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)* @ConstAS3Ptr 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* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*) 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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 58; CHECK-LABEL: define {{[^@]+}}@return0 59; CHECK-SAME: () #[[ATTR1:[0-9]+]] { 60; CHECK-NEXT: ret i32 0 61; 62 ret i32 0 63} 64 65define i32 @return1() { 66; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 67; CHECK-LABEL: define {{[^@]+}}@return1 68; CHECK-SAME: () #[[ATTR1]] { 69; CHECK-NEXT: ret i32 1 70; 71 ret i32 1 72} 73 74define i32 @test2_1(i1 %c) { 75; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 76; CHECK-LABEL: define {{[^@]+}}@test2_1 77; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 78; CHECK-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 79; CHECK: if.true: 80; CHECK-NEXT: [[RET0:%.*]] = add i32 0, 1 81; CHECK-NEXT: br label [[END:%.*]] 82; CHECK: if.false: 83; CHECK-NEXT: br label [[END]] 84; CHECK: end: 85; CHECK-NEXT: [[RET:%.*]] = phi i32 [ [[RET0]], [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 86; CHECK-NEXT: ret i32 1 87; 88 br i1 %c, label %if.true, label %if.false 89if.true: 90 %call = tail call i32 @return0() 91 %ret0 = add i32 %call, 1 92 br label %end 93if.false: 94 %ret1 = tail call i32 @return1() 95 br label %end 96end: 97 98 %ret = phi i32 [ %ret0, %if.true ], [ %ret1, %if.false ] 99 100 ret i32 1 101} 102 103 104 105define i32 @test2_2(i1 %c) { 106; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 107; CHECK-LABEL: define {{[^@]+}}@test2_2 108; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 109; CHECK-NEXT: ret i32 1 110; 111 %ret = tail call i32 @test2_1(i1 %c) 112 ret i32 %ret 113} 114 115declare void @use(i32) 116define void @test3(i1 %c) { 117; CHECK-LABEL: define {{[^@]+}}@test3 118; CHECK-SAME: (i1 [[C:%.*]]) { 119; CHECK-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 120; CHECK: if.true: 121; CHECK-NEXT: br label [[END:%.*]] 122; CHECK: if.false: 123; CHECK-NEXT: br label [[END]] 124; CHECK: end: 125; CHECK-NEXT: [[R:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 126; CHECK-NEXT: tail call void @use(i32 noundef 1) 127; CHECK-NEXT: ret void 128; 129 br i1 %c, label %if.true, label %if.false 130if.true: 131 br label %end 132if.false: 133 %ret1 = tail call i32 @return1() 134 br label %end 135end: 136 137 %r = phi i32 [ 1, %if.true ], [ %ret1, %if.false ] 138 139 tail call void @use(i32 %r) 140 ret void 141} 142 143define void @test-select-phi(i1 %c) { 144; CHECK-LABEL: define {{[^@]+}}@test-select-phi 145; CHECK-SAME: (i1 [[C:%.*]]) { 146; CHECK-NEXT: tail call void @use(i32 noundef 1) 147; CHECK-NEXT: [[SELECT_NOT_SAME:%.*]] = select i1 [[C]], i32 1, i32 0 148; CHECK-NEXT: tail call void @use(i32 noundef [[SELECT_NOT_SAME]]) 149; CHECK-NEXT: br i1 [[C]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]] 150; CHECK: if-true: 151; CHECK-NEXT: br label [[END:%.*]] 152; CHECK: if-false: 153; CHECK-NEXT: br label [[END]] 154; CHECK: end: 155; CHECK-NEXT: [[PHI_SAME:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 156; CHECK-NEXT: [[PHI_NOT_SAME:%.*]] = phi i32 [ 0, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 157; CHECK-NEXT: [[PHI_SAME_PROP:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ 1, [[IF_FALSE]] ] 158; CHECK-NEXT: [[PHI_SAME_UNDEF:%.*]] = phi i32 [ 1, [[IF_TRUE]] ], [ undef, [[IF_FALSE]] ] 159; CHECK-NEXT: [[SELECT_NOT_SAME_UNDEF:%.*]] = select i1 [[C]], i32 [[PHI_NOT_SAME]], i32 undef 160; CHECK-NEXT: tail call void @use(i32 noundef 1) 161; CHECK-NEXT: tail call void @use(i32 noundef [[PHI_NOT_SAME]]) 162; CHECK-NEXT: tail call void @use(i32 noundef 1) 163; CHECK-NEXT: tail call void @use(i32 1) 164; CHECK-NEXT: tail call void @use(i32 [[SELECT_NOT_SAME_UNDEF]]) 165; CHECK-NEXT: ret void 166; 167 %select-same = select i1 %c, i32 1, i32 1 168 tail call void @use(i32 %select-same) 169 170 %select-not-same = select i1 %c, i32 1, i32 0 171 tail call void @use(i32 %select-not-same) 172 br i1 %c, label %if-true, label %if-false 173if-true: 174 br label %end 175if-false: 176 br label %end 177end: 178 %phi-same = phi i32 [ 1, %if-true ], [ 1, %if-false ] 179 %phi-not-same = phi i32 [ 0, %if-true ], [ 1, %if-false ] 180 %phi-same-prop = phi i32 [ 1, %if-true ], [ %select-same, %if-false ] 181 %phi-same-undef = phi i32 [ 1, %if-true ], [ undef, %if-false ] 182 %select-not-same-undef = select i1 %c, i32 %phi-not-same, i32 undef 183 184 185 tail call void @use(i32 %phi-same) 186 187 tail call void @use(i32 %phi-not-same) 188 189 tail call void @use(i32 %phi-same-prop) 190 191 tail call void @use(i32 %phi-same-undef) 192 193 tail call void @use(i32 %select-not-same-undef) 194 195 ret void 196 197} 198 199define i32 @ipccp1(i32 %a) { 200; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 201; CHECK-LABEL: define {{[^@]+}}@ipccp1 202; CHECK-SAME: (i32 returned [[A:%.*]]) #[[ATTR1]] { 203; CHECK-NEXT: br i1 true, label [[T:%.*]], label [[F:%.*]] 204; CHECK: t: 205; CHECK-NEXT: ret i32 [[A]] 206; CHECK: f: 207; CHECK-NEXT: unreachable 208; 209 br i1 true, label %t, label %f 210t: 211 ret i32 %a 212f: 213 %r = call i32 @ipccp1(i32 5) 214 ret i32 %r 215} 216 217define internal i1 @ipccp2i(i1 %a) { 218; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 219; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2i 220; IS__CGSCC____-SAME: () #[[ATTR1]] { 221; IS__CGSCC____-NEXT: br label [[T:%.*]] 222; IS__CGSCC____: t: 223; IS__CGSCC____-NEXT: ret i1 true 224; IS__CGSCC____: f: 225; IS__CGSCC____-NEXT: unreachable 226; 227 br i1 %a, label %t, label %f 228t: 229 ret i1 %a 230f: 231 %r = call i1 @ipccp2i(i1 false) 232 ret i1 %r 233} 234 235define i1 @ipccp2() { 236; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 237; CHECK-LABEL: define {{[^@]+}}@ipccp2 238; CHECK-SAME: () #[[ATTR1]] { 239; CHECK-NEXT: ret i1 true 240; 241 %r = call i1 @ipccp2i(i1 true) 242 ret i1 %r 243} 244 245define internal i1 @ipccp2ib(i1 %a) { 246; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 247; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp2ib 248; IS__CGSCC____-SAME: () #[[ATTR1]] { 249; IS__CGSCC____-NEXT: br label [[T:%.*]] 250; IS__CGSCC____: t: 251; IS__CGSCC____-NEXT: ret i1 true 252; IS__CGSCC____: f: 253; IS__CGSCC____-NEXT: unreachable 254; 255 br i1 %a, label %t, label %f 256t: 257 ret i1 true 258f: 259 %r = call i1 @ipccp2ib(i1 false) 260 ret i1 %r 261} 262 263define i1 @ipccp2b() { 264; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 265; CHECK-LABEL: define {{[^@]+}}@ipccp2b 266; CHECK-SAME: () #[[ATTR1]] { 267; CHECK-NEXT: ret i1 true 268; 269 %r = call i1 @ipccp2ib(i1 true) 270 ret i1 %r 271} 272 273define internal i32 @ipccp3i(i32 %a) { 274; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 275; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp3i 276; IS__CGSCC____-SAME: () #[[ATTR1]] { 277; IS__CGSCC____-NEXT: br label [[T:%.*]] 278; IS__CGSCC____: t: 279; IS__CGSCC____-NEXT: ret i32 7 280; IS__CGSCC____: f: 281; IS__CGSCC____-NEXT: unreachable 282; 283 %c = icmp eq i32 %a, 7 284 br i1 %c, label %t, label %f 285t: 286 ret i32 %a 287f: 288 %r = call i32 @ipccp3i(i32 5) 289 ret i32 %r 290} 291 292define i32 @ipccp3() { 293; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 294; CHECK-LABEL: define {{[^@]+}}@ipccp3 295; CHECK-SAME: () #[[ATTR1]] { 296; CHECK-NEXT: ret i32 7 297; 298 %r = call i32 @ipccp3i(i32 7) 299 ret i32 %r 300} 301 302define internal i32 @ipccp4ia(i1 %c) { 303; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 304; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ia 305; IS__CGSCC____-SAME: () #[[ATTR1]] { 306; IS__CGSCC____-NEXT: br label [[T:%.*]] 307; IS__CGSCC____: t: 308; IS__CGSCC____-NEXT: ret i32 0 309; IS__CGSCC____: f: 310; IS__CGSCC____-NEXT: unreachable 311; 312 br i1 %c, label %t, label %f 313t: 314 ret i32 0 315f: 316 ret i32 1 317} 318define internal i32 @ipccp4ib(i32 %a) { 319; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 320; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ib 321; IS__CGSCC____-SAME: () #[[ATTR1]] { 322; IS__CGSCC____-NEXT: br label [[T:%.*]] 323; IS__CGSCC____: t: 324; IS__CGSCC____-NEXT: ret i32 0 325; IS__CGSCC____: f: 326; IS__CGSCC____-NEXT: unreachable 327; 328 %c = icmp eq i32 %a, 7 329 br i1 %c, label %t, label %f 330t: 331 %r = call i32 @ipccp4ia(i1 %c) 332 ret i32 %r 333f: 334 ret i32 1 335} 336 337define i32 @ipccp4(i1 %c) { 338; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 339; CHECK-LABEL: define {{[^@]+}}@ipccp4 340; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 341; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 342; CHECK: t: 343; CHECK-NEXT: br label [[F]] 344; CHECK: f: 345; CHECK-NEXT: ret i32 0 346; 347 br i1 %c, label %t, label %f 348t: 349 %q = call i32 @ipccp4ia(i1 undef) 350 br label %f 351f: 352 %r = call i32 @ipccp4ib(i32 7) 353 ret i32 %r 354} 355 356; Do not touch complicated arguments (for now) 357%struct.X = type { i8* } 358define internal i32* @test_inalloca(i32* inalloca(i32) %a) { 359; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 360; CHECK-LABEL: define {{[^@]+}}@test_inalloca 361; CHECK-SAME: (i32* noalias nofree nonnull returned writeonly inalloca(i32) dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 362; CHECK-NEXT: ret i32* [[A]] 363; 364 ret i32* %a 365} 366define i32* @complicated_args_inalloca(i32* %arg) { 367; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 368; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_inalloca 369; IS__TUNIT_OPM-SAME: (i32* nofree readnone "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 370; IS__TUNIT_OPM-NEXT: [[CALL:%.*]] = call nonnull dereferenceable(4) i32* @test_inalloca(i32* noalias nofree writeonly inalloca(i32) "no-capture-maybe-returned" [[ARG]]) #[[ATTR6:[0-9]+]] 371; IS__TUNIT_OPM-NEXT: ret i32* [[CALL]] 372; 373; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 374; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_inalloca 375; IS__TUNIT_NPM-SAME: (i32* nofree readnone "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 376; IS__TUNIT_NPM-NEXT: [[CALL:%.*]] = call nonnull dereferenceable(4) i32* @test_inalloca(i32* noalias nofree writeonly inalloca(i32) "no-capture-maybe-returned" [[ARG]]) #[[ATTR5:[0-9]+]] 377; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]] 378; 379; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 380; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_inalloca 381; IS__CGSCC____-SAME: (i32* nofree noundef nonnull readnone returned dereferenceable(4) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 382; IS__CGSCC____-NEXT: ret i32* [[ARG]] 383; 384 %call = call i32* @test_inalloca(i32* inalloca(i32) %arg) 385 ret i32* %call 386} 387 388define internal i32* @test_preallocated(i32* preallocated(i32) %a) { 389; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 390; CHECK-LABEL: define {{[^@]+}}@test_preallocated 391; CHECK-SAME: (i32* noalias nofree noundef nonnull returned writeonly preallocated(i32) align 4294967296 dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 392; CHECK-NEXT: ret i32* [[A]] 393; 394 ret i32* %a 395} 396define i32* @complicated_args_preallocated() { 397; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn 398; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 399; IS__TUNIT_OPM-SAME: () #[[ATTR0:[0-9]+]] { 400; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR7:[0-9]+]] 401; 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) #[[ATTR6]] [ "preallocated"(token [[C]]) ] 402; IS__TUNIT_OPM-NEXT: ret i32* [[CALL]] 403; 404; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 405; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 406; IS__TUNIT_NPM-SAME: () #[[ATTR0:[0-9]+]] { 407; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR6:[0-9]+]] 408; 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) #[[ATTR5]] [ "preallocated"(token [[C]]) ] 409; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]] 410; 411; IS__CGSCC____: Function Attrs: nofree nosync nounwind willreturn 412; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_preallocated 413; IS__CGSCC____-SAME: () #[[ATTR0:[0-9]+]] { 414; IS__CGSCC____-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR7:[0-9]+]] 415; IS__CGSCC____-NEXT: ret i32* null 416; 417 %c = call token @llvm.call.preallocated.setup(i32 1) 418 %call = call i32* @test_preallocated(i32* preallocated(i32) null) ["preallocated"(token %c)] 419 ret i32* %call 420} 421 422define internal void @test_sret(%struct.X* sret(%struct.X) %a, %struct.X** %b) { 423; 424; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 425; CHECK-LABEL: define {{[^@]+}}@test_sret 426; CHECK-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]+]] { 427; CHECK-NEXT: store %struct.X* [[A]], %struct.X** [[B]], align 8 428; CHECK-NEXT: ret void 429; 430 store %struct.X* %a, %struct.X** %b 431 ret void 432} 433; FIXME: Alignment and dereferenceability are not propagated to the argument 434define void @complicated_args_sret(%struct.X** %b) { 435; 436; 437; IS__TUNIT_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 438; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_sret 439; IS__TUNIT_OPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] { 440; IS__TUNIT_OPM-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]]) #[[ATTR8:[0-9]+]] 441; IS__TUNIT_OPM-NEXT: ret void 442; 443; IS__TUNIT_NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 444; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_sret 445; IS__TUNIT_NPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] { 446; IS__TUNIT_NPM-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]]) #[[ATTR7:[0-9]+]] 447; IS__TUNIT_NPM-NEXT: ret void 448; 449; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 450; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_sret 451; IS__CGSCC____-SAME: (%struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2]] { 452; IS__CGSCC____-NEXT: unreachable 453; 454 call void @test_sret(%struct.X* sret(%struct.X) null, %struct.X** %b) 455 ret void 456} 457 458define internal %struct.X* @test_nest(%struct.X* nest %a) { 459; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 460; IS__CGSCC____-LABEL: define {{[^@]+}}@test_nest 461; IS__CGSCC____-SAME: (%struct.X* nest noalias nofree noundef readnone returned align 4294967296 "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 462; IS__CGSCC____-NEXT: ret %struct.X* [[A]] 463; 464 ret %struct.X* %a 465} 466define %struct.X* @complicated_args_nest() { 467; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 468; CHECK-LABEL: define {{[^@]+}}@complicated_args_nest 469; CHECK-SAME: () #[[ATTR1]] { 470; CHECK-NEXT: ret %struct.X* null 471; 472 %call = call %struct.X* @test_nest(%struct.X* null) 473 ret %struct.X* %call 474} 475 476@S = external global %struct.X 477define internal void @test_byval(%struct.X* byval(%struct.X) %a) { 478; IS________OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 479; IS________OPM-LABEL: define {{[^@]+}}@test_byval 480; IS________OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull writeonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 481; IS________OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 482; IS________OPM-NEXT: store i8* null, i8** [[G0]], align 8 483; IS________OPM-NEXT: ret void 484; 485; IS________NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 486; IS________NPM-LABEL: define {{[^@]+}}@test_byval 487; IS________NPM-SAME: (i8* [[TMP0:%.*]]) #[[ATTR2]] { 488; IS________NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 489; IS________NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 490; IS________NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 491; IS________NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 492; IS________NPM-NEXT: store i8* null, i8** [[G0]], align 8 493; IS________NPM-NEXT: ret void 494; 495 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 496 store i8* null, i8** %g0 497 ret void 498} 499define void @complicated_args_byval() { 500; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 501; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 502; IS__TUNIT_OPM-SAME: () #[[ATTR3:[0-9]+]] { 503; IS__TUNIT_OPM-NEXT: call void @test_byval(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) #[[ATTR8]] 504; IS__TUNIT_OPM-NEXT: ret void 505; 506; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 507; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 508; IS__TUNIT_NPM-SAME: () #[[ATTR3:[0-9]+]] { 509; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 510; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 511; IS__TUNIT_NPM-NEXT: call void @test_byval(i8* [[TMP1]]) #[[ATTR7]] 512; IS__TUNIT_NPM-NEXT: ret void 513; 514; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 515; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 516; IS__CGSCC_OPM-SAME: () #[[ATTR1]] { 517; IS__CGSCC_OPM-NEXT: call void @test_byval(%struct.X* noalias nocapture nofree noundef nonnull readnone byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) #[[ATTR8:[0-9]+]] 518; IS__CGSCC_OPM-NEXT: ret void 519; 520; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readonly willreturn 521; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 522; IS__CGSCC_NPM-SAME: () #[[ATTR3:[0-9]+]] { 523; IS__CGSCC_NPM-NEXT: ret void 524; 525 call void @test_byval(%struct.X* byval(%struct.X) @S) 526 ret void 527} 528 529declare void @sync() 530; Make sure we *do not* load @S here! 531define internal i8*@test_byval2(%struct.X* byval(%struct.X) %a) { 532; IS________OPM-LABEL: define {{[^@]+}}@test_byval2 533; IS________OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) { 534; IS________OPM-NEXT: call void @sync() 535; IS________OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 536; IS________OPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 537; IS________OPM-NEXT: ret i8* [[L]] 538; 539; IS________NPM-LABEL: define {{[^@]+}}@test_byval2 540; IS________NPM-SAME: (i8* [[TMP0:%.*]]) { 541; IS________NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 542; IS________NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 543; IS________NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 544; IS________NPM-NEXT: call void @sync() 545; IS________NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 546; IS________NPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 547; IS________NPM-NEXT: ret i8* [[L]] 548; 549 call void @sync() 550 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 551 %l = load i8*, i8** %g0 552 ret i8* %l 553} 554define i8* @complicated_args_byval2() { 555; 556; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 557; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call i8* @test_byval2(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) 558; IS__TUNIT_OPM-NEXT: ret i8* [[C]] 559; 560; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 561; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 562; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 563; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* [[TMP1]]) 564; IS__TUNIT_NPM-NEXT: ret i8* [[C]] 565; 566; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 567; 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) 568; IS__CGSCC_OPM-NEXT: ret i8* [[C]] 569; 570; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 571; IS__CGSCC_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** getelementptr inbounds ([[STRUCT_X:%.*]], %struct.X* @S, i32 0, i32 0), align 8 572; IS__CGSCC_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* noalias nofree readnone "no-capture-maybe-returned" [[TMP1]]) 573; IS__CGSCC_NPM-NEXT: ret i8* [[TMP1]] 574; 575 %c = call i8* @test_byval2(%struct.X* byval(%struct.X) @S) 576 ret i8* %c 577} 578 579define void @fixpoint_changed(i32* %p) { 580; IS__TUNIT_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind writeonly 581; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 582; IS__TUNIT_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR4:[0-9]+]] { 583; IS__TUNIT_OPM-NEXT: entry: 584; IS__TUNIT_OPM-NEXT: br label [[FOR_COND:%.*]] 585; IS__TUNIT_OPM: for.cond: 586; IS__TUNIT_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 587; IS__TUNIT_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 588; IS__TUNIT_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 589; IS__TUNIT_OPM: for.body: 590; IS__TUNIT_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 591; IS__TUNIT_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 592; IS__TUNIT_OPM-NEXT: ] 593; IS__TUNIT_OPM: sw.bb: 594; IS__TUNIT_OPM-NEXT: br label [[SW_EPILOG]] 595; IS__TUNIT_OPM: sw.epilog: 596; IS__TUNIT_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 597; IS__TUNIT_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 598; IS__TUNIT_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 599; IS__TUNIT_OPM-NEXT: br label [[FOR_COND]] 600; IS__TUNIT_OPM: for.end: 601; IS__TUNIT_OPM-NEXT: ret void 602; 603; IS________NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 604; IS________NPM-LABEL: define {{[^@]+}}@fixpoint_changed 605; IS________NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR2]] { 606; IS________NPM-NEXT: entry: 607; IS________NPM-NEXT: br label [[FOR_COND:%.*]] 608; IS________NPM: for.cond: 609; IS________NPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 610; IS________NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 611; IS________NPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 612; IS________NPM: for.body: 613; IS________NPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 614; IS________NPM-NEXT: i32 1, label [[SW_BB:%.*]] 615; IS________NPM-NEXT: ] 616; IS________NPM: sw.bb: 617; IS________NPM-NEXT: br label [[SW_EPILOG]] 618; IS________NPM: sw.epilog: 619; IS________NPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 620; IS________NPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 621; IS________NPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 622; IS________NPM-NEXT: br label [[FOR_COND]] 623; IS________NPM: for.end: 624; IS________NPM-NEXT: ret void 625; 626; IS__CGSCC_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind writeonly 627; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 628; IS__CGSCC_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3:[0-9]+]] { 629; IS__CGSCC_OPM-NEXT: entry: 630; IS__CGSCC_OPM-NEXT: br label [[FOR_COND:%.*]] 631; IS__CGSCC_OPM: for.cond: 632; IS__CGSCC_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 633; IS__CGSCC_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 634; IS__CGSCC_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 635; IS__CGSCC_OPM: for.body: 636; IS__CGSCC_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 637; IS__CGSCC_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 638; IS__CGSCC_OPM-NEXT: ] 639; IS__CGSCC_OPM: sw.bb: 640; IS__CGSCC_OPM-NEXT: br label [[SW_EPILOG]] 641; IS__CGSCC_OPM: sw.epilog: 642; IS__CGSCC_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 643; IS__CGSCC_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 644; IS__CGSCC_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 645; IS__CGSCC_OPM-NEXT: br label [[FOR_COND]] 646; IS__CGSCC_OPM: for.end: 647; IS__CGSCC_OPM-NEXT: ret void 648; 649entry: 650 br label %for.cond 651 652for.cond: 653 %j.0 = phi i32 [ 0, %entry ], [ %inc, %sw.epilog ] 654 %cmp = icmp slt i32 %j.0, 30 655 br i1 %cmp, label %for.body, label %for.end 656 657for.body: 658 switch i32 %j.0, label %sw.epilog [ 659 i32 1, label %sw.bb 660 ] 661 662sw.bb: 663 br label %sw.epilog 664 665sw.epilog: 666 %x.0 = phi i32 [ 255, %for.body ], [ 253, %sw.bb ] 667 store i32 %x.0, i32* %p 668 %inc = add nsw i32 %j.0, 1 669 br label %for.cond 670 671for.end: 672 ret void 673} 674 675; Check we merge undef and a constant properly. 676define i8 @caller0() { 677; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 678; CHECK-LABEL: define {{[^@]+}}@caller0 679; CHECK-SAME: () #[[ATTR1]] { 680; CHECK-NEXT: ret i8 49 681; 682 %c = call i8 @callee(i8 undef) 683 ret i8 %c 684} 685define i8 @caller1() { 686; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 687; CHECK-LABEL: define {{[^@]+}}@caller1 688; CHECK-SAME: () #[[ATTR1]] { 689; CHECK-NEXT: ret i8 49 690; 691 %c = call i8 @callee(i8 undef) 692 ret i8 %c 693} 694define i8 @caller2() { 695; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 696; CHECK-LABEL: define {{[^@]+}}@caller2 697; CHECK-SAME: () #[[ATTR1]] { 698; CHECK-NEXT: ret i8 49 699; 700 %c = call i8 @callee(i8 undef) 701 ret i8 %c 702} 703define i8 @caller_middle() { 704; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 705; CHECK-LABEL: define {{[^@]+}}@caller_middle 706; CHECK-SAME: () #[[ATTR1]] { 707; CHECK-NEXT: ret i8 49 708; 709 %c = call i8 @callee(i8 42) 710 ret i8 %c 711} 712define i8 @caller3() { 713; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 714; CHECK-LABEL: define {{[^@]+}}@caller3 715; CHECK-SAME: () #[[ATTR1]] { 716; CHECK-NEXT: ret i8 49 717; 718 %c = call i8 @callee(i8 undef) 719 ret i8 %c 720} 721define i8 @caller4() { 722; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 723; CHECK-LABEL: define {{[^@]+}}@caller4 724; CHECK-SAME: () #[[ATTR1]] { 725; CHECK-NEXT: ret i8 49 726; 727 %c = call i8 @callee(i8 undef) 728 ret i8 %c 729} 730define internal i8 @callee(i8 %a) { 731; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 732; IS__CGSCC____-LABEL: define {{[^@]+}}@callee 733; IS__CGSCC____-SAME: () #[[ATTR1]] { 734; IS__CGSCC____-NEXT: ret i8 49 735; 736 %c = add i8 %a, 7 737 ret i8 %c 738} 739 740define void @user_as3() { 741; IS__TUNIT____: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 742; IS__TUNIT____-LABEL: define {{[^@]+}}@user_as3 743; IS__TUNIT____-SAME: () #[[ATTR3:[0-9]+]] { 744; IS__TUNIT____-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 745; IS__TUNIT____-NEXT: ret void 746; 747; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 748; IS__CGSCC____-LABEL: define {{[^@]+}}@user_as3 749; IS__CGSCC____-SAME: () #[[ATTR4:[0-9]+]] { 750; IS__CGSCC____-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 751; IS__CGSCC____-NEXT: ret void 752; 753 %call = call fastcc i32 addrspace(3)* @const_ptr_return_as3() 754 store i32 0, i32 addrspace(3)* %call 755 ret void 756} 757define void @user() { 758; IS__TUNIT____: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 759; IS__TUNIT____-LABEL: define {{[^@]+}}@user 760; IS__TUNIT____-SAME: () #[[ATTR3]] { 761; IS__TUNIT____-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 762; IS__TUNIT____-NEXT: ret void 763; 764; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 765; IS__CGSCC____-LABEL: define {{[^@]+}}@user 766; IS__CGSCC____-SAME: () #[[ATTR4]] { 767; IS__CGSCC____-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 768; IS__CGSCC____-NEXT: ret void 769; 770 %call = call fastcc i32* @const_ptr_return() 771 store i32 0, i32* %call 772 ret void 773} 774 775 776define i1 @test_merge_with_undef_values_ptr(i1 %c) { 777; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 778; CHECK-LABEL: define {{[^@]+}}@test_merge_with_undef_values_ptr 779; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 780; CHECK-NEXT: ret i1 false 781; 782 %r1 = call i1 @undef_then_null(i1 %c, i32* undef, i32* undef) 783 ret i1 %r1 784} 785define internal i1 @undef_then_null(i1 %c, i32* %i32Aptr, i32* %i32Bptr) { 786; IS__CGSCC____: Function Attrs: nofree nosync nounwind readnone willreturn 787; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_null 788; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR5:[0-9]+]] { 789; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 790; IS__CGSCC____: a: 791; IS__CGSCC____-NEXT: ret i1 false 792; IS__CGSCC____: b: 793; IS__CGSCC____-NEXT: ret i1 false 794; 795 %cmp1 = icmp eq i32* %i32Aptr, %i32Bptr 796 %cmp2 = icmp eq i1 %cmp1, false 797 %or = or i1 %cmp2, %c 798 br i1 %or, label %a, label %b 799a: 800 %r2 = call i1 @undef_then_null(i1 false, i32* null, i32* null) 801 ret i1 %r2 802b: 803 ret i1 %cmp2 804} 805 806define i1 @test_merge_with_undef_values(i1 %c) { 807; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 808; CHECK-LABEL: define {{[^@]+}}@test_merge_with_undef_values 809; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 810; CHECK-NEXT: ret i1 false 811; 812 %r1 = call i1 @undef_then_1(i1 %c, i32 undef, i32 undef) 813 ret i1 %r1 814} 815define internal i1 @undef_then_1(i1 %c, i32 %i32A, i32 %i32B) { 816; 817; IS__CGSCC____: Function Attrs: nofree nosync nounwind readnone willreturn 818; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_1 819; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR5]] { 820; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 821; IS__CGSCC____: a: 822; IS__CGSCC____-NEXT: ret i1 false 823; IS__CGSCC____: b: 824; IS__CGSCC____-NEXT: ret i1 false 825; 826 %cmp1 = icmp eq i32 %i32A, %i32B 827 %cmp2 = icmp eq i1 %cmp1, false 828 %or = or i1 %cmp2, %c 829 br i1 %or, label %a, label %b 830a: 831 %r2 = call i1 @undef_then_1(i1 false, i32 1, i32 1) 832 ret i1 %r2 833b: 834 ret i1 %cmp2 835} 836 837define i32 @test_select(i32 %c) { 838; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 839; CHECK-LABEL: define {{[^@]+}}@test_select 840; CHECK-SAME: (i32 [[C:%.*]]) #[[ATTR1]] { 841; CHECK-NEXT: ret i32 42 842; 843 %call = call i32 @select(i1 1, i32 42, i32 %c) 844 ret i32 %call 845} 846 847define internal i32 @select(i1 %a, i32 %b, i32 %c) { 848; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 849; IS__CGSCC____-LABEL: define {{[^@]+}}@select 850; IS__CGSCC____-SAME: () #[[ATTR1]] { 851; IS__CGSCC____-NEXT: ret i32 42 852; 853 %s = select i1 %a, i32 %b, i32 %c 854 ret i32 %s 855} 856 857define i1 @icmp() { 858; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 859; CHECK-LABEL: define {{[^@]+}}@icmp 860; CHECK-SAME: () #[[ATTR1]] { 861; CHECK-NEXT: ret i1 true 862; 863 %c = icmp eq i8* null, null 864 ret i1 %c 865} 866 867define void @test_callee_is_undef(void (i32)* %fn) { 868; IS__TUNIT____-LABEL: define {{[^@]+}}@test_callee_is_undef 869; IS__TUNIT____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 870; IS__TUNIT____-NEXT: call void @callee_is_undef() 871; IS__TUNIT____-NEXT: call void @unknown_calle_arg_is_undef(void (i32)* nocapture nofree [[FN]]) 872; IS__TUNIT____-NEXT: ret void 873; 874; IS__CGSCC____-LABEL: define {{[^@]+}}@test_callee_is_undef 875; IS__CGSCC____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 876; IS__CGSCC____-NEXT: call void @callee_is_undef() 877; IS__CGSCC____-NEXT: call void @unknown_calle_arg_is_undef(void (i32)* nocapture nofree noundef nonnull [[FN]]) 878; IS__CGSCC____-NEXT: ret void 879; 880 call void @callee_is_undef(void ()* undef) 881 call void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 undef) 882 ret void 883} 884define internal void @callee_is_undef(void ()* %fn) { 885; 886; CHECK-LABEL: define {{[^@]+}}@callee_is_undef() { 887; CHECK-NEXT: call void poison() 888; CHECK-NEXT: ret void 889; 890 call void %fn() 891 ret void 892} 893define internal void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 %arg) { 894; 895; CHECK-LABEL: define {{[^@]+}}@unknown_calle_arg_is_undef 896; CHECK-SAME: (void (i32)* nocapture nofree noundef nonnull [[FN:%.*]]) { 897; CHECK-NEXT: call void [[FN]](i32 undef) 898; CHECK-NEXT: ret void 899; 900 call void %fn(i32 %arg) 901 ret void 902} 903 904; Taken from 50683 905; {{{ 906 907@g = internal constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (void (i8***)* @f1 to i8*), i8* bitcast (void (i1 (i8*)*)* @f2 to i8*)] } 908 909define internal void @f1(i8*** %a) { 910; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 911; CHECK-LABEL: define {{[^@]+}}@f1 912; CHECK-SAME: (i8*** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 913; CHECK-NEXT: entry: 914; CHECK-NEXT: [[X:%.*]] = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 915; CHECK-NEXT: store i8** [[X]], i8*** [[A]], align 8 916; CHECK-NEXT: ret void 917; 918entry: 919 %x = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 920 store i8** %x , i8*** %a, align 8 921 ret void 922} 923 924define internal void @f2(i1 (i8*)* %a) { 925; CHECK-LABEL: define {{[^@]+}}@f2 926; CHECK-SAME: (i1 (i8*)* [[A:%.*]]) { 927; CHECK-NEXT: cont461: 928; CHECK-NEXT: [[C1:%.*]] = bitcast i1 (i8*)* [[A]] to i8* 929; CHECK-NEXT: call void @f3(i8* [[C1]], i1 (i8*)* nocapture nofree [[A]]) 930; CHECK-NEXT: ret void 931; 932cont461: 933 %c1 = bitcast i1 (i8*)* %a to i8* 934 call void @f3(i8* %c1, i1 (i8*)* %a) 935 ret void 936} 937 938define internal void @f3(i8* %a1, i1 (i8*)* %a) { 939; CHECK-LABEL: define {{[^@]+}}@f3 940; CHECK-SAME: (i8* [[A1:%.*]], i1 (i8*)* nocapture nofree [[A:%.*]]) { 941; CHECK-NEXT: entry: 942; CHECK-NEXT: [[CALL20:%.*]] = call i1 @f9() 943; CHECK-NEXT: br i1 [[CALL20]], label [[LAND_LHS_TRUE:%.*]], label [[IF_END40:%.*]] 944; CHECK: land.lhs.true: 945; CHECK-NEXT: [[TMP0:%.*]] = call i1 [[A]](i8* [[A1]]) 946; CHECK-NEXT: br label [[IF_END40]] 947; CHECK: if.end40: 948; CHECK-NEXT: ret void 949; 950entry: 951 %call20 = call i1 @f9() 952 br i1 %call20, label %land.lhs.true, label %if.end40 953 954land.lhs.true: 955 call i1 %a(i8* %a1) 956 br label %if.end40 957 958if.end40: 959 ret void 960} 961 962define linkonce_odr i1 @f9() { 963; CHECK-LABEL: define {{[^@]+}}@f9() { 964; CHECK-NEXT: entry: 965; CHECK-NEXT: ret i1 false 966; 967entry: 968 ret i1 false 969} 970 971; }}} 972 973 974define i1 @test_cmp_null_after_cast() { 975; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 976; CHECK-LABEL: define {{[^@]+}}@test_cmp_null_after_cast 977; CHECK-SAME: () #[[ATTR1]] { 978; CHECK-NEXT: ret i1 true 979; 980 %c = call i1 @cmp_null_after_cast(i32 0, i8 0) 981 ret i1 %c 982} 983define internal i1 @cmp_null_after_cast(i32 %a, i8 %b) { 984; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 985; IS__CGSCC____-LABEL: define {{[^@]+}}@cmp_null_after_cast 986; IS__CGSCC____-SAME: () #[[ATTR1]] { 987; IS__CGSCC____-NEXT: ret i1 true 988; 989 %t = trunc i32 %a to i8 990 %c = icmp eq i8 %t, %b 991 ret i1 %c 992} 993 994 995declare i8* @m() 996 997define i32 @test(i1 %c) { 998; CHECK-LABEL: define {{[^@]+}}@test 999; CHECK-SAME: (i1 [[C:%.*]]) { 1000; CHECK-NEXT: [[R1:%.*]] = call i32 @ctx_test1(i1 [[C]]) 1001; CHECK-NEXT: [[R2:%.*]] = call i32 @ctx_test2(i1 [[C]]), !range [[RNG0:![0-9]+]] 1002; CHECK-NEXT: [[ADD:%.*]] = add i32 [[R1]], [[R2]] 1003; CHECK-NEXT: ret i32 [[ADD]] 1004; 1005 %r1 = call i32 @ctx_test1(i1 %c) 1006 %r2 = call i32 @ctx_test2(i1 %c) 1007 %add = add i32 %r1, %r2 1008 ret i32 %add 1009} 1010 1011define internal i32 @ctx_test1(i1 %c) { 1012; CHECK-LABEL: define {{[^@]+}}@ctx_test1 1013; CHECK-SAME: (i1 [[C:%.*]]) { 1014; CHECK-NEXT: entry: 1015; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1016; CHECK: then: 1017; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1018; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i64 1019; CHECK-NEXT: br label [[JOIN]] 1020; CHECK: join: 1021; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1022; CHECK-NEXT: [[RET:%.*]] = trunc i64 [[PHI]] to i32 1023; CHECK-NEXT: ret i32 [[RET]] 1024; 1025entry: 1026 br i1 %c, label %then, label %join 1027 1028then: 1029 %m = tail call i8* @m() 1030 %i = ptrtoint i8* %m to i64 1031 br label %join 1032 1033join: 1034 %phi = phi i64 [ %i, %then ], [ undef, %entry ] 1035 %ret = trunc i64 %phi to i32 1036 ret i32 %ret 1037} 1038 1039define internal i32 @ctx_test2(i1 %c) { 1040; CHECK-LABEL: define {{[^@]+}}@ctx_test2 1041; CHECK-SAME: (i1 [[C:%.*]]) { 1042; CHECK-NEXT: entry: 1043; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1044; CHECK: then: 1045; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1046; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i32 1047; CHECK-NEXT: br label [[JOIN]] 1048; CHECK: join: 1049; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1050; CHECK-NEXT: [[RET:%.*]] = lshr i32 [[PHI]], 1 1051; CHECK-NEXT: ret i32 [[RET]] 1052; 1053entry: 1054 br i1 %c, label %then, label %join 1055 1056then: 1057 %m = tail call i8* @m() 1058 %i = ptrtoint i8* %m to i32 1059 br label %join 1060 1061join: 1062 %phi = phi i32 [ %i, %then ], [ undef, %entry ] 1063 %ret = lshr i32 %phi, 1 1064 ret i32 %ret 1065 1066 uselistorder label %join, { 1, 0 } 1067} 1068 1069define i1 @test_liveness(i1 %c) { 1070; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1071; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@test_liveness 1072; IS__TUNIT_OPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1073; IS__TUNIT_OPM-NEXT: entry: 1074; IS__TUNIT_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1075; IS__TUNIT_OPM: t: 1076; IS__TUNIT_OPM-NEXT: br label [[F]] 1077; IS__TUNIT_OPM: f: 1078; IS__TUNIT_OPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1079; IS__TUNIT_OPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR6]] 1080; IS__TUNIT_OPM-NEXT: ret i1 [[RC1]] 1081; 1082; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1083; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_liveness 1084; IS__TUNIT_NPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1085; IS__TUNIT_NPM-NEXT: entry: 1086; IS__TUNIT_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1087; IS__TUNIT_NPM: t: 1088; IS__TUNIT_NPM-NEXT: br label [[F]] 1089; IS__TUNIT_NPM: f: 1090; IS__TUNIT_NPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1091; IS__TUNIT_NPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR5]] 1092; IS__TUNIT_NPM-NEXT: ret i1 [[RC1]] 1093; 1094; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1095; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@test_liveness 1096; IS__CGSCC_OPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1097; IS__CGSCC_OPM-NEXT: entry: 1098; IS__CGSCC_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1099; IS__CGSCC_OPM: t: 1100; IS__CGSCC_OPM-NEXT: br label [[F]] 1101; IS__CGSCC_OPM: f: 1102; IS__CGSCC_OPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1103; IS__CGSCC_OPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR9:[0-9]+]] 1104; IS__CGSCC_OPM-NEXT: ret i1 [[RC1]] 1105; 1106; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1107; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_liveness 1108; IS__CGSCC_NPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1109; IS__CGSCC_NPM-NEXT: entry: 1110; IS__CGSCC_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1111; IS__CGSCC_NPM: t: 1112; IS__CGSCC_NPM-NEXT: br label [[F]] 1113; IS__CGSCC_NPM: f: 1114; IS__CGSCC_NPM-NEXT: ret i1 false 1115; 1116entry: 1117 br i1 %c, label %t, label %f 1118t: 1119 br label %f 1120f: 1121 %p = phi i1 [true, %entry], [false, %t] 1122 %rc1 = call i1 @ret(i1 %p) 1123 ret i1 %rc1 1124} 1125 1126define internal i1 @ret(i1 %c) { 1127; IS________OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1128; IS________OPM-LABEL: define {{[^@]+}}@ret 1129; IS________OPM-SAME: (i1 noundef [[C:%.*]]) #[[ATTR1]] { 1130; IS________OPM-NEXT: entry: 1131; IS________OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1132; IS________OPM: t: 1133; IS________OPM-NEXT: br label [[F]] 1134; IS________OPM: f: 1135; IS________OPM-NEXT: [[P:%.*]] = phi i1 [ [[C]], [[ENTRY:%.*]] ], [ false, [[T]] ] 1136; IS________OPM-NEXT: ret i1 [[P]] 1137; 1138; IS________NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1139; IS________NPM-LABEL: define {{[^@]+}}@ret 1140; IS________NPM-SAME: (i1 noundef [[C:%.*]]) #[[ATTR1]] { 1141; IS________NPM-NEXT: entry: 1142; IS________NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1143; IS________NPM: t: 1144; IS________NPM-NEXT: br label [[F]] 1145; IS________NPM: f: 1146; IS________NPM-NEXT: [[P:%.*]] = phi i1 [ [[C]], [[ENTRY:%.*]] ], [ false, [[T]] ] 1147; IS________NPM-NEXT: ret i1 false 1148; 1149entry: 1150 br i1 %c, label %t, label %f 1151t: 1152 br label %f 1153f: 1154 %p = phi i1 [%c, %entry], [false, %t] 1155 ret i1 %p 1156} 1157 1158declare i8* @unknown() 1159define internal i8 @dead_ret() { 1160; CHECK-LABEL: define {{[^@]+}}@dead_ret() { 1161; CHECK-NEXT: [[R:%.*]] = call i8* @unknown() 1162; CHECK-NEXT: ret i8 undef 1163; 1164 %r = call i8* @unknown() 1165 %l = load i8, i8* %r 1166 ret i8 %l 1167} 1168 1169define void @dead_ret_caller() { 1170; CHECK-LABEL: define {{[^@]+}}@dead_ret_caller() { 1171; CHECK-NEXT: [[R:%.*]] = call i8 @dead_ret() 1172; CHECK-NEXT: ret void 1173; 1174 %r = call i8 @dead_ret() 1175 ret void 1176} 1177 1178declare void @llvm.memcpy(i8* %dest, i8* %src, i32 %len, i1 %isvolatile) 1179define internal i8 @memcpy_uses_store(i8 %arg) { 1180; NOT_TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 1181; NOT_TUNIT_NPM-LABEL: define {{[^@]+}}@memcpy_uses_store 1182; NOT_TUNIT_NPM-SAME: (i8 [[ARG:%.*]]) #[[ATTR0:[0-9]+]] { 1183; NOT_TUNIT_NPM-NEXT: [[SRC:%.*]] = alloca i8, align 1 1184; NOT_TUNIT_NPM-NEXT: [[DST:%.*]] = alloca i8, align 1 1185; NOT_TUNIT_NPM-NEXT: store i8 [[ARG]], i8* [[SRC]], align 1 1186; NOT_TUNIT_NPM-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture nofree noundef nonnull writeonly dereferenceable(1) [[DST]], i8* noalias nocapture nofree noundef nonnull readonly dereferenceable(1) [[SRC]], i32 noundef 1, i1 noundef false) #[[ATTR7:[0-9]+]] 1187; NOT_TUNIT_NPM-NEXT: [[L:%.*]] = load i8, i8* [[DST]], align 1 1188; NOT_TUNIT_NPM-NEXT: ret i8 [[L]] 1189; 1190; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 1191; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@memcpy_uses_store 1192; IS__TUNIT_NPM-SAME: (i8 [[ARG:%.*]]) #[[ATTR0]] { 1193; IS__TUNIT_NPM-NEXT: [[SRC:%.*]] = alloca i8, align 1 1194; IS__TUNIT_NPM-NEXT: [[DST:%.*]] = alloca i8, align 1 1195; IS__TUNIT_NPM-NEXT: store i8 [[ARG]], i8* [[SRC]], align 1 1196; IS__TUNIT_NPM-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture nofree noundef nonnull writeonly dereferenceable(1) [[DST]], i8* noalias nocapture nofree noundef nonnull readonly dereferenceable(1) [[SRC]], i32 noundef 1, i1 noundef false) #[[ATTR6]] 1197; IS__TUNIT_NPM-NEXT: [[L:%.*]] = load i8, i8* [[DST]], align 1 1198; IS__TUNIT_NPM-NEXT: ret i8 [[L]] 1199; 1200 %src = alloca i8 1201 %dst = alloca i8 1202 store i8 %arg, i8* %src 1203 call void @llvm.memcpy(i8* %dst, i8* %src, i32 1, i1 false) 1204 %l = load i8, i8* %dst 1205 ret i8 %l 1206} 1207 1208define i8 @memcpy_uses_store_caller(i8 %arg) { 1209; IS__TUNIT____: Function Attrs: nofree nosync nounwind willreturn 1210; IS__TUNIT____-LABEL: define {{[^@]+}}@memcpy_uses_store_caller 1211; IS__TUNIT____-SAME: (i8 [[ARG:%.*]]) #[[ATTR0]] { 1212; IS__TUNIT____-NEXT: [[R:%.*]] = call i8 @memcpy_uses_store(i8 [[ARG]]) #[[ATTR0]] 1213; IS__TUNIT____-NEXT: ret i8 [[R]] 1214; 1215; IS__CGSCC_OPM: Function Attrs: nofree nosync nounwind readnone willreturn 1216; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@memcpy_uses_store_caller 1217; IS__CGSCC_OPM-SAME: (i8 [[ARG:%.*]]) #[[ATTR5]] { 1218; IS__CGSCC_OPM-NEXT: [[R:%.*]] = call i8 @memcpy_uses_store(i8 [[ARG]]) #[[ATTR10:[0-9]+]] 1219; IS__CGSCC_OPM-NEXT: ret i8 [[R]] 1220; 1221; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind readnone willreturn 1222; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@memcpy_uses_store_caller 1223; IS__CGSCC_NPM-SAME: (i8 [[ARG:%.*]]) #[[ATTR5]] { 1224; IS__CGSCC_NPM-NEXT: [[R:%.*]] = call i8 @memcpy_uses_store(i8 [[ARG]]) #[[ATTR8:[0-9]+]] 1225; IS__CGSCC_NPM-NEXT: ret i8 [[R]] 1226; 1227 %r = call i8 @memcpy_uses_store(i8 %arg) 1228 ret i8 %r 1229} 1230 1231 1232;. 1233; IS__TUNIT_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1234; IS__TUNIT_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1235; IS__TUNIT_OPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1236; IS__TUNIT_OPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1237; IS__TUNIT_OPM: attributes #[[ATTR4]] = { argmemonly nofree norecurse nosync nounwind writeonly } 1238; IS__TUNIT_OPM: attributes #[[ATTR5:[0-9]+]] = { argmemonly nofree nounwind willreturn } 1239; IS__TUNIT_OPM: attributes #[[ATTR6]] = { nofree nosync nounwind readnone willreturn } 1240; IS__TUNIT_OPM: attributes #[[ATTR7]] = { willreturn } 1241; IS__TUNIT_OPM: attributes #[[ATTR8]] = { nofree nosync nounwind willreturn writeonly } 1242;. 1243; IS__TUNIT_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1244; IS__TUNIT_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1245; IS__TUNIT_NPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1246; IS__TUNIT_NPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1247; IS__TUNIT_NPM: attributes #[[ATTR4:[0-9]+]] = { argmemonly nofree nounwind willreturn } 1248; IS__TUNIT_NPM: attributes #[[ATTR5]] = { nofree nosync nounwind readnone willreturn } 1249; IS__TUNIT_NPM: attributes #[[ATTR6]] = { willreturn } 1250; IS__TUNIT_NPM: attributes #[[ATTR7]] = { nofree nosync nounwind willreturn writeonly } 1251;. 1252; IS__CGSCC_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1253; IS__CGSCC_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1254; IS__CGSCC_OPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1255; IS__CGSCC_OPM: attributes #[[ATTR3]] = { argmemonly nofree norecurse nosync nounwind writeonly } 1256; IS__CGSCC_OPM: attributes #[[ATTR4]] = { nofree norecurse nosync nounwind willreturn writeonly } 1257; IS__CGSCC_OPM: attributes #[[ATTR5]] = { nofree nosync nounwind readnone willreturn } 1258; IS__CGSCC_OPM: attributes #[[ATTR6:[0-9]+]] = { argmemonly nofree nounwind willreturn } 1259; IS__CGSCC_OPM: attributes #[[ATTR7]] = { willreturn } 1260; IS__CGSCC_OPM: attributes #[[ATTR8]] = { nounwind willreturn writeonly } 1261; IS__CGSCC_OPM: attributes #[[ATTR9]] = { readnone willreturn } 1262; IS__CGSCC_OPM: attributes #[[ATTR10]] = { nounwind readnone willreturn } 1263;. 1264; IS__CGSCC_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1265; IS__CGSCC_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1266; IS__CGSCC_NPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1267; IS__CGSCC_NPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind readonly willreturn } 1268; IS__CGSCC_NPM: attributes #[[ATTR4]] = { nofree norecurse nosync nounwind willreturn writeonly } 1269; IS__CGSCC_NPM: attributes #[[ATTR5]] = { nofree nosync nounwind readnone willreturn } 1270; IS__CGSCC_NPM: attributes #[[ATTR6:[0-9]+]] = { argmemonly nofree nounwind willreturn } 1271; IS__CGSCC_NPM: attributes #[[ATTR7]] = { willreturn } 1272; IS__CGSCC_NPM: attributes #[[ATTR8]] = { nounwind readnone willreturn } 1273;. 1274; CHECK: [[RNG0]] = !{i32 0, i32 -2147483648} 1275;. 1276