File: cfi-function-merging.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (53 lines) | stat: -rw-r--r-- 2,387 bytes parent folder | download | duplicates (8)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
;; Check the cases involving internal CFI instrumented functions where we do not expect functions to be merged.
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s

; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
declare i1 @llvm.type.test(ptr, metadata) #6

define internal void @A__on_zero_sharedEv(ptr noundef nonnull align 8 dereferenceable(32) %this) {
; CHECK-LABEL: define internal void @A__on_zero_sharedEv
; CHECK-SAME: (ptr noundef nonnull align 8 dereferenceable(32) [[THIS:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[THIS_ADDR:%.*]] = alloca ptr, align 8
; CHECK-NEXT:    store ptr [[THIS]], ptr [[THIS_ADDR]], align 8
; CHECK-NEXT:    [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
; CHECK-NEXT:    [[VTABLE:%.*]] = load ptr, ptr [[THIS1]], align 8
; CHECK-NEXT:    [[TMP0:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata [[META0:![0-9]+]]), !nosanitize !1
; CHECK-NEXT:    ret void
;
entry:
  %this.addr = alloca ptr, align 8
  store ptr %this, ptr %this.addr, align 8
  %this1 = load ptr, ptr %this.addr, align 8
  %vtable = load ptr, ptr %this1, align 8
  %0 = call i1 @llvm.type.test(ptr %vtable, metadata !11), !nosanitize !47
  ret void
}

; Function Attrs: mustprogress noinline nounwind optnone uwtable
define internal void @B__on_zero_sharedEv(ptr noundef nonnull align 8 dereferenceable(32) %this) {
; CHECK-LABEL: define internal void @B__on_zero_sharedEv
; CHECK-SAME: (ptr noundef nonnull align 8 dereferenceable(32) [[THIS:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[THIS_ADDR:%.*]] = alloca ptr, align 8
; CHECK-NEXT:    store ptr [[THIS]], ptr [[THIS_ADDR]], align 8
; CHECK-NEXT:    [[THIS1:%.*]] = load ptr, ptr [[THIS_ADDR]], align 8
; CHECK-NEXT:    [[VTABLE:%.*]] = load ptr, ptr [[THIS1]], align 8
; CHECK-NEXT:    [[TMP0:%.*]] = call i1 @llvm.type.test(ptr [[VTABLE]], metadata [[META2:![0-9]+]]), !nosanitize !1
; CHECK-NEXT:    ret void
;
entry:
  %this.addr = alloca ptr, align 8
  store ptr %this, ptr %this.addr, align 8
  %this1 = load ptr, ptr %this.addr, align 8
  %vtable = load ptr, ptr %this1, align 8
  %0 = call i1 @llvm.type.test(ptr %vtable, metadata !22), !nosanitize !47
  ret void
}

!10 = !{i64 16, !11}
!11 = distinct !{}
!21 = !{i64 16, !22}
!22 = distinct !{}
!47 = !{}