| ; RUN: opt -S -passes='sroa' -o - %s | FileCheck %s |
| |
| ; SROA should split the alloca in two new ones, each with its own dbg.declare. |
| ; The original alloca and dbg.declare should be removed. |
| |
| define void @f1() { |
| entry: |
| %0 = alloca [9 x i32] |
| call void @llvm.dbg.declare(metadata ptr %0, metadata !11, metadata !DIExpression()), !dbg !17 |
| call void @llvm.memset.p0.i64(ptr align 16 %0, i8 0, i64 36, i1 true) |
| store volatile i32 1, ptr %0 |
| ret void |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1) #0 |
| |
| attributes #0 = { argmemonly nounwind } |
| attributes #1 = { nounwind readnone speculatable } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "foo.c", directory: "/bar") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 6.0.0"} |
| !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) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{null} |
| !10 = !{!11} |
| !11 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 3, type: !12) |
| !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 288, elements: !15) |
| !13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !14) |
| !14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !15 = !{!16} |
| !16 = !DISubrange(count: 9) |
| !17 = !DILocation(line: 3, column: 18, scope: !7) |
| |
| ; CHECK-NOT: = alloca [9 x i32] |
| ; CHECK-NOT: call void @llvm.dbg.declare(metadata ptr |
| |
| ; CHECK: %[[VAR1:.*]] = alloca i32 |
| ; CHECK-NEXT: %[[VAR2:.*]] = alloca [8 x i32] |
| ; CHECK-NEXT: call void @llvm.dbg.declare(metadata ptr %[[VAR1]] |
| ; CHECK-NEXT: call void @llvm.dbg.declare(metadata ptr %[[VAR2]] |
| |
| ; CHECK-NOT: = alloca [9 x i32] |
| ; CHECK-NOT: call void @llvm.dbg.declare(metadata ptr |
| |