forked from OSchip/llvm-project
258 lines
13 KiB
LLVM
258 lines
13 KiB
LLVM
; RUN: llc -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
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; Test that a variable with multiple entries in the MMI table makes it into the
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; debug info.
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;
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK: "_Z3f111A"
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; CHECK: DW_TAG_formal_parameter
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; CHECK: DW_AT_location [DW_FORM_block1] (<0x0b> 91 51 9d 78 08 91 4a 9d 38 88 01 )
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; -- fbreg -47, bit-piece 120 8 , fbreg -54, bit-piece 56 136 ------^
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; CHECK: DW_AT_abstract_origin {{.*}} "p1"
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;
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; long a;
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; struct A {
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; bool x4;
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; void *x5;
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; bool x6;
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; };
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; int *b;
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; struct B {
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; B(long);
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; ~B();
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; };
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; void f9(A);
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; void f13(A p1) {
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; b = (int *)__builtin_operator_new(a);
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; f9(p1);
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; }
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; void f11(A p1) { f13(p1); }
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; void f16() {
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; A c;
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; B d(a);
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; c.x6 = c.x4 = true;
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; f11(c);
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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-ios"
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%struct.A = type { i8, i8*, i8 }
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%struct.B = type { i8 }
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@a = global i64 0, align 8
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@b = global i32* null, align 8
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define void @_Z3f131A(%struct.A* nocapture readonly %p1) #0 !dbg !25 {
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entry:
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%agg.tmp = alloca %struct.A, align 8
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tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !30, metadata !46), !dbg !47
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%0 = load i64, i64* @a, align 8, !dbg !48, !tbaa !49
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%call = tail call noalias i8* @_Znwm(i64 %0) #5, !dbg !53
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store i8* %call, i8** bitcast (i32** @b to i8**), align 8, !dbg !54, !tbaa !55
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%1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp, i64 0, i32 0, !dbg !57
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%2 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !57
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 24, i32 8, i1 false), !dbg !57, !tbaa.struct !58
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call void @_Z2f91A(%struct.A* %agg.tmp), !dbg !61
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ret void, !dbg !62
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}
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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: nobuiltin
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declare noalias i8* @_Znwm(i64) #2
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declare void @_Z2f91A(%struct.A*) #0
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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) #3
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define void @_Z3f111A(%struct.A* nocapture readonly %p1) #0 !dbg !31 {
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entry:
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%agg.tmp.i = alloca %struct.A, align 8
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tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !33, metadata !46), !dbg !63
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%0 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !64
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%1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i, i64 0, i32 0, !dbg !65
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call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !65
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%2 = load i64, i64* @a, align 8, !dbg !67, !tbaa !49
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%call.i = tail call noalias i8* @_Znwm(i64 %2) #5, !dbg !68
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store i8* %call.i, i8** bitcast (i32** @b to i8**), align 8, !dbg !69, !tbaa !55
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %0, i64 24, i32 8, i1 false), !dbg !70
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call void @_Z2f91A(%struct.A* %agg.tmp.i), !dbg !71
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call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !72
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ret void, !dbg !73
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}
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define void @_Z3f16v() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !34 {
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entry:
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%agg.tmp.i.i = alloca %struct.A, align 8
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%d = alloca %struct.B, align 1
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%agg.tmp.sroa.2 = alloca [15 x i8], align 1
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%agg.tmp.sroa.4 = alloca [7 x i8], align 1
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tail call void @llvm.dbg.declare(metadata [15 x i8]* %agg.tmp.sroa.2, metadata !74, metadata !76), !dbg !77
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tail call void @llvm.dbg.declare(metadata [7 x i8]* %agg.tmp.sroa.4, metadata !74, metadata !78), !dbg !77
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tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !38, metadata !79), !dbg !80
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%0 = load i64, i64* @a, align 8, !dbg !81, !tbaa !49
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tail call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
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%call = call %struct.B* @_ZN1BC1El(%struct.B* %d, i64 %0), !dbg !82
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call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !83), !dbg !80
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call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !84), !dbg !80
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call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !83), !dbg !77
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call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !84), !dbg !77
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call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !74, metadata !46), !dbg !77
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%1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 0, !dbg !85
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call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !85
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%2 = load i64, i64* @a, align 8, !dbg !87, !tbaa !49
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%call.i.i5 = invoke noalias i8* @_Znwm(i64 %2) #5
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to label %call.i.i.noexc unwind label %lpad, !dbg !88
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call.i.i.noexc: ; preds = %entry
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%agg.tmp.sroa.4.17..sroa_idx = getelementptr inbounds [7 x i8], [7 x i8]* %agg.tmp.sroa.4, i64 0, i64 0, !dbg !89
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%agg.tmp.sroa.2.1..sroa_idx = getelementptr inbounds [15 x i8], [15 x i8]* %agg.tmp.sroa.2, i64 0, i64 0, !dbg !89
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store i8* %call.i.i5, i8** bitcast (i32** @b to i8**), align 8, !dbg !90, !tbaa !55
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store i8 1, i8* %1, align 8, !dbg !91
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%agg.tmp.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 1, !dbg !91
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.2.0..sroa_raw_idx, i8* %agg.tmp.sroa.2.1..sroa_idx, i64 15, i32 1, i1 false), !dbg !91
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%agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 2, !dbg !91
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store i8 1, i8* %agg.tmp.sroa.3.0..sroa_idx, align 8, !dbg !91
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%agg.tmp.sroa.4.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 17, !dbg !91
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.4.0..sroa_raw_idx, i8* %agg.tmp.sroa.4.17..sroa_idx, i64 7, i32 1, i1 false), !dbg !91
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invoke void @_Z2f91A(%struct.A* %agg.tmp.i.i)
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to label %invoke.cont unwind label %lpad, !dbg !92
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invoke.cont: ; preds = %call.i.i.noexc
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call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !93
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call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
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%call1 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94
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ret void, !dbg !94
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lpad: ; preds = %call.i.i.noexc, %entry
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%3 = landingpad { i8*, i32 }
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cleanup, !dbg !94
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call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
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%call2 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94
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resume { i8*, i32 } %3, !dbg !94
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}
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declare %struct.B* @_ZN1BC1El(%struct.B*, i64)
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declare i32 @__gxx_personality_v0(...)
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; Function Attrs: nounwind
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declare %struct.B* @_ZN1BD1Ev(%struct.B*) #4
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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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; Function Attrs: nounwind
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declare void @llvm.lifetime.start(i64, i8* nocapture) #3
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #3
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attributes #1 = { nounwind readnone }
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attributes #2 = { nobuiltin }
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attributes #3 = { nounwind }
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attributes #4 = { nounwind }
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attributes #5 = { builtin }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!43, !44}
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!llvm.ident = !{!45}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !24, globals: !40, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "")
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!2 = !{}
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!3 = !{!4, !12, !14}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 2, 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, !11}
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!7 = !DIDerivedType(tag: DW_TAG_member, name: "x4", line: 3, size: 8, align: 8, file: !5, scope: !"_ZTS1A", baseType: !8)
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "x5", line: 4, size: 64, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10)
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
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!11 = !DIDerivedType(tag: DW_TAG_member, name: "x6", line: 5, size: 8, align: 8, offset: 128, file: !5, scope: !"_ZTS1A", baseType: !8)
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !13)
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!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 8, size: 8, align: 8, file: !5, elements: !15, identifier: "_ZTS1B")
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!15 = !{!16, !21}
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!16 = !DISubprogram(name: "B", line: 9, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 9, file: !5, scope: !"_ZTS1B", type: !17)
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!17 = !DISubroutineType(types: !18)
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!18 = !{null, !19, !20}
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!19 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B")
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!20 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!21 = !DISubprogram(name: "~B", line: 10, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 10, file: !5, scope: !"_ZTS1B", type: !22)
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!22 = !DISubroutineType(types: !23)
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!23 = !{null, !19}
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!24 = !{!25, !31, !34}
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!25 = distinct !DISubprogram(name: "f13", linkageName: "_Z3f131A", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !26, type: !27, variables: !29)
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!26 = !DIFile(filename: "test.cpp", directory: "")
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!27 = !DISubroutineType(types: !28)
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!28 = !{null, !"_ZTS1A"}
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!29 = !{!30}
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!30 = !DILocalVariable(name: "p1", line: 13, arg: 1, scope: !25, file: !26, type: !"_ZTS1A")
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!31 = distinct !DISubprogram(name: "f11", linkageName: "_Z3f111A", line: 17, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 17, file: !5, scope: !26, type: !27, variables: !32)
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!32 = !{!33}
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!33 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
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!34 = distinct !DISubprogram(name: "f16", linkageName: "_Z3f16v", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 18, file: !5, scope: !26, type: !35, variables: !37)
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!35 = !DISubroutineType(types: !36)
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!36 = !{null}
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!37 = !{!38, !39}
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!38 = !DILocalVariable(name: "c", line: 19, scope: !34, file: !26, type: !"_ZTS1A")
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!39 = !DILocalVariable(name: "d", line: 20, scope: !34, file: !26, type: !"_ZTS1B")
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!40 = !{!41, !42}
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!41 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20, variable: i64* @a)
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!42 = !DIGlobalVariable(name: "b", line: 7, isLocal: false, isDefinition: true, scope: null, file: !26, type: !12, variable: i32** @b)
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!43 = !{i32 2, !"Dwarf Version", i32 2}
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!44 = !{i32 2, !"Debug Info Version", i32 3}
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!45 = !{!"clang version 3.7.0 "}
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!46 = !DIExpression(DW_OP_deref)
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!47 = !DILocation(line: 13, column: 12, scope: !25)
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!48 = !DILocation(line: 14, column: 37, scope: !25)
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!49 = !{!50, !50, i64 0}
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!50 = !{!"long", !51, i64 0}
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!51 = !{!"omnipotent char", !52, i64 0}
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!52 = !{!"Simple C/C++ TBAA"}
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!53 = !DILocation(line: 14, column: 14, scope: !25)
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!54 = !DILocation(line: 14, column: 5, scope: !25)
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!55 = !{!56, !56, i64 0}
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!56 = !{!"any pointer", !51, i64 0}
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!57 = !DILocation(line: 15, column: 6, scope: !25)
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!58 = !{i64 0, i64 1, !59, i64 8, i64 8, !55, i64 16, i64 1, !59}
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!59 = !{!60, !60, i64 0}
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!60 = !{!"bool", !51, i64 0}
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!61 = !DILocation(line: 15, column: 3, scope: !25)
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!62 = !DILocation(line: 16, column: 1, scope: !25)
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!63 = !DILocation(line: 17, column: 12, scope: !31)
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!64 = !DILocation(line: 17, column: 22, scope: !31)
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!65 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !66)
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!66 = distinct !DILocation(line: 17, column: 18, scope: !31)
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!67 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !66)
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!68 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !66)
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!69 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !66)
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!70 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !66)
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!71 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !66)
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!72 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !66)
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!73 = !DILocation(line: 17, column: 27, scope: !31)
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!74 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
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!75 = distinct !DILocation(line: 22, column: 3, scope: !34)
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!76 = !DIExpression(DW_OP_bit_piece, 8, 120)
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!77 = !DILocation(line: 17, column: 12, scope: !31, inlinedAt: !75)
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!78 = !DIExpression(DW_OP_bit_piece, 136, 56)
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!79 = !DIExpression(DW_OP_deref)
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!80 = !DILocation(line: 19, column: 5, scope: !34)
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!81 = !DILocation(line: 20, column: 7, scope: !34)
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!82 = !DILocation(line: 20, column: 5, scope: !34)
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!83 = !DIExpression(DW_OP_bit_piece, 0, 8)
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!84 = !DIExpression(DW_OP_bit_piece, 128, 8)
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!85 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !86)
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!86 = distinct !DILocation(line: 17, column: 18, scope: !31, inlinedAt: !75)
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!87 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !86)
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!88 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !86)
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!89 = !DILocation(line: 22, column: 7, scope: !34)
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!90 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !86)
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!91 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !86)
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!92 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !86)
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!93 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !86)
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!94 = !DILocation(line: 23, column: 1, scope: !34)
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