1; RUN: opt -S -simplifycfg -strip-debug < %s | FileCheck %s 2; RUN: opt -S -simplifycfg < %s | FileCheck %s 3 4; Test case for BUG-27615 5; Test that simplify cond branch produce same result for debug and non-debug builds 6; CHECK: select i1 %or.cond, i32 -1, i32 5 7; CHECK-NOT: bb1: 8 9; ModuleID = './csmith107.i.debug.ll' 10source_filename = "./csmith107.i.debug.ll" 11 12@a = global i16 0 13@b = global i32 0 14@c = global i16* null 15 16 17; Function Attrs: nounwind 18define i16 @fn1() #3 !dbg !15 { 19bb2: 20 store i32 -1, i32* @b, align 1 21 %_tmp1.pre = load i16, i16* @a, align 1, !dbg !19 22 %_tmp2.pre = load i16*, i16** @c, align 1 23 tail call void @llvm.dbg.value(metadata i16 6, i64 0, metadata !22, metadata !23), !dbg !24 24 tail call void @llvm.dbg.value(metadata i16 %_tmp1.pre, i64 0, metadata !25, metadata !23), !dbg !19 25 %_tmp3 = load i16, i16* %_tmp2.pre, align 1 26 %_tmp4 = icmp ne i16 %_tmp3, 0 27 %_tmp6 = icmp ne i16 %_tmp1.pre, 0 28 %or.cond = and i1 %_tmp6, %_tmp4 29 br i1 %or.cond, label %bb5, label %bb1 30 31bb1: ; preds = %bb2 32 store i32 5, i32* @b, align 1 33 br label %bb5 34 35bb5: ; preds = %bb1, %bb2 36 ret i16 0 37} 38 39; Function Attrs: nounwind readnone 40declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #4 41 42!llvm.dbg.cu = !{!0} 43!llvm.module.flags = !{!12, !13} 44 45!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "FlexC Compiler v6.36 (LLVM)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3) 46!1 = !DIFile(filename: "csmith107.i.c", directory: "/tmp") 47!2 = !{} 48!3 = !{!4, !6, !10} 49!4 = !DIGlobalVariable(name: "a", scope: null, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, variable: i16* @a) 50!5 = !DIBasicType(name: "int", size: 16, align: 16, encoding: DW_ATE_signed) 51!6 = !DIGlobalVariable(name: "b", scope: null, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, variable: i32* @b) 52!7 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !1, line: 1, baseType: !8) 53!8 = !DIDerivedType(tag: DW_TAG_typedef, name: "__u32_t", file: !1, baseType: !9) 54!9 = !DIBasicType(name: "unsigned long", size: 32, align: 16, encoding: DW_ATE_unsigned) 55!10 = !DIGlobalVariable(name: "c", scope: null, file: !1, line: 4, type: !11, isLocal: false, isDefinition: true, variable: i16** @c) 56!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 16, align: 16) 57!12 = !{i32 2, !"Dwarf Version", i32 4} 58!13 = !{i32 2, !"Debug Info Version", i32 3} 59!15 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 5, type: !16, isLocal: false, isDefinition: true, scopeLine: 5, isOptimized: false, unit: !0, variables: !2) 60!16 = !DISubroutineType(types: !17) 61!17 = !{!5} 62!19 = !DILocation(line: 8, column: 16, scope: !20) 63!20 = !DILexicalBlock(scope: !15, file: !1, line: 7, column: 29) 64!22 = !DILocalVariable(name: "d", scope: !20, line: 8, type: !5) 65!23 = !DIExpression() 66!24 = !DILocation(line: 8, column: 9, scope: !20) 67!25 = !DILocalVariable(name: "e", scope: !20, line: 8, type: !5) 68 69