1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes 2; RUN: opt -attributor -attributor-manifest-internal -attributor-disable=false -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -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-disable=false -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -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 -attributor-manifest-internal -attributor-disable=false -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-disable=false -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; 7; #include <pthread.h> 8; 9; void *GlobalVPtr; 10; 11; static void *foo(void *arg) { return arg; } 12; static void *bar(void *arg) { return arg; } 13; 14; int main() { 15; pthread_t thread; 16; pthread_create(&thread, NULL, foo, NULL); 17; pthread_create(&thread, NULL, bar, &GlobalVPtr); 18; return 0; 19; } 20; 21; Verify the constant values NULL and &GlobalVPtr are propagated into foo and 22; bar, respectively. 23; 24target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 25 26%union.pthread_attr_t = type { i64, [48 x i8] } 27 28@GlobalVPtr = common dso_local global i8* null, align 8 29 30; FIXME: nocapture & noalias for @GlobalVPtr in %call1 31; FIXME: nocapture & noalias for %alloc2 in %call3 32 33define dso_local i32 @main() { 34; IS__TUNIT____-LABEL: define {{[^@]+}}@main() 35; IS__TUNIT____-NEXT: entry: 36; IS__TUNIT____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 37; IS__TUNIT____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 38; IS__TUNIT____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 39; IS__TUNIT____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @foo, i8* noalias nofree readnone align 536870912 undef) 40; IS__TUNIT____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @bar, i8* noalias nofree nonnull readnone align 8 dereferenceable(8) undef) 41; IS__TUNIT____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @baz, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 42; IS__TUNIT____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @buz, i8* noalias nofree nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]]) 43; IS__TUNIT____-NEXT: ret i32 0 44; 45; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@main() 46; IS__CGSCC_OPM-NEXT: entry: 47; IS__CGSCC_OPM-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 48; IS__CGSCC_OPM-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 49; IS__CGSCC_OPM-NEXT: [[THREAD:%.*]] = alloca i64, align 8 50; IS__CGSCC_OPM-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @foo, i8* noalias align 536870912 null) 51; IS__CGSCC_OPM-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @bar, i8* nonnull align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) 52; IS__CGSCC_OPM-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @baz, i8* nocapture nonnull align 8 dereferenceable(1) [[ALLOC1]]) 53; IS__CGSCC_OPM-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @buz, i8* nonnull align 8 dereferenceable(1) [[ALLOC2]]) 54; IS__CGSCC_OPM-NEXT: ret i32 0 55; 56; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@main() 57; IS__CGSCC_NPM-NEXT: entry: 58; IS__CGSCC_NPM-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 59; IS__CGSCC_NPM-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 60; IS__CGSCC_NPM-NEXT: [[THREAD:%.*]] = alloca i64, align 8 61; IS__CGSCC_NPM-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @foo, i8* noalias nofree readnone align 536870912 null) 62; IS__CGSCC_NPM-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @bar, i8* noalias nofree nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) 63; IS__CGSCC_NPM-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @baz, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 64; IS__CGSCC_NPM-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias align 536870912 null, i8* (i8*)* nonnull @buz, i8* noalias nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC2]]) 65; IS__CGSCC_NPM-NEXT: ret i32 0 66; 67entry: 68 %alloc1 = alloca i8, align 8 69 %alloc2 = alloca i8, align 8 70 %thread = alloca i64, align 8 71 %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) 72 %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) 73 %call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1) 74 %call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2) 75 ret i32 0 76} 77 78declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) 79 80define internal i8* @foo(i8* %arg) { 81; NOT_CGSCC_NPM-LABEL: define {{[^@]+}}@foo 82; NOT_CGSCC_NPM-SAME: (i8* noalias nofree readnone returned align 536870912 "no-capture-maybe-returned" [[ARG:%.*]]) 83; NOT_CGSCC_NPM-NEXT: entry: 84; NOT_CGSCC_NPM-NEXT: ret i8* null 85; 86; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@foo 87; IS__CGSCC_NPM-SAME: (i8* noalias nofree readnone returned "no-capture-maybe-returned" [[ARG:%.*]]) 88; IS__CGSCC_NPM-NEXT: entry: 89; IS__CGSCC_NPM-NEXT: ret i8* null 90; 91entry: 92 ret i8* %arg 93} 94 95define internal i8* @bar(i8* %arg) { 96; IS__TUNIT____-LABEL: define {{[^@]+}}@bar 97; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(8) "no-capture-maybe-returned" [[ARG:%.*]]) 98; IS__TUNIT____-NEXT: entry: 99; IS__TUNIT____-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 100; 101; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@bar 102; IS__CGSCC_OPM-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(8) "no-capture-maybe-returned" [[ARG:%.*]]) 103; IS__CGSCC_OPM-NEXT: entry: 104; IS__CGSCC_OPM-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 105; 106; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@bar 107; IS__CGSCC_NPM-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[ARG:%.*]]) 108; IS__CGSCC_NPM-NEXT: entry: 109; IS__CGSCC_NPM-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 110; 111entry: 112 ret i8* %arg 113} 114 115define internal i8* @baz(i8* %arg) { 116; IS__TUNIT____-LABEL: define {{[^@]+}}@baz 117; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 118; IS__TUNIT____-NEXT: entry: 119; IS__TUNIT____-NEXT: ret i8* [[ARG]] 120; 121; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@baz 122; IS__CGSCC_OPM-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 123; IS__CGSCC_OPM-NEXT: entry: 124; IS__CGSCC_OPM-NEXT: ret i8* [[ARG]] 125; 126; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@baz 127; IS__CGSCC_NPM-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[ARG:%.*]]) 128; IS__CGSCC_NPM-NEXT: entry: 129; IS__CGSCC_NPM-NEXT: ret i8* [[ARG]] 130; 131entry: 132 ret i8* %arg 133} 134 135define internal i8* @buz(i8* %arg) { 136; IS__TUNIT____-LABEL: define {{[^@]+}}@buz 137; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 138; IS__TUNIT____-NEXT: entry: 139; IS__TUNIT____-NEXT: ret i8* [[ARG]] 140; 141; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@buz 142; IS__CGSCC_OPM-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 143; IS__CGSCC_OPM-NEXT: entry: 144; IS__CGSCC_OPM-NEXT: ret i8* [[ARG]] 145; 146; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@buz 147; IS__CGSCC_NPM-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[ARG:%.*]]) 148; IS__CGSCC_NPM-NEXT: entry: 149; IS__CGSCC_NPM-NEXT: ret i8* [[ARG]] 150; 151entry: 152 ret i8* %arg 153} 154 155!1 = !{i64 2, i64 3, i1 false} 156!0 = !{!1} 157