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=2 -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=2 -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; 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 33;. 34; CHECK: @[[GLOBALVPTR:[a-zA-Z0-9_$"\\.-]+]] = common dso_local global i8* null, align 8 35;. 36define dso_local i32 @main() { 37; IS__TUNIT____-LABEL: define {{[^@]+}}@main() { 38; IS__TUNIT____-NEXT: entry: 39; IS__TUNIT____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 40; IS__TUNIT____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 41; IS__TUNIT____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 42; IS__TUNIT____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree readnone align 4294967296 undef) 43; IS__TUNIT____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(8) undef) 44; IS__TUNIT____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 45; IS__TUNIT____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) "no-capture-maybe-returned" [[ALLOC2]]) 46; IS__TUNIT____-NEXT: ret i32 0 47; 48; IS__CGSCC____-LABEL: define {{[^@]+}}@main() { 49; IS__CGSCC____-NEXT: entry: 50; IS__CGSCC____-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 51; IS__CGSCC____-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 52; IS__CGSCC____-NEXT: [[THREAD:%.*]] = alloca i64, align 8 53; IS__CGSCC____-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @foo, i8* noalias nocapture nofree noundef readnone align 4294967296 null) 54; IS__CGSCC____-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @bar, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) 55; IS__CGSCC____-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @baz, i8* noalias nocapture nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 56; IS__CGSCC____-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* noundef nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias nocapture noundef align 4294967296 null, i8* (i8*)* noundef nonnull @buz, i8* noalias nofree noundef nonnull readnone align 8 dereferenceable(1) [[ALLOC2]]) 57; IS__CGSCC____-NEXT: ret i32 0 58; 59entry: 60 %alloc1 = alloca i8, align 8 61 %alloc2 = alloca i8, align 8 62 %thread = alloca i64, align 8 63 %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) 64 %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) 65 %call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1) 66 %call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2) 67 ret i32 0 68} 69 70declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) 71 72define internal i8* @foo(i8* %arg) { 73; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 74; CHECK-LABEL: define {{[^@]+}}@foo 75; CHECK-SAME: (i8* noalias nocapture nofree readnone align 4294967296 [[ARG:%.*]]) #[[ATTR0:[0-9]+]] { 76; CHECK-NEXT: entry: 77; CHECK-NEXT: ret i8* null 78; 79entry: 80 ret i8* %arg 81} 82 83define internal i8* @bar(i8* %arg) { 84; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 85; CHECK-LABEL: define {{[^@]+}}@bar 86; CHECK-SAME: (i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(8) [[ARG:%.*]]) #[[ATTR0]] { 87; CHECK-NEXT: entry: 88; CHECK-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 89; 90entry: 91 ret i8* %arg 92} 93 94define internal i8* @baz(i8* %arg) { 95; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 96; CHECK-LABEL: define {{[^@]+}}@baz 97; CHECK-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] { 98; CHECK-NEXT: entry: 99; CHECK-NEXT: ret i8* [[ARG]] 100; 101entry: 102 ret i8* %arg 103} 104 105define internal i8* @buz(i8* %arg) { 106; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn 107; CHECK-LABEL: define {{[^@]+}}@buz 108; CHECK-SAME: (i8* noalias nofree noundef nonnull readnone returned align 8 dereferenceable(1) "no-capture-maybe-returned" [[ARG:%.*]]) #[[ATTR0]] { 109; CHECK-NEXT: entry: 110; CHECK-NEXT: ret i8* [[ARG]] 111; 112entry: 113 ret i8* %arg 114} 115 116!1 = !{i64 2, i64 3, i1 false} 117!0 = !{!1} 118;. 119; CHECK: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn } 120;. 121; CHECK: [[META0:![0-9]+]] = !{!1} 122; CHECK: [[META1:![0-9]+]] = !{i64 2, i64 3, i1 false} 123;. 124