1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes 2; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=1 < %s | FileCheck %s 3; 4; #include <pthread.h> 5; 6; void *GlobalVPtr; 7; 8; static void *foo(void *arg) { return arg; } 9; static void *bar(void *arg) { return arg; } 10; 11; int main() { 12; pthread_t thread; 13; pthread_create(&thread, NULL, foo, NULL); 14; pthread_create(&thread, NULL, bar, &GlobalVPtr); 15; return 0; 16; } 17; 18; Verify the constant values NULL and &GlobalVPtr are propagated into foo and 19; bar, respectively. 20; 21target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 22 23%union.pthread_attr_t = type { i64, [48 x i8] } 24 25@GlobalVPtr = common dso_local global i8* null, align 8 26 27; FIXME: nocapture & noalias for @GlobalVPtr in %call1 28; FIXME: nocapture & noalias for %alloc2 in %call3 29 30define dso_local i32 @main() { 31; CHECK-LABEL: define {{[^@]+}}@main() 32; CHECK-NEXT: entry: 33; CHECK-NEXT: [[ALLOC1:%.*]] = alloca i8, align 8 34; CHECK-NEXT: [[ALLOC2:%.*]] = alloca i8, align 8 35; CHECK-NEXT: [[THREAD:%.*]] = alloca i64, align 8 36; CHECK-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias null, i8* (i8*)* nonnull @foo, i8* noalias nofree readnone null) 37; CHECK-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias null, i8* (i8*)* nonnull @bar, i8* nofree nonnull readnone align 8 dereferenceable(8) bitcast (i8** @GlobalVPtr to i8*)) 38; CHECK-NEXT: [[CALL2:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias null, i8* (i8*)* nonnull @baz, i8* noalias nocapture nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC1]]) 39; CHECK-NEXT: [[CALL3:%.*]] = call i32 @pthread_create(i64* nonnull align 8 dereferenceable(8) [[THREAD]], %union.pthread_attr_t* noalias null, i8* (i8*)* nonnull @buz, i8* nofree nonnull readnone align 8 dereferenceable(1) [[ALLOC2]]) 40; CHECK-NEXT: ret i32 0 41; 42entry: 43 %alloc1 = alloca i8, align 8 44 %alloc2 = alloca i8, align 8 45 %thread = alloca i64, align 8 46 %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) 47 %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) 48 %call2 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @baz, i8* nocapture %alloc1) 49 %call3 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @buz, i8* %alloc2) 50 ret i32 0 51} 52 53declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) 54 55define internal i8* @foo(i8* %arg) { 56; CHECK-LABEL: define {{[^@]+}}@foo 57; CHECK-SAME: (i8* noalias nofree readnone returned [[ARG:%.*]]) 58; CHECK-NEXT: entry: 59; CHECK-NEXT: ret i8* null 60; 61entry: 62 ret i8* %arg 63} 64 65define internal i8* @bar(i8* %arg) { 66; CHECK-LABEL: define {{[^@]+}}@bar 67; CHECK-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(8) [[ARG:%.*]]) 68; CHECK-NEXT: entry: 69; CHECK-NEXT: ret i8* bitcast (i8** @GlobalVPtr to i8*) 70; 71entry: 72 ret i8* %arg 73} 74 75define internal i8* @baz(i8* %arg) { 76; CHECK-LABEL: define {{[^@]+}}@baz 77; CHECK-SAME: (i8* noalias nofree nonnull readnone returned align 8 dereferenceable(1) [[ARG:%.*]]) 78; CHECK-NEXT: entry: 79; CHECK-NEXT: ret i8* [[ARG]] 80; 81entry: 82 ret i8* %arg 83} 84 85define internal i8* @buz(i8* %arg) { 86; CHECK-LABEL: define {{[^@]+}}@buz 87; CHECK-SAME: (i8* nofree nonnull readnone returned align 8 dereferenceable(1) [[ARG:%.*]]) 88; CHECK-NEXT: entry: 89; CHECK-NEXT: ret i8* [[ARG]] 90; 91entry: 92 ret i8* %arg 93} 94 95!1 = !{i64 2, i64 3, i1 false} 96!0 = !{!1} 97