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' 21 target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" 22 target 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 27 define i32 @foo() #0 !dbg !4 { 28 entry: 29 ret i32 0, !dbg !10 30 } 31 32 define internal void @asan.module_ctor() { 33 call void @__asan_init_v3() 34 ret void 35 } 36 37 declare void @__asan_init_v3() 38 39 declare void @__asan_report_load1(i32) 40 41 declare void @__asan_report_load2(i32) 42 43 declare void @__asan_report_load4(i32) 44 45 declare void @__asan_report_load8(i32) 46 47 declare void @__asan_report_load16(i32) 48 49 declare void @__asan_report_store1(i32) 50 51 declare void @__asan_report_store2(i32) 52 53 declare void @__asan_report_store4(i32) 54 55 declare void @__asan_report_store8(i32) 56 57 declare void @__asan_report_store16(i32) 58 59 declare void @__asan_report_load_n(i32, i32) 60 61 declare void @__asan_report_store_n(i32, i32) 62 63 declare void @__asan_handle_no_return() 64 65 declare void @__sanitizer_cov() 66 67 declare void @__sanitizer_ptr_cmp(i32, i32) 68 69 declare void @__sanitizer_ptr_sub(i32, i32) 70 71 declare void @__asan_before_dynamic_init(i32) 72 73 declare void @__asan_after_dynamic_init() 74 75 declare void @__asan_register_globals(i32, i32) 76 77 declare void @__asan_unregister_globals(i32, i32) 78 79 attributes #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 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 86 !1 = !DIFile(filename: "asan.c", directory: "D:\5C") 87 !2 = !{} 88 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2) 89 !5 = !DIFile(filename: "asan.c", directory: "D:C") 90 !6 = !DISubroutineType(types: !2) 91 !7 = !{i32 2, !"CodeView", i32 1} 92 !8 = !{i32 1, !"Debug Info Version", i32 3} 93 !9 = !{!"clang version 3.5.0 "} 94 !10 = !DILocation(line: 2, scope: !4) 95