test/Transforms/MergeFunc/dso_local_equivalent_unmerged.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
;; Check the cases involving dso_local_equivalent where we do not expect functions to be merged.
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s

@x = constant { ptr, ptr } { ptr @a, ptr @b }
; CHECK: { ptr @a, ptr @b }

@x2 = constant { ptr, ptr } { ptr @c, ptr @d }
; CHECK: { ptr @c, ptr @d }

;; func1 and func2 are different functions.
declare i32 @func1()
define i32 @func2() {
; CHECK-LABEL: @func2(
; CHECK-NEXT:    ret i32 0
;
  ret i32 0
}

define internal i32 @a() unnamed_addr {
; CHECK-LABEL: @a(
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 dso_local_equivalent @func1()
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  %1 = call i32 dso_local_equivalent @func1()
  ret i32 %1
}

define internal i32 @b() unnamed_addr {
; CHECK-LABEL: @b(
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 dso_local_equivalent @func2()
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  %1 = call i32 dso_local_equivalent @func2()
  ret i32 %1
}

;; func3 and func4 have the same body and signature but do not have merged
;; callers because they are different functions.
define i32 @func3() {
; CHECK-LABEL: @func3(
; CHECK-NEXT:    ret i32 0
;
  ret i32 0
}
define i32 @func4() {
; CHECK-LABEL: @func4(
; CHECK-NEXT:    ret i32 0
;
  ret i32 0
}

define internal i32 @c() unnamed_addr {
; CHECK-LABEL: @c(
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 dso_local_equivalent @func3()
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  %1 = call i32 dso_local_equivalent @func3()
  ret i32 %1
}

define internal i32 @d() unnamed_addr {
; CHECK-LABEL: @d(
; CHECK-NEXT:    [[TMP1:%.*]] = call i32 dso_local_equivalent @func4()
; CHECK-NEXT:    ret i32 [[TMP1]]
;
  %1 = call i32 dso_local_equivalent @func4()
  ret i32 %1
}