mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-21 02:29:22 +00:00
b056aa798d
Move the specialized metadata nodes for the new debug info hierarchy
into place, finishing off PR22464. I've done bootstraps (and all that)
and I'm confident this commit is NFC as far as DWARF output is
concerned. Let me know if I'm wrong :).
The code changes are fairly mechanical:
- Bumped the "Debug Info Version".
- `DIBuilder` now creates the appropriate subclass of `MDNode`.
- Subclasses of DIDescriptor now expect to hold their "MD"
counterparts (e.g., `DIBasicType` expects `MDBasicType`).
- Deleted a ton of dead code in `AsmWriter.cpp` and `DebugInfo.cpp`
for printing comments.
- Big update to LangRef to describe the nodes in the new hierarchy.
Feel free to make it better.
Testcase changes are enormous. There's an accompanying clang commit on
its way.
If you have out-of-tree debug info testcases, I just broke your build.
- `upgrade-specialized-nodes.sh` is attached to PR22564. I used it to
update all the IR testcases.
- Unfortunately I failed to find way to script the updates to CHECK
lines, so I updated all of these by hand. This was fairly painful,
since the old CHECKs are difficult to reason about. That's one of
the benefits of the new hierarchy.
This work isn't quite finished, BTW. The `DIDescriptor` subclasses are
almost empty wrappers, but not quite: they still have loose casting
checks (see the `RETURN_FROM_RAW()` macro). Once they're completely
gutted, I'll rename the "MD" classes to "DI" and kill the wrappers. I
also expect to make a few schema changes now that it's easier to reason
about everything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231082 91177308-0d34-0410-b5e6-96231b3b80d8
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 {
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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 {
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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 {
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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 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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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 = !MDCompileUnit(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 = !MDFile(filename: "<stdin>", directory: "")
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!2 = !{}
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!3 = !{!4, !12, !14}
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!4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "A", line: 2, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A")
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!5 = !MDFile(filename: "test.cpp", directory: "")
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!6 = !{!7, !9, !11}
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!7 = !MDDerivedType(tag: DW_TAG_member, name: "x4", line: 3, size: 8, align: 8, file: !5, scope: !"_ZTS1A", baseType: !8)
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!8 = !MDBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
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!9 = !MDDerivedType(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 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
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!11 = !MDDerivedType(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 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !13)
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!13 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!14 = !MDCompositeType(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 = !MDSubprogram(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 = !MDSubroutineType(types: !18)
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!18 = !{null, !19, !20}
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!19 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B")
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!20 = !MDBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!21 = !MDSubprogram(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 = !MDSubroutineType(types: !23)
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!23 = !{null, !19}
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!24 = !{!25, !31, !34}
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!25 = !MDSubprogram(name: "f13", linkageName: "_Z3f131A", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !26, type: !27, function: void (%struct.A*)* @_Z3f131A, variables: !29)
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!26 = !MDFile(filename: "test.cpp", directory: "")
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!27 = !MDSubroutineType(types: !28)
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!28 = !{null, !"_ZTS1A"}
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!29 = !{!30}
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!30 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 13, arg: 1, scope: !25, file: !26, type: !"_ZTS1A")
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!31 = !MDSubprogram(name: "f11", linkageName: "_Z3f111A", line: 17, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 17, file: !5, scope: !26, type: !27, function: void (%struct.A*)* @_Z3f111A, variables: !32)
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!32 = !{!33}
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!33 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
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!34 = !MDSubprogram(name: "f16", linkageName: "_Z3f16v", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 18, file: !5, scope: !26, type: !35, function: void ()* @_Z3f16v, variables: !37)
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!35 = !MDSubroutineType(types: !36)
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!36 = !{null}
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!37 = !{!38, !39}
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!38 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "c", line: 19, scope: !34, file: !26, type: !"_ZTS1A")
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!39 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "d", line: 20, scope: !34, file: !26, type: !"_ZTS1B")
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!40 = !{!41, !42}
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!41 = !MDGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20, variable: i64* @a)
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!42 = !MDGlobalVariable(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 = !MDExpression(DW_OP_deref)
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!47 = !MDLocation(line: 13, column: 12, scope: !25)
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!48 = !MDLocation(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 = !MDLocation(line: 14, column: 14, scope: !25)
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!54 = !MDLocation(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 = !MDLocation(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 = !MDLocation(line: 15, column: 3, scope: !25)
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!62 = !MDLocation(line: 16, column: 1, scope: !25)
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!63 = !MDLocation(line: 17, column: 12, scope: !31)
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!64 = !MDLocation(line: 17, column: 22, scope: !31)
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!65 = !MDLocation(line: 13, column: 12, scope: !25, inlinedAt: !66)
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!66 = distinct !MDLocation(line: 17, column: 18, scope: !31)
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!67 = !MDLocation(line: 14, column: 37, scope: !25, inlinedAt: !66)
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!68 = !MDLocation(line: 14, column: 14, scope: !25, inlinedAt: !66)
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!69 = !MDLocation(line: 14, column: 5, scope: !25, inlinedAt: !66)
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!70 = !MDLocation(line: 15, column: 6, scope: !25, inlinedAt: !66)
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!71 = !MDLocation(line: 15, column: 3, scope: !25, inlinedAt: !66)
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!72 = !MDLocation(line: 16, column: 1, scope: !25, inlinedAt: !66)
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!73 = !MDLocation(line: 17, column: 27, scope: !31)
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!74 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A", inlinedAt: !75)
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!75 = distinct !MDLocation(line: 22, column: 3, scope: !34)
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!76 = !MDExpression(DW_OP_bit_piece, 8, 120)
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!77 = !MDLocation(line: 17, column: 12, scope: !31, inlinedAt: !75)
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!78 = !MDExpression(DW_OP_bit_piece, 136, 56)
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!79 = !MDExpression()
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!80 = !MDLocation(line: 19, column: 5, scope: !34)
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!81 = !MDLocation(line: 20, column: 7, scope: !34)
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!82 = !MDLocation(line: 20, column: 5, scope: !34)
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!83 = !MDExpression(DW_OP_bit_piece, 0, 8)
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!84 = !MDExpression(DW_OP_bit_piece, 128, 8)
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!85 = !MDLocation(line: 13, column: 12, scope: !25, inlinedAt: !86)
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!86 = distinct !MDLocation(line: 17, column: 18, scope: !31, inlinedAt: !75)
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!87 = !MDLocation(line: 14, column: 37, scope: !25, inlinedAt: !86)
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!88 = !MDLocation(line: 14, column: 14, scope: !25, inlinedAt: !86)
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!89 = !MDLocation(line: 22, column: 7, scope: !34)
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!90 = !MDLocation(line: 14, column: 5, scope: !25, inlinedAt: !86)
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!91 = !MDLocation(line: 15, column: 6, scope: !25, inlinedAt: !86)
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!92 = !MDLocation(line: 15, column: 3, scope: !25, inlinedAt: !86)
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!93 = !MDLocation(line: 16, column: 1, scope: !25, inlinedAt: !86)
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!94 = !MDLocation(line: 23, column: 1, scope: !34)
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