[llvm-commits] [llvm] r77605 - in /llvm/trunk: include/llvm/ADT/Twine.h lib/Transforms/IPO/ArgumentPromotion.cpp lib/Transforms/IPO/GlobalOpt.cpp lib/Transforms/Scalar/ScalarReplAggregates.cpp lib/Transforms/Utils/PromoteMemoryToRegister.cpp util

Daniel Dunbar daniel at zuster.org
Thu Jul 30 11:24:49 PDT 2009


Ignore the AsmMatcherEmitter.cpp changes, I didn't mean to commit that.

On Thu, Jul 30, 2009 at 10:37 AM, Daniel Dunbar<daniel at zuster.org> wrote:
> Author: ddunbar
> Date: Thu Jul 30 12:37:43 2009
> New Revision: 77605
>
> URL: http://llvm.org/viewvc/llvm-project?rev=77605&view=rev
> Log:
> Twines: Don't allow implicit conversion from integers, this is too tricky.
>
> Modified:
>    llvm/trunk/include/llvm/ADT/Twine.h
>    llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp
>    llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
>    llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
>    llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
>    llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
>
> Modified: llvm/trunk/include/llvm/ADT/Twine.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/Twine.h?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/ADT/Twine.h (original)
> +++ llvm/trunk/include/llvm/ADT/Twine.h Thu Jul 30 12:37:43 2009
> @@ -252,22 +252,22 @@
>     }
>
>     /// Construct a twine to print \arg Val as an unsigned decimal integer.
> -    Twine(const uint32_t &Val)
> +    explicit Twine(const uint32_t &Val)
>       : LHS(&Val), LHSKind(UDec32Kind), RHSKind(EmptyKind) {
>     }
>
>     /// Construct a twine to print \arg Val as a signed decimal integer.
> -    Twine(const int32_t &Val)
> +    explicit Twine(const int32_t &Val)
>       : LHS(&Val), LHSKind(SDec32Kind), RHSKind(EmptyKind) {
>     }
>
>     /// Construct a twine to print \arg Val as an unsigned decimal integer.
> -    Twine(const uint64_t &Val)
> +    explicit Twine(const uint64_t &Val)
>       : LHS(&Val), LHSKind(UDec64Kind), RHSKind(EmptyKind) {
>     }
>
>     /// Construct a twine to print \arg Val as a signed decimal integer.
> -    Twine(const int64_t &Val)
> +    explicit Twine(const int64_t &Val)
>       : LHS(&Val), LHSKind(SDec64Kind), RHSKind(EmptyKind) {
>     }
>
>
> Modified: llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp (original)
> +++ llvm/trunk/lib/Transforms/IPO/ArgumentPromotion.cpp Thu Jul 30 12:37:43 2009
> @@ -764,9 +764,9 @@
>         Idxs[1] = ConstantInt::get(Type::Int32Ty, i);
>         Value *Idx =
>           GetElementPtrInst::Create(TheAlloca, Idxs, Idxs+2,
> -                                    TheAlloca->getName()+"."+i,
> +                                    TheAlloca->getName()+"."+Twine(i),
>                                     InsertPt);
> -        I2->setName(I->getName()+"."+i);
> +        I2->setName(I->getName()+"."+Twine(i));
>         new StoreInst(I2++, Idx, InsertPt);
>       }
>
>
> Modified: llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp (original)
> +++ llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp Thu Jul 30 12:37:43 2009
> @@ -494,7 +494,7 @@
>       GlobalVariable *NGV = new GlobalVariable(Context,
>                                                STy->getElementType(i), false,
>                                                GlobalVariable::InternalLinkage,
> -                                               In, GV->getName()+"."+i,
> +                                               In, GV->getName()+"."+Twine(i),
>                                                GV->isThreadLocal(),
>                                               GV->getType()->getAddressSpace());
>       Globals.insert(GV, NGV);
> @@ -530,7 +530,7 @@
>       GlobalVariable *NGV = new GlobalVariable(Context,
>                                                STy->getElementType(), false,
>                                                GlobalVariable::InternalLinkage,
> -                                               In, GV->getName()+"."+i,
> +                                               In, GV->getName()+"."+Twine(i),
>                                                GV->isThreadLocal(),
>                                               GV->getType()->getAddressSpace());
>       Globals.insert(GV, NGV);
> @@ -584,7 +584,7 @@
>         for (unsigned i = 3, e = GEPI->getNumOperands(); i != e; ++i)
>           Idxs.push_back(GEPI->getOperand(i));
>         NewPtr = GetElementPtrInst::Create(NewPtr, Idxs.begin(), Idxs.end(),
> -                                           GEPI->getName()+"."+Val, GEPI);
> +                                           GEPI->getName()+"."+Twine(Val),GEPI);
>       }
>     }
>     GEP->replaceAllUsesWith(NewPtr);
> @@ -1152,7 +1152,7 @@
>     Result = new LoadInst(GetHeapSROAValue(LI->getOperand(0), FieldNo,
>                                            InsertedScalarizedValues,
>                                            PHIsToRewrite, Context),
> -                          LI->getName()+".f" + FieldNo, LI);
> +                          LI->getName()+".f"+Twine(FieldNo), LI);
>   } else if (PHINode *PN = dyn_cast<PHINode>(V)) {
>     // PN's type is pointer to struct.  Make a new PHI of pointer to struct
>     // field.
> @@ -1161,7 +1161,7 @@
>
>     Result =
>      PHINode::Create(PointerType::getUnqual(ST->getElementType(FieldNo)),
> -                            PN->getName()+".f"+FieldNo, PN);
> +                     PN->getName()+".f"+Twine(FieldNo), PN);
>     PHIsToRewrite.push_back(std::make_pair(PN, FieldNo));
>   } else {
>     llvm_unreachable("Unknown usable value");
> @@ -1287,12 +1287,12 @@
>       new GlobalVariable(*GV->getParent(),
>                          PFieldTy, false, GlobalValue::InternalLinkage,
>                          Context.getNullValue(PFieldTy),
> -                         GV->getName() + ".f" + FieldNo, GV,
> +                         GV->getName() + ".f" + Twine(FieldNo), GV,
>                          GV->isThreadLocal());
>     FieldGlobals.push_back(NGV);
>
>     MallocInst *NMI = new MallocInst(FieldTy, MI->getArraySize(),
> -                                     MI->getName() + ".f" + FieldNo,MI);
> +                                     MI->getName() + ".f" + Twine(FieldNo), MI);
>     FieldMallocs.push_back(NMI);
>     new StoreInst(NMI, NGV, MI);
>   }
>
> Modified: llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp (original)
> +++ llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp Thu Jul 30 12:37:43 2009
> @@ -335,7 +335,7 @@
>     for (unsigned i = 0, e = ST->getNumContainedTypes(); i != e; ++i) {
>       AllocaInst *NA = new AllocaInst(ST->getContainedType(i), 0,
>                                       AI->getAlignment(),
> -                                      AI->getName() + "." + i, AI);
> +                                      AI->getName() + "." + Twine(i), AI);
>       ElementAllocas.push_back(NA);
>       WorkList.push_back(NA);  // Add to worklist for recursive processing
>     }
> @@ -345,7 +345,7 @@
>     const Type *ElTy = AT->getElementType();
>     for (unsigned i = 0, e = AT->getNumElements(); i != e; ++i) {
>       AllocaInst *NA = new AllocaInst(ElTy, 0, AI->getAlignment(),
> -                                      AI->getName() + "." + i, AI);
> +                                      AI->getName() + "." + Twine(i), AI);
>       ElementAllocas.push_back(NA);
>       WorkList.push_back(NA);  // Add to worklist for recursive processing
>     }
> @@ -776,7 +776,7 @@
>     if (OtherPtr) {
>       Value *Idx[2] = { Zero, ConstantInt::get(Type::Int32Ty, i) };
>       OtherElt = GetElementPtrInst::Create(OtherPtr, Idx, Idx + 2,
> -                                           OtherPtr->getNameStr()+"."+i,
> +                                           OtherPtr->getNameStr()+"."+Twine(i),
>                                            MI);
>       uint64_t EltOffset;
>       const PointerType *OtherPtrTy = cast<PointerType>(OtherPtr->getType());
>
> Modified: llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp (original)
> +++ llvm/trunk/lib/Transforms/Utils/PromoteMemoryToRegister.cpp Thu Jul 30 12:37:43 2009
> @@ -867,7 +867,7 @@
>   // Create a PhiNode using the dereferenced type... and add the phi-node to the
>   // BasicBlock.
>   PN = PHINode::Create(Allocas[AllocaNo]->getAllocatedType(),
> -                       Allocas[AllocaNo]->getName() + "." + Version++,
> +                       Allocas[AllocaNo]->getName() + "." + Twine(Version++),
>                        BB->begin());
>   ++NumPHIInsert;
>   PhiToAllocaMap[PN] = AllocaNo;
>
> Modified: llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp?rev=77605&r1=77604&r2=77605&view=diff
>
> ==============================================================================
> --- llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp (original)
> +++ llvm/trunk/utils/TableGen/AsmMatcherEmitter.cpp Thu Jul 30 12:37:43 2009
> @@ -17,6 +17,32 @@
>  #include "Record.h"
>  using namespace llvm;
>
> +static std::string FlattenVariants(const std::string &AsmString,
> +                                   unsigned Index) {
> +  StringRef Cur = AsmString;
> +  std::string Res = "";
> +
> +  for (;;) {
> +    std::pair<StringRef, StringRef> Split = Cur.split('{');
> +
> +    Res += Split.first;
> +    if (Split.second.empty())
> +      break;
> +
> +    std::pair<StringRef, StringRef> Inner = Cur.split('}');
> +    StringRef Selection = Inner.first;
> +    for (unsigned i = 0; i != Index; ++i)
> +      Selection = Selection.split('|').second;
> +    Selection = Selection.split('|').first;
> +
> +    Res += Selection;
> +
> +    Cur = Inner.second;
> +  }
> +
> +  return Res;
> +}
> +
>  void AsmMatcherEmitter::run(raw_ostream &OS) {
>   CodeGenTarget Target;
>   const std::vector<CodeGenRegister> &Registers = Target.getRegisters();
> @@ -44,4 +70,29 @@
>   }
>   OS << "  return true;\n";
>   OS << "}\n";
> +
> +  // Emit the function to match instructions.
> +  std::vector<const CodeGenInstruction*> NumberedInstructions;
> +  Target.getInstructionsByEnumValue(NumberedInstructions);
> +
> +  const std::map<std::string, CodeGenInstruction> &Instructions =
> +    Target.getInstructions();
> +  for (std::map<std::string, CodeGenInstruction>::const_iterator
> +         it = Instructions.begin(), ie = Instructions.end(); it != ie; ++it) {
> +    const CodeGenInstruction &CGI = it->second;
> +
> +    if (it->first != "SUB8rr")
> +      continue;
> +
> +    /*
> +def SUB8rr  : I<0x28, MRMDestReg, (outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
> +                "sub{b}\t{$src2, $dst|$dst, $src2}",
> +                [(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
> +                 (implicit EFLAGS)]>;
> +    */
> +
> +    outs() << it->first << " "
> +           << FlattenVariants(CGI.AsmString, 0)
> +           << "\n";
> +  }
>  }
>
>
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