File: byref.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 (87 lines) | stat: -rw-r--r-- 2,860 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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s

%opaque.ty = type opaque

; CHECK: Attribute 'byref' does not support unsized types!
; CHECK-NEXT: ptr @byref_unsized
define void @byref_unsized(ptr byref(%opaque.ty)) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_byval
define void @byref_byval(ptr byref(i32) byval(i32)) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_inalloca
define void @byref_inalloca(ptr byref(i32) inalloca(i32)) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_preallocated
define void @byref_preallocated(ptr byref(i32) preallocated(i32)) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_sret
define void @byref_sret(ptr byref(i32) sret(i32)) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_inreg
define void @byref_inreg(ptr byref(i32) inreg) {
  ret void
}

; CHECK: Attributes 'byval', 'inalloca', 'preallocated', 'inreg', 'nest', 'byref', and 'sret' are incompatible!
; CHECK-NEXT: ptr @byref_nest
define void @byref_nest(ptr byref(i32) nest) {
  ret void
}

; CHECK: Attribute 'byref(i32)' applied to incompatible type!
; CHECK-NEXT: ptr @byref_non_pointer
define void @byref_non_pointer(i32 byref(i32)) {
  ret void
}

define void @byref_callee(ptr byref([64 x i8])) {
  ret void
}

define void @no_byref_callee(ptr) {
  ret void
}

; CHECK: cannot guarantee tail call due to mismatched ABI impacting function attributes
; CHECK-NEXT: musttail call void @byref_callee(ptr byref([64 x i8]) %ptr)
; CHECK-NEXT: ptr %ptr
define void @musttail_byref_caller(ptr %ptr) {
  musttail call void @byref_callee(ptr byref([64 x i8]) %ptr)
  ret void
}

; CHECK: cannot guarantee tail call due to mismatched ABI impacting function attributes
; CHECK-NEXT: musttail call void @byref_callee(ptr %ptr)
; CHECK-NEXT: ptr %ptr
define void @musttail_byref_callee(ptr byref([64 x i8]) %ptr) {
  musttail call void @byref_callee(ptr %ptr)
  ret void
}

define void @byref_callee_align32(ptr byref([64 x i8]) align 32) {
  ret void
}

; CHECK: cannot guarantee tail call due to mismatched ABI impacting function attributes
; CHECK-NEXT: musttail call void @byref_callee_align32(ptr byref([64 x i8]) align 32 %ptr)
; CHECK-NEXT: ptr %ptr
define void @musttail_byref_caller_mismatched_align(ptr byref([64 x i8]) align 16 %ptr) {
  musttail call void @byref_callee_align32(ptr byref([64 x i8]) align 32 %ptr)
  ret void
}