1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals 2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT 3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC 4; 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 and 20; 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 8 27 28; FIXME: nocapture & noalias for @GlobalVPtr in %call1 29; FIXME: nocapture & noalias for %alloc2 in %call3 30 31;. 32; CHECK: @GlobalVPtr = common dso_local global ptr null, align 8 33;. 34define dso_local i32 @main() { 35; TUNIT-LABEL: define {{[^@]+}}@main() { 36; TUNIT-NEXT: entry: 37; TUNIT-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 38; TUNIT-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 39; TUNIT-NEXT: [[THREAD:%.*]] = alloca i64, align 8 40; TUNIT-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef align 4294967296 null, ptr noundef nonnull @foo, ptr nofree readnone align 4294967296 undef) 41; TUNIT-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef align 4294967296 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 align 4294967296 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 align 4294967296 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 0 45; 46; CGSCC-LABEL: define {{[^@]+}}@main() { 47; CGSCC-NEXT: entry: 48; CGSCC-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 49; CGSCC-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 50; CGSCC-NEXT: [[THREAD:%.*]] = alloca i64, align 8 51; CGSCC-NEXT: [[CALL:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef align 4294967296 null, ptr noundef nonnull @foo, ptr nofree noundef readnone align 4294967296 null) 52; CGSCC-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(ptr noundef nonnull align 8 dereferenceable(8) [[THREAD]], ptr noundef align 4294967296 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 align 4294967296 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 align 4294967296 null, ptr noundef nonnull @buz, ptr noalias nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC2]]) 55; CGSCC-NEXT: ret i32 0 56; 57entry: 58 %alloc1 = alloca i8, align 8 59 %alloc2 = alloca i8, align 8 60 %thread = alloca i64, align 8 61 %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 0 66} 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 {{[^@]+}}@foo 73; CHECK-SAME: (ptr noalias nofree readnone align 4294967296 captures(none) [[ARG:%.*]]) #[[ATTR0:[0-9]+]] { 74; CHECK-NEXT: entry: 75; CHECK-NEXT: ret ptr null 76; 77entry: 78 ret ptr %arg 79} 80 81define internal ptr @bar(ptr %arg) { 82; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) 83; CHECK-LABEL: define {{[^@]+}}@bar 84; CHECK-SAME: (ptr noalias nofree nonnull readnone align 8 captures(none) dereferenceable(8) [[ARG:%.*]]) #[[ATTR0]] { 85; CHECK-NEXT: entry: 86; CHECK-NEXT: ret ptr @GlobalVPtr 87; 88entry: 89 ret ptr %arg 90} 91 92define internal ptr @baz(ptr %arg) { 93; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) 94; CHECK-LABEL: define {{[^@]+}}@baz 95; 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 %arg 101} 102 103define internal ptr @buz(ptr %arg) { 104; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) 105; CHECK-LABEL: define {{[^@]+}}@buz 106; 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 %arg 112} 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