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
| ; RUN: opt -globalopt -S -o - < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare {}* @llvm.invariant.start.p0i8(i64 %size, i8* nocapture %ptr)
define void @test1(i8* %ptr) {
call {}* @llvm.invariant.start.p0i8(i64 4, i8* %ptr)
ret void
}
@object1 = global i32 0
; CHECK: @object1 = constant i32 -1
define void @ctor1() {
store i32 -1, i32* @object1
%A = bitcast i32* @object1 to i8*
call void @test1(i8* %A)
ret void
}
@object2 = global i32 0
; CHECK: @object2 = global i32 0
define void @ctor2() {
store i32 -1, i32* @object2
%A = bitcast i32* @object2 to i8*
%B = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %A)
%C = bitcast {}* %B to i8*
ret void
}
@object3 = global i32 0
; CHECK: @object3 = global i32 -1
define void @ctor3() {
store i32 -1, i32* @object3
%A = bitcast i32* @object3 to i8*
call {}* @llvm.invariant.start.p0i8(i64 3, i8* %A)
ret void
}
@object4 = global i32 0
; CHECK: @object4 = global i32 -1
define void @ctor4() {
store i32 -1, i32* @object4
%A = bitcast i32* @object4 to i8*
call {}* @llvm.invariant.start.p0i8(i64 -1, i8* %A)
ret void
}
@llvm.global_ctors = appending constant
[4 x { i32, void ()*, i8* }]
[ { i32, void ()*, i8* } { i32 65535, void ()* @ctor1, i8* null },
{ i32, void ()*, i8* } { i32 65535, void ()* @ctor2, i8* null },
{ i32, void ()*, i8* } { i32 65535, void ()* @ctor3, i8* null },
{ i32, void ()*, i8* } { i32 65535, void ()* @ctor4, i8* null } ]
|