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96 lines
4.2 KiB
96 lines
4.2 KiB
; Check that LoopSimplify creates debug locations in synthesized basic blocks.
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; RUN: opt -loop-simplify %s -S -o - | FileCheck %s
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%union.anon = type { i32 }
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%"Length" = type <{ %union.anon, i8, i8, i8, i8 }>
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declare void @bar(%"Length"*) #3
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@catchtypeinfo = external unnamed_addr constant { i8*, i8*, i8* }
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declare i32 @__gxx_personality_v0(...)
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declare void @f1()
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declare void @f2()
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declare void @f3()
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; CHECK-LABEL: @foo
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; CHECK: for.body.preheader:
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; CHECK-NEXT: br label %for.body, !dbg [[PREHEADER_LOC:![0-9]+]]
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; CHECK: for.end.loopexit:
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; CHECK-NEXT: br label %for.end, !dbg [[LOOPEXIT_LOC:![0-9]+]]
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define linkonce_odr hidden void @foo(%"Length"* %begin, %"Length"* %end) nounwind ssp uwtable align 2 !dbg !6 {
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entry:
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%cmp.4 = icmp eq %"Length"* %begin, %end, !dbg !7
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br i1 %cmp.4, label %for.end, label %for.body, !dbg !8
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for.body: ; preds = %entry, %length.exit
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%begin.sink5 = phi %"Length"* [ %incdec.ptr, %length.exit ], [ %begin, %entry ]
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%m_type.i.i.i = getelementptr inbounds %"Length", %"Length"* %begin.sink5, i64 0, i32 2, !dbg !9
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%0 = load i8, i8* %m_type.i.i.i, align 1, !dbg !9
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%cmp.i.i = icmp eq i8 %0, 9, !dbg !7
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br i1 %cmp.i.i, label %if.then.i, label %length.exit, !dbg !8
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if.then.i: ; preds = %for.body
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tail call void @bar(%"Length"* %begin.sink5) #7, !dbg !10
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br label %length.exit, !dbg !10
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length.exit: ; preds = %for.body, %if.then.i
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%incdec.ptr = getelementptr inbounds %"Length", %"Length"* %begin.sink5, i64 1, !dbg !11
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%cmp = icmp eq %"Length"* %incdec.ptr, %end, !dbg !7
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br i1 %cmp, label %for.end, label %for.body, !dbg !8
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for.end: ; preds = %length.exit, %entry
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ret void, !dbg !12
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}
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; CHECK-LABEL: @with_landingpad
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; CHECK: catch.preheader:
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; CHECK: br label %catch, !dbg [[LPAD_PREHEADER_LOC:![0-9]+]]
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; CHECK: catch.preheader.split-lp:
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; CHECK: br label %catch, !dbg [[LPAD_PREHEADER_LOC]]
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define void @with_landingpad() uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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invoke void @f1() to label %try.cont19 unwind label %catch, !dbg !13
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catch: ; preds = %if.else, %entry
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%0 = landingpad { i8*, i32 }
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catch i8* bitcast ({ i8*, i8*, i8* }* @catchtypeinfo to i8*), !dbg !13
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invoke void @f3() to label %if.else unwind label %eh.resume, !dbg !13
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if.else: ; preds = %catch
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invoke void @f2() to label %try.cont19 unwind label %catch, !dbg !13
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try.cont19: ; preds = %if.else, %entry
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ret void, !dbg !13
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eh.resume: ; preds = %catch
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%1 = landingpad { i8*, i32 }
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cleanup catch i8* bitcast ({ i8*, i8*, i8* }* @catchtypeinfo to i8*), !dbg !13
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resume { i8*, i32 } undef, !dbg !13
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}
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; CHECK-DAG: [[PREHEADER_LOC]] = !DILocation(line: 73, column: 27, scope: !{{[0-9]+}})
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; CHECK-DAG: [[LOOPEXIT_LOC]] = !DILocation(line: 75, column: 9, scope: !{{[0-9]+}})
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; CHECK-DAG: [[LPAD_PREHEADER_LOC]] = !DILocation(line: 85, column: 1, scope: !{{[0-9]+}})
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!llvm.module.flags = !{!0, !1, !2}
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!llvm.dbg.cu = !{!14}
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!0 = !{i32 2, !"Dwarf Version", i32 4}
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!1 = !{i32 2, !"Debug Info Version", i32 3}
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!2 = !{i32 1, !"PIC Level", i32 2}
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!3 = !{}
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!4 = !DISubroutineType(types: !3)
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!5 = !DIFile(filename: "Vector.h", directory: "/tmp")
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!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)
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!7 = !DILocation(line: 73, column: 38, scope: !6)
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!8 = !DILocation(line: 73, column: 13, scope: !6)
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!9 = !DILocation(line: 73, column: 27, scope: !6)
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!10 = !DILocation(line: 74, column: 17, scope: !6)
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!11 = !DILocation(line: 73, column: 46, scope: !6)
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!12 = !DILocation(line: 75, column: 9, scope: !6)
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!13 = !DILocation(line: 85, column: 1, scope: !6)
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!14 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang",
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file: !5,
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isOptimized: true, flags: "-O2",
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splitDebugFilename: "abc.debug", emissionKind: 2)
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