search for: hasmetadata

...add MetaData to a BasicBlock. Although you can add Metadata to an instruction. So I'm proposing to add the Metadata manipulation methods and state from class "Instruction" to class "BasicBlock". The class "Instruction" stores a private enumeration: enum { // HasMetadataBit - This is a bit stored in the SubClassData field which // indicates whether this instruction has metadata attached to it or not. HasMetadataBit = 1 << 15 }; This enumeration is then utilized by hasMetadata() which is inlined in class Instruction: // hasMetadata() - Return true if th...

...// Otherwise, remap the rest of the instructions normally. - for (; I != NewBB->end(); ++I) + unsigned DbgKind = 0; + MDNode *TheCallMD = NULL; + SmallVector<Value *, 4> MDVs; + LLVMContext &Context = OldFunc->getContext(); + if (TheCall && TheCall->hasMetadata()) { + DbgKind = Context.getMetadata().getMDKind("dbg"); + TheCallMD = Context.getMetadata().getMD(DbgKind, TheCall); + } + for (; I != NewBB->end(); ++I) { + if (TheCallMD && I->hasMetadata()) + if (MDNode *IMD = Context.getMetadata().getMD(DbgKi...

Devang Patel wrote: > Hi John, > > On Wed, Nov 4, 2009 at 12:04 PM, John Criswell <criswell at uiuc.edu> wrote: > >> Dear All, >> >> 1) I recall reading somewhere that a few optimizations in LLVM 2.6 strip >> away debug information when such information interferes with >> optimization. Is this correct, >> > > Yes. > >

...vantages over `SmallVector<value_type, 1>`: - 32-bits each for size and capacity (instead of 64-bits). - Domain knowledge of `value_type` allows aggressive unions. Can't provide as much API as `std::vector<>`, but the API for metadata attachments is small and opaque: bool hasMetadata(unsigned Tag) const; MDNode *getMetadata(unsigned Tag) const; void setMetadata(unsigned Tag, const MDNode *MD); void getAllMetadata( SmallVectorImpl<std::pair<unsigned, const MDNode *>> &MDs) const; >> Cost would be 16B per `Function`, with the >> s...

...VN has completed its transformations. Is it possible that the Value has been deleted from the program by GVN? Is this expected behaviour? This is the output when I type "print *V1" in gdb: {_vptr.Value = 0x91fa950, SubclassID = 92 '\\', HasValueHandle = 1 '\001', HasMetadata = 0 '\000', SubclassOptionalData = 31 '\037', SubclassData = 43368, VTy = {Ty = 0x921f6fc}, UseList = 0x8d5a550, Name = 0x8e06088} This is the output when I type "print *V1->getType()" in gdb: {<llvm::AbstractTypeUser> = {_vptr.AbstractTypeUser = 0x92184c0...

...d to know how I get the LLVM::IDScope object of an instruction. My program contains: call void (...)* @commit(), !dbg !16 !16 = metadata !{i32 16, i32 5, metadata !8, null} !8 = metadata !{i32 589835, metadata !4, i32 10, i32 1, metadata !2, i32 0} ; [ DW_TAG_lexical_block ] LLVM::Instruction.hasMetadata() is 0 I got LLVM::Scope for variables over DIGlobalVariable.getContext() and DIVariable.getContext() but how do I get it for instructions? Regards Christian Jacobs

..., 1>`: > > - 32-bits each for size and capacity (instead of 64-bits). > - Domain knowledge of `value_type` allows aggressive unions. > > Can't provide as much API as `std::vector<>`, but the API for metadata > attachments is small and opaque: > > bool hasMetadata(unsigned Tag) const; > MDNode *getMetadata(unsigned Tag) const; > void setMetadata(unsigned Tag, const MDNode *MD); > void getAllMetadata( > SmallVectorImpl<std::pair<unsigned, const MDNode *>> &MDs) const; > > >> Cost would be 16B per `...

..., 1>`: > > - 32-bits each for size and capacity (instead of 64-bits). > - Domain knowledge of `value_type` allows aggressive unions. > > Can't provide as much API as `std::vector<>`, but the API for metadata > attachments is small and opaque: > > bool hasMetadata(unsigned Tag) const; > MDNode *getMetadata(unsigned Tag) const; > void setMetadata(unsigned Tag, const MDNode *MD); > void getAllMetadata( > SmallVectorImpl<std::pair<unsigned, const MDNode *>> &MDs) const; > > >> Cost would be 16B per `...

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