; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=ipsccp -S < %s | FileCheck %s ; ; #include <pthread.h> ; ; void *GlobalVPtr; ; ; static void *foo(void *arg) { return arg; } ; static void *bar(void *arg) { return arg; } ; ; int main() { ; pthread_t thread; ; pthread_create(&thread, NULL, foo, NULL); ; pthread_create(&thread, NULL, bar, &GlobalVPtr); ; return 0; ; } ; ; Verify the constant values NULL and &GlobalVPtr are propagated into foo and ; bar, respectively. ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" %union.pthread_attr_t = type { i64, [48 x i8] } @GlobalVPtr = common dso_local global i8* null, align 8 define dso_local i32 @main() { ; CHECK-LABEL: @main( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[THREAD:%.*]] = alloca i64, align 8 ; CHECK-NEXT: [[CALL:%.*]] = call i32 @pthread_create(i64* nonnull [[THREAD]], %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) ; CHECK-NEXT: [[CALL1:%.*]] = call i32 @pthread_create(i64* nonnull [[THREAD]], %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) ; CHECK-NEXT: ret i32 0 ; entry: %thread = alloca i64, align 8 %call = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @foo, i8* null) %call1 = call i32 @pthread_create(i64* nonnull %thread, %union.pthread_attr_t* null, i8* (i8*)* nonnull @bar, i8* bitcast (i8** @GlobalVPtr to i8*)) ret i32 0 } declare !callback !0 dso_local i32 @pthread_create(i64*, %union.pthread_attr_t*, i8* (i8*)*, i8*) define internal i8* @foo(i8* %arg) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: ret i8* [[ARG:%.*]] ; entry: ret i8* %arg } define internal i8* @bar(i8* %arg) { ; CHECK-LABEL: @bar( ; CHECK-NEXT: entry: ; CHECK-NEXT: ret i8* [[ARG:%.*]] ; entry: ret i8* %arg } !1 = !{i64 2, i64 3, i1 false} !0 = !{!1}