From 523a508576ee2c31ba58de1ca2fb7ffeebcc4a0b Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 22 Jan 2010 21:50:41 +0000 Subject: [PATCH] change this to be a static function instead of a method on asmprinter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94227 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/AsmPrinter.h | 2 - lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 134 +++++++++++++------------- 2 files changed, 68 insertions(+), 68 deletions(-) diff --git a/include/llvm/CodeGen/AsmPrinter.h b/include/llvm/CodeGen/AsmPrinter.h index 349d4dffddf..3363564a9fc 100644 --- a/include/llvm/CodeGen/AsmPrinter.h +++ b/include/llvm/CodeGen/AsmPrinter.h @@ -336,8 +336,6 @@ namespace llvm { /// EmitComments - Pretty-print comments for instructions void EmitComments(const MachineInstr &MI) const; - /// EmitComments - Pretty-print comments for basic blocks - void EmitComments(const MachineBasicBlock &MBB) const; /// GetGlobalValueSymbol - Return the MCSymbol for the specified global /// value. diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index c5c6e8d6b79..4979eddb73e 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1650,6 +1650,72 @@ MCSymbol *AsmPrinter::GetExternalSymbolSymbol(StringRef Sym) const { } + +/// PrintParentLoopComment - Print comments about parent loops of this one. +static void PrintParentLoopComment(raw_ostream &OS, const MachineLoop *Loop, + unsigned FunctionNumber) { + if (Loop == 0) return; + PrintParentLoopComment(OS, Loop->getParentLoop(), FunctionNumber); + OS.indent(Loop->getLoopDepth()*2) + << "Parent Loop BB" << FunctionNumber << "_" + << Loop->getHeader()->getNumber() + << " Depth=" << Loop->getLoopDepth() << '\n'; +} + + +/// PrintChildLoopComment - Print comments about child loops within +/// the loop for this basic block, with nesting. +static void PrintChildLoopComment(raw_ostream &OS, const MachineLoop *Loop, + unsigned FunctionNumber) { + // Add child loop information + for (MachineLoop::iterator CL = Loop->begin(), E = Loop->end();CL != E; ++CL){ + OS.indent((*CL)->getLoopDepth()*2) + << "Child Loop BB" << FunctionNumber << "_" + << (*CL)->getHeader()->getNumber() << " Depth " << (*CL)->getLoopDepth() + << '\n'; + PrintChildLoopComment(OS, *CL, FunctionNumber); + } +} + +/// EmitComments - Pretty-print comments for basic blocks. +static void PrintBasicBlockLoopComments(const MachineBasicBlock &MBB, + const MachineLoopInfo *LI, + const AsmPrinter &AP) { + // Add loop depth information + const MachineLoop *Loop = LI->getLoopFor(&MBB); + if (Loop == 0) return; + + MachineBasicBlock *Header = Loop->getHeader(); + assert(Header && "No header for loop"); + + // If this block is not a loop header, just print out what is the loop header + // and return. + if (Header != &MBB) { + AP.OutStreamer.AddComment(" in Loop: Header=BB" + + Twine(AP.getFunctionNumber())+"_" + + Twine(Loop->getHeader()->getNumber())+ + " Depth="+Twine(Loop->getLoopDepth())); + return; + } + + // Otherwise, it is a loop header. Print out information about child and + // parent loops. + raw_ostream &OS = AP.OutStreamer.GetCommentOS(); + + PrintParentLoopComment(OS, Loop->getParentLoop(), AP.getFunctionNumber()); + + OS << "=>"; + OS.indent(Loop->getLoopDepth()*2-2); + + OS << "This "; + if (Loop->empty()) + OS << "Inner "; + OS << "Loop Header: Depth=" + Twine(Loop->getLoopDepth()) << '\n'; + + PrintChildLoopComment(OS, Loop, AP.getFunctionNumber()); +} + + /// EmitBasicBlockStart - This method prints the label for the specified /// MachineBasicBlock, an alignment (if present) and a comment describing /// it if appropriate. @@ -1678,7 +1744,7 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const { if (BB->hasName()) OutStreamer.AddComment("%" + BB->getName()); - EmitComments(*MBB); + PrintBasicBlockLoopComments(*MBB, LI, *this); OutStreamer.AddBlankLine(); } } else { @@ -1686,7 +1752,7 @@ void AsmPrinter::EmitBasicBlockStart(const MachineBasicBlock *MBB) const { if (const BasicBlock *BB = MBB->getBasicBlock()) if (BB->hasName()) OutStreamer.AddComment("%" + BB->getName()); - EmitComments(*MBB); + PrintBasicBlockLoopComments(*MBB, LI, *this); } OutStreamer.EmitLabel(GetMBBSymbol(MBB->getNumber())); @@ -1845,67 +1911,3 @@ void AsmPrinter::EmitComments(const MachineInstr &MI) const { } } -/// PrintParentLoopComment - Print comments about parent loops of this one. -static void PrintParentLoopComment(raw_ostream &OS, const MachineLoop *Loop, - unsigned FunctionNumber) { - if (Loop == 0) return; - - PrintParentLoopComment(OS, Loop->getParentLoop(), FunctionNumber); - - OS.indent(Loop->getLoopDepth()*2) - << "Parent Loop BB" << FunctionNumber << "_" - << Loop->getHeader()->getNumber() - << " Depth=" << Loop->getLoopDepth() << '\n'; -} - - -/// PrintChildLoopComment - Print comments about child loops within -/// the loop for this basic block, with nesting. -static void PrintChildLoopComment(raw_ostream &OS, const MachineLoop *Loop, - unsigned FunctionNumber) { - // Add child loop information - for (MachineLoop::iterator CL = Loop->begin(), E = Loop->end();CL != E; ++CL){ - OS.indent((*CL)->getLoopDepth()*2) - << "Child Loop BB" << FunctionNumber << "_" - << (*CL)->getHeader()->getNumber() << " Depth " << (*CL)->getLoopDepth() - << '\n'; - PrintChildLoopComment(OS, *CL, FunctionNumber); - } -} - -/// EmitComments - Pretty-print comments for basic blocks -void AsmPrinter::EmitComments(const MachineBasicBlock &MBB) const { - assert(VerboseAsm && "Shouldn't be called unless in verbose asm mode"); - - // Add loop depth information - const MachineLoop *Loop = LI->getLoopFor(&MBB); - if (Loop == 0) return; - - MachineBasicBlock *Header = Loop->getHeader(); - assert(Header && "No header for loop"); - - // If this block is not a loop header, just print out what is the loop header - // and return. - if (Header != &MBB) { - OutStreamer.AddComment(" in Loop: Header=BB" + Twine(getFunctionNumber())+ - "_" + Twine(Loop->getHeader()->getNumber())+ - " Depth="+Twine(Loop->getLoopDepth())); - return; - } - - // Otherwise, it is a loop header. Print out information about child and - // parent loops. - raw_ostream &OS = OutStreamer.GetCommentOS(); - - PrintParentLoopComment(OS, Loop->getParentLoop(), getFunctionNumber()); - - OS << "=>"; - OS.indent(Loop->getLoopDepth()*2-2); - - OS << "This "; - if (Loop->empty()) - OS << "Inner "; - OS << "Loop Header: Depth=" + Twine(Loop->getLoopDepth()) << '\n'; - - PrintChildLoopComment(OS, Loop, getFunctionNumber()); -}