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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC4;5; #include <pthread.h>6;7; ptr GlobalVPtr;8;9; static ptr foo(ptr arg) { return arg; }10; static ptr bar(ptr arg) { return arg; }11;12; int main() {13; pthread_t thread;14; pthread_create(&thread, NULL, foo, NULL);15; pthread_create(&thread, NULL, bar, &GlobalVPtr);16; return 0;17; }18;19; Verify the constant values NULL and &GlobalVPtr are propagated into foo and20; bar, respectively.21;22target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"23 24%union.pthread_attr_t = type { i64, [48 x i8] }25 26@GlobalVPtr = common dso_local global ptr null, align 827 28; FIXME: nocapture & noalias for @GlobalVPtr in %call129; FIXME: nocapture & noalias for %alloc2 in %call330 31;.32; CHECK: @GlobalVPtr = common dso_local global ptr null, align 833;.34define dso_local i32 @main() {35; TUNIT-LABEL: define {{[^@]+}}@main() {36; TUNIT-NEXT: entry:37; TUNIT-NEXT: [[ALLOC1:%.*]] = alloca i8, align 838; TUNIT-NEXT: [[ALLOC2:%.*]] = alloca i8, align 839; TUNIT-NEXT: [[THREAD:%.*]] = alloca i64, align 840; TUNIT-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @foo, ptr nofree readnone undef)41; TUNIT-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @bar, ptr noalias nofree nonnull readnone align 8 captures(none) dereferenceable(8) undef)42; TUNIT-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @baz, ptr noalias nofree noundef nonnull readnone align 8 captures(none) dereferenceable(1) [[ALLOC1]])43; TUNIT-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @buz, ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]])44; TUNIT-NEXT: ret i32 045;46; CGSCC-LABEL: define {{[^@]+}}@main() {47; CGSCC-NEXT: entry:48; CGSCC-NEXT: [[ALLOC1:%.*]] = alloca i8, align 849; CGSCC-NEXT: [[ALLOC2:%.*]] = alloca i8, align 850; CGSCC-NEXT: [[THREAD:%.*]] = alloca i64, align 851; CGSCC-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @foo, ptr nofree noundef readnone null)52; CGSCC-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @bar, ptr noalias nofree noundef nonnull readnone align 8 captures(none) dereferenceable(8) @GlobalVPtr)53; CGSCC-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @baz, ptr noalias nofree noundef nonnull readnone align 8 captures(none) dereferenceable(1) [[ALLOC1]])54; CGSCC-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef null, ptr noundef nonnull @buz, ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC2]])55; CGSCC-NEXT: ret i32 056;57entry:58 %alloc1 = alloca i8, align 859 %alloc2 = alloca i8, align 860 %thread = alloca i64, align 861 %call = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @foo, ptr null)62 %call1 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @bar, ptr @GlobalVPtr)63 %call2 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @baz, ptr nocapture %alloc1)64 %call3 = call i32 @pthread_create(ptr nonnull %thread, ptr null, ptr nonnull @buz, ptr %alloc2)65 ret i32 066}67 68declare !callback !0 dso_local i32 @pthread_create(ptr, ptr, ptr, ptr)69 70define internal ptr @foo(ptr %arg) {71; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)72; CHECK-LABEL: define {{[^@]+}}@foo73; CHECK-SAME: (ptr noalias nofree readnone align 4294967296 captures(none) [[ARG:%.*]]) #[[ATTR0:[0-9]+]] {74; CHECK-NEXT: entry:75; CHECK-NEXT: ret ptr null76;77entry:78 ret ptr %arg79}80 81define internal ptr @bar(ptr %arg) {82; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)83; CHECK-LABEL: define {{[^@]+}}@bar84; CHECK-SAME: (ptr noalias nofree nonnull readnone align 8 captures(none) dereferenceable(8) [[ARG:%.*]]) #[[ATTR0]] {85; CHECK-NEXT: entry:86; CHECK-NEXT: ret ptr @GlobalVPtr87;88entry:89 ret ptr %arg90}91 92define internal ptr @baz(ptr %arg) {93; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)94; CHECK-LABEL: define {{[^@]+}}@baz95; CHECK-SAME: (ptr noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] {96; CHECK-NEXT: entry:97; CHECK-NEXT: ret ptr [[ARG]]98;99entry:100 ret ptr %arg101}102 103define internal ptr @buz(ptr %arg) {104; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)105; CHECK-LABEL: define {{[^@]+}}@buz106; CHECK-SAME: (ptr noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] {107; CHECK-NEXT: entry:108; CHECK-NEXT: ret ptr [[ARG]]109;110entry:111 ret ptr %arg112}113 114!1 = !{i64 2, i64 3, i1 false}115!0 = !{!1}116;.117; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }118;.119; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }120;.121; TUNIT: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]}122; TUNIT: [[META1]] = !{i64 2, i64 3, i1 false}123;.124; CGSCC: [[META0:![0-9]+]] = !{[[META1:![0-9]+]]}125; CGSCC: [[META1]] = !{i64 2, i64 3, i1 false}126;.127