [ 253, %sw.bb ] 792 store i32 %x.0, i32* %p 793 %inc = add nsw i32 %j.0, 1 794 br label %for.cond 795 796for.end: 797 ret void 798} 799 800; Check we merge undef and a constant properly. 801define i8 @caller0() { 802; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 803; IS__TUNIT____-LABEL: define {{[^@]+}}@caller0 804; IS__TUNIT____-SAME: () #[[ATTR1]] { 805; IS__TUNIT____-NEXT: ret i8 49 806; 807; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 808; IS__CGSCC____-LABEL: define {{[^@]+}}@caller0 809; IS__CGSCC____-SAME: () #[[ATTR1]] { 810; IS__CGSCC____-NEXT: ret i8 49 811; 812 %c = call i8 @callee(i8 undef) 813 ret i8 %c 814} 815define i8 @caller1() { 816; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 817; IS__TUNIT____-LABEL: define {{[^@]+}}@caller1 818; IS__TUNIT____-SAME: () #[[ATTR1]] { 819; IS__TUNIT____-NEXT: ret i8 49 820; 821; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 822; IS__CGSCC____-LABEL: define {{[^@]+}}@caller1 823; IS__CGSCC____-SAME: () #[[ATTR1]] { 824; IS__CGSCC____-NEXT: ret i8 49 825; 826 %c = call i8 @callee(i8 undef) 827 ret i8 %c 828} 829define i8 @caller2() { 830; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 831; IS__TUNIT____-LABEL: define {{[^@]+}}@caller2 832; IS__TUNIT____-SAME: () #[[ATTR1]] { 833; IS__TUNIT____-NEXT: ret i8 49 834; 835; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 836; IS__CGSCC____-LABEL: define {{[^@]+}}@caller2 837; IS__CGSCC____-SAME: () #[[ATTR1]] { 838; IS__CGSCC____-NEXT: ret i8 49 839; 840 %c = call i8 @callee(i8 undef) 841 ret i8 %c 842} 843define i8 @caller_middle() { 844; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 845; IS__TUNIT____-LABEL: define {{[^@]+}}@caller_middle 846; IS__TUNIT____-SAME: () #[[ATTR1]] { 847; IS__TUNIT____-NEXT: ret i8 49 848; 849; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 850; IS__CGSCC____-LABEL: define {{[^@]+}}@caller_middle 851; IS__CGSCC____-SAME: () #[[ATTR1]] { 852; IS__CGSCC____-NEXT: ret i8 49 853; 854 %c = call i8 @callee(i8 42) 855 ret i8 %c 856} 857define i8 @caller3() { 858; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 859; IS__TUNIT____-LABEL: define {{[^@]+}}@caller3 860; IS__TUNIT____-SAME: () #[[ATTR1]] { 861; IS__TUNIT____-NEXT: ret i8 49 862; 863; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 864; IS__CGSCC____-LABEL: define {{[^@]+}}@caller3 865; IS__CGSCC____-SAME: () #[[ATTR1]] { 866; IS__CGSCC____-NEXT: ret i8 49 867; 868 %c = call i8 @callee(i8 undef) 869 ret i8 %c 870} 871define i8 @caller4() { 872; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 873; IS__TUNIT____-LABEL: define {{[^@]+}}@caller4 874; IS__TUNIT____-SAME: () #[[ATTR1]] { 875; IS__TUNIT____-NEXT: ret i8 49 876; 877; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 878; IS__CGSCC____-LABEL: define {{[^@]+}}@caller4 879; IS__CGSCC____-SAME: () #[[ATTR1]] { 880; IS__CGSCC____-NEXT: ret i8 49 881; 882 %c = call i8 @callee(i8 undef) 883 ret i8 %c 884} 885define internal i8 @callee(i8 %a) { 886; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 887; IS__CGSCC____-LABEL: define {{[^@]+}}@callee 888; IS__CGSCC____-SAME: () #[[ATTR1]] { 889; IS__CGSCC____-NEXT: ret i8 undef 890; 891 %c = add i8 %a, 7 892 ret i8 %c 893} 894 895define void @user_as3() { 896; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn writeonly 897; IS__TUNIT____-LABEL: define {{[^@]+}}@user_as3 898; IS__TUNIT____-SAME: () #[[ATTR3]] { 899; IS__TUNIT____-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 900; IS__TUNIT____-NEXT: ret void 901; 902; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 903; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@user_as3 904; IS__CGSCC_OPM-SAME: () #[[ATTR4:[0-9]+]] { 905; IS__CGSCC_OPM-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 906; IS__CGSCC_OPM-NEXT: ret void 907; 908; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 909; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@user_as3 910; IS__CGSCC_NPM-SAME: () #[[ATTR3:[0-9]+]] { 911; IS__CGSCC_NPM-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 912; IS__CGSCC_NPM-NEXT: ret void 913; 914 %call = call fastcc i32 addrspace(3)* @const_ptr_return_as3() 915 store i32 0, i32 addrspace(3)* %call 916 ret void 917} 918define void @user() { 919; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn writeonly 920; IS__TUNIT____-LABEL: define {{[^@]+}}@user 921; IS__TUNIT____-SAME: () #[[ATTR3]] { 922; IS__TUNIT____-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 923; IS__TUNIT____-NEXT: ret void 924; 925; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 926; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@user 927; IS__CGSCC_OPM-SAME: () #[[ATTR4]] { 928; IS__CGSCC_OPM-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 929; IS__CGSCC_OPM-NEXT: ret void 930; 931; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 932; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@user 933; IS__CGSCC_NPM-SAME: () #[[ATTR3]] { 934; IS__CGSCC_NPM-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 935; IS__CGSCC_NPM-NEXT: ret void 936; 937 %call = call fastcc i32* @const_ptr_return() 938 store i32 0, i32* %call 939 ret void 940} 941 942 943define i1 @test_merge_with_undef_values_ptr(i1 %c) { 944; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 945; IS__TUNIT____-LABEL: define {{[^@]+}}@test_merge_with_undef_values_ptr 946; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 947; IS__TUNIT____-NEXT: ret i1 false 948; 949; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 950; IS__CGSCC____-LABEL: define {{[^@]+}}@test_merge_with_undef_values_ptr 951; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 952; IS__CGSCC____-NEXT: ret i1 false 953; 954 %r1 = call i1 @undef_then_null(i1 %c, i32* undef, i32* undef) 955 ret i1 %r1 956} 957define internal i1 @undef_then_null(i1 %c, i32* %i32Aptr, i32* %i32Bptr) { 958; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 959; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_null 960; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 961; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 962; IS__CGSCC____: a: 963; IS__CGSCC____-NEXT: ret i1 undef 964; IS__CGSCC____: b: 965; IS__CGSCC____-NEXT: ret i1 undef 966; 967 %cmp1 = icmp eq i32* %i32Aptr, %i32Bptr 968 %cmp2 = icmp eq i1 %cmp1, false 969 %or = or i1 %cmp2, %c 970 br i1 %or, label %a, label %b 971a: 972 %r2 = call i1 @undef_then_null(i1 false, i32* null, i32* null) 973 ret i1 %r2 974b: 975 ret i1 %cmp2 976} 977 978define i1 @test_merge_with_undef_values(i1 %c) { 979; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 980; IS__TUNIT____-LABEL: define {{[^@]+}}@test_merge_with_undef_values 981; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 982; IS__TUNIT____-NEXT: ret i1 false 983; 984; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 985; IS__CGSCC____-LABEL: define {{[^@]+}}@test_merge_with_undef_values 986; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 987; IS__CGSCC____-NEXT: ret i1 false 988; 989 %r1 = call i1 @undef_then_1(i1 %c, i32 undef, i32 undef) 990 ret i1 %r1 991} 992define internal i1 @undef_then_1(i1 %c, i32 %i32A, i32 %i32B) { 993; 994; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 995; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_1 996; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 997; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 998; IS__CGSCC____: a: 999; IS__CGSCC____-NEXT: ret i1 undef 1000; IS__CGSCC____: b: 1001; IS__CGSCC____-NEXT: ret i1 undef 1002; 1003 %cmp1 = icmp eq i32 %i32A, %i32B 1004 %cmp2 = icmp eq i1 %cmp1, false 1005 %or = or i1 %cmp2, %c 1006 br i1 %or, label %a, label %b 1007a: 1008 %r2 = call i1 @undef_then_1(i1 false, i32 1, i32 1) 1009 ret i1 %r2 1010b: 1011 ret i1 %cmp2 1012} 1013 1014define i32 @test_select(i32 %c) { 1015; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 1016; IS__TUNIT____-LABEL: define {{[^@]+}}@test_select 1017; IS__TUNIT____-SAME: (i32 [[C:%.*]]) #[[ATTR1]] { 1018; IS__TUNIT____-NEXT: ret i32 42 1019; 1020; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1021; IS__CGSCC____-LABEL: define {{[^@]+}}@test_select 1022; IS__CGSCC____-SAME: (i32 [[C:%.*]]) #[[ATTR1]] { 1023; IS__CGSCC____-NEXT: ret i32 42 1024; 1025 %call = call i32 @select(i1 1, i32 42, i32 %c) 1026 ret i32 %call 1027} 1028 1029define internal i32 @select(i1 %a, i32 %b, i32 %c) { 1030; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1031; IS__CGSCC____-LABEL: define {{[^@]+}}@select 1032; IS__CGSCC____-SAME: () #[[ATTR1]] { 1033; IS__CGSCC____-NEXT: ret i32 undef 1034; 1035 %s = select i1 %a, i32 %b, i32 %c 1036 ret i32 %s 1037} 1038 1039define i1 @icmp() { 1040; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 1041; IS__TUNIT____-LABEL: define {{[^@]+}}@icmp 1042; IS__TUNIT____-SAME: () #[[ATTR1]] { 1043; IS__TUNIT____-NEXT: ret i1 true 1044; 1045; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1046; IS__CGSCC____-LABEL: define {{[^@]+}}@icmp 1047; IS__CGSCC____-SAME: () #[[ATTR1]] { 1048; IS__CGSCC____-NEXT: ret i1 true 1049; 1050 %c = icmp eq i8* null, null 1051 ret i1 %c 1052} 1053 1054define void @test_callee_is_undef(void (i32)* %fn) { 1055; IS__TUNIT____-LABEL: define {{[^@]+}}@test_callee_is_undef 1056; IS__TUNIT____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 1057; IS__TUNIT____-NEXT: call void @callee_is_undef() 1058; IS__TUNIT____-NEXT: call void @unknown_calle_arg_is_undef(void (i32)* nocapture nofree [[FN]]) 1059; IS__TUNIT____-NEXT: ret void 1060; 1061; IS__CGSCC____-LABEL: define {{[^@]+}}@test_callee_is_undef 1062; IS__CGSCC____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 1063; IS__CGSCC____-NEXT: unreachable 1064; 1065 call void @callee_is_undef(void ()* undef) 1066 call void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 undef) 1067 ret void 1068} 1069define internal void @callee_is_undef(void ()* %fn) { 1070; 1071; IS__TUNIT____-LABEL: define {{[^@]+}}@callee_is_undef() { 1072; IS__TUNIT____-NEXT: call void undef() 1073; IS__TUNIT____-NEXT: ret void 1074; 1075; IS__CGSCC____-LABEL: define {{[^@]+}}@callee_is_undef 1076; IS__CGSCC____-SAME: (void ()* nocapture nofree noundef nonnull [[FN:%.*]]) { 1077; IS__CGSCC____-NEXT: call void [[FN]]() 1078; IS__CGSCC____-NEXT: ret void 1079; 1080 call void %fn() 1081 ret void 1082} 1083define internal void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 %arg) { 1084; 1085; CHECK-LABEL: define {{[^@]+}}@unknown_calle_arg_is_undef 1086; CHECK-SAME: (void (i32)* nocapture nofree noundef nonnull [[FN:%.*]]) { 1087; CHECK-NEXT: call void [[FN]](i32 undef) 1088; CHECK-NEXT: ret void 1089; 1090 call void %fn(i32 %arg) 1091 ret void 1092} 1093 1094; Taken from 50683 1095; {{{ 1096 1097@g = internal constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (void (i8***)* @f1 to i8*), i8* bitcast (void (i1 (i8*)*)* @f2 to i8*)] } 1098 1099define internal void @f1(i8*** %a) { 1100; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 1101; IS__TUNIT____-LABEL: define {{[^@]+}}@f1 1102; IS__TUNIT____-SAME: (i8*** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 1103; IS__TUNIT____-NEXT: entry: 1104; IS__TUNIT____-NEXT: [[X:%.*]] = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 1105; IS__TUNIT____-NEXT: store i8** [[X]], i8*** [[A]], align 8 1106; IS__TUNIT____-NEXT: ret void 1107; 1108; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 1109; IS__CGSCC____-LABEL: define {{[^@]+}}@f1 1110; IS__CGSCC____-SAME: (i8*** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 1111; IS__CGSCC____-NEXT: entry: 1112; IS__CGSCC____-NEXT: [[X:%.*]] = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 1113; IS__CGSCC____-NEXT: store i8** [[X]], i8*** [[A]], align 8 1114; IS__CGSCC____-NEXT: ret void 1115; 1116entry: 1117 %x = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 1118 store i8** %x , i8*** %a, align 8 1119 ret void 1120} 1121 1122define internal void @f2(i1 (i8*)* %a) { 1123; CHECK-LABEL: define {{[^@]+}}@f2 1124; CHECK-SAME: (i1 (i8*)* [[A:%.*]]) { 1125; CHECK-NEXT: cont461: 1126; CHECK-NEXT: [[C1:%.*]] = bitcast i1 (i8*)* [[A]] to i8* 1127; CHECK-NEXT: call void @f3(i8* [[C1]], i1 (i8*)* nocapture nofree [[A]]) 1128; CHECK-NEXT: ret void 1129; 1130cont461: 1131 %c1 = bitcast i1 (i8*)* %a to i8* 1132 call void @f3(i8* %c1, i1 (i8*)* %a) 1133 ret void 1134} 1135 1136define internal void @f3(i8* %a1, i1 (i8*)* %a) { 1137; CHECK-LABEL: define {{[^@]+}}@f3 1138; CHECK-SAME: (i8* [[A1:%.*]], i1 (i8*)* nocapture nofree [[A:%.*]]) { 1139; CHECK-NEXT: entry: 1140; CHECK-NEXT: [[CALL20:%.*]] = call i1 @f9() 1141; CHECK-NEXT: br i1 [[CALL20]], label [[LAND_LHS_TRUE:%.*]], label [[IF_END40:%.*]] 1142; CHECK: land.lhs.true: 1143; CHECK-NEXT: [[TMP0:%.*]] = call i1 [[A]](i8* [[A1]]) 1144; CHECK-NEXT: br label [[IF_END40]] 1145; CHECK: if.end40: 1146; CHECK-NEXT: ret void 1147; 1148entry: 1149 %call20 = call i1 @f9() 1150 br i1 %call20, label %land.lhs.true, label %if.end40 1151 1152land.lhs.true: 1153 call i1 %a(i8* %a1) 1154 br label %if.end40 1155 1156if.end40: 1157 ret void 1158} 1159 1160define linkonce_odr i1 @f9() { 1161; CHECK-LABEL: define {{[^@]+}}@f9() { 1162; CHECK-NEXT: entry: 1163; CHECK-NEXT: ret i1 false 1164; 1165entry: 1166 ret i1 false 1167} 1168 1169; }}} 1170 1171 1172define i1 @test_cmp_null_after_cast() { 1173; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn 1174; IS__TUNIT____-LABEL: define {{[^@]+}}@test_cmp_null_after_cast 1175; IS__TUNIT____-SAME: () #[[ATTR1]] { 1176; IS__TUNIT____-NEXT: ret i1 true 1177; 1178; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1179; IS__CGSCC____-LABEL: define {{[^@]+}}@test_cmp_null_after_cast 1180; IS__CGSCC____-SAME: () #[[ATTR1]] { 1181; IS__CGSCC____-NEXT: ret i1 true 1182; 1183 %c = call i1 @cmp_null_after_cast(i32 0, i8 0) 1184 ret i1 %c 1185} 1186define internal i1 @cmp_null_after_cast(i32 %a, i8 %b) { 1187; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1188; IS__CGSCC____-LABEL: define {{[^@]+}}@cmp_null_after_cast 1189; IS__CGSCC____-SAME: () #[[ATTR1]] { 1190; IS__CGSCC____-NEXT: ret i1 undef 1191; 1192 %t = trunc i32 %a to i8 1193 %c = icmp eq i8 %t, %b 1194 ret i1 %c 1195} 1196 1197 1198declare i8* @m() 1199 1200define i32 @test(i1 %c) { 1201; CHECK-LABEL: define {{[^@]+}}@test 1202; CHECK-SAME: (i1 [[C:%.*]]) { 1203; CHECK-NEXT: [[R1:%.*]] = call i32 @ctx_test1(i1 [[C]]) 1204; CHECK-NEXT: [[R2:%.*]] = call i32 @ctx_test2(i1 [[C]]), !range [[RNG0:![0-9]+]] 1205; CHECK-NEXT: [[ADD:%.*]] = add i32 [[R1]], [[R2]] 1206; CHECK-NEXT: ret i32 [[ADD]] 1207; 1208 %r1 = call i32 @ctx_test1(i1 %c) 1209 %r2 = call i32 @ctx_test2(i1 %c) 1210 %add = add i32 %r1, %r2 1211 ret i32 %add 1212} 1213 1214define internal i32 @ctx_test1(i1 %c) { 1215; CHECK-LABEL: define {{[^@]+}}@ctx_test1 1216; CHECK-SAME: (i1 [[C:%.*]]) { 1217; CHECK-NEXT: entry: 1218; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1219; CHECK: then: 1220; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1221; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i64 1222; CHECK-NEXT: br label [[JOIN]] 1223; CHECK: join: 1224; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1225; CHECK-NEXT: [[RET:%.*]] = trunc i64 [[PHI]] to i32 1226; CHECK-NEXT: ret i32 [[RET]] 1227; 1228entry: 1229 br i1 %c, label %then, label %join 1230 1231then: 1232 %m = tail call i8* @m() 1233 %i = ptrtoint i8* %m to i64 1234 br label %join 1235 1236join: 1237 %phi = phi i64 [ %i, %then ], [ undef, %entry ] 1238 %ret = trunc i64 %phi to i32 1239 ret i32 %ret 1240} 1241 1242define internal i32 @ctx_test2(i1 %c) { 1243; CHECK-LABEL: define {{[^@]+}}@ctx_test2 1244; CHECK-SAME: (i1 [[C:%.*]]) { 1245; CHECK-NEXT: entry: 1246; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1247; CHECK: then: 1248; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1249; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i32 1250; CHECK-NEXT: br label [[JOIN]] 1251; CHECK: join: 1252; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1253; CHECK-NEXT: [[RET:%.*]] = lshr i32 [[PHI]], 1 1254; CHECK-NEXT: ret i32 [[RET]] 1255; 1256entry: 1257 br i1 %c, label %then, label %join 1258 1259then: 1260 %m = tail call i8* @m() 1261 %i = ptrtoint i8* %m to i32 1262 br label %join 1263 1264join: 1265 %phi = phi i32 [ %i, %then ], [ undef, %entry ] 1266 %ret = lshr i32 %phi, 1 1267 ret i32 %ret 1268 1269 uselistorder label %join, { 1, 0 } 1270} 1271 1272;. 1273; IS__TUNIT_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1274; IS__TUNIT_OPM: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn } 1275; IS__TUNIT_OPM: attributes #[[ATTR2]] = { argmemonly nofree nosync nounwind willreturn writeonly } 1276; IS__TUNIT_OPM: attributes #[[ATTR3]] = { nofree nosync nounwind willreturn writeonly } 1277; IS__TUNIT_OPM: attributes #[[ATTR4]] = { argmemonly nofree nosync nounwind writeonly } 1278; IS__TUNIT_OPM: attributes #[[ATTR5]] = { willreturn } 1279;. 1280; IS__TUNIT_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1281; IS__TUNIT_NPM: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn } 1282; IS__TUNIT_NPM: attributes #[[ATTR2]] = { argmemonly nofree nosync nounwind willreturn writeonly } 1283; IS__TUNIT_NPM: attributes #[[ATTR3]] = { nofree nosync nounwind willreturn writeonly } 1284; IS__TUNIT_NPM: attributes #[[ATTR4]] = { willreturn } 1285;. 1286; IS__CGSCC_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1287; IS__CGSCC_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1288; IS__CGSCC_OPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1289; IS__CGSCC_OPM: attributes #[[ATTR3]] = { argmemonly nofree norecurse nosync nounwind writeonly } 1290; IS__CGSCC_OPM: attributes #[[ATTR4]] = { nofree norecurse nosync nounwind willreturn writeonly } 1291; IS__CGSCC_OPM: attributes #[[ATTR5]] = { willreturn } 1292; IS__CGSCC_OPM: attributes #[[ATTR6]] = { nounwind willreturn writeonly } 1293;. 1294; IS__CGSCC_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1295; IS__CGSCC_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1296; IS__CGSCC_NPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1297; IS__CGSCC_NPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1298; IS__CGSCC_NPM: attributes #[[ATTR4]] = { willreturn } 1299;. 1300; CHECK: [[RNG0]] = !{i32 0, i32 -2147483648} 1301;. 1302