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
|
; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck -check-prefix=ATOM32 %s
; RUN: llc < %s -mcpu=core2 -mtriple=i686-linux | FileCheck -check-prefix=ATOM-NOT32 %s
; RUN: llc < %s -mcpu=atom -mtriple=x86_64-linux | FileCheck -check-prefix=ATOM64 %s
; RUN: llc < %s -mcpu=core2 -mtriple=x86_64-linux | FileCheck -check-prefix=ATOM-NOT64 %s
; RUN: llc < %s -mcpu=slm -mtriple=i686-linux | FileCheck -check-prefix=SLM32 %s
; RUN: llc < %s -mcpu=slm -mtriple=x86_64-linux | FileCheck -check-prefix=SLM64 %s
; RUN: llc < %s -mcpu=goldmont -mtriple=i686-linux | FileCheck -check-prefix=SLM32 %s
; RUN: llc < %s -mcpu=goldmont -mtriple=x86_64-linux | FileCheck -check-prefix=SLM64 %s
; fn_ptr.ll
%class.A = type { i32 (...)** }
define i32 @test1() #0 {
;ATOM-LABEL: test1:
entry:
%call = tail call %class.A* @_Z3facv()
%0 = bitcast %class.A* %call to void (%class.A*)***
%vtable = load void (%class.A*)**, void (%class.A*)*** %0, align 8
%1 = load void (%class.A*)*, void (%class.A*)** %vtable, align 8
;ATOM32: movl (%ecx), %ecx
;ATOM32: calll *%ecx
;ATOM-NOT32: calll *(%ecx)
;ATOM64: movq (%rcx), %rcx
;ATOM64: callq *%rcx
;ATOM-NOT64: callq *(%rcx)
;SLM32: movl (%ecx), %ecx
;SLM32: calll *%ecx
;SLM64: movq (%rcx), %rcx
;SLM64: callq *%rcx
tail call void %1(%class.A* %call)
ret i32 0
}
declare %class.A* @_Z3facv() #1
; virt_fn.ll
@p = external dso_local global void (i32)**
define i32 @test2() #0 {
;ATOM-LABEL: test2:
entry:
%0 = load void (i32)**, void (i32)*** @p, align 8
%1 = load void (i32)*, void (i32)** %0, align 8
;ATOM32: movl (%eax), %eax
;ATOM32: calll *%eax
;ATOM-NOT: calll *(%eax)
;ATOM64: movq (%rax), %rax
;ATOM64: callq *%rax
;ATOM-NOT64: callq *(%rax)
;SLM32: movl (%eax), %eax
;SLM32: calll *%eax
;SLM64: movq (%rax), %rax
;SLM64: callq *%rax
tail call void %1(i32 2)
ret i32 0
}
|
