File: devirtualize-2.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (45 lines) | stat: -rw-r--r-- 831 bytes parent folder | download | duplicates (7) 
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
 
; RUN: opt < %s -inline -S -enable-new-pm=0 | FileCheck %s
; RUN: opt < %s -passes='cgscc(devirt<4>(inline))' -S | FileCheck %s
; PR4834

define i32 @test1() {
  %funcall1_ = call fastcc i32 ()* () @f1()
  %executecommandptr1_ = call i32 %funcall1_()
  ret i32 %executecommandptr1_
}

define internal fastcc i32 ()* @f1() nounwind readnone {
  ret i32 ()* @f2
}

define internal i32 @f2() nounwind readnone {
  ret i32 1
}

; CHECK: @test1()
; CHECK-NEXT: ret i32 1





declare i8* @f1a(i8*) ssp align 2

define internal i32 @f2a(i8* %t) inlinehint ssp {
entry:
  ret i32 41
}

define internal i32 @f3a(i32 (i8*)* %__f) ssp {
entry:
  %A = call i32 %__f(i8* undef)
  ret i32 %A
}

define i32 @test2(i8* %this) ssp align 2 {
  %X = call i32 @f3a(i32 (i8*)* @f2a) ssp
  ret i32 %X
}

; CHECK-LABEL: @test2(
; CHECK-NEXT: ret i32 41