[Type] Avoid APFloat.h include (NFC)

This is only used by a handful of methods working on fltSemantics,
and having these defined inline in the header does not look
particularly important.

llvm/include/llvm/CodeGen/GlobalISel/Utils.h

@@ -16,6 +16,7 @@
 
 #include "GISelWorkList.h"
 #include "LostDebugLocObserver.h"
+#include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/Register.h"

llvm/include/llvm/IR/DataLayout.h

@@ -19,6 +19,7 @@
 #ifndef LLVM_IR_DATALAYOUT_H
 #define LLVM_IR_DATALAYOUT_H
 
+#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"

llvm/include/llvm/IR/Function.h

@@ -48,6 +48,7 @@ typedef unsigned ID;
 
 class AssemblyAnnotationWriter;
 class Constant;
+struct DenormalMode;
 class DISubprogram;
 class LLVMContext;
 class Module;

llvm/include/llvm/IR/Type.h

@@ -14,7 +14,6 @@
 #ifndef LLVM_IR_TYPE_H
 #define LLVM_IR_TYPE_H
 
-#include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/CBindingWrapping.h"
@@ -29,6 +28,7 @@
 namespace llvm {
 
 class IntegerType;
+struct fltSemantics;
 class LLVMContext;
 class PointerType;
 class raw_ostream;
@@ -166,18 +166,7 @@ public:
            getTypeID() == PPC_FP128TyID;
   }
 
-  const fltSemantics &getFltSemantics() const {
-    switch (getTypeID()) {
-    case HalfTyID: return APFloat::IEEEhalf();
-    case BFloatTyID: return APFloat::BFloat();
-    case FloatTyID: return APFloat::IEEEsingle();
-    case DoubleTyID: return APFloat::IEEEdouble();
-    case X86_FP80TyID: return APFloat::x87DoubleExtended();
-    case FP128TyID: return APFloat::IEEEquad();
-    case PPC_FP128TyID: return APFloat::PPCDoubleDouble();
-    default: llvm_unreachable("Invalid floating type");
-    }
-  }
+  const fltSemantics &getFltSemantics() const;
 
   /// Return true if this is X86 MMX.
   bool isX86_MMXTy() const { return getTypeID() == X86_MMXTyID; }
@@ -312,7 +301,7 @@ public:
 
   /// Return whether the type is IEEE compatible, as defined by the eponymous
   /// method in APFloat.
-  bool isIEEE() const { return APFloat::getZero(getFltSemantics()).isIEEE(); }
+  bool isIEEE() const;
 
   /// If this is a vector type, return the element type, otherwise return
   /// 'this'.
@@ -443,26 +432,7 @@ public:
     }
     llvm_unreachable("Unsupported type in Type::getScalarTy");
   }
-  static Type *getFloatingPointTy(LLVMContext &C, const fltSemantics &S) {
-    Type *Ty;
-    if (&S == &APFloat::IEEEhalf())
-      Ty = Type::getHalfTy(C);
-    else if (&S == &APFloat::BFloat())
-      Ty = Type::getBFloatTy(C);
-    else if (&S == &APFloat::IEEEsingle())
-      Ty = Type::getFloatTy(C);
-    else if (&S == &APFloat::IEEEdouble())
-      Ty = Type::getDoubleTy(C);
-    else if (&S == &APFloat::x87DoubleExtended())
-      Ty = Type::getX86_FP80Ty(C);
-    else if (&S == &APFloat::IEEEquad())
-      Ty = Type::getFP128Ty(C);
-    else {
-      assert(&S == &APFloat::PPCDoubleDouble() && "Unknown FP format");
-      Ty = Type::getPPC_FP128Ty(C);
-    }
-    return Ty;
-  }
+  static Type *getFloatingPointTy(LLVMContext &C, const fltSemantics &S);
 
   //===--------------------------------------------------------------------===//
   // Convenience methods for getting pointer types with one of the above builtin

llvm/lib/IR/Type.cpp

@@ -66,6 +66,44 @@ bool Type::isOpaquePointerTy() const {
   return false;
 }
 
+const fltSemantics &Type::getFltSemantics() const {
+  switch (getTypeID()) {
+  case HalfTyID: return APFloat::IEEEhalf();
+  case BFloatTyID: return APFloat::BFloat();
+  case FloatTyID: return APFloat::IEEEsingle();
+  case DoubleTyID: return APFloat::IEEEdouble();
+  case X86_FP80TyID: return APFloat::x87DoubleExtended();
+  case FP128TyID: return APFloat::IEEEquad();
+  case PPC_FP128TyID: return APFloat::PPCDoubleDouble();
+  default: llvm_unreachable("Invalid floating type");
+  }
+}
+
+bool Type::isIEEE() const {
+  return APFloat::getZero(getFltSemantics()).isIEEE();
+}
+
+Type *Type::getFloatingPointTy(LLVMContext &C, const fltSemantics &S) {
+  Type *Ty;
+  if (&S == &APFloat::IEEEhalf())
+    Ty = Type::getHalfTy(C);
+  else if (&S == &APFloat::BFloat())
+    Ty = Type::getBFloatTy(C);
+  else if (&S == &APFloat::IEEEsingle())
+    Ty = Type::getFloatTy(C);
+  else if (&S == &APFloat::IEEEdouble())
+    Ty = Type::getDoubleTy(C);
+  else if (&S == &APFloat::x87DoubleExtended())
+    Ty = Type::getX86_FP80Ty(C);
+  else if (&S == &APFloat::IEEEquad())
+    Ty = Type::getFP128Ty(C);
+  else {
+    assert(&S == &APFloat::PPCDoubleDouble() && "Unknown FP format");
+    Ty = Type::getPPC_FP128Ty(C);
+  }
+  return Ty;
+}
+
 bool Type::canLosslesslyBitCastTo(Type *Ty) const {
   // Identity cast means no change so return true
   if (this == Ty)

llvm/lib/ToolDrivers/llvm-dlltool/DlltoolDriver.cpp

@@ -12,6 +12,7 @@
 
 #include "llvm/ToolDrivers/llvm-dlltool/DlltoolDriver.h"
 #include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Object/COFF.h"
 #include "llvm/Object/COFFImportFile.h"
 #include "llvm/Object/COFFModuleDefinition.h"