74 lines
4.1 KiB
LLVM
74 lines
4.1 KiB
LLVM
; RUN: opt -S %s -passes=inline -o - \
|
|
; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg"
|
|
; RUN: opt --try-experimental-debuginfo-iterators -S %s -passes=inline -o - \
|
|
; RUN: | FileCheck %s --implicit-check-not="call void @llvm.dbg"
|
|
|
|
;; The dbg.assign linked to the large alloca describes a variable sitting at
|
|
;; offset 0, size 64. Check:
|
|
;; A) an inlined store to the alloca outside of the bits 0-64 is not attributed
|
|
;; to the variable.
|
|
;; B) a fragment expression is not created if the inlined store is the size of
|
|
;; the variable.
|
|
;; C) a fragment expression is created if the inlined store is not the size of
|
|
;; the variable.
|
|
|
|
;; Test A:
|
|
; CHECK: %0 = alloca %"struct.llvm::detail::DenseMapPair", i32 0, align 8, !DIAssignID ![[ID1:[0-9]+]]
|
|
; CHECK: call void @llvm.dbg.assign(metadata i1 undef, metadata ![[#]], metadata !DIExpression(), metadata ![[ID1]], metadata ptr %0, metadata !DIExpression())
|
|
|
|
;; Test B:
|
|
;; CHECK: store i64 1, ptr %0, align 4, !DIAssignID ![[ID2:[0-9]+]]
|
|
;; CHECK: call void @llvm.dbg.assign(metadata i64 1, metadata ![[#]], metadata !DIExpression(), metadata ![[ID2]], metadata ptr %0, metadata !DIExpression())
|
|
|
|
;; Test C:
|
|
;; CHECK: store i32 2, ptr %0, align 4, !DIAssignID ![[ID3:[0-9]+]]
|
|
;; CHECK: call void @llvm.dbg.assign(metadata i32 2, metadata ![[#]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata ![[ID3]], metadata ptr %0, metadata !DIExpression())
|
|
|
|
%"struct.llvm::detail::DenseMapPair" = type { %"struct.std::pair" }
|
|
%"struct.std::pair" = type { ptr, %"class.llvm::SmallVector" }
|
|
%"class.llvm::SmallVector" = type { %"class.llvm::SmallVectorImpl", %"struct.llvm::SmallVectorStorage" }
|
|
%"class.llvm::SmallVectorImpl" = type { %"class.llvm::SmallVectorTemplateBase" }
|
|
%"class.llvm::SmallVectorTemplateBase" = type { %"class.llvm::SmallVectorTemplateCommon" }
|
|
%"class.llvm::SmallVectorTemplateCommon" = type { %"class.llvm::SmallVectorBase" }
|
|
%"class.llvm::SmallVectorBase" = type { ptr, i64, i64 }
|
|
%"struct.llvm::SmallVectorStorage" = type { [40 x i8] }
|
|
|
|
define void @_Z6verifyv() {
|
|
entry:
|
|
%0 = alloca %"struct.llvm::detail::DenseMapPair", i32 0, align 8, !DIAssignID !5
|
|
call void @llvm.dbg.assign(metadata i1 undef, metadata !6, metadata !DIExpression(), metadata !5, metadata ptr %0, metadata !DIExpression()), !dbg !14
|
|
call void @_ZN4llvm6detail12DenseMapPairIP4SCEVNS_11SmallVectorI6FoldIDLj40EEEEC2ERKS7_(ptr %0)
|
|
ret void
|
|
}
|
|
|
|
define linkonce_odr void @_ZN4llvm6detail12DenseMapPairIP4SCEVNS_11SmallVectorI6FoldIDLj40EEEEC2ERKS7_(ptr %this) {
|
|
entry:
|
|
%second.i = getelementptr %"struct.std::pair", ptr %this, i64 0, i32 1
|
|
store i32 0, ptr %second.i, align 4
|
|
%test = getelementptr %"struct.std::pair", ptr %this, i64 0, i32 0
|
|
store i64 1, ptr %test
|
|
store i32 2, ptr %test
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 17.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2, splitDebugInlining: false, nameTableKind: None)
|
|
!1 = !DIFile(filename: "reduce.cpp", directory: "")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!4 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
|
|
!5 = distinct !DIAssignID()
|
|
!6 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 10, type: !12)
|
|
!7 = distinct !DILexicalBlock(scope: !8, file: !1, line: 10, column: 3)
|
|
!8 = distinct !DILexicalBlock(scope: !9, file: !1, line: 10, column: 3)
|
|
!9 = distinct !DISubprogram(name: "verify", linkageName: "_Z6verifyv", scope: !1, file: !1, line: 9, type: !10, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
|
|
!10 = !DISubroutineType(types: !11)
|
|
!11 = !{null}
|
|
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
|
|
!13 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "SCEV", file: !1, line: 3, flags: DIFlagFwdDecl | DIFlagNonTrivial, identifier: "_ZTS4SCEV")
|
|
!14 = !DILocation(line: 0, scope: !7)
|
|
|