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; 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 undef 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 undef 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 undef 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 undef 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: [[C:%.*]] = icmp eq i32 7, 7 323; IS__CGSCC____-NEXT: br i1 true, label [[T:%.*]], label [[F:%.*]] 324; IS__CGSCC____: t: 325; IS__CGSCC____-NEXT: ret i32 undef 326; IS__CGSCC____: f: 327; IS__CGSCC____-NEXT: unreachable 328; 329 %c = icmp eq i32 %a, 7 330 br i1 %c, label %t, label %f 331t: 332 %r = call i32 @ipccp4ia(i1 %c) 333 ret i32 %r 334f: 335 ret i32 1 336} 337 338define i32 @ipccp4(i1 %c) { 339; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 340; CHECK-LABEL: define {{[^@]+}}@ipccp4 341; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 342; CHECK-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 343; CHECK: t: 344; CHECK-NEXT: br label [[F]] 345; CHECK: f: 346; CHECK-NEXT: ret i32 0 347; 348 br i1 %c, label %t, label %f 349t: 350 %q = call i32 @ipccp4ia(i1 undef) 351 br label %f 352f: 353 %r = call i32 @ipccp4ib(i32 7) 354 ret i32 %r 355} 356 357; Do not touch complicated arguments (for now) 358%struct.X = type { i8* } 359define internal i32* @test_inalloca(i32* inalloca(i32) %a) { 360; IS__TUNIT____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 361; IS__TUNIT____-LABEL: define {{[^@]+}}@test_inalloca 362; IS__TUNIT____-SAME: (i32* noalias nofree nonnull returned writeonly inalloca(i32) dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 363; IS__TUNIT____-NEXT: ret i32* [[A]] 364; 365; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 366; IS__CGSCC____-LABEL: define {{[^@]+}}@test_inalloca 367; IS__CGSCC____-SAME: (i32* noalias nofree noundef nonnull returned writeonly inalloca(i32) dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 368; IS__CGSCC____-NEXT: ret i32* [[A]] 369; 370 ret i32* %a 371} 372define i32* @complicated_args_inalloca(i32* %arg) { 373; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 374; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_inalloca 375; IS__TUNIT_OPM-SAME: (i32* nofree readnone "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 376; IS__TUNIT_OPM-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_OPM-NEXT: ret i32* [[CALL]] 378; 379; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 380; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_inalloca 381; IS__TUNIT_NPM-SAME: (i32* nofree readnone "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 382; IS__TUNIT_NPM-NEXT: [[CALL:%.*]] = call nonnull dereferenceable(4) i32* @test_inalloca(i32* noalias nofree writeonly inalloca(i32) "no-capture-maybe-returned" [[ARG]]) #[[ATTR4:[0-9]+]] 383; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]] 384; 385; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 386; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_inalloca 387; IS__CGSCC____-SAME: (i32* nofree noundef nonnull readnone returned dereferenceable(4) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR1]] { 388; IS__CGSCC____-NEXT: ret i32* [[ARG]] 389; 390 %call = call i32* @test_inalloca(i32* inalloca(i32) %arg) 391 ret i32* %call 392} 393 394define internal i32* @test_preallocated(i32* preallocated(i32) %a) { 395; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 396; CHECK-LABEL: define {{[^@]+}}@test_preallocated 397; CHECK-SAME: (i32* noalias nofree noundef nonnull returned writeonly preallocated(i32) align 4294967296 dereferenceable(4) "no-capture-maybe-returned" [[A:%.*]]) #[[ATTR1]] { 398; CHECK-NEXT: ret i32* [[A]] 399; 400 ret i32* %a 401} 402define i32* @complicated_args_preallocated() { 403; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn 404; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 405; IS__TUNIT_OPM-SAME: () #[[ATTR0:[0-9]+]] { 406; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR6:[0-9]+]] 407; 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) #[[ATTR5]] [ "preallocated"(token [[C]]) ] 408; IS__TUNIT_OPM-NEXT: ret i32* [[CALL]] 409; 410; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn 411; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 412; IS__TUNIT_NPM-SAME: () #[[ATTR0:[0-9]+]] { 413; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]] 414; 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) #[[ATTR4]] [ "preallocated"(token [[C]]) ] 415; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]] 416; 417; IS__CGSCC_OPM: Function Attrs: nofree nosync nounwind willreturn 418; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 419; IS__CGSCC_OPM-SAME: () #[[ATTR0:[0-9]+]] { 420; IS__CGSCC_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]] 421; IS__CGSCC_OPM-NEXT: ret i32* null 422; 423; IS__CGSCC_NPM: Function Attrs: nofree nosync nounwind willreturn 424; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated 425; IS__CGSCC_NPM-SAME: () #[[ATTR0:[0-9]+]] { 426; IS__CGSCC_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR4:[0-9]+]] 427; IS__CGSCC_NPM-NEXT: ret i32* null 428; 429 %c = call token @llvm.call.preallocated.setup(i32 1) 430 %call = call i32* @test_preallocated(i32* preallocated(i32) null) ["preallocated"(token %c)] 431 ret i32* %call 432} 433 434define internal void @test_sret(%struct.X* sret(%struct.X) %a, %struct.X** %b) { 435; 436; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 437; CHECK-LABEL: define {{[^@]+}}@test_sret 438; 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]+]] { 439; CHECK-NEXT: store %struct.X* [[A]], %struct.X** [[B]], align 8 440; CHECK-NEXT: ret void 441; 442 store %struct.X* %a, %struct.X** %b 443 ret void 444} 445; FIXME: Alignment and dereferenceability are not propagated to the argument 446define void @complicated_args_sret(%struct.X** %b) { 447; 448; 449; IS__TUNIT_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 450; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_sret 451; IS__TUNIT_OPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] { 452; 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]]) #[[ATTR7:[0-9]+]] 453; IS__TUNIT_OPM-NEXT: ret void 454; 455; IS__TUNIT_NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 456; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_sret 457; IS__TUNIT_NPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] { 458; 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]]) #[[ATTR6:[0-9]+]] 459; IS__TUNIT_NPM-NEXT: ret void 460; 461; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 462; IS__CGSCC____-LABEL: define {{[^@]+}}@complicated_args_sret 463; IS__CGSCC____-SAME: (%struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2]] { 464; IS__CGSCC____-NEXT: unreachable 465; 466 call void @test_sret(%struct.X* sret(%struct.X) null, %struct.X** %b) 467 ret void 468} 469 470define internal %struct.X* @test_nest(%struct.X* nest %a) { 471; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 472; IS__CGSCC____-LABEL: define {{[^@]+}}@test_nest 473; IS__CGSCC____-SAME: (%struct.X* nest noalias nocapture nofree readnone align 4294967296 [[A:%.*]]) #[[ATTR1]] { 474; IS__CGSCC____-NEXT: ret %struct.X* undef 475; 476 ret %struct.X* %a 477} 478define %struct.X* @complicated_args_nest() { 479; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 480; CHECK-LABEL: define {{[^@]+}}@complicated_args_nest 481; CHECK-SAME: () #[[ATTR1]] { 482; CHECK-NEXT: ret %struct.X* null 483; 484 %call = call %struct.X* @test_nest(%struct.X* null) 485 ret %struct.X* %call 486} 487 488@S = external global %struct.X 489define internal void @test_byval(%struct.X* byval(%struct.X) %a) { 490; IS________OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 491; IS________OPM-LABEL: define {{[^@]+}}@test_byval 492; IS________OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull writeonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 493; IS________OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 494; IS________OPM-NEXT: store i8* null, i8** [[G0]], align 8 495; IS________OPM-NEXT: ret void 496; 497; IS__TUNIT_NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 498; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_byval 499; IS__TUNIT_NPM-SAME: (i8* [[TMP0:%.*]]) #[[ATTR2]] { 500; IS__TUNIT_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 501; IS__TUNIT_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 502; IS__TUNIT_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 503; IS__TUNIT_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 504; IS__TUNIT_NPM-NEXT: store i8* null, i8** [[G0]], align 8 505; IS__TUNIT_NPM-NEXT: ret void 506; 507; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 508; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_byval 509; IS__CGSCC_NPM-SAME: (i8* noalias nocapture nofree readnone [[TMP0:%.*]]) #[[ATTR1]] { 510; IS__CGSCC_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 511; IS__CGSCC_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 512; IS__CGSCC_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 513; IS__CGSCC_NPM-NEXT: ret void 514; 515 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 516 store i8* null, i8** %g0 517 ret void 518} 519define void @complicated_args_byval() { 520; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 521; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 522; IS__TUNIT_OPM-SAME: () #[[ATTR3:[0-9]+]] { 523; IS__TUNIT_OPM-NEXT: call void @test_byval(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) #[[ATTR7]] 524; IS__TUNIT_OPM-NEXT: ret void 525; 526; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 527; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 528; IS__TUNIT_NPM-SAME: () #[[ATTR3:[0-9]+]] { 529; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 530; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 531; IS__TUNIT_NPM-NEXT: call void @test_byval(i8* [[TMP1]]) #[[ATTR6]] 532; IS__TUNIT_NPM-NEXT: ret void 533; 534; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 535; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval 536; IS__CGSCC_OPM-SAME: () #[[ATTR1]] { 537; 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]+]] 538; IS__CGSCC_OPM-NEXT: ret void 539; 540; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 541; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval 542; IS__CGSCC_NPM-SAME: () #[[ATTR1]] { 543; IS__CGSCC_NPM-NEXT: ret void 544; 545 call void @test_byval(%struct.X* byval(%struct.X) @S) 546 ret void 547} 548 549declare void @sync() 550; Make sure we *do not* load @S here! 551define internal i8*@test_byval2(%struct.X* byval(%struct.X) %a) { 552; IS________OPM-LABEL: define {{[^@]+}}@test_byval2 553; IS________OPM-SAME: (%struct.X* noalias nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) [[A:%.*]]) { 554; IS________OPM-NEXT: call void @sync() 555; IS________OPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A]], i32 0, i32 0 556; IS________OPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 557; IS________OPM-NEXT: ret i8* [[L]] 558; 559; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_byval2 560; IS__TUNIT_NPM-SAME: (i8* [[TMP0:%.*]]) { 561; IS__TUNIT_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 562; IS__TUNIT_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 563; IS__TUNIT_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 564; IS__TUNIT_NPM-NEXT: call void @sync() 565; IS__TUNIT_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 566; IS__TUNIT_NPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 567; IS__TUNIT_NPM-NEXT: ret i8* [[L]] 568; 569; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_byval2 570; IS__CGSCC_NPM-SAME: (i8* noalias nofree readnone returned "no-capture-maybe-returned" [[TMP0:%.*]]) { 571; IS__CGSCC_NPM-NEXT: [[A_PRIV:%.*]] = alloca [[STRUCT_X:%.*]], align 8 572; IS__CGSCC_NPM-NEXT: [[A_PRIV_CAST:%.*]] = bitcast %struct.X* [[A_PRIV]] to i8** 573; IS__CGSCC_NPM-NEXT: store i8* [[TMP0]], i8** [[A_PRIV_CAST]], align 8 574; IS__CGSCC_NPM-NEXT: call void @sync() 575; IS__CGSCC_NPM-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X]], %struct.X* [[A_PRIV]], i32 0, i32 0 576; IS__CGSCC_NPM-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8 577; IS__CGSCC_NPM-NEXT: ret i8* [[TMP0]] 578; 579 call void @sync() 580 %g0 = getelementptr %struct.X, %struct.X* %a, i32 0, i32 0 581 %l = load i8*, i8** %g0 582 ret i8* %l 583} 584define i8* @complicated_args_byval2() { 585; 586; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 587; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call i8* @test_byval2(%struct.X* nocapture nofree noundef nonnull readonly byval([[STRUCT_X:%.*]]) align 8 dereferenceable(8) @S) 588; IS__TUNIT_OPM-NEXT: ret i8* [[C]] 589; 590; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 591; IS__TUNIT_NPM-NEXT: [[S_CAST:%.*]] = bitcast %struct.X* @S to i8** 592; IS__TUNIT_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** [[S_CAST]], align 8 593; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* [[TMP1]]) 594; IS__TUNIT_NPM-NEXT: ret i8* [[C]] 595; 596; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 597; 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) 598; IS__CGSCC_OPM-NEXT: ret i8* [[C]] 599; 600; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@complicated_args_byval2() { 601; IS__CGSCC_NPM-NEXT: [[TMP1:%.*]] = load i8*, i8** getelementptr inbounds ([[STRUCT_X:%.*]], %struct.X* @S, i32 0, i32 0), align 8 602; IS__CGSCC_NPM-NEXT: [[C:%.*]] = call i8* @test_byval2(i8* noalias nofree readnone "no-capture-maybe-returned" [[TMP1]]) 603; IS__CGSCC_NPM-NEXT: ret i8* [[TMP1]] 604; 605 %c = call i8* @test_byval2(%struct.X* byval(%struct.X) @S) 606 ret i8* %c 607} 608 609define void @fixpoint_changed(i32* %p) { 610; IS__TUNIT_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind writeonly 611; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 612; IS__TUNIT_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR4:[0-9]+]] { 613; IS__TUNIT_OPM-NEXT: entry: 614; IS__TUNIT_OPM-NEXT: br label [[FOR_COND:%.*]] 615; IS__TUNIT_OPM: for.cond: 616; IS__TUNIT_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 617; IS__TUNIT_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 618; IS__TUNIT_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 619; IS__TUNIT_OPM: for.body: 620; IS__TUNIT_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 621; IS__TUNIT_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 622; IS__TUNIT_OPM-NEXT: ] 623; IS__TUNIT_OPM: sw.bb: 624; IS__TUNIT_OPM-NEXT: br label [[SW_EPILOG]] 625; IS__TUNIT_OPM: sw.epilog: 626; IS__TUNIT_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 627; IS__TUNIT_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 628; IS__TUNIT_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 629; IS__TUNIT_OPM-NEXT: br label [[FOR_COND]] 630; IS__TUNIT_OPM: for.end: 631; IS__TUNIT_OPM-NEXT: ret void 632; 633; IS________NPM: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 634; IS________NPM-LABEL: define {{[^@]+}}@fixpoint_changed 635; IS________NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR2]] { 636; IS________NPM-NEXT: entry: 637; IS________NPM-NEXT: br label [[FOR_COND:%.*]] 638; IS________NPM: for.cond: 639; IS________NPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 640; IS________NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 641; IS________NPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 642; IS________NPM: for.body: 643; IS________NPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 644; IS________NPM-NEXT: i32 1, label [[SW_BB:%.*]] 645; IS________NPM-NEXT: ] 646; IS________NPM: sw.bb: 647; IS________NPM-NEXT: br label [[SW_EPILOG]] 648; IS________NPM: sw.epilog: 649; IS________NPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 650; IS________NPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 651; IS________NPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 652; IS________NPM-NEXT: br label [[FOR_COND]] 653; IS________NPM: for.end: 654; IS________NPM-NEXT: ret void 655; 656; IS__CGSCC_OPM: Function Attrs: argmemonly nofree norecurse nosync nounwind writeonly 657; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@fixpoint_changed 658; IS__CGSCC_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3:[0-9]+]] { 659; IS__CGSCC_OPM-NEXT: entry: 660; IS__CGSCC_OPM-NEXT: br label [[FOR_COND:%.*]] 661; IS__CGSCC_OPM: for.cond: 662; IS__CGSCC_OPM-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[SW_EPILOG:%.*]] ] 663; IS__CGSCC_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[J_0]], 30 664; IS__CGSCC_OPM-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]] 665; IS__CGSCC_OPM: for.body: 666; IS__CGSCC_OPM-NEXT: switch i32 [[J_0]], label [[SW_EPILOG]] [ 667; IS__CGSCC_OPM-NEXT: i32 1, label [[SW_BB:%.*]] 668; IS__CGSCC_OPM-NEXT: ] 669; IS__CGSCC_OPM: sw.bb: 670; IS__CGSCC_OPM-NEXT: br label [[SW_EPILOG]] 671; IS__CGSCC_OPM: sw.epilog: 672; IS__CGSCC_OPM-NEXT: [[X_0:%.*]] = phi i32 [ 255, [[FOR_BODY]] ], [ 253, [[SW_BB]] ] 673; IS__CGSCC_OPM-NEXT: store i32 [[X_0]], i32* [[P]], align 4 674; IS__CGSCC_OPM-NEXT: [[INC]] = add nsw i32 [[J_0]], 1 675; IS__CGSCC_OPM-NEXT: br label [[FOR_COND]] 676; IS__CGSCC_OPM: for.end: 677; IS__CGSCC_OPM-NEXT: ret void 678; 679entry: 680 br label %for.cond 681 682for.cond: 683 %j.0 = phi i32 [ 0, %entry ], [ %inc, %sw.epilog ] 684 %cmp = icmp slt i32 %j.0, 30 685 br i1 %cmp, label %for.body, label %for.end 686 687for.body: 688 switch i32 %j.0, label %sw.epilog [ 689 i32 1, label %sw.bb 690 ] 691 692sw.bb: 693 br label %sw.epilog 694 695sw.epilog: 696 %x.0 = phi i32 [ 255, %for.body ], [ 253, %sw.bb ] 697 store i32 %x.0, i32* %p 698 %inc = add nsw i32 %j.0, 1 699 br label %for.cond 700 701for.end: 702 ret void 703} 704 705; Check we merge undef and a constant properly. 706define i8 @caller0() { 707; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 708; CHECK-LABEL: define {{[^@]+}}@caller0 709; CHECK-SAME: () #[[ATTR1]] { 710; CHECK-NEXT: ret i8 49 711; 712 %c = call i8 @callee(i8 undef) 713 ret i8 %c 714} 715define i8 @caller1() { 716; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 717; CHECK-LABEL: define {{[^@]+}}@caller1 718; CHECK-SAME: () #[[ATTR1]] { 719; CHECK-NEXT: ret i8 49 720; 721 %c = call i8 @callee(i8 undef) 722 ret i8 %c 723} 724define i8 @caller2() { 725; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 726; CHECK-LABEL: define {{[^@]+}}@caller2 727; CHECK-SAME: () #[[ATTR1]] { 728; CHECK-NEXT: ret i8 49 729; 730 %c = call i8 @callee(i8 undef) 731 ret i8 %c 732} 733define i8 @caller_middle() { 734; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 735; CHECK-LABEL: define {{[^@]+}}@caller_middle 736; CHECK-SAME: () #[[ATTR1]] { 737; CHECK-NEXT: ret i8 49 738; 739 %c = call i8 @callee(i8 42) 740 ret i8 %c 741} 742define i8 @caller3() { 743; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 744; CHECK-LABEL: define {{[^@]+}}@caller3 745; CHECK-SAME: () #[[ATTR1]] { 746; CHECK-NEXT: ret i8 49 747; 748 %c = call i8 @callee(i8 undef) 749 ret i8 %c 750} 751define i8 @caller4() { 752; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 753; CHECK-LABEL: define {{[^@]+}}@caller4 754; CHECK-SAME: () #[[ATTR1]] { 755; CHECK-NEXT: ret i8 49 756; 757 %c = call i8 @callee(i8 undef) 758 ret i8 %c 759} 760define internal i8 @callee(i8 %a) { 761; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 762; IS__CGSCC____-LABEL: define {{[^@]+}}@callee 763; IS__CGSCC____-SAME: () #[[ATTR1]] { 764; IS__CGSCC____-NEXT: ret i8 undef 765; 766 %c = add i8 %a, 7 767 ret i8 %c 768} 769 770define void @user_as3() { 771; NOT_CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 772; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@user_as3 773; NOT_CGSCC_OPM-SAME: () #[[ATTR3:[0-9]+]] { 774; NOT_CGSCC_OPM-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 775; NOT_CGSCC_OPM-NEXT: ret void 776; 777; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 778; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@user_as3 779; IS__CGSCC_OPM-SAME: () #[[ATTR4:[0-9]+]] { 780; IS__CGSCC_OPM-NEXT: store i32 0, i32 addrspace(3)* @ConstAS3Ptr, align 4 781; IS__CGSCC_OPM-NEXT: ret void 782; 783 %call = call fastcc i32 addrspace(3)* @const_ptr_return_as3() 784 store i32 0, i32 addrspace(3)* %call 785 ret void 786} 787define void @user() { 788; NOT_CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 789; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@user 790; NOT_CGSCC_OPM-SAME: () #[[ATTR3]] { 791; NOT_CGSCC_OPM-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 792; NOT_CGSCC_OPM-NEXT: ret void 793; 794; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind willreturn writeonly 795; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@user 796; IS__CGSCC_OPM-SAME: () #[[ATTR4]] { 797; IS__CGSCC_OPM-NEXT: store i32 0, i32* addrspacecast (i32 addrspace(3)* @ConstAS3Ptr to i32*), align 4 798; IS__CGSCC_OPM-NEXT: ret void 799; 800 %call = call fastcc i32* @const_ptr_return() 801 store i32 0, i32* %call 802 ret void 803} 804 805 806define i1 @test_merge_with_undef_values_ptr(i1 %c) { 807; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 808; CHECK-LABEL: define {{[^@]+}}@test_merge_with_undef_values_ptr 809; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 810; CHECK-NEXT: ret i1 false 811; 812 %r1 = call i1 @undef_then_null(i1 %c, i32* undef, i32* undef) 813 ret i1 %r1 814} 815define internal i1 @undef_then_null(i1 %c, i32* %i32Aptr, i32* %i32Bptr) { 816; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 817; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_null 818; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 819; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 820; IS__CGSCC____: a: 821; IS__CGSCC____-NEXT: ret i1 undef 822; IS__CGSCC____: b: 823; IS__CGSCC____-NEXT: ret i1 undef 824; 825 %cmp1 = icmp eq i32* %i32Aptr, %i32Bptr 826 %cmp2 = icmp eq i1 %cmp1, false 827 %or = or i1 %cmp2, %c 828 br i1 %or, label %a, label %b 829a: 830 %r2 = call i1 @undef_then_null(i1 false, i32* null, i32* null) 831 ret i1 %r2 832b: 833 ret i1 %cmp2 834} 835 836define i1 @test_merge_with_undef_values(i1 %c) { 837; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 838; CHECK-LABEL: define {{[^@]+}}@test_merge_with_undef_values 839; CHECK-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 840; CHECK-NEXT: ret i1 false 841; 842 %r1 = call i1 @undef_then_1(i1 %c, i32 undef, i32 undef) 843 ret i1 %r1 844} 845define internal i1 @undef_then_1(i1 %c, i32 %i32A, i32 %i32B) { 846; 847; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 848; IS__CGSCC____-LABEL: define {{[^@]+}}@undef_then_1 849; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 850; IS__CGSCC____-NEXT: br i1 [[C]], label [[A:%.*]], label [[B:%.*]] 851; IS__CGSCC____: a: 852; IS__CGSCC____-NEXT: ret i1 undef 853; IS__CGSCC____: b: 854; IS__CGSCC____-NEXT: ret i1 undef 855; 856 %cmp1 = icmp eq i32 %i32A, %i32B 857 %cmp2 = icmp eq i1 %cmp1, false 858 %or = or i1 %cmp2, %c 859 br i1 %or, label %a, label %b 860a: 861 %r2 = call i1 @undef_then_1(i1 false, i32 1, i32 1) 862 ret i1 %r2 863b: 864 ret i1 %cmp2 865} 866 867define i32 @test_select(i32 %c) { 868; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 869; CHECK-LABEL: define {{[^@]+}}@test_select 870; CHECK-SAME: (i32 [[C:%.*]]) #[[ATTR1]] { 871; CHECK-NEXT: ret i32 42 872; 873 %call = call i32 @select(i1 1, i32 42, i32 %c) 874 ret i32 %call 875} 876 877define internal i32 @select(i1 %a, i32 %b, i32 %c) { 878; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 879; IS__CGSCC____-LABEL: define {{[^@]+}}@select 880; IS__CGSCC____-SAME: () #[[ATTR1]] { 881; IS__CGSCC____-NEXT: ret i32 undef 882; 883 %s = select i1 %a, i32 %b, i32 %c 884 ret i32 %s 885} 886 887define i1 @icmp() { 888; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 889; CHECK-LABEL: define {{[^@]+}}@icmp 890; CHECK-SAME: () #[[ATTR1]] { 891; CHECK-NEXT: ret i1 true 892; 893 %c = icmp eq i8* null, null 894 ret i1 %c 895} 896 897define void @test_callee_is_undef(void (i32)* %fn) { 898; IS__TUNIT____-LABEL: define {{[^@]+}}@test_callee_is_undef 899; IS__TUNIT____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 900; IS__TUNIT____-NEXT: call void @callee_is_undef() 901; IS__TUNIT____-NEXT: call void @unknown_calle_arg_is_undef(void (i32)* nocapture nofree [[FN]]) 902; IS__TUNIT____-NEXT: ret void 903; 904; IS__CGSCC____-LABEL: define {{[^@]+}}@test_callee_is_undef 905; IS__CGSCC____-SAME: (void (i32)* nocapture nofree [[FN:%.*]]) { 906; IS__CGSCC____-NEXT: call void @callee_is_undef() 907; IS__CGSCC____-NEXT: call void @unknown_calle_arg_is_undef(void (i32)* nocapture nofree noundef nonnull [[FN]]) 908; IS__CGSCC____-NEXT: ret void 909; 910 call void @callee_is_undef(void ()* undef) 911 call void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 undef) 912 ret void 913} 914define internal void @callee_is_undef(void ()* %fn) { 915; 916; CHECK-LABEL: define {{[^@]+}}@callee_is_undef() { 917; CHECK-NEXT: call void undef() 918; CHECK-NEXT: ret void 919; 920 call void %fn() 921 ret void 922} 923define internal void @unknown_calle_arg_is_undef(void (i32)* %fn, i32 %arg) { 924; 925; CHECK-LABEL: define {{[^@]+}}@unknown_calle_arg_is_undef 926; CHECK-SAME: (void (i32)* nocapture nofree noundef nonnull [[FN:%.*]]) { 927; CHECK-NEXT: call void [[FN]](i32 undef) 928; CHECK-NEXT: ret void 929; 930 call void %fn(i32 %arg) 931 ret void 932} 933 934; Taken from 50683 935; {{{ 936 937@g = internal constant { [2 x i8*] } { [2 x i8*] [i8* bitcast (void (i8***)* @f1 to i8*), i8* bitcast (void (i1 (i8*)*)* @f2 to i8*)] } 938 939define internal void @f1(i8*** %a) { 940; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly 941; CHECK-LABEL: define {{[^@]+}}@f1 942; CHECK-SAME: (i8*** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[A:%.*]]) #[[ATTR2]] { 943; CHECK-NEXT: entry: 944; CHECK-NEXT: [[X:%.*]] = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 945; CHECK-NEXT: store i8** [[X]], i8*** [[A]], align 8 946; CHECK-NEXT: ret void 947; 948entry: 949 %x = getelementptr { [2 x i8*] }, { [2 x i8*] }* @g, i32 0, i32 0, i32 0 950 store i8** %x , i8*** %a, align 8 951 ret void 952} 953 954define internal void @f2(i1 (i8*)* %a) { 955; CHECK-LABEL: define {{[^@]+}}@f2 956; CHECK-SAME: (i1 (i8*)* [[A:%.*]]) { 957; CHECK-NEXT: cont461: 958; CHECK-NEXT: [[C1:%.*]] = bitcast i1 (i8*)* [[A]] to i8* 959; CHECK-NEXT: call void @f3(i8* [[C1]], i1 (i8*)* nocapture nofree [[A]]) 960; CHECK-NEXT: ret void 961; 962cont461: 963 %c1 = bitcast i1 (i8*)* %a to i8* 964 call void @f3(i8* %c1, i1 (i8*)* %a) 965 ret void 966} 967 968define internal void @f3(i8* %a1, i1 (i8*)* %a) { 969; CHECK-LABEL: define {{[^@]+}}@f3 970; CHECK-SAME: (i8* [[A1:%.*]], i1 (i8*)* nocapture nofree [[A:%.*]]) { 971; CHECK-NEXT: entry: 972; CHECK-NEXT: [[CALL20:%.*]] = call i1 @f9() 973; CHECK-NEXT: br i1 [[CALL20]], label [[LAND_LHS_TRUE:%.*]], label [[IF_END40:%.*]] 974; CHECK: land.lhs.true: 975; CHECK-NEXT: [[TMP0:%.*]] = call i1 [[A]](i8* [[A1]]) 976; CHECK-NEXT: br label [[IF_END40]] 977; CHECK: if.end40: 978; CHECK-NEXT: ret void 979; 980entry: 981 %call20 = call i1 @f9() 982 br i1 %call20, label %land.lhs.true, label %if.end40 983 984land.lhs.true: 985 call i1 %a(i8* %a1) 986 br label %if.end40 987 988if.end40: 989 ret void 990} 991 992define linkonce_odr i1 @f9() { 993; CHECK-LABEL: define {{[^@]+}}@f9() { 994; CHECK-NEXT: entry: 995; CHECK-NEXT: ret i1 false 996; 997entry: 998 ret i1 false 999} 1000 1001; }}} 1002 1003 1004define i1 @test_cmp_null_after_cast() { 1005; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1006; CHECK-LABEL: define {{[^@]+}}@test_cmp_null_after_cast 1007; CHECK-SAME: () #[[ATTR1]] { 1008; CHECK-NEXT: ret i1 true 1009; 1010 %c = call i1 @cmp_null_after_cast(i32 0, i8 0) 1011 ret i1 %c 1012} 1013define internal i1 @cmp_null_after_cast(i32 %a, i8 %b) { 1014; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1015; IS__CGSCC____-LABEL: define {{[^@]+}}@cmp_null_after_cast 1016; IS__CGSCC____-SAME: () #[[ATTR1]] { 1017; IS__CGSCC____-NEXT: ret i1 undef 1018; 1019 %t = trunc i32 %a to i8 1020 %c = icmp eq i8 %t, %b 1021 ret i1 %c 1022} 1023 1024 1025declare i8* @m() 1026 1027define i32 @test(i1 %c) { 1028; CHECK-LABEL: define {{[^@]+}}@test 1029; CHECK-SAME: (i1 [[C:%.*]]) { 1030; CHECK-NEXT: [[R1:%.*]] = call i32 @ctx_test1(i1 [[C]]) 1031; CHECK-NEXT: [[R2:%.*]] = call i32 @ctx_test2(i1 [[C]]), !range [[RNG0:![0-9]+]] 1032; CHECK-NEXT: [[ADD:%.*]] = add i32 [[R1]], [[R2]] 1033; CHECK-NEXT: ret i32 [[ADD]] 1034; 1035 %r1 = call i32 @ctx_test1(i1 %c) 1036 %r2 = call i32 @ctx_test2(i1 %c) 1037 %add = add i32 %r1, %r2 1038 ret i32 %add 1039} 1040 1041define internal i32 @ctx_test1(i1 %c) { 1042; CHECK-LABEL: define {{[^@]+}}@ctx_test1 1043; CHECK-SAME: (i1 [[C:%.*]]) { 1044; CHECK-NEXT: entry: 1045; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1046; CHECK: then: 1047; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1048; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i64 1049; CHECK-NEXT: br label [[JOIN]] 1050; CHECK: join: 1051; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1052; CHECK-NEXT: [[RET:%.*]] = trunc i64 [[PHI]] to i32 1053; CHECK-NEXT: ret i32 [[RET]] 1054; 1055entry: 1056 br i1 %c, label %then, label %join 1057 1058then: 1059 %m = tail call i8* @m() 1060 %i = ptrtoint i8* %m to i64 1061 br label %join 1062 1063join: 1064 %phi = phi i64 [ %i, %then ], [ undef, %entry ] 1065 %ret = trunc i64 %phi to i32 1066 ret i32 %ret 1067} 1068 1069define internal i32 @ctx_test2(i1 %c) { 1070; CHECK-LABEL: define {{[^@]+}}@ctx_test2 1071; CHECK-SAME: (i1 [[C:%.*]]) { 1072; CHECK-NEXT: entry: 1073; CHECK-NEXT: br i1 [[C]], label [[THEN:%.*]], label [[JOIN:%.*]] 1074; CHECK: then: 1075; CHECK-NEXT: [[M:%.*]] = tail call i8* @m() 1076; CHECK-NEXT: [[I:%.*]] = ptrtoint i8* [[M]] to i32 1077; CHECK-NEXT: br label [[JOIN]] 1078; CHECK: join: 1079; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ [[I]], [[THEN]] ], [ undef, [[ENTRY:%.*]] ] 1080; CHECK-NEXT: [[RET:%.*]] = lshr i32 [[PHI]], 1 1081; CHECK-NEXT: ret i32 [[RET]] 1082; 1083entry: 1084 br i1 %c, label %then, label %join 1085 1086then: 1087 %m = tail call i8* @m() 1088 %i = ptrtoint i8* %m to i32 1089 br label %join 1090 1091join: 1092 %phi = phi i32 [ %i, %then ], [ undef, %entry ] 1093 %ret = lshr i32 %phi, 1 1094 ret i32 %ret 1095 1096 uselistorder label %join, { 1, 0 } 1097} 1098 1099define i1 @test_liveness(i1 %c) { 1100; IS__TUNIT_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1101; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@test_liveness 1102; IS__TUNIT_OPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1103; IS__TUNIT_OPM-NEXT: entry: 1104; IS__TUNIT_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1105; IS__TUNIT_OPM: t: 1106; IS__TUNIT_OPM-NEXT: br label [[F]] 1107; IS__TUNIT_OPM: f: 1108; IS__TUNIT_OPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1109; IS__TUNIT_OPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR5]] 1110; IS__TUNIT_OPM-NEXT: ret i1 [[RC1]] 1111; 1112; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1113; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@test_liveness 1114; IS__TUNIT_NPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1115; IS__TUNIT_NPM-NEXT: entry: 1116; IS__TUNIT_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1117; IS__TUNIT_NPM: t: 1118; IS__TUNIT_NPM-NEXT: br label [[F]] 1119; IS__TUNIT_NPM: f: 1120; IS__TUNIT_NPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1121; IS__TUNIT_NPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR4]] 1122; IS__TUNIT_NPM-NEXT: ret i1 [[RC1]] 1123; 1124; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1125; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@test_liveness 1126; IS__CGSCC_OPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1127; IS__CGSCC_OPM-NEXT: entry: 1128; IS__CGSCC_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1129; IS__CGSCC_OPM: t: 1130; IS__CGSCC_OPM-NEXT: br label [[F]] 1131; IS__CGSCC_OPM: f: 1132; IS__CGSCC_OPM-NEXT: [[P:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ false, [[T]] ] 1133; IS__CGSCC_OPM-NEXT: [[RC1:%.*]] = call noundef i1 @ret(i1 noundef [[P]]) #[[ATTR7:[0-9]+]] 1134; IS__CGSCC_OPM-NEXT: ret i1 [[RC1]] 1135; 1136; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1137; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@test_liveness 1138; IS__CGSCC_NPM-SAME: (i1 [[C:%.*]]) #[[ATTR1]] { 1139; IS__CGSCC_NPM-NEXT: entry: 1140; IS__CGSCC_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1141; IS__CGSCC_NPM: t: 1142; IS__CGSCC_NPM-NEXT: br label [[F]] 1143; IS__CGSCC_NPM: f: 1144; IS__CGSCC_NPM-NEXT: ret i1 false 1145; 1146entry: 1147 br i1 %c, label %t, label %f 1148t: 1149 br label %f 1150f: 1151 %p = phi i1 [true, %entry], [false, %t] 1152 %rc1 = call i1 @ret(i1 %p) 1153 ret i1 %rc1 1154} 1155 1156define internal i1 @ret(i1 %c) { 1157; IS________OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1158; IS________OPM-LABEL: define {{[^@]+}}@ret 1159; IS________OPM-SAME: (i1 noundef [[C:%.*]]) #[[ATTR1]] { 1160; IS________OPM-NEXT: entry: 1161; IS________OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1162; IS________OPM: t: 1163; IS________OPM-NEXT: br label [[F]] 1164; IS________OPM: f: 1165; IS________OPM-NEXT: [[P:%.*]] = phi i1 [ [[C]], [[ENTRY:%.*]] ], [ false, [[T]] ] 1166; IS________OPM-NEXT: ret i1 [[P]] 1167; 1168; IS__TUNIT_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1169; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@ret 1170; IS__TUNIT_NPM-SAME: (i1 noundef [[C:%.*]]) #[[ATTR1]] { 1171; IS__TUNIT_NPM-NEXT: entry: 1172; IS__TUNIT_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1173; IS__TUNIT_NPM: t: 1174; IS__TUNIT_NPM-NEXT: br label [[F]] 1175; IS__TUNIT_NPM: f: 1176; IS__TUNIT_NPM-NEXT: [[P:%.*]] = phi i1 [ [[C]], [[ENTRY:%.*]] ], [ false, [[T]] ] 1177; IS__TUNIT_NPM-NEXT: ret i1 false 1178; 1179; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 1180; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@ret 1181; IS__CGSCC_NPM-SAME: (i1 noundef [[C:%.*]]) #[[ATTR1]] { 1182; IS__CGSCC_NPM-NEXT: entry: 1183; IS__CGSCC_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]] 1184; IS__CGSCC_NPM: t: 1185; IS__CGSCC_NPM-NEXT: br label [[F]] 1186; IS__CGSCC_NPM: f: 1187; IS__CGSCC_NPM-NEXT: [[P:%.*]] = phi i1 [ [[C]], [[ENTRY:%.*]] ], [ false, [[T]] ] 1188; IS__CGSCC_NPM-NEXT: ret i1 undef 1189; 1190entry: 1191 br i1 %c, label %t, label %f 1192t: 1193 br label %f 1194f: 1195 %p = phi i1 [%c, %entry], [false, %t] 1196 ret i1 %p 1197} 1198 1199;. 1200; IS__TUNIT_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1201; IS__TUNIT_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1202; IS__TUNIT_OPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1203; IS__TUNIT_OPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1204; IS__TUNIT_OPM: attributes #[[ATTR4]] = { argmemonly nofree norecurse nosync nounwind writeonly } 1205; IS__TUNIT_OPM: attributes #[[ATTR5]] = { nofree nosync nounwind readnone willreturn } 1206; IS__TUNIT_OPM: attributes #[[ATTR6]] = { willreturn } 1207; IS__TUNIT_OPM: attributes #[[ATTR7]] = { nofree nosync nounwind willreturn writeonly } 1208;. 1209; IS__TUNIT_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1210; IS__TUNIT_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1211; IS__TUNIT_NPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1212; IS__TUNIT_NPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1213; IS__TUNIT_NPM: attributes #[[ATTR4]] = { nofree nosync nounwind readnone willreturn } 1214; IS__TUNIT_NPM: attributes #[[ATTR5]] = { willreturn } 1215; IS__TUNIT_NPM: attributes #[[ATTR6]] = { nofree nosync nounwind willreturn writeonly } 1216;. 1217; IS__CGSCC_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1218; IS__CGSCC_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1219; IS__CGSCC_OPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1220; IS__CGSCC_OPM: attributes #[[ATTR3]] = { argmemonly nofree norecurse nosync nounwind writeonly } 1221; IS__CGSCC_OPM: attributes #[[ATTR4]] = { nofree norecurse nosync nounwind willreturn writeonly } 1222; IS__CGSCC_OPM: attributes #[[ATTR5]] = { willreturn } 1223; IS__CGSCC_OPM: attributes #[[ATTR6]] = { nounwind willreturn writeonly } 1224; IS__CGSCC_OPM: attributes #[[ATTR7]] = { readnone willreturn } 1225;. 1226; IS__CGSCC_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn } 1227; IS__CGSCC_NPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn } 1228; IS__CGSCC_NPM: attributes #[[ATTR2]] = { argmemonly nofree norecurse nosync nounwind willreturn writeonly } 1229; IS__CGSCC_NPM: attributes #[[ATTR3]] = { nofree norecurse nosync nounwind willreturn writeonly } 1230; IS__CGSCC_NPM: attributes #[[ATTR4]] = { willreturn } 1231;. 1232; CHECK: [[RNG0]] = !{i32 0, i32 -2147483648} 1233;. 1234