1 ; Check that LoopSimplify creates debug locations in synthesized basic blocks.
2 ; RUN: opt -loop-simplify %s -S -o - | FileCheck %s
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(...)
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]+]]
19 define linkonce_odr hidden void @foo(%"Length"* %begin, %"Length"* %end) nounwind ssp uwtable align 2 !dbg !6 {
21 %cmp.4 = icmp eq %"Length"* %begin, %end, !dbg !7
22 br i1 %cmp.4, label %for.end, label %for.body, !dbg !8
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
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
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
41 for.end: ; preds = %length.exit, %entry
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]]
51 define void @with_landingpad() uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
53 invoke void @f1() to label %try.cont19 unwind label %catch, !dbg !13
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
60 if.else: ; preds = %catch
61 invoke void @f2() to label %try.cont19 unwind label %catch, !dbg !13
63 try.cont19: ; preds = %if.else, %entry
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
72 ; Function Attrs: nounwind readnone
73 declare void @llvm.dbg.value(metadata, metadata, metadata)
75 ; CHECK-DAG: [[PREHEADER_LOC]] = !DILocation(line: 73, column: 13, 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]+}})
79 !llvm.module.flags = !{!0, !1, !2}
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}
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",
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)