1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
2; RUN: opt -S -globalopt < %s | FileCheck %s
3
4@llvm.global_ctors = appending global [6 x { i32, ptr, ptr }] [
5  { i32, ptr, ptr } { i32 65535, ptr @ctor0, ptr null },
6  { i32, ptr, ptr } { i32 65535, ptr @ctor1, ptr null },
7  { i32, ptr, ptr } { i32 65535, ptr @ctor2, ptr null },
8  { i32, ptr, ptr } { i32 65535, ptr @ctor3, ptr null },
9  { i32, ptr, ptr } { i32 65535, ptr @ctor4, ptr null },
10  { i32, ptr, ptr } { i32 65535, ptr @ctor5, ptr null }
11]
12
13;.
14; CHECK: @[[LLVM_GLOBAL_CTORS:[a-zA-Z0-9_$"\\.-]+]] = appending global [0 x { i32, ptr, ptr }] zeroinitializer
15; CHECK: @[[G0:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i32, i32 } zeroinitializer
16; CHECK: @[[G1:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i32, i32, i32 } { i32 0, i32 0, i32 1 }
17; CHECK: @[[G2:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i32, i32, i32 } { i32 1, i32 0, i32 0 }
18; CHECK: @[[G3:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i32, i32 } { i32 0, i32 1 }
19; CHECK: @[[G4:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i32, i32 } { i32 0, i32 undef }
20; CHECK: @[[G5:[a-zA-Z0-9_$"\\.-]+]] = local_unnamed_addr global { i16, i32 } { i16 0, i32 1 }
21;.
22
23; memset of all-zero global
24@g0 = global { i32, i32 } zeroinitializer
25define internal void @ctor0() {
26  call void @llvm.memset.p0.i64(ptr @g0, i8 0, i64 8, i1 false)
27  ret void
28}
29
30; memset of zero prefix
31@g1 = global { i32, i32, i32 } { i32 0, i32 0, i32 1 }
32
33define internal void @ctor1() {
34  call void @llvm.memset.p0.i64(ptr @g1, i8 0, i64 8, i1 false)
35  ret void
36}
37
38; memset of zero suffix
39@g2 = global { i32, i32, i32 } { i32 1, i32 0, i32 0 }
40
41define internal void @ctor2() {
42  call void @llvm.memset.p0.i64(ptr getelementptr (i32, ptr @g2, i64 1), i8 0, i64 8, i1 false)
43  ret void
44}
45
46; memset of some non-zero bytes
47@g3 = global { i32, i32 } { i32 0, i32 1 }
48
49define internal void @ctor3() {
50  call void @llvm.memset.p0.i64(ptr @g3, i8 0, i64 8, i1 false)
51  ret void
52}
53
54; memset of some undef bytes
55@g4 = global { i32, i32 } { i32 0, i32 undef }
56
57define internal void @ctor4() {
58  call void @llvm.memset.p0.i64(ptr @g4, i8 0, i64 8, i1 false)
59  ret void
60}
61
62; memset including padding bytes
63@g5 = global { i16, i32 } { i16 0, i32 1 }
64
65define internal void @ctor5() {
66  call void @llvm.memset.p0.i64(ptr @g5, i8 0, i64 4, i1 false)
67  ret void
68}
69
70declare void @llvm.memset.p0.i64(ptr, i8, i64, i1)
71