1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; Verify whether debug information is attached to the store to null/undef instruction 3; !dbg should be present at the end of "store to null" instruction 4; RUN: opt -S -passes='instcombine' < %s | FileCheck %s > /dev/null 5 6define void @_Z3foov() { 7; CHECK-LABEL: define void @_Z3foov() { 8; CHECK-NEXT: entry: 9; CHECK-NEXT: store i1 true, ptr poison, align 1, !dbg [[DBG4:![0-9]+]] 10; CHECK-NEXT: ret void 11; 12 13entry: 14 tail call void null(), !dbg !4 15 ret void 16} 17 18!llvm.dbg.cu = !{!0} 19!llvm.module.flags = !{!3} 20 21!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "Clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None) 22!1 = !DIFile(filename: "test_sym_mod.cpp", directory: "/workspace/asaravan/test_bugpoint") 23!2 = !{} 24!3 = !{i32 2, !"Debug Info Version", i32 3} 25!4 = !DILocation(line: 83, column: 3, scope: !5) 26!5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 77, type: !6, scopeLine: 78, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 27!6 = !DISubroutineType(types: !7) 28!7 = !{null} 29;. 30; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META1:![0-9]+]], producer: "Clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: [[META2:![0-9]+]], globals: [[META2]], splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None) 31; CHECK: [[META1]] = !DIFile(filename: "test_sym_mod.cpp", directory: {{.*}}) 32; CHECK: [[META2]] = !{} 33; CHECK: [[DBG4]] = !DILocation(line: 83, column: 3, scope: [[META5:![0-9]+]]) 34; CHECK: [[META5]] = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: [[META1]], file: [[META1]], line: 77, type: [[META6:![0-9]+]], scopeLine: 78, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META2]]) 35; CHECK: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]]) 36; CHECK: [[META7]] = !{null} 37;. 38