forked from OSchip/llvm-project
142 lines
6.7 KiB
LLVM
142 lines
6.7 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
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; struct A {
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; int arg0;
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; double arg1[2];
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; } a, b;
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;
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; void fn3(A p1) {
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; if (p1.arg0)
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; a = p1;
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; }
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;
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; void fn4() { fn3(b); }
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;
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; void fn5() {
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; while (1)
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; fn4();
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; }
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; ModuleID = 'test.cpp'
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-apple-darwin"
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%struct.A = type { i32, [2 x double] }
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@a = global %struct.A zeroinitializer, align 8
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@b = global %struct.A zeroinitializer, align 8
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; Function Attrs: nounwind
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declare void @_Z3fn31A(%struct.A* nocapture readonly %p1) #0
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
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; Function Attrs: nounwind
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define void @_Z3fn4v() #0 {
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entry:
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; Test that the dbg.declare is moved together with the alloca.
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; CHECK: define void @_Z3fn5v()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %agg.tmp.sroa.3.i = alloca [20 x i8], align 4
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; CHECK-NEXT: call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3.i,
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%agg.tmp.sroa.3 = alloca [20 x i8], align 4
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tail call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3, metadata !46, metadata !48), !dbg !49
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%agg.tmp.sroa.0.0.copyload = load i32, i32* getelementptr inbounds (%struct.A, %struct.A* @b, i64 0, i32 0), align 8, !dbg !50
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tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, i64 0, metadata !46, metadata !51), !dbg !49
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%agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds [20 x i8], [20 x i8]* %agg.tmp.sroa.3, i64 0, i64 0, !dbg !50
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.3.0..sroa_idx, i8* getelementptr (i8, i8* bitcast (%struct.A* @b to i8*), i64 4), i64 20, i32 4, i1 false), !dbg !50
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tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !46, metadata !31) #2, !dbg !49
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%tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !52
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br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !53
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if.then.i: ; preds = %entry
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store i32 %agg.tmp.sroa.0.0.copyload, i32* getelementptr inbounds (%struct.A, %struct.A* @a, i64 0, i32 0), align 8, !dbg !54
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr (i8, i8* bitcast (%struct.A* @a to i8*), i64 4), i8* %agg.tmp.sroa.3.0..sroa_idx, i64 20, i32 4, i1 false), !dbg !54
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br label %_Z3fn31A.exit, !dbg !54
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_Z3fn31A.exit: ; preds = %entry, %if.then.i
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ret void, !dbg !50
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}
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; Function Attrs: noreturn nounwind
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define void @_Z3fn5v() #3 {
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entry:
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br label %while.body, !dbg !55
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while.body: ; preds = %entry, %while.body
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call void @_Z3fn4v(), !dbg !56
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br label %while.body, !dbg !55
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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attributes #3 = { noreturn nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!28, !29}
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!llvm.ident = !{!30}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !25, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A")
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!5 = !DIFile(filename: "test.cpp", directory: "")
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!6 = !{!7, !9}
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!7 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", line: 2, size: 32, align: 32, file: !5, scope: !"_ZTS1A", baseType: !8)
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", line: 3, size: 128, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10)
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!10 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 64, baseType: !11, elements: !12)
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!11 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
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!12 = !{!13}
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!13 = !DISubrange(count: 2)
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!14 = !{!15, !21, !24}
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!15 = !DISubprogram(name: "fn3", linkageName: "_Z3fn31A", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !16, type: !17, function: void (%struct.A*)* @_Z3fn31A, variables: !19)
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!16 = !DIFile(filename: "test.cpp", directory: "")
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!17 = !DISubroutineType(types: !18)
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!18 = !{null, !"_ZTS1A"}
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!19 = !{!20}
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!20 = !DILocalVariable(name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A")
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!21 = !DISubprogram(name: "fn4", linkageName: "_Z3fn4v", line: 11, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn4v, variables: !2)
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!22 = !DISubroutineType(types: !23)
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!23 = !{null}
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!24 = !DISubprogram(name: "fn5", linkageName: "_Z3fn5v", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn5v, variables: !2)
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!25 = !{!26, !27}
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!26 = !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @a)
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!27 = !DIGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @b)
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!28 = !{i32 2, !"Dwarf Version", i32 4}
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!29 = !{i32 2, !"Debug Info Version", i32 3}
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!30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
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!31 = !DIExpression(DW_OP_deref)
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!32 = !DILocation(line: 6, scope: !15)
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!33 = !DILocation(line: 7, scope: !34)
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!34 = distinct !DILexicalBlock(line: 7, column: 0, file: !5, scope: !15)
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!35 = !{!36, !37, i64 0}
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!36 = !{!"_ZTS1A", !37, i64 0, !38, i64 8}
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!37 = !{!"int", !38, i64 0}
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!38 = !{!"omnipotent char", !39, i64 0}
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!39 = !{!"Simple C/C++ TBAA"}
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!40 = !DILocation(line: 7, scope: !15)
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!41 = !DILocation(line: 8, scope: !34)
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!42 = !{i64 0, i64 4, !43, i64 8, i64 16, !44}
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!43 = !{!37, !37, i64 0}
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!44 = !{!38, !38, i64 0}
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!45 = !DILocation(line: 9, scope: !15)
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!46 = !DILocalVariable(name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A")
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!47 = distinct !DILocation(line: 11, scope: !21)
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!48 = !DIExpression(DW_OP_bit_piece, 32, 160)
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!49 = !DILocation(line: 6, scope: !15, inlinedAt: !47)
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!50 = !DILocation(line: 11, scope: !21)
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!51 = !DIExpression(DW_OP_bit_piece, 0, 32)
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!52 = !DILocation(line: 7, scope: !34, inlinedAt: !47)
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!53 = !DILocation(line: 7, scope: !15, inlinedAt: !47)
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!54 = !DILocation(line: 8, scope: !34, inlinedAt: !47)
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!55 = !DILocation(line: 14, scope: !24)
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!56 = !DILocation(line: 15, scope: !24)
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