1; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 -O0 < %s | FileCheck --check-prefix=X86 %s 2 3; This LL file was generated by running clang on the following code with 4; -fsanitize=address 5; D:\asan.c: 6; 1 int foo(void) { 7; 2 return 0; 8; 3 } 9 10; The module ctor has no debug info. All we have to do is don't crash. 11; X86: _asan.module_ctor: 12; X86-NEXT: L{{.*}}: 13; X86-NEXT: # BB 14; X86-NEXT: calll ___asan_init_v3 15; X86-NEXT: retl 16 17; Make sure we don't put any DWARF debug info for ASan-instrumented modules. 18; X86-NOT: DWARF 19 20; ModuleID = 'asan.c' 21target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" 22target triple = "i686-pc-win32" 23 24@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }] 25 26; Function Attrs: nounwind sanitize_address 27define i32 @foo() #0 { 28entry: 29 ret i32 0, !dbg !10 30} 31 32define internal void @asan.module_ctor() { 33 call void @__asan_init_v3() 34 ret void 35} 36 37declare void @__asan_init_v3() 38 39declare void @__asan_report_load1(i32) 40 41declare void @__asan_report_load2(i32) 42 43declare void @__asan_report_load4(i32) 44 45declare void @__asan_report_load8(i32) 46 47declare void @__asan_report_load16(i32) 48 49declare void @__asan_report_store1(i32) 50 51declare void @__asan_report_store2(i32) 52 53declare void @__asan_report_store4(i32) 54 55declare void @__asan_report_store8(i32) 56 57declare void @__asan_report_store16(i32) 58 59declare void @__asan_report_load_n(i32, i32) 60 61declare void @__asan_report_store_n(i32, i32) 62 63declare void @__asan_handle_no_return() 64 65declare void @__sanitizer_cov() 66 67declare void @__sanitizer_ptr_cmp(i32, i32) 68 69declare void @__sanitizer_ptr_sub(i32, i32) 70 71declare void @__asan_before_dynamic_init(i32) 72 73declare void @__asan_after_dynamic_init() 74 75declare void @__asan_register_globals(i32, i32) 76 77declare void @__asan_unregister_globals(i32, i32) 78 79attributes #0 = { nounwind sanitize_address "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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" } 80 81!llvm.dbg.cu = !{!0} 82!llvm.module.flags = !{!7, !8} 83!llvm.ident = !{!9} 84 85!0 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 2, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 86!1 = !MDFile(filename: "asan.c", directory: "D:\5C") 87!2 = !{} 88!3 = !{!4} 89!4 = !MDSubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: i32 ()* @foo, variables: !2) 90!5 = !MDFile(filename: "asan.c", directory: "D:C") 91!6 = !MDSubroutineType(types: !2) 92!7 = !{i32 2, !"Dwarf Version", i32 4} 93!8 = !{i32 1, !"Debug Info Version", i32 3} 94!9 = !{!"clang version 3.5.0 "} 95!10 = !MDLocation(line: 2, scope: !4) 96