1 ; Check that LoopSimplify creates debug locations in synthesized basic blocks. 2 ; RUN: opt -loop-simplify %s -S -o - | FileCheck %s 3 4 %union.anon = type { i32 } 5 %"Length" = type <{ %union.anon, i8, i8, i8, i8 }> 6 declare void @bar(%"Length"*) #3 7 @catchtypeinfo = external unnamed_addr constant { i8*, i8*, i8* } 8 declare i32 @__gxx_personality_v0(...) 9 declare void @f1() 10 declare void @f2() 11 declare void @f3() 12 13 ; CHECK-LABEL: @foo 14 ; CHECK: for.body.preheader: 15 ; CHECK-NEXT: br label %for.body, !dbg [[PREHEADER_LOC:![0-9]+]] 16 ; CHECK: for.end.loopexit: 17 ; CHECK-NEXT: br label %for.end, !dbg [[LOOPEXIT_LOC:![0-9]+]] 18 19 define linkonce_odr hidden void @foo(%"Length"* %begin, %"Length"* %end) nounwind ssp uwtable align 2 !dbg !6 { 20 entry: 21 %cmp.4 = icmp eq %"Length"* %begin, %end, !dbg !7 22 br i1 %cmp.4, label %for.end, label %for.body, !dbg !8 23 24 for.body: ; preds = %entry, %length.exit 25 %begin.sink5 = phi %"Length"* [ %incdec.ptr, %length.exit ], [ %begin, %entry ] 26 tail call void @llvm.dbg.value(metadata %"Length"* %begin.sink5, metadata !15, metadata !16), !dbg !17 27 %m_type.i.i.i = getelementptr inbounds %"Length", %"Length"* %begin.sink5, i64 0, i32 2, !dbg !9 28 %0 = load i8, i8* %m_type.i.i.i, align 1, !dbg !9 29 %cmp.i.i = icmp eq i8 %0, 9, !dbg !7 30 br i1 %cmp.i.i, label %if.then.i, label %length.exit, !dbg !8 31 32 if.then.i: ; preds = %for.body 33 tail call void @bar(%"Length"* %begin.sink5) #7, !dbg !10 34 br label %length.exit, !dbg !10 35 36 length.exit: ; preds = %for.body, %if.then.i 37 %incdec.ptr = getelementptr inbounds %"Length", %"Length"* %begin.sink5, i64 1, !dbg !11 38 %cmp = icmp eq %"Length"* %incdec.ptr, %end, !dbg !7 39 br i1 %cmp, label %for.end, label %for.body, !dbg !8 40 41 for.end: ; preds = %length.exit, %entry 42 ret void, !dbg !12 43 } 44 45 ; CHECK-LABEL: @with_landingpad 46 ; CHECK: catch.preheader: 47 ; CHECK: br label %catch, !dbg [[LPAD_PREHEADER_LOC:![0-9]+]] 48 ; CHECK: catch.preheader.split-lp: 49 ; CHECK: br label %catch, !dbg [[LPAD_PREHEADER_LOC]] 50 51 define void @with_landingpad() uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 52 entry: 53 invoke void @f1() to label %try.cont19 unwind label %catch, !dbg !13 54 55 catch: ; preds = %if.else, %entry 56 %0 = landingpad { i8*, i32 } 57 catch i8* bitcast ({ i8*, i8*, i8* }* @catchtypeinfo to i8*), !dbg !13 58 invoke void @f3() to label %if.else unwind label %eh.resume, !dbg !13 59 60 if.else: ; preds = %catch 61 invoke void @f2() to label %try.cont19 unwind label %catch, !dbg !13 62 63 try.cont19: ; preds = %if.else, %entry 64 ret void, !dbg !13 65 66 eh.resume: ; preds = %catch 67 %1 = landingpad { i8*, i32 } 68 cleanup catch i8* bitcast ({ i8*, i8*, i8* }* @catchtypeinfo to i8*), !dbg !13 69 resume { i8*, i32 } undef, !dbg !13 70 } 71 72 ; Function Attrs: nounwind readnone 73 declare void @llvm.dbg.value(metadata, metadata, metadata) 74 75 ; CHECK-DAG: [[PREHEADER_LOC]] = !DILocation(line: 73, column: 27, scope: !{{[0-9]+}}) 76 ; CHECK-DAG: [[LOOPEXIT_LOC]] = !DILocation(line: 75, column: 9, scope: !{{[0-9]+}}) 77 ; CHECK-DAG: [[LPAD_PREHEADER_LOC]] = !DILocation(line: 85, column: 1, scope: !{{[0-9]+}}) 78 79 !llvm.module.flags = !{!0, !1, !2} 80 !llvm.dbg.cu = !{!14} 81 !0 = !{i32 2, !"Dwarf Version", i32 4} 82 !1 = !{i32 2, !"Debug Info Version", i32 3} 83 !2 = !{i32 1, !"PIC Level", i32 2} 84 85 !3 = !{} 86 !4 = !DISubroutineType(types: !3) 87 !5 = !DIFile(filename: "Vector.h", directory: "/tmp") 88 !6 = distinct !DISubprogram(name: "destruct", scope: !5, file: !5, line: 71, type: !4, isLocal: false, isDefinition: true, scopeLine: 72, flags: DIFlagPrototyped, isOptimized: false, unit: !14, retainedNodes: !3) 89 !7 = !DILocation(line: 73, column: 38, scope: !6) 90 !8 = !DILocation(line: 73, column: 13, scope: !6) 91 !9 = !DILocation(line: 73, column: 27, scope: !6) 92 !10 = !DILocation(line: 74, column: 17, scope: !6) 93 !11 = !DILocation(line: 73, column: 46, scope: !6) 94 !12 = !DILocation(line: 75, column: 9, scope: !6) 95 !13 = !DILocation(line: 85, column: 1, scope: !6) 96 !14 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", 97 file: !5, 98 isOptimized: true, flags: "-O2", 99 splitDebugFilename: "abc.debug", emissionKind: 2) 100 !15 = !DILocalVariable(name: "begin", arg: 1, scope: !6, file: !5, line: 71) 101 !16 = !DIExpression() 102 !17 = !DILocation(line: 71, column: 32, scope: !6) 103
