Update all the APInt toStrings

Just went through and updated the rest of the APInt toString calls.
This should take care of them, I hope.

Author: etcwilde

lib/Driver/Driver.cpp

@@ -2760,7 +2760,7 @@ static void addDiagFileOutputForPersistentPCHAction(
     llvm::sys::path::append(outPathBuf, stem);
     outPathBuf += '-';
     auto code = llvm::hash_value(ModuleOutPath);
-    outPathBuf += llvm::APInt(64, code).toString(36, /*Signed=*/false);
+    llvm::APInt(64, code).toString(outPathBuf, 36, /*Signed=*/false);
     llvm::sys::path::replace_extension(outPathBuf, suffix);
   }
 

lib/Frontend/Frontend.cpp

@@ -30,9 +30,9 @@
 #include "swift/SIL/SILModule.h"
 #include "swift/SILOptimizer/PassManager/Passes.h"
 #include "swift/SILOptimizer/Utils/Generics.h"
+#include "swift/Serialization/ModuleDependencyScanner.h"
 #include "swift/Serialization/SerializationOptions.h"
 #include "swift/Serialization/SerializedModuleLoader.h"
-#include "swift/Serialization/ModuleDependencyScanner.h"
 #include "swift/Strings.h"
 #include "swift/Subsystems.h"
 #include "clang/AST/ASTContext.h"
@@ -44,6 +44,7 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Process.h"
+#include <llvm/ADT/StringExtras.h>
 
 using namespace swift;
 
@@ -61,7 +62,7 @@ std::string CompilerInvocation::getPCHHash() const {
                            SILOpts.getPCHHashComponents(),
                            IRGenOpts.getPCHHashComponents());
 
-  return llvm::APInt(64, Code).toString(36, /*Signed=*/false);
+  return llvm::toString(llvm::APInt(64, Code), 36, /*Signed=*/false);
 }
 
 const PrimarySpecificPaths &

lib/Frontend/ModuleInterfaceLoader.cpp

@@ -33,6 +33,7 @@
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/Hashing.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Errc.h"
@@ -1554,7 +1555,7 @@ InterfaceSubContextDelegateImpl::getCacheHash(StringRef useInterfacePath) {
       // ensure that we compile all swift interface files with the option set.
       unsigned(genericSubInvocation.getSILOptions().EnableOSSAModules));
 
-  return llvm::APInt(64, H).toString(36, /*Signed=*/false);
+  return llvm::toString(llvm::APInt(64, H), 36, /*Signed=*/false);
 }
 
 std::error_code

lib/IRGen/GenIntegerLiteral.cpp

@@ -16,9 +16,10 @@
 
 #include "GenIntegerLiteral.h"
 
+#include "swift/ABI/MetadataValues.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/GlobalVariable.h"
-#include "swift/ABI/MetadataValues.h"
 
 #include "BitPatternBuilder.h"
 #include "Explosion.h"
@@ -177,12 +178,12 @@ ConstantIntegerLiteralMap::get(IRGenModule &IGM, APInt &&value) {
   // TODO: make this shared within the image
   auto arrayTy = llvm::ArrayType::get(IGM.SizeTy, numChunks);
   auto initV = llvm::ConstantArray::get(arrayTy, chunks);
-  auto globalArray =
-    new llvm::GlobalVariable(*IGM.getModule(), arrayTy, /*constant*/ true,
-                             llvm::GlobalVariable::PrivateLinkage, initV,
-                             IGM.EnableValueNames
-                               ? Twine("intliteral.") + value.toString(10, true)
-                               : "");
+  auto globalArray = new llvm::GlobalVariable(
+      *IGM.getModule(), arrayTy, /*constant*/ true,
+      llvm::GlobalVariable::PrivateLinkage, initV,
+      IGM.EnableValueNames
+          ? Twine("intliteral.") + llvm::toString(value, 10, true)
+          : "");
   globalArray->setUnnamedAddr(llvm::GlobalVariable::UnnamedAddr::Global);
 
   // Various clients expect this to be a i64*, not an [N x i64]*, so cast down.

lib/SIL/IR/SILPrinter.cpp

@@ -1346,12 +1346,12 @@ class SILPrinter : public SILInstructionVisitor<SILPrinter> {
     *this << ILI->getType() << ", " << lit;
   }
   void visitFloatLiteralInst(FloatLiteralInst *FLI) {
-    *this << FLI->getType() << ", 0x";
-    APInt bits = FLI->getBits();
-    *this << bits.toString(16, /*Signed*/ false);
+    llvm::SmallString<12> hex;
     llvm::SmallString<12> decimal;
+    FLI->getBits().toString(hex, 16, /*Signed*/ false);
     FLI->getValue().toString(decimal);
-    *this << " // " << decimal;
+    *this << FLI->getType()
+          << (llvm::Twine(", 0x") + hex + " // " + decimal).str();
   }
   static StringRef getStringEncodingName(StringLiteralInst::Encoding kind) {
     switch (kind) {

lib/SILOptimizer/Utils/ConstantFolding.cpp

@@ -23,6 +23,7 @@
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APSInt.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/Support/Debug.h"
 
@@ -245,24 +246,23 @@ constantFoldBinaryWithOverflow(BuiltinInst *BI, llvm::Intrinsic::ID ID,
         break;
     }
 
+    SmallString<10> LhsStr;
+    SmallString<10> RhsStr;
+    LHSInt.toString(LhsStr, /*Radix*/ 10, Signed);
+    RHSInt.toString(RhsStr, /*Radix*/ 10, Signed);
     if (!OpType.isNull()) {
-      diagnose(BI->getModule().getASTContext(),
-               Loc.getSourceLoc(),
-               diag::arithmetic_operation_overflow,
-               LHSInt.toString(/*Radix*/ 10, Signed),
-               Operator,
-               RHSInt.toString(/*Radix*/ 10, Signed),
-               OpType).highlight(LHSRange).highlight(RHSRange);
+      diagnose(BI->getModule().getASTContext(), Loc.getSourceLoc(),
+               diag::arithmetic_operation_overflow, LhsStr, Operator, RhsStr,
+               OpType)
+          .highlight(LHSRange)
+          .highlight(RHSRange);
     } else {
       // If we cannot get the type info in an expected way, describe the type.
-      diagnose(BI->getModule().getASTContext(),
-               Loc.getSourceLoc(),
-               diag::arithmetic_operation_overflow_generic_type,
-               LHSInt.toString(/*Radix*/ 10, Signed),
-               Operator,
-               RHSInt.toString(/*Radix*/ 10, Signed),
-               Signed,
-               LHSInt.getBitWidth()).highlight(LHSRange).highlight(RHSRange);
+      diagnose(BI->getModule().getASTContext(), Loc.getSourceLoc(),
+               diag::arithmetic_operation_overflow_generic_type, LhsStr,
+               Operator, RhsStr, Signed, LHSInt.getBitWidth())
+          .highlight(LHSRange)
+          .highlight(RHSRange);
     }
     ResultsInError = Optional<bool>(true);
   }
@@ -570,12 +570,11 @@ constantFoldAndCheckDivision(BuiltinInst *BI, BuiltinValueKind ID,
 
     // Otherwise emit the diagnostic, set ResultsInError to be true, and return
     // nullptr.
-    diagnose(M.getASTContext(),
-             BI->getLoc().getSourceLoc(),
+    diagnose(M.getASTContext(), BI->getLoc().getSourceLoc(),
              diag::division_overflow,
-             NumVal.toString(/*Radix*/ 10, /*Signed*/true),
+             llvm::toString(NumVal, /*Radix*/ 10, /*Signed*/ true),
              IsRem ? "%" : "/",
-             DenomVal.toString(/*Radix*/ 10, /*Signed*/true));
+             llvm::toString(DenomVal, /*Radix*/ 10, /*Signed*/ true));
     ResultsInError = Optional<bool>(true);
     return nullptr;
   }
@@ -1366,7 +1365,7 @@ case BuiltinValueKind::id:
     if (VInt.isNegative() && ResultsInError.hasValue()) {
       diagnose(M.getASTContext(), BI->getLoc().getSourceLoc(),
                diag::wrong_non_negative_assumption,
-               VInt.toString(/*Radix*/ 10, /*Signed*/ true));
+               llvm::toString(VInt, /*Radix*/ 10, /*Signed*/ true));
       ResultsInError = Optional<bool>(true);
     }
     return V;

lib/Serialization/SerializeSIL.cpp

@@ -1555,7 +1555,7 @@ void SILSerializer::writeSILInstruction(const SILInstruction &SI) {
   case SILInstructionKind::FloatLiteralInst:
   case SILInstructionKind::IntegerLiteralInst: {
     // Use SILOneOperandLayout to specify the type and the literal.
-    llvm::SmallString<char> Str;
+    llvm::SmallString<10> Str;
     SILType Ty;
     switch (SI.getKind()) {
     default: llvm_unreachable("Out of sync with parent switch");