| ; RUN: opt -S -simplifycfg -strip-debug < %s | FileCheck %s |
| ; RUN: opt -S -simplifycfg < %s | FileCheck %s |
| |
| ; Test case for BUG-27615 |
| ; Test that simplify cond branch produce same result for debug and non-debug builds |
| ; CHECK: select i1 %or.cond, i32 -1, i32 5 |
| ; CHECK-NOT: bb1: |
| |
| ; ModuleID = './csmith107.i.debug.ll' |
| source_filename = "./csmith107.i.debug.ll" |
| |
| @a = global i16 0, !dbg !0 |
| @b = global i32 0, !dbg !4 |
| @c = global i16* null, !dbg !9 |
| |
| define i16 @fn1() !dbg !17 { |
| bb2: |
| store i32 -1, i32* @b, align 1 |
| %_tmp1.pre = load i16, i16* @a, align 1, !dbg !20 |
| %_tmp2.pre = load i16*, i16** @c, align 1 |
| tail call void @llvm.dbg.value(metadata i16 6, metadata !22, metadata !23), !dbg !24 |
| tail call void @llvm.dbg.value(metadata i16 %_tmp1.pre, metadata !25, metadata !23), !dbg !20 |
| %_tmp3 = load i16, i16* %_tmp2.pre, align 1 |
| %_tmp4 = icmp ne i16 %_tmp3, 0 |
| %_tmp6 = icmp ne i16 %_tmp1.pre, 0 |
| %or.cond = and i1 %_tmp6, %_tmp4 |
| br i1 %or.cond, label %bb5, label %bb1 |
| |
| bb1: ; preds = %bb2 |
| store i32 5, i32* @b, align 1 |
| br label %bb5 |
| |
| bb5: ; preds = %bb1, %bb2 |
| ret i16 0 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #0 |
| |
| attributes #0 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!12} |
| !llvm.module.flags = !{!15, !16} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true) |
| !2 = !DIFile(filename: "csmith107.i.c", directory: "/tmp") |
| !3 = !DIBasicType(name: "int", size: 16, align: 16, encoding: DW_ATE_signed) |
| !4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression()) |
| !5 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 3, type: !6, isLocal: false, isDefinition: true) |
| !6 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !2, line: 1, baseType: !7) |
| !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "__u32_t", file: !2, baseType: !8) |
| !8 = !DIBasicType(name: "unsigned long", size: 32, align: 16, encoding: DW_ATE_unsigned) |
| !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) |
| !10 = !DIGlobalVariable(name: "c", scope: null, file: !2, line: 4, type: !11, isLocal: false, isDefinition: true) |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 16, align: 16) |
| !12 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "FlexC Compiler v6.36 (LLVM)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !13, retainedTypes: !13, globals: !14) |
| !13 = !{} |
| !14 = !{!0, !4, !9} |
| !15 = !{i32 2, !"Dwarf Version", i32 4} |
| !16 = !{i32 2, !"Debug Info Version", i32 3} |
| !17 = distinct !DISubprogram(name: "fn1", scope: !2, file: !2, line: 5, type: !18, isLocal: false, isDefinition: true, scopeLine: 5, isOptimized: false, unit: !12, retainedNodes: !13) |
| !18 = !DISubroutineType(types: !19) |
| !19 = !{!3} |
| !20 = !DILocation(line: 8, column: 16, scope: !21) |
| !21 = !DILexicalBlock(scope: !17, file: !2, line: 7, column: 29) |
| !22 = !DILocalVariable(name: "d", scope: !21, line: 8, type: !3) |
| !23 = !DIExpression() |
| !24 = !DILocation(line: 8, column: 9, scope: !21) |
| !25 = !DILocalVariable(name: "e", scope: !21, line: 8, type: !3) |
| |