; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

define dso_local i32 @_Z6answeri(i32 %0) {
; CHECK-LABEL: @_Z6answeri(
; CHECK-NEXT:    [[TMP2:%.*]] = call noalias nonnull dereferenceable(80) ptr @_Znam(i64 80) #[[ATTR4:[0-9]+]]
; CHECK-NEXT:    call void @free(ptr [[TMP2]])
; CHECK-NEXT:    ret i32 42
;
  %2 = call noalias nonnull ptr @_Znam(i64 80) #0
  call void @free(ptr %2)
  ret i32 42
}

; All we care about with this function is that LLVM doesn't crash
; when optimizing it.
define void @test_alloca() {
; CHECK-LABEL: @test_alloca(
; CHECK-NEXT:    [[TMP1:%.*]] = alloca i8, align 1
; CHECK-NEXT:    call void @free(ptr [[TMP1]])
; CHECK-NEXT:    ret void
;
  %1 = alloca i8
  call void @free(ptr %1)
  ret void
}

; Test that missing `alloc-family` attributes don't crash LLVM
; https://github.com/llvm/llvm-project/issues/63749

define void @no_family() {
; CHECK-LABEL: @no_family(
; CHECK-NEXT:       [[ALLOC:%.*]] = call ptr @customalloc(i64 64)
; CHECK-NEXT:       call void @customfree(ptr [[ALLOC]])
; CHECK-NEXT:       ret void
;
  %alloc = call ptr @customalloc(i64 64)
  call void @customfree(ptr %alloc)
  ret void
}


; Function Attrs: nobuiltin allocsize(0)
declare dso_local nonnull ptr @_Znam(i64) #1

; Function Attrs: nounwind
declare dso_local void @free(ptr) allockind("free") "alloc-family"="malloc"

declare ptr @customalloc(i64) allockind("alloc")
declare void @customfree(ptr allocptr) allockind("free")

attributes #0 = { builtin allocsize(0) }
attributes #1 = { nobuiltin allocsize(0) allockind("alloc,uninitialized") "alloc-family"="_Znam" }