1; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefix=CHECK %s
2; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-apple-macosx10.11.0 -S | FileCheck --check-prefix=CHECK %s
3; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-pc-windows-msvc19.0.24215 -S | FileCheck --check-prefix=CHECK %s
4; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -asan-mapping-scale=5 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7
8; Globals:
9@global = global i32 0, align 4
10@dyn_init_global = global i32 0, align 4
11@blocked_global = global i32 0, align 4
12@_ZZ4funcvE10static_var = internal global i32 0, align 4
13@.str = private unnamed_addr constant [14 x i8] c"Hello, world!\00", align 1
14@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_asan_globals.cpp, i8* null }]
15
16; Check that globals were instrumented:
17; CHECK: @global = global { i32, [28 x i8] } zeroinitializer, align 32
18; CHECK: @.str = internal constant { [14 x i8], [18 x i8] } { [14 x i8] c"Hello, world!\00", [18 x i8] zeroinitializer }{{.*}}, align 32
19
20; Check emitted location descriptions:
21; CHECK: [[VARNAME:@___asan_gen_.[0-9]+]] = private unnamed_addr constant [7 x i8] c"global\00", align 1
22
23; Check that location descriptors and global names were passed into __asan_register_globals:
24; CHECK: i64 ptrtoint ([7 x i8]* [[VARNAME]] to i64)
25; Check alignment of metadata_array.
26; CHECK-S5-SAME: {{align 32$}}
27
28; Function Attrs: nounwind sanitize_address
29define internal void @__cxx_global_var_init() #0 section ".text.startup" {
30entry:
31  %0 = load i32, i32* @global, align 4
32  store i32 %0, i32* @dyn_init_global, align 4
33  ret void
34}
35
36; Function Attrs: nounwind sanitize_address
37define void @_Z4funcv() #1 {
38entry:
39  %literal = alloca i8*, align 8
40  store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0), i8** %literal, align 8
41  ret void
42}
43
44; Function Attrs: nounwind sanitize_address
45define internal void @_GLOBAL__sub_I_asan_globals.cpp() #0 section ".text.startup" {
46entry:
47  call void @__cxx_global_var_init()
48  ret void
49}
50
51attributes #0 = { nounwind sanitize_address }
52attributes #1 = { nounwind sanitize_address "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
53
54!llvm.ident = !{!5}
55
56!5 = !{!"clang version 3.5.0 (211282)"}
57
58!6 = !{!"/tmp/asan-globals.cpp", i32 5, i32 5}
59!7 = !{!"/tmp/asan-globals.cpp", i32 7, i32 5}
60!8 = !{!"/tmp/asan-globals.cpp", i32 12, i32 14}
61!9 = !{!"/tmp/asan-globals.cpp", i32 14, i32 25}
62