1; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=0 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 2; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 3; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=0 -mtriple=x86_64-apple-macosx10.11.0 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 4; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-apple-macosx10.11.0 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 5; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=0 -mtriple=x86_64-pc-windows-msvc19.0.24215 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 6; RUN: opt < %s -passes='asan-pipeline' -asan-globals-live-support=0 -mtriple=x86_64-pc-windows-msvc19.0.24215 -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s 7; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-globals-live-support=0 -asan-mapping-scale=5 -mtriple=x86_64-unknown-linux-gnu -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %s 8; 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 9 10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 11 12; Globals: 13@global = global i32 0, align 4 14@dyn_init_global = global i32 0, align 4 15@blacklisted_global = global i32 0, align 4 16@_ZZ4funcvE10static_var = internal global i32 0, align 4 17@.str = private unnamed_addr constant [14 x i8] c"Hello, world!\00", align 1 18@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_asan_globals.cpp, i8* null }] 19 20; Check that globals were instrumented: 21; CHECK: @global = global { i32, [60 x i8] } zeroinitializer, align 32 22; CHECK: @.str = internal constant { [14 x i8], [50 x i8] } { [14 x i8] c"Hello, world!\00", [50 x i8] zeroinitializer }{{.*}}, align 32 23 24; Check emitted location descriptions: 25; CHECK: [[VARNAME:@___asan_gen_.[0-9]+]] = private unnamed_addr constant [7 x i8] c"global\00", align 1 26; CHECK: [[FILENAME:@___asan_gen_.[0-9]+]] = private unnamed_addr constant [22 x i8] c"/tmp/asan-globals.cpp\00", align 1 27; CHECK: [[LOCDESCR:@___asan_gen_.[0-9]+]] = private unnamed_addr constant { [22 x i8]*, i32, i32 } { [22 x i8]* [[FILENAME]], i32 5, i32 5 } 28 29; Check that location descriptors and global names were passed into __asan_register_globals: 30; CHECK: i64 ptrtoint ([7 x i8]* [[VARNAME]] to i64) 31; CHECK: i64 ptrtoint ({ [22 x i8]*, i32, i32 }* [[LOCDESCR]] to i64) 32; Check alignment of metadata_array. 33; CHECK-S5-SAME: {{align 32$}} 34 35; Function Attrs: nounwind sanitize_address 36define internal void @__cxx_global_var_init() #0 section ".text.startup" { 37entry: 38 %0 = load i32, i32* @global, align 4 39 store i32 %0, i32* @dyn_init_global, align 4 40 ret void 41} 42 43; Function Attrs: nounwind sanitize_address 44define void @_Z4funcv() #1 { 45entry: 46 %literal = alloca i8*, align 8 47 store i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0), i8** %literal, align 8 48 ret void 49} 50 51; Function Attrs: nounwind sanitize_address 52define internal void @_GLOBAL__sub_I_asan_globals.cpp() #0 section ".text.startup" { 53entry: 54 call void @__cxx_global_var_init() 55 ret void 56} 57 58attributes #0 = { nounwind sanitize_address } 59attributes #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" } 60 61!llvm.asan.globals = !{!0, !1, !2, !3, !4} 62!llvm.ident = !{!5} 63 64!0 = !{i32* @global, !6, !"global", i1 false, i1 false} 65!1 = !{i32* @dyn_init_global, !7, !"dyn_init_global", i1 true, i1 false} 66!2 = !{i32* @blacklisted_global, null, null, i1 false, i1 true} 67!3 = !{i32* @_ZZ4funcvE10static_var, !8, !"static_var", i1 false, i1 false} 68!4 = !{[14 x i8]* @.str, !9, !"<string literal>", i1 false, i1 false} 69 70!5 = !{!"clang version 3.5.0 (211282)"} 71 72!6 = !{!"/tmp/asan-globals.cpp", i32 5, i32 5} 73!7 = !{!"/tmp/asan-globals.cpp", i32 7, i32 5} 74!8 = !{!"/tmp/asan-globals.cpp", i32 12, i32 14} 75!9 = !{!"/tmp/asan-globals.cpp", i32 14, i32 25} 76