1; RUN: opt < %s -S -globalopt | FileCheck %s
2
3target 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"
4
5@.str91250 = global [3 x i8] zeroinitializer
6
7; CHECK: @A = global i1 false
8@A = global i1 icmp ne (i64 sub nsw (i64 ptrtoint (i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str91250, i64 0, i64 1) to i64), i64 ptrtoint ([3 x i8]* @.str91250 to i64)), i64 1)
9
10; PR11352
11
12@xs = global [2 x i32] zeroinitializer, align 4
13; CHECK: @xs = global [2 x i32] [i32 1, i32 1]
14
15; PR12642
16%PR12642.struct = type { i8 }
17@PR12642.s = global <{}> zeroinitializer, align 1
18@PR12642.p = constant %PR12642.struct* bitcast (i8* getelementptr (i8, i8* bitcast (<{}>* @PR12642.s to i8*), i64 1) to %PR12642.struct*), align 8
19
20define internal void @test1() {
21entry:
22  store i32 1, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @xs, i64 0, i64 0)
23  %0 = load i32, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @xs, i32 0, i64 0), align 4
24  store i32 %0, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @xs, i64 0, i64 1)
25  ret void
26}
27
28; PR12060
29
30%closure = type { i32 }
31
32@f = internal global %closure zeroinitializer, align 4
33@m = global i32 0, align 4
34; CHECK-NOT: @f
35; CHECK: @m = global i32 13
36
37define internal i32 @test2_helper(%closure* %this, i32 %b) {
38entry:
39  %0 = getelementptr inbounds %closure, %closure* %this, i32 0, i32 0
40  %1 = load i32, i32* %0, align 4
41  %add = add nsw i32 %1, %b
42  ret i32 %add
43}
44
45define internal void @test2() {
46entry:
47  store i32 4, i32* getelementptr inbounds (%closure, %closure* @f, i32 0, i32 0)
48  %call = call i32 @test2_helper(%closure* @f, i32 9)
49  store i32 %call, i32* @m, align 4
50  ret void
51}
52
53; PR19955
54
55@dllimportptr = global i32* null, align 4
56; CHECK: @dllimportptr = global i32* null, align 4
57@dllimportvar = external dllimport global i32
58define internal void @test3() {
59entry:
60  store i32* @dllimportvar, i32** @dllimportptr, align 4
61  ret void
62}
63
64@dllexportptr = global i32* null, align 4
65; CHECK: @dllexportptr = global i32* @dllexportvar, align 4
66@dllexportvar = dllexport global i32 0, align 4
67; CHECK: @dllexportvar = dllexport global i32 20, align 4
68define internal void @test4() {
69entry:
70  store i32 20, i32* @dllexportvar, align 4
71  store i32* @dllexportvar, i32** @dllexportptr, align 4
72  ret void
73}
74
75@threadlocalptr = global i32* null, align 4
76; CHECK: @threadlocalptr = global i32* null, align 4
77@threadlocalvar = external thread_local global i32
78define internal void @test5() {
79entry:
80  store i32* @threadlocalvar, i32** @threadlocalptr, align 4
81  ret void
82}
83
84@test6_v1 = internal global { i32, i32 } { i32 42, i32 0 }, align 8
85@test6_v2 = global i32 0, align 4
86; CHECK: @test6_v2 = global i32 42, align 4
87define internal void @test6() {
88  %load = load { i32, i32 }, { i32, i32 }* @test6_v1, align 8
89  %xv0 = extractvalue { i32, i32 } %load, 0
90  %iv = insertvalue { i32, i32 } %load, i32 %xv0, 1
91  %xv1 = extractvalue { i32, i32 } %iv, 1
92  store i32 %xv1, i32* @test6_v2, align 4
93  ret void
94}
95
96@llvm.global_ctors = appending constant
97  [6 x { i32, void ()* }]
98  [{ i32, void ()* } { i32 65535, void ()* @test1 },
99   { i32, void ()* } { i32 65535, void ()* @test2 },
100   { i32, void ()* } { i32 65535, void ()* @test3 },
101   { i32, void ()* } { i32 65535, void ()* @test4 },
102   { i32, void ()* } { i32 65535, void ()* @test5 },
103   { i32, void ()* } { i32 65535, void ()* @test6 }]
104