| ; RUN: opt -passes=inline -S < %s | FileCheck %s |
| ; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s |
| ; struct A { |
| ; int arg0; |
| ; double arg1[2]; |
| ; } a, b; |
| ; |
| ; void fn3(A p1) { |
| ; if (p1.arg0) |
| ; a = p1; |
| ; } |
| ; |
| ; void fn4() { fn3(b); } |
| ; |
| ; void fn5() { |
| ; while (1) |
| ; fn4(); |
| ; } |
| ; ModuleID = 'test.cpp' |
| source_filename = "test/Transforms/Inline/alloca-dbgdeclare.ll" |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-apple-darwin" |
| |
| %struct.A = type { i32, [2 x double] } |
| |
| @a = global %struct.A zeroinitializer, align 8, !dbg !0 |
| @b = global %struct.A zeroinitializer, align 8, !dbg !12 |
| |
| ; Function Attrs: nounwind |
| declare void @_Z3fn31A(ptr nocapture readonly) #0 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #2 |
| |
| ; Function Attrs: nounwind |
| define void @_Z3fn4v() #0 !dbg !22 { |
| entry: |
| ; Test that the dbg.declare is moved together with the alloca. |
| ; CHECK: define void @_Z3fn5v() |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %agg.tmp.sroa.3.i = alloca [20 x i8], align 4 |
| ; CHECK-NEXT: br label %while.body |
| ; CHECK: while.body: |
| ; CHECK-NEXT: llvm.lifetime.start |
| ; CHECK-NEXT: call void @llvm.dbg.declare(metadata ptr %agg.tmp.sroa.3.i, |
| %agg.tmp.sroa.3 = alloca [20 x i8], align 4 |
| tail call void @llvm.dbg.declare(metadata ptr %agg.tmp.sroa.3, metadata !25, metadata !30), !dbg !31 |
| %agg.tmp.sroa.0.0.copyload = load i32, ptr @b, align 8, !dbg !33 |
| tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, metadata !25, metadata !34), !dbg !31 |
| call void @llvm.memcpy.p0.p0.i64(ptr align 4 %agg.tmp.sroa.3, ptr align 4 getelementptr (i8, ptr @b, i64 4), i64 20, i1 false), !dbg !33 |
| tail call void @llvm.dbg.declare(metadata ptr undef, metadata !25, metadata !35) #0, !dbg !31 |
| %tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !36 |
| br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !38 |
| |
| if.then.i: ; preds = %entry |
| store i32 %agg.tmp.sroa.0.0.copyload, ptr @a, align 8, !dbg !39 |
| call void @llvm.memcpy.p0.p0.i64(ptr align 4 getelementptr (i8, ptr @a, i64 4), ptr align 4 %agg.tmp.sroa.3, i64 20, i1 false), !dbg !39 |
| br label %_Z3fn31A.exit, !dbg !39 |
| |
| _Z3fn31A.exit: ; preds = %if.then.i, %entry |
| |
| ret void, !dbg !33 |
| } |
| |
| ; Function Attrs: noreturn nounwind |
| define void @_Z3fn5v() #3 !dbg !40 { |
| entry: |
| br label %while.body, !dbg !41 |
| |
| while.body: ; preds = %while.body, %entry |
| call void @_Z3fn4v(), !dbg !42 |
| br label %while.body, !dbg !41 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { argmemonly nounwind } |
| attributes #3 = { noreturn nounwind } |
| |
| !llvm.dbg.cu = !{!14} |
| !llvm.module.flags = !{!19, !20} |
| !llvm.ident = !{!21} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true) |
| !2 = !DIFile(filename: "test.cpp", directory: "") |
| !3 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !2, line: 1, size: 192, align: 64, elements: !4, identifier: "_ZTS1A") |
| !4 = !{!5, !7} |
| !5 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", scope: !3, file: !2, line: 2, baseType: !6, size: 32, align: 32) |
| !6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !7 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", scope: !3, file: !2, line: 3, baseType: !8, size: 128, align: 64, offset: 64) |
| !8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 128, align: 64, elements: !10) |
| !9 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float) |
| !10 = !{!11} |
| !11 = !DISubrange(count: 2) |
| !12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression()) |
| !13 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true) |
| !14 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !15, producer: "clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !16, retainedTypes: !17, globals: !18, imports: !16) |
| !15 = !DIFile(filename: "<stdin>", directory: "") |
| !16 = !{} |
| !17 = !{!3} |
| !18 = !{!0, !12} |
| !19 = !{i32 2, !"Dwarf Version", i32 4} |
| !20 = !{i32 2, !"Debug Info Version", i32 3} |
| !21 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"} |
| !22 = distinct !DISubprogram(name: "fn4", linkageName: "_Z3fn4v", scope: !2, file: !2, line: 11, type: !23, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, unit: !14, retainedNodes: !16) |
| !23 = !DISubroutineType(types: !24) |
| !24 = !{null} |
| !25 = !DILocalVariable(name: "p1", arg: 1, scope: !26, file: !2, line: 6, type: !3) |
| !26 = distinct !DISubprogram(name: "fn3", linkageName: "_Z3fn31A", scope: !2, file: !2, line: 6, type: !27, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !14, retainedNodes: !29) |
| !27 = !DISubroutineType(types: !28) |
| !28 = !{null, !3} |
| !29 = !{!25} |
| !30 = !DIExpression(DW_OP_LLVM_fragment, 32, 160) |
| !31 = !DILocation(line: 6, scope: !26, inlinedAt: !32) |
| !32 = distinct !DILocation(line: 11, scope: !22) |
| !33 = !DILocation(line: 11, scope: !22) |
| !34 = !DIExpression(DW_OP_LLVM_fragment, 0, 32) |
| !35 = !DIExpression(DW_OP_deref) |
| !36 = !DILocation(line: 7, scope: !37, inlinedAt: !32) |
| !37 = distinct !DILexicalBlock(scope: !26, file: !2, line: 7) |
| !38 = !DILocation(line: 7, scope: !26, inlinedAt: !32) |
| !39 = !DILocation(line: 8, scope: !37, inlinedAt: !32) |
| !40 = distinct !DISubprogram(name: "fn5", linkageName: "_Z3fn5v", scope: !2, file: !2, line: 13, type: !23, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: true, unit: !14, retainedNodes: !16) |
| !41 = !DILocation(line: 14, scope: !40) |
| !42 = !DILocation(line: 15, scope: !40) |
| |