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 %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
31 if.then.i: ; preds = %for.body
32 tail call void @bar(%"Length"* %begin.sink5) #7, !dbg !10
33 br label %length.exit, !dbg !10
35 length.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
40 for.end: ; preds = %length.exit, %entry
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]]
50 define void @with_landingpad() uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
52 invoke void @f1() to label %try.cont19 unwind label %catch, !dbg !13
54 catch: ; 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
59 if.else: ; preds = %catch
60 invoke void @f2() to label %try.cont19 unwind label %catch, !dbg !13
62 try.cont19: ; preds = %if.else, %entry
65 eh.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
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]+}})
75 !llvm.module.flags = !{!0, !1, !2}
76 !0 = !{i32 2, !"Dwarf Version", i32 4}
77 !1 = !{i32 2, !"Debug Info Version", i32 3}
78 !2 = !{i32 1, !"PIC Level", i32 2}
81 !4 = !DISubroutineType(types: !3)
82 !5 = !DIFile(filename: "Vector.h", directory: "/tmp")
83 !6 = distinct !DISubprogram(name: "destruct", scope: !5, file: !5, line: 71, type: !4, isLocal: false, isDefinition: true, scopeLine: 72, flags: DIFlagPrototyped, isOptimized: false, variables: !3)
84 !7 = !DILocation(line: 73, column: 38, scope: !6)
85 !8 = !DILocation(line: 73, column: 13, scope: !6)
86 !9 = !DILocation(line: 73, column: 27, scope: !6)
87 !10 = !DILocation(line: 74, column: 17, scope: !6)
88 !11 = !DILocation(line: 73, column: 46, scope: !6)
89 !12 = !DILocation(line: 75, column: 9, scope: !6)
90 !13 = !DILocation(line: 85, column: 1, scope: !6)