| ; RUN: opt -simplifycfg -S < %s | FileCheck %s |
| |
| %0 = type { i32*, i32* } |
| |
| @0 = external hidden constant [5 x %0], align 4 |
| |
| define void @foo(i32) nounwind ssp !dbg !0 { |
| Entry: |
| %1 = icmp slt i32 %0, 0, !dbg !5 |
| br i1 %1, label %BB5, label %BB1, !dbg !5 |
| |
| BB1: ; preds = %Entry |
| %2 = icmp sgt i32 %0, 4, !dbg !5 |
| br i1 %2, label %BB5, label %BB2, !dbg !5 |
| |
| BB2: ; preds = %BB1 |
| %3 = shl i32 1, %0, !dbg !5 |
| %4 = and i32 %3, 31, !dbg !5 |
| %5 = icmp eq i32 %4, 0, !dbg !5 |
| br i1 %5, label %BB5, label %BB3, !dbg !5 |
| |
| ;CHECK: icmp eq |
| ;CHECK-NEXT: getelementptr |
| ;CHECK-NEXT: icmp eq |
| |
| BB3: ; preds = %BB2 |
| %6 = getelementptr inbounds [5 x %0], [5 x %0]* @0, i32 0, i32 %0, !dbg !6 |
| call void @llvm.dbg.value(metadata %0* %6, metadata !7, metadata !{}), !dbg !12 |
| %7 = icmp eq %0* %6, null, !dbg !13 |
| br i1 %7, label %BB5, label %BB4, !dbg !13 |
| |
| BB4: ; preds = %BB3 |
| %8 = icmp slt i32 %0, 0, !dbg !5 |
| ret void, !dbg !14 |
| |
| BB5: ; preds = %BB3, %BB2, %BB1, %Entry |
| ret void, !dbg !14 |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone |
| |
| !llvm.dbg.cu = !{!2} |
| |
| !0 = distinct !DISubprogram(name: "foo", line: 231, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !15, scope: !1, type: !3) |
| !1 = !DIFile(filename: "a.c", directory: "/private/tmp") |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang (trunk 129006)", isOptimized: true, emissionKind: FullDebug, file: !15, enums: !4, retainedTypes: !4) |
| !3 = !DISubroutineType(types: !4) |
| !4 = !{null} |
| !5 = !DILocation(line: 131, column: 2, scope: !0) |
| !6 = !DILocation(line: 134, column: 2, scope: !0) |
| !7 = !DILocalVariable(name: "bar", line: 232, scope: !8, file: !1, type: !9) |
| !8 = distinct !DILexicalBlock(line: 231, column: 1, file: !15, scope: !0) |
| !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, scope: !2, baseType: !10) |
| !10 = !DIDerivedType(tag: DW_TAG_const_type, scope: !2, baseType: !11) |
| !11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) |
| !12 = !DILocation(line: 232, column: 40, scope: !8) |
| !13 = !DILocation(line: 234, column: 2, scope: !8) |
| !14 = !DILocation(line: 274, column: 1, scope: !8) |
| !15 = !DIFile(filename: "a.c", directory: "/private/tmp") |
