246 lines
16 KiB
LLVM
246 lines
16 KiB
LLVM
; RUN: opt -passes=sroa -S %s -o - | FileCheck %s
|
|
; RUN: opt --try-experimental-debuginfo-iterators -passes=sroa -S %s -o - | FileCheck %s
|
|
|
|
;; $ cat test.cpp
|
|
;; class a {
|
|
;; public:
|
|
;; float b[4];
|
|
;; void c();
|
|
;; };
|
|
;; class B {
|
|
;; public:
|
|
;; B(a d) : e(d) {}
|
|
;; a &f() { return e; }
|
|
;; B operator*(const B &)const;
|
|
;; int g;
|
|
;; a e;
|
|
;; };
|
|
;; B B::operator*(const B &)const { return e; }
|
|
;; class h {
|
|
;; public:
|
|
;; B i();
|
|
;; };
|
|
;; void j() {
|
|
;; h convexbody, k;
|
|
;; B l = k.i(), m = convexbody.i(), n = l * m;
|
|
;; a o = n.f(); // Looking at this store, o[0, 128] <- n[32, 160].
|
|
;; o.c();
|
|
;; }
|
|
;; Generated by grabbing IR before sroa in:
|
|
;; $ clang++ -O2 -g -c test.cpp -Xclang -fexperimental-assignment-tracking
|
|
|
|
;; Check that the store 4xfloat split into 2x store 2xfloat has correct debug
|
|
;; info when the source (n, 160 bits of int+5*float) is split beforehand (see
|
|
;; comment in test.cpp above). Ensure that only the value-expression gets
|
|
;; fragment info; that the address-expression remains untouched.
|
|
|
|
;; Check nearby instructions to make sure we're looking in the right place.
|
|
; CHECK: define dso_local void @_Z1jv()
|
|
; CHECK: call void @_ZN1h1iEv(ptr nonnull sret(%class.B) align 4 %m,
|
|
|
|
; CHECK: store <2 x float> %agg.tmp.sroa.0.0.copyload.i, ptr %4, align 4,{{.+}}!DIAssignID ![[id1:[0-9]+]]
|
|
; CHECK: store <2 x float> %agg.tmp.sroa.2.0.copyload.i, ptr %n.sroa.2.4..sroa_idx, align 4,{{.+}}!DIAssignID ![[id2:[0-9]+]]
|
|
; CHECK-NEXT: call void @llvm.dbg.assign(metadata <2 x float> %agg.tmp.sroa.0.0.copyload.i, metadata ![[var:[0-9]+]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata ![[id1]], metadata ptr %4, metadata !DIExpression()), !dbg
|
|
; CHECK-NEXT: call void @llvm.dbg.assign(metadata <2 x float> %agg.tmp.sroa.2.0.copyload.i, metadata ![[var]], metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata ![[id2]], metadata ptr %n.sroa.2.4..sroa_idx, metadata !DIExpression()), !dbg
|
|
|
|
; CHECK: ret
|
|
|
|
%class.B = type { i32, %class.a }
|
|
%class.a = type { [4 x float] }
|
|
%class.h = type { i8 }
|
|
|
|
$_ZN1BC2E1a = comdat any
|
|
|
|
$_ZN1B1fEv = comdat any
|
|
|
|
; Function Attrs: nofree norecurse nounwind uwtable
|
|
define dso_local void @_ZNK1BmlERKS_(ptr noalias nocapture sret(%class.B) align 4 %agg.result, ptr nocapture readonly %this, ptr nocapture nonnull readnone align 4 dereferenceable(20) %0) local_unnamed_addr #0 align 2 !dbg !7 {
|
|
entry:
|
|
%agg.tmp.sroa.0.0..sroa_idx = getelementptr inbounds %class.B, ptr %this, i64 0, i32 1, !dbg !42
|
|
%agg.tmp.sroa.0.0..sroa_cast = bitcast ptr %agg.tmp.sroa.0.0..sroa_idx to ptr, !dbg !42
|
|
%agg.tmp.sroa.0.0.copyload = load <2 x float>, ptr %agg.tmp.sroa.0.0..sroa_cast, align 4, !dbg !42
|
|
%agg.tmp.sroa.2.0..sroa_idx2 = getelementptr inbounds %class.B, ptr %this, i64 0, i32 1, i32 0, i64 2, !dbg !42
|
|
%agg.tmp.sroa.2.0..sroa_cast = bitcast ptr %agg.tmp.sroa.2.0..sroa_idx2 to ptr, !dbg !42
|
|
%agg.tmp.sroa.2.0.copyload = load <2 x float>, ptr %agg.tmp.sroa.2.0..sroa_cast, align 4, !dbg !42
|
|
%d.sroa.0.0..sroa_idx.i = getelementptr inbounds %class.B, ptr %agg.result, i64 0, i32 1, !dbg !47
|
|
%d.sroa.0.0..sroa_cast.i = bitcast ptr %d.sroa.0.0..sroa_idx.i to ptr, !dbg !47
|
|
store <2 x float> %agg.tmp.sroa.0.0.copyload, ptr %d.sroa.0.0..sroa_cast.i, align 4, !dbg !47
|
|
%d.sroa.2.0..sroa_idx2.i = getelementptr inbounds %class.B, ptr %agg.result, i64 0, i32 1, i32 0, i64 2, !dbg !47
|
|
%d.sroa.2.0..sroa_cast.i = bitcast ptr %d.sroa.2.0..sroa_idx2.i to ptr, !dbg !47
|
|
store <2 x float> %agg.tmp.sroa.2.0.copyload, ptr %d.sroa.2.0..sroa_cast.i, align 4, !dbg !47
|
|
ret void, !dbg !54
|
|
}
|
|
|
|
; Function Attrs: argmemonly nofree nosync nounwind willreturn
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define linkonce_odr dso_local void @_ZN1BC2E1a(ptr %this, <2 x float> %d.coerce0, <2 x float> %d.coerce1) unnamed_addr #2 comdat align 2 !dbg !48 {
|
|
entry:
|
|
%d.sroa.0.0..sroa_idx = getelementptr inbounds %class.B, ptr %this, i64 0, i32 1, !dbg !55
|
|
%d.sroa.0.0..sroa_cast = bitcast ptr %d.sroa.0.0..sroa_idx to ptr, !dbg !55
|
|
store <2 x float> %d.coerce0, ptr %d.sroa.0.0..sroa_cast, align 4, !dbg !55
|
|
%d.sroa.2.0..sroa_idx2 = getelementptr inbounds %class.B, ptr %this, i64 0, i32 1, i32 0, i64 2, !dbg !55
|
|
%d.sroa.2.0..sroa_cast = bitcast ptr %d.sroa.2.0..sroa_idx2 to ptr, !dbg !55
|
|
store <2 x float> %d.coerce1, ptr %d.sroa.2.0..sroa_cast, align 4, !dbg !55
|
|
ret void, !dbg !56
|
|
}
|
|
|
|
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
|
|
declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) #3
|
|
|
|
; Function Attrs: uwtable
|
|
define dso_local void @_Z1jv() local_unnamed_addr #4 !dbg !57 {
|
|
entry:
|
|
%convexbody = alloca %class.h, align 1, !DIAssignID !73
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !61, metadata !DIExpression(), metadata !73, metadata ptr %convexbody, metadata !DIExpression()), !dbg !74
|
|
%k = alloca %class.h, align 1, !DIAssignID !75
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !68, metadata !DIExpression(), metadata !75, metadata ptr %k, metadata !DIExpression()), !dbg !74
|
|
%l = alloca %class.B, align 4, !DIAssignID !76
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !69, metadata !DIExpression(), metadata !76, metadata ptr %l, metadata !DIExpression()), !dbg !74
|
|
%m = alloca %class.B, align 4, !DIAssignID !77
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !70, metadata !DIExpression(), metadata !77, metadata ptr %m, metadata !DIExpression()), !dbg !74
|
|
%n = alloca %class.B, align 4, !DIAssignID !78
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !71, metadata !DIExpression(), metadata !78, metadata ptr %n, metadata !DIExpression()), !dbg !74
|
|
%o = alloca %class.a, align 4, !DIAssignID !79
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !72, metadata !DIExpression(), metadata !79, metadata ptr %o, metadata !DIExpression()), !dbg !74
|
|
%0 = getelementptr inbounds %class.h, ptr %convexbody, i64 0, i32 0, !dbg !80
|
|
%1 = getelementptr inbounds %class.h, ptr %k, i64 0, i32 0, !dbg !80
|
|
%2 = bitcast ptr %l to ptr, !dbg !81
|
|
call void @_ZN1h1iEv(ptr nonnull sret(%class.B) align 4 %l, ptr nonnull %k), !dbg !82
|
|
%3 = bitcast ptr %m to ptr, !dbg !81
|
|
call void @_ZN1h1iEv(ptr nonnull sret(%class.B) align 4 %m, ptr nonnull %convexbody), !dbg !83
|
|
%4 = bitcast ptr %n to ptr, !dbg !81
|
|
%agg.tmp.sroa.0.0..sroa_idx.i = getelementptr inbounds %class.B, ptr %l, i64 0, i32 1, !dbg !84
|
|
%agg.tmp.sroa.0.0..sroa_cast.i = bitcast ptr %agg.tmp.sroa.0.0..sroa_idx.i to ptr, !dbg !84
|
|
%agg.tmp.sroa.0.0.copyload.i = load <2 x float>, ptr %agg.tmp.sroa.0.0..sroa_cast.i, align 4, !dbg !84
|
|
%agg.tmp.sroa.2.0..sroa_idx2.i = getelementptr inbounds %class.B, ptr %l, i64 0, i32 1, i32 0, i64 2, !dbg !84
|
|
%agg.tmp.sroa.2.0..sroa_cast.i = bitcast ptr %agg.tmp.sroa.2.0..sroa_idx2.i to ptr, !dbg !84
|
|
%agg.tmp.sroa.2.0.copyload.i = load <2 x float>, ptr %agg.tmp.sroa.2.0..sroa_cast.i, align 4, !dbg !84
|
|
%d.sroa.0.0..sroa_idx.i.i = getelementptr inbounds %class.B, ptr %n, i64 0, i32 1, !dbg !89
|
|
%d.sroa.0.0..sroa_cast.i.i = bitcast ptr %d.sroa.0.0..sroa_idx.i.i to ptr, !dbg !89
|
|
store <2 x float> %agg.tmp.sroa.0.0.copyload.i, ptr %d.sroa.0.0..sroa_cast.i.i, align 4, !dbg !89
|
|
%d.sroa.2.0..sroa_idx2.i.i = getelementptr inbounds %class.B, ptr %n, i64 0, i32 1, i32 0, i64 2, !dbg !89
|
|
%d.sroa.2.0..sroa_cast.i.i = bitcast ptr %d.sroa.2.0..sroa_idx2.i.i to ptr, !dbg !89
|
|
store <2 x float> %agg.tmp.sroa.2.0.copyload.i, ptr %d.sroa.2.0..sroa_cast.i.i, align 4, !dbg !89
|
|
%5 = bitcast ptr %o to ptr, !dbg !91
|
|
%e.i = getelementptr inbounds %class.B, ptr %n, i64 0, i32 1, !dbg !92
|
|
%6 = bitcast ptr %e.i to ptr, !dbg !97
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(ptr nonnull align 4 dereferenceable(16) %5, ptr nonnull align 4 dereferenceable(16) %6, i64 16, i1 false), !dbg !97, !DIAssignID !98
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !72, metadata !DIExpression(), metadata !98, metadata ptr %5, metadata !DIExpression()), !dbg !74
|
|
call void @_ZN1a1cEv(ptr nonnull %o), !dbg !99
|
|
ret void, !dbg !100
|
|
}
|
|
|
|
declare dso_local void @_ZN1h1iEv(ptr sret(%class.B) align 4, ptr) local_unnamed_addr #5
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define linkonce_odr dso_local nonnull align 4 dereferenceable(16) ptr @_ZN1B1fEv(ptr %this) local_unnamed_addr #6 comdat align 2 !dbg !93 {
|
|
entry:
|
|
%e = getelementptr inbounds %class.B, ptr %this, i64 0, i32 1, !dbg !101
|
|
ret ptr %e, !dbg !102
|
|
}
|
|
|
|
declare dso_local void @_ZN1a1cEv(ptr) local_unnamed_addr #5
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5, !1000}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
|
|
!1 = !DIFile(filename: "reduce.cpp", directory: "/")
|
|
!2 = !{}
|
|
!3 = !{i32 7, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!"clang version 12.0.0"}
|
|
!7 = distinct !DISubprogram(name: "operator*", linkageName: "_ZNK1BmlERKS_", scope: !8, file: !1, line: 14, type: !33, scopeLine: 14, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, declaration: !32, retainedNodes: !38)
|
|
!8 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !1, line: 6, size: 160, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !9, identifier: "_ZTS1B")
|
|
!9 = !{!10, !12, !24, !28, !32}
|
|
!10 = !DIDerivedType(tag: DW_TAG_member, name: "g", scope: !8, file: !1, line: 11, baseType: !11, size: 32, flags: DIFlagPublic)
|
|
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!12 = !DIDerivedType(tag: DW_TAG_member, name: "e", scope: !8, file: !1, line: 12, baseType: !13, size: 128, offset: 32, flags: DIFlagPublic)
|
|
!13 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !1, line: 1, size: 128, flags: DIFlagTypePassByValue, elements: !14, identifier: "_ZTS1a")
|
|
!14 = !{!15, !20}
|
|
!15 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !13, file: !1, line: 3, baseType: !16, size: 128, flags: DIFlagPublic)
|
|
!16 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, size: 128, elements: !18)
|
|
!17 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
|
|
!18 = !{!19}
|
|
!19 = !DISubrange(count: 4)
|
|
!20 = !DISubprogram(name: "c", linkageName: "_ZN1a1cEv", scope: !13, file: !1, line: 4, type: !21, scopeLine: 4, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
|
|
!21 = !DISubroutineType(types: !22)
|
|
!22 = !{null, !23}
|
|
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!24 = !DISubprogram(name: "B", scope: !8, file: !1, line: 8, type: !25, scopeLine: 8, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
|
|
!25 = !DISubroutineType(types: !26)
|
|
!26 = !{null, !27, !13}
|
|
!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!28 = !DISubprogram(name: "f", linkageName: "_ZN1B1fEv", scope: !8, file: !1, line: 9, type: !29, scopeLine: 9, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
|
|
!29 = !DISubroutineType(types: !30)
|
|
!30 = !{!31, !27}
|
|
!31 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !13, size: 64)
|
|
!32 = !DISubprogram(name: "operator*", linkageName: "_ZNK1BmlERKS_", scope: !8, file: !1, line: 10, type: !33, scopeLine: 10, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
|
|
!33 = !DISubroutineType(types: !34)
|
|
!34 = !{!8, !35, !37}
|
|
!35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!36 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
|
|
!37 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !36, size: 64)
|
|
!38 = !{!39, !41}
|
|
!39 = !DILocalVariable(name: "this", arg: 1, scope: !7, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!40 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64)
|
|
!41 = !DILocalVariable(arg: 2, scope: !7, file: !1, line: 14, type: !37)
|
|
!42 = !DILocation(line: 14, column: 41, scope: !7)
|
|
!47 = !DILocation(line: 8, column: 12, scope: !48, inlinedAt: !53)
|
|
!48 = distinct !DISubprogram(name: "B", linkageName: "_ZN1BC2E1a", scope: !8, file: !1, line: 8, type: !25, scopeLine: 8, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, declaration: !24, retainedNodes: !49)
|
|
!49 = !{!50, !52}
|
|
!50 = !DILocalVariable(name: "this", arg: 1, scope: !48, type: !51, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!51 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
|
|
!52 = !DILocalVariable(name: "d", arg: 2, scope: !48, file: !1, line: 8, type: !13)
|
|
!53 = distinct !DILocation(line: 14, column: 41, scope: !7)
|
|
!54 = !DILocation(line: 14, column: 34, scope: !7)
|
|
!55 = !DILocation(line: 8, column: 12, scope: !48)
|
|
!56 = !DILocation(line: 8, column: 18, scope: !48)
|
|
!57 = distinct !DISubprogram(name: "j", linkageName: "_Z1jv", scope: !1, file: !1, line: 19, type: !58, scopeLine: 19, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !60)
|
|
!58 = !DISubroutineType(types: !59)
|
|
!59 = !{null}
|
|
!60 = !{!61, !68, !69, !70, !71, !72}
|
|
!61 = !DILocalVariable(name: "convexbody", scope: !57, file: !1, line: 20, type: !62)
|
|
!62 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "h", file: !1, line: 15, size: 8, flags: DIFlagTypePassByValue, elements: !63, identifier: "_ZTS1h")
|
|
!63 = !{!64}
|
|
!64 = !DISubprogram(name: "i", linkageName: "_ZN1h1iEv", scope: !62, file: !1, line: 17, type: !65, scopeLine: 17, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
|
|
!65 = !DISubroutineType(types: !66)
|
|
!66 = !{!8, !67}
|
|
!67 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !62, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!68 = !DILocalVariable(name: "k", scope: !57, file: !1, line: 20, type: !62)
|
|
!69 = !DILocalVariable(name: "l", scope: !57, file: !1, line: 21, type: !8)
|
|
!70 = !DILocalVariable(name: "m", scope: !57, file: !1, line: 21, type: !8)
|
|
!71 = !DILocalVariable(name: "n", scope: !57, file: !1, line: 21, type: !8)
|
|
!72 = !DILocalVariable(name: "o", scope: !57, file: !1, line: 22, type: !13)
|
|
!73 = distinct !DIAssignID()
|
|
!74 = !DILocation(line: 0, scope: !57)
|
|
!75 = distinct !DIAssignID()
|
|
!76 = distinct !DIAssignID()
|
|
!77 = distinct !DIAssignID()
|
|
!78 = distinct !DIAssignID()
|
|
!79 = distinct !DIAssignID()
|
|
!80 = !DILocation(line: 20, column: 3, scope: !57)
|
|
!81 = !DILocation(line: 21, column: 3, scope: !57)
|
|
!82 = !DILocation(line: 21, column: 11, scope: !57)
|
|
!83 = !DILocation(line: 21, column: 31, scope: !57)
|
|
!84 = !DILocation(line: 14, column: 41, scope: !7, inlinedAt: !85)
|
|
!85 = distinct !DILocation(line: 21, column: 42, scope: !57)
|
|
!89 = !DILocation(line: 8, column: 12, scope: !48, inlinedAt: !90)
|
|
!90 = distinct !DILocation(line: 14, column: 41, scope: !7, inlinedAt: !85)
|
|
!91 = !DILocation(line: 22, column: 3, scope: !57)
|
|
!92 = !DILocation(line: 9, column: 19, scope: !93, inlinedAt: !96)
|
|
!93 = distinct !DISubprogram(name: "f", linkageName: "_ZN1B1fEv", scope: !8, file: !1, line: 9, type: !29, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, declaration: !28, retainedNodes: !94)
|
|
!94 = !{!95}
|
|
!95 = !DILocalVariable(name: "this", arg: 1, scope: !93, type: !51, flags: DIFlagArtificial | DIFlagObjectPointer)
|
|
!96 = distinct !DILocation(line: 22, column: 11, scope: !57)
|
|
!97 = !DILocation(line: 22, column: 9, scope: !57)
|
|
!98 = distinct !DIAssignID()
|
|
!99 = !DILocation(line: 23, column: 5, scope: !57)
|
|
!100 = !DILocation(line: 24, column: 1, scope: !57)
|
|
!101 = !DILocation(line: 9, column: 19, scope: !93)
|
|
!102 = !DILocation(line: 9, column: 12, scope: !93)
|
|
!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
|