forked from OSchip/llvm-project
132 lines
6.3 KiB
LLVM
132 lines
6.3 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
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; RUN: opt -passes='cgscc(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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source_filename = "test/Transforms/Inline/alloca-dbgdeclare.ll"
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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, !dbg !0
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@b = global %struct.A zeroinitializer, align 8, !dbg !12
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; Function Attrs: nounwind
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declare void @_Z3fn31A(%struct.A* nocapture readonly) #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: argmemonly nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #2
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; Function Attrs: nounwind
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define void @_Z3fn4v() #0 !dbg !22 {
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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 !25, metadata !30), !dbg !31
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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 !33
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tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, metadata !25, metadata !34), !dbg !31
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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 !33
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %agg.tmp.sroa.3.0..sroa_idx, i8* align 4 getelementptr (i8, i8* bitcast (%struct.A* @b to i8*), i64 4), i64 20, i1 false), !dbg !33
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tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !25, metadata !35) #0, !dbg !31
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%tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !36
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br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !38
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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 !39
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 getelementptr (i8, i8* bitcast (%struct.A* @a to i8*), i64 4), i8* align 4 %agg.tmp.sroa.3.0..sroa_idx, i64 20, i1 false), !dbg !39
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br label %_Z3fn31A.exit, !dbg !39
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_Z3fn31A.exit: ; preds = %if.then.i, %entry
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ret void, !dbg !33
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}
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; Function Attrs: noreturn nounwind
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define void @_Z3fn5v() #3 !dbg !40 {
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entry:
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br label %while.body, !dbg !41
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while.body: ; preds = %while.body, %entry
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call void @_Z3fn4v(), !dbg !42
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br label %while.body, !dbg !41
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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attributes #2 = { argmemonly nounwind }
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attributes #3 = { noreturn nounwind }
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!llvm.dbg.cu = !{!14}
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!llvm.module.flags = !{!19, !20}
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!llvm.ident = !{!21}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "a", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "test.cpp", directory: "")
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!3 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !2, line: 1, size: 192, align: 64, elements: !4, identifier: "_ZTS1A")
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!4 = !{!5, !7}
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!5 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", scope: !3, file: !2, line: 2, baseType: !6, size: 32, align: 32)
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!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", scope: !3, file: !2, line: 3, baseType: !8, size: 128, align: 64, offset: 64)
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!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 128, align: 64, elements: !10)
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!9 = !DIBasicType(name: "double", size: 64, align: 64, encoding: DW_ATE_float)
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!10 = !{!11}
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!11 = !DISubrange(count: 2)
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!12 = !DIGlobalVariableExpression(var: !13, expr: !DIExpression())
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!13 = !DIGlobalVariable(name: "b", scope: null, file: !2, line: 4, type: !3, isLocal: false, isDefinition: true)
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!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)
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!15 = !DIFile(filename: "<stdin>", directory: "")
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!16 = !{}
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!17 = !{!3}
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!18 = !{!0, !12}
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!19 = !{i32 2, !"Dwarf Version", i32 4}
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!20 = !{i32 2, !"Debug Info Version", i32 3}
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!21 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
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!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, variables: !16)
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!23 = !DISubroutineType(types: !24)
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!24 = !{null}
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!25 = !DILocalVariable(name: "p1", arg: 1, scope: !26, file: !2, line: 6, type: !3)
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!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, variables: !29)
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!27 = !DISubroutineType(types: !28)
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!28 = !{null, !3}
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!29 = !{!25}
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!30 = !DIExpression(DW_OP_LLVM_fragment, 32, 160)
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!31 = !DILocation(line: 6, scope: !26, inlinedAt: !32)
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!32 = distinct !DILocation(line: 11, scope: !22)
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!33 = !DILocation(line: 11, scope: !22)
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!34 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
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!35 = !DIExpression(DW_OP_deref)
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!36 = !DILocation(line: 7, scope: !37, inlinedAt: !32)
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!37 = distinct !DILexicalBlock(scope: !26, file: !2, line: 7)
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!38 = !DILocation(line: 7, scope: !26, inlinedAt: !32)
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!39 = !DILocation(line: 8, scope: !37, inlinedAt: !32)
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!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, variables: !16)
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!41 = !DILocation(line: 14, scope: !40)
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!42 = !DILocation(line: 15, scope: !40)
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