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