File: dso_local_equivalent_unmerged.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (69 lines) | stat: -rw-r--r-- 1,741 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
; 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
}