; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
; Should not propagate the result of a weak function.
; PR2411

define weak i32 @foo() nounwind  {
; CHECK-LABEL: @foo(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    ret i32 1
;
entry:
  ret i32 1
}

define i32 @main() nounwind  {
; CHECK-LABEL: @main(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[R:%.*]] = call i32 @foo() #0
; CHECK-NEXT:    ret i32 [[R]]
;
entry:
  %r = call i32 @foo( ) nounwind
  ret i32 %r
}