1 ; RUN: opt %s -sroa -verify -S -o - | FileCheck %s
3 ; Test that we can partial emit debug info for aggregates repeatedly
16 ; int foo(Outer outer) {
17 ; Inner i1 = outer.inner[1];
22 ; Verify that SROA creates a variable piece when splitting i1.
23 ; CHECK: call void @llvm.dbg.value(metadata i64 %outer.coerce0, metadata ![[O:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)),
24 ; CHECK: call void @llvm.dbg.value(metadata i32 {{.*}}, metadata ![[O]], metadata !DIExpression(DW_OP_LLVM_fragment, 64, 32)),
25 ; CHECK: call void @llvm.dbg.value(metadata i32 {{.*}}, metadata ![[O]], metadata !DIExpression(DW_OP_LLVM_fragment, 96, 32)),
26 ; CHECK: call void @llvm.dbg.value({{.*}}, metadata ![[I1:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)),
27 ; CHECK-DAG: ![[O]] = !DILocalVariable(name: "outer",{{.*}} line: 10
28 ; CHECK-DAG: ![[I1]] = !DILocalVariable(name: "i1",{{.*}} line: 11
30 ; ModuleID = 'sroasplit-2.c'
31 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
32 target triple = "x86_64-apple-macosx10.9.0"
34 %struct.Outer = type { [2 x %struct.Inner] }
35 %struct.Inner = type { i32, i32 }
37 ; Function Attrs: nounwind ssp uwtable
38 define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 !dbg !4 {
39 %outer = alloca %struct.Outer, align 8
40 %i1 = alloca %struct.Inner, align 4
41 %1 = bitcast %struct.Outer* %outer to { i64, i64 }*
42 %2 = getelementptr { i64, i64 }, { i64, i64 }* %1, i32 0, i32 0
43 store i64 %outer.coerce0, i64* %2
44 %3 = getelementptr { i64, i64 }, { i64, i64 }* %1, i32 0, i32 1
45 store i64 %outer.coerce1, i64* %3
46 call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !24, metadata !2), !dbg !25
47 call void @llvm.dbg.declare(metadata %struct.Inner* %i1, metadata !26, metadata !2), !dbg !27
48 %4 = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i32 0, i32 0, !dbg !27
49 %5 = getelementptr inbounds [2 x %struct.Inner], [2 x %struct.Inner]* %4, i32 0, i64 1, !dbg !27
50 %6 = bitcast %struct.Inner* %i1 to i8*, !dbg !27
51 %7 = bitcast %struct.Inner* %5 to i8*, !dbg !27
52 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %6, i8* align 4 %7, i64 8, i1 false), !dbg !27
53 %8 = getelementptr inbounds %struct.Inner, %struct.Inner* %i1, i32 0, i32 0, !dbg !28
54 %9 = load i32, i32* %8, align 4, !dbg !28
58 ; Function Attrs: nounwind readnone
59 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
61 ; Function Attrs: nounwind
62 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2
64 attributes #0 = { nounwind ssp uwtable "no-frame-pointer-elim"="true" }
65 attributes #1 = { nounwind readnone }
66 attributes #2 = { nounwind }
69 !llvm.module.flags = !{!21, !22}
72 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !{}, retainedTypes: !{}, globals: !{}, imports: !{})
73 !1 = !DIFile(filename: "sroasplit-2.c", directory: "")
75 !4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !{})
76 !5 = !DIFile(filename: "sroasplit-2.c", directory: "")
77 !6 = !DISubroutineType(types: !7)
79 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
80 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10)
81 !10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 128, align: 32, file: !1, elements: !11)
83 !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 128, align: 32, file: !1, scope: !10, baseType: !13)
84 !13 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !14, elements: !19)
85 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15)
86 !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 64, align: 32, file: !1, elements: !16)
88 !17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8)
89 !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 32, align: 32, offset: 32, file: !1, scope: !15, baseType: !8)
91 !20 = !DISubrange(count: 2)
92 !21 = !{i32 2, !"Dwarf Version", i32 2}
93 !22 = !{i32 1, !"Debug Info Version", i32 3}
94 !23 = !{!"clang version 3.5.0 "}
95 !24 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
96 !25 = !DILocation(line: 10, scope: !4)
97 !26 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)
98 !27 = !DILocation(line: 11, scope: !4)
99 !28 = !DILocation(line: 12, scope: !4)