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-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=7 -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=7 -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-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; 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 nocapture align 536870912 null, i8* (i8*)* nonnull @foo, i8* noalias nocapture 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 nocapture align 536870912 null, i8* (i8*)* nonnull @bar, i8* noalias nofree nonnull readnone align 8 dereferenceable(8) "no-capture-maybe-returned" undef) 41; IS__TUNIT____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture 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 nocapture 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____-LABEL: define {{[^@]+}}@main() 46; IS__CGSCC____-NEXT: entry: 47; IS__CGSCC____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 48; IS__CGSCC____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 49; IS__CGSCC____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 50; IS__CGSCC____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture align 536870912 null, i8* (i8*)* nonnull @foo, i8* noalias nocapture nofree readnone align 536870912 null) 51; IS__CGSCC____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture align 536870912 null, i8* (i8*)* nonnull @bar, i8* noalias nofree nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) 52; IS__CGSCC____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture align 536870912 null, i8* (i8*)* nonnull @baz, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 53; IS__CGSCC____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture align 536870912 null, i8* (i8*)* nonnull @buz, i8* noalias nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC2]]) 54; IS__CGSCC____-NEXT: ret i32 0 55; 56entry: 57 %alloc1 = alloca i8, align 8 58 %alloc2 = alloca i8, align 8 59 %thread = alloca i64, align 8 60 %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) 61 %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) 62 %call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1) 63 %call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2) 64 ret i32 0 65} 66 67declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) 68 69define internal i8* @foo(i8* %arg) { 70; CHECK-LABEL: define {{[^@]+}}@foo 71; CHECK-SAME: (i8* noalias nofree readnone returned align 536870912 "no-capture-maybe-returned" [[ARG:%.*]]) 72; CHECK-NEXT: entry: 73; CHECK-NEXT: ret i8* null 74; 75entry: 76 ret i8* %arg 77} 78 79define internal i8* @bar(i8* %arg) { 80; IS__TUNIT____-LABEL: define {{[^@]+}}@bar 81; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(8) "no-capture-maybe-returned" [[ARG:%.*]]) 82; IS__TUNIT____-NEXT: entry: 83; IS__TUNIT____-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 84; 85; IS__CGSCC____-LABEL: define {{[^@]+}}@bar 86; IS__CGSCC____-SAME: (i8* nofree readnone returned "no-capture-maybe-returned" [[ARG:%.*]]) 87; IS__CGSCC____-NEXT: entry: 88; IS__CGSCC____-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 89; 90entry: 91 ret i8* %arg 92} 93 94define internal i8* @baz(i8* %arg) { 95; IS__TUNIT____-LABEL: define {{[^@]+}}@baz 96; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 97; IS__TUNIT____-NEXT: entry: 98; IS__TUNIT____-NEXT: ret i8* [[ARG]] 99; 100; IS__CGSCC____-LABEL: define {{[^@]+}}@baz 101; IS__CGSCC____-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 102; IS__CGSCC____-NEXT: entry: 103; IS__CGSCC____-NEXT: ret i8* [[ARG]] 104; 105entry: 106 ret i8* %arg 107} 108 109define internal i8* @buz(i8* %arg) { 110; IS__TUNIT____-LABEL: define {{[^@]+}}@buz 111; IS__TUNIT____-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 112; IS__TUNIT____-NEXT: entry: 113; IS__TUNIT____-NEXT: ret i8* [[ARG]] 114; 115; IS__CGSCC____-LABEL: define {{[^@]+}}@buz 116; IS__CGSCC____-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) 117; IS__CGSCC____-NEXT: entry: 118; IS__CGSCC____-NEXT: ret i8* [[ARG]] 119; 120entry: 121 ret i8* %arg 122} 123 124!1 = !{i64 2, i64 3, i1 false} 125!0 = !{!1} 126