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1; RUN: opt -S -passes='sroa' -o - %s | FileCheck %s2 3; SROA should split the alloca in two new ones, each with its own dbg.declare.4; The original alloca and dbg.declare should be removed.5 6define void @f1() {7entry:8 %0 = alloca [9 x i32]9 call void @llvm.dbg.declare(metadata ptr %0, metadata !11, metadata !DIExpression()), !dbg !1710 call void @llvm.memset.p0.i64(ptr align 16 %0, i8 0, i64 36, i1 true)11 store volatile i32 1, ptr %012 ret void13}14 15; Function Attrs: nounwind readnone speculatable16declare void @llvm.dbg.declare(metadata, metadata, metadata) #117 18; Function Attrs: argmemonly nounwind19declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #020 21attributes #0 = { argmemonly nounwind }22attributes #1 = { nounwind readnone speculatable }23 24!llvm.dbg.cu = !{!0}25!llvm.module.flags = !{!3, !4, !5}26!llvm.ident = !{!6}27 28!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)29!1 = !DIFile(filename: "foo.c", directory: "/bar")30!2 = !{}31!3 = !{i32 2, !"Dwarf Version", i32 4}32!4 = !{i32 2, !"Debug Info Version", i32 3}33!5 = !{i32 1, !"wchar_size", i32 4}34!6 = !{!"clang version 6.0.0"}35!7 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !10)36!8 = !DISubroutineType(types: !9)37!9 = !{null}38!10 = !{!11}39!11 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 3, type: !12)40!12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 288, elements: !15)41!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !14)42!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)43!15 = !{!16}44!16 = !DISubrange(count: 9)45!17 = !DILocation(line: 3, column: 18, scope: !7)46 47; CHECK-NOT: = alloca [9 x i32]48; CHECK-NOT: #dbg_declare(ptr49 50; CHECK: %[[VAR1:.*]] = alloca i3251; CHECK-NEXT: %[[VAR2:.*]] = alloca [8 x i32]52; CHECK-NEXT: #dbg_declare(ptr %[[VAR1]]53; CHECK-NEXT: #dbg_declare(ptr %[[VAR2]]54 55; CHECK-NOT: = alloca [9 x i32]56; CHECK-NOT: #dbg_declare(ptr57 58