| ; RUN: opt -sroa < %s -S -o - | FileCheck %s |
| ; |
| ; Test that recursively splitting an alloca updates the debug info correctly. |
| ; CHECK: %[[T:.*]] = load i64, i64* @t, align 8 |
| ; CHECK: call void @llvm.dbg.value(metadata i64 %[[T]], metadata ![[Y:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)) |
| ; CHECK: %[[T1:.*]] = load i64, i64* @t, align 8 |
| ; CHECK: call void @llvm.dbg.value(metadata i64 %[[T1]], metadata ![[Y]], metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)) |
| ; CHECK: call void @llvm.dbg.value(metadata i64 %[[T]], metadata ![[R:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 192, 64)) |
| ; CHECK: call void @llvm.dbg.value(metadata i64 %[[T1]], metadata ![[R]], metadata !DIExpression(DW_OP_LLVM_fragment, 256, 64)) |
| ; |
| ; struct p { |
| ; __SIZE_TYPE__ s; |
| ; __SIZE_TYPE__ t; |
| ; }; |
| ; |
| ; struct r { |
| ; int i; |
| ; struct p x; |
| ; struct p y; |
| ; }; |
| ; |
| ; extern int call_me(struct r); |
| ; extern int maybe(); |
| ; extern __SIZE_TYPE__ t; |
| ; |
| ; int test() { |
| ; if (maybe()) |
| ; return 0; |
| ; struct p y = {t, t}; |
| ; struct r r = {.y = y}; |
| ; return call_me(r); |
| ; } |
| |
| ; ModuleID = 'pr22393.cc' |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |
| |
| %struct.p = type { i64, i64 } |
| %struct.r = type { i32, %struct.p, %struct.p } |
| |
| @t = external global i64 |
| |
| ; Function Attrs: nounwind |
| define i32 @_Z4testv() #0 !dbg !17 { |
| entry: |
| %retval = alloca i32, align 4 |
| %y = alloca %struct.p, align 8 |
| %r = alloca %struct.r, align 8 |
| %agg.tmp = alloca %struct.r, align 8 |
| %call = call i32 @_Z5maybev(), !dbg !24 |
| %tobool = icmp ne i32 %call, 0, !dbg !24 |
| br i1 %tobool, label %if.then, label %if.end, !dbg !26 |
| |
| if.then: ; preds = %entry |
| store i32 0, i32* %retval, !dbg !27 |
| br label %return, !dbg !27 |
| |
| if.end: ; preds = %entry |
| call void @llvm.dbg.declare(metadata %struct.p* %y, metadata !28, metadata !29), !dbg !30 |
| %s = getelementptr inbounds %struct.p, %struct.p* %y, i32 0, i32 0, !dbg !30 |
| %0 = load i64, i64* @t, align 8, !dbg !30 |
| store i64 %0, i64* %s, align 8, !dbg !30 |
| %t = getelementptr inbounds %struct.p, %struct.p* %y, i32 0, i32 1, !dbg !30 |
| %1 = load i64, i64* @t, align 8, !dbg !30 |
| store i64 %1, i64* %t, align 8, !dbg !30 |
| call void @llvm.dbg.declare(metadata %struct.r* %r, metadata !31, metadata !29), !dbg !32 |
| %i = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 0, !dbg !32 |
| store i32 0, i32* %i, align 4, !dbg !32 |
| %x = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 1, !dbg !32 |
| %s1 = getelementptr inbounds %struct.p, %struct.p* %x, i32 0, i32 0, !dbg !32 |
| store i64 0, i64* %s1, align 8, !dbg !32 |
| %t2 = getelementptr inbounds %struct.p, %struct.p* %x, i32 0, i32 1, !dbg !32 |
| store i64 0, i64* %t2, align 8, !dbg !32 |
| %y3 = getelementptr inbounds %struct.r, %struct.r* %r, i32 0, i32 2, !dbg !32 |
| %2 = bitcast %struct.p* %y3 to i8*, !dbg !32 |
| %3 = bitcast %struct.p* %y to i8*, !dbg !32 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %2, i8* align 8 %3, i64 16, i1 false), !dbg !32 |
| %4 = bitcast %struct.r* %agg.tmp to i8*, !dbg !33 |
| %5 = bitcast %struct.r* %r to i8*, !dbg !33 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %4, i8* align 8 %5, i64 40, i1 false), !dbg !33 |
| %call4 = call i32 @_Z7call_me1r(%struct.r* byval(%struct.r) align 8 %agg.tmp), !dbg !33 |
| store i32 %call4, i32* %retval, !dbg !33 |
| br label %return, !dbg !33 |
| |
| return: ; preds = %if.end, %if.then |
| %6 = load i32, i32* %retval, !dbg !34 |
| ret i32 %6, !dbg !34 |
| } |
| |
| declare i32 @_Z5maybev() |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #2 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #3 |
| |
| declare i32 @_Z7call_me1r(%struct.r* byval(%struct.r) align 8) |
| |
| attributes #0 = { nounwind } |
| attributes #2 = { nounwind readnone } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!21, !22} |
| !llvm.ident = !{!23} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "<stdin>", directory: "") |
| !2 = !{} |
| !3 = !{!4, !10} |
| !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "p", line: 3, size: 128, align: 64, file: !5, elements: !6, identifier: "_ZTS1p") |
| !5 = !DIFile(filename: "pr22393.cc", directory: "") |
| !6 = !{!7, !9} |
| !7 = !DIDerivedType(tag: DW_TAG_member, name: "s", line: 4, size: 64, align: 64, file: !5, scope: !4, baseType: !8) |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) |
| !9 = !DIDerivedType(tag: DW_TAG_member, name: "t", line: 5, size: 64, align: 64, offset: 64, file: !5, scope: !4, baseType: !8) |
| !10 = !DICompositeType(tag: DW_TAG_structure_type, name: "r", line: 8, size: 320, align: 64, file: !5, elements: !11, identifier: "_ZTS1r") |
| !11 = !{!12, !14, !15} |
| !12 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 9, size: 32, align: 32, file: !5, scope: !10, baseType: !13) |
| !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !14 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 10, size: 128, align: 64, offset: 64, file: !5, scope: !10, baseType: !4) |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 11, size: 128, align: 64, offset: 192, file: !5, scope: !10, baseType: !4) |
| !17 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 18, file: !5, scope: !18, type: !19, retainedNodes: !2) |
| !18 = !DIFile(filename: "pr22393.cc", directory: "") |
| !19 = !DISubroutineType(types: !20) |
| !20 = !{!13} |
| !21 = !{i32 2, !"Dwarf Version", i32 4} |
| !22 = !{i32 2, !"Debug Info Version", i32 3} |
| !23 = !{!"clang version 3.7.0 "} |
| !24 = !DILocation(line: 19, scope: !25) |
| !25 = distinct !DILexicalBlock(line: 19, column: 0, file: !5, scope: !17) |
| !26 = !DILocation(line: 19, scope: !17) |
| !27 = !DILocation(line: 20, scope: !25) |
| !28 = !DILocalVariable(name: "y", line: 21, scope: !17, file: !18, type: !4) |
| !29 = !DIExpression() |
| !30 = !DILocation(line: 21, scope: !17) |
| !31 = !DILocalVariable(name: "r", line: 22, scope: !17, file: !18, type: !10) |
| !32 = !DILocation(line: 22, scope: !17) |
| !33 = !DILocation(line: 23, scope: !17) |
| !34 = !DILocation(line: 24, scope: !17) |