1; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s 2define void @foo() nounwind ssp #0 !dbg !0 { 3; CHECK: store i32 42, ptr null 4; CHECK-NOT: call void @llvm.trap() 5; CHECK: ret void 6 store i32 42, ptr null, !dbg !5 7 ret void, !dbg !7 8} 9 10attributes #0 = { null_pointer_is_valid } 11 12!llvm.dbg.cu = !{!2} 13!llvm.module.flags = !{!10} 14 15!0 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !2, file: !8, scope: !1, type: !3) 16!1 = !DIFile(filename: "foo.c", directory: "/private/tmp") 17!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "Apple clang version 3.0 (tags/Apple/clang-206.1) (based on LLVM 3.0svn)", isOptimized: true, emissionKind: FullDebug, file: !8, enums: !{}, retainedTypes: !{}) 18!3 = !DISubroutineType(types: !4) 19!4 = !{null} 20!5 = !DILocation(line: 4, column: 2, scope: !6) 21!6 = distinct !DILexicalBlock(line: 3, column: 12, file: !8, scope: !0) 22!7 = !DILocation(line: 5, column: 1, scope: !6) 23!8 = !DIFile(filename: "foo.c", directory: "/private/tmp") 24!10 = !{i32 1, !"Debug Info Version", i32 3} 25