Merge pull request swiftlang#31634 from compnerd/no-support-structure

runtime: remove `llvm/Support` header usage

Author: compnerd

stdlib/public/SwiftShims/RefCount.h

@@ -33,7 +33,6 @@ typedef InlineRefCountsPlaceholder InlineRefCounts;
 #include <stdint.h>
 #include <assert.h>
 
-#include "llvm/Support/Compiler.h"
 #include "swift/Basic/type_traits.h"
 #include "swift/Runtime/Atomic.h"
 #include "swift/Runtime/Config.h"

stdlib/public/runtime/Casting.cpp

@@ -39,7 +39,6 @@
 #include "swift/Runtime/Unreachable.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PointerIntPair.h"
-#include "llvm/Support/Compiler.h"
 #if SWIFT_OBJC_INTEROP
 #include "swift/Runtime/ObjCBridge.h"
 #include "SwiftObject.h"

stdlib/public/runtime/Enum.cpp

@@ -14,8 +14,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MathExtras.h"
 #include "swift/Runtime/Metadata.h"
 #include "swift/Runtime/Enum.h"
 #include "swift/Runtime/Debug.h"

stdlib/public/runtime/ErrorObject.h

@@ -28,8 +28,6 @@
 #include "swift/Runtime/HeapObject.h"
 #include "SwiftHashableSupport.h"
 
-#include "llvm/Support/Compiler.h"
-
 #include <atomic>
 #if SWIFT_OBJC_INTEROP
 # include <CoreFoundation/CoreFoundation.h>

stdlib/public/runtime/HeapObject.cpp

@@ -20,8 +20,6 @@
 #include "swift/Runtime/Metadata.h"
 #include "swift/Runtime/Once.h"
 #include "swift/ABI/System.h"
-#include "llvm/Support/Compiler.h"
-#include "llvm/Support/MathExtras.h"
 #include "MetadataCache.h"
 #include "Private.h"
 #include "RuntimeInvocationsTracking.h"

stdlib/public/runtime/Leaks.h

@@ -23,7 +23,6 @@
 
 #include "../SwiftShims/Visibility.h"
 
-#include "llvm/Support/Compiler.h"
 #include "swift/Runtime/Config.h"
 
 namespace swift {

stdlib/public/runtime/Metadata.cpp

@@ -27,8 +27,6 @@
 #include "swift/Runtime/Mutex.h"
 #include "swift/Runtime/Once.h"
 #include "swift/Strings.h"
-#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/PointerLikeTypeTraits.h"
 #include <algorithm>
 #include <cctype>
 #include <cinttypes>

stdlib/public/runtime/MetadataImpl.h

@@ -40,7 +40,6 @@
 #ifndef SWIFT_RUNTIME_METADATAIMPL_H
 #define SWIFT_RUNTIME_METADATAIMPL_H
 
-#include "llvm/Support/Compiler.h"
 #include "swift/Runtime/Config.h"
 #include "swift/Runtime/Metadata.h"
 #include "swift/Runtime/HeapObject.h"

stdlib/public/runtime/Private.h

@@ -20,7 +20,6 @@
 #include "swift/Demangling/Demangler.h"
 #include "swift/Runtime/Config.h"
 #include "swift/Runtime/Metadata.h"
-#include "llvm/Support/Compiler.h"
 
 #if defined(__APPLE__) && defined(__MACH__)
 #include <TargetConditionals.h>

stdlib/public/runtime/ReflectionMirror.mm

@@ -23,7 +23,6 @@
 #include "swift/Runtime/Portability.h"
 #include "Private.h"
 #include "WeakReference.h"
-#include "llvm/Support/Compiler.h"
 #include <cassert>
 #include <cinttypes>
 #include <cstdio>

stdlib/public/runtime/SwiftObject.h

@@ -23,7 +23,6 @@
 #include <utility>
 #include "swift/Runtime/HeapObject.h"
 #if SWIFT_OBJC_INTEROP
-#include "llvm/Support/Compiler.h"
 #include <objc/NSObject.h>
 #endif
 

stdlib/public/runtime/ThreadLocalStorage.h

@@ -13,7 +13,6 @@
 #ifndef SWIFT_RUNTIME_THREADLOCALSTORAGE_H
 #define SWIFT_RUNTIME_THREADLOCALSTORAGE_H
 
-#include "llvm/Support/Compiler.h"
 #include "swift/Runtime/Config.h"
 
 // Depending on the target, we may be able to use dedicated TSD keys or

stdlib/public/stubs/Stubs.cpp

@@ -74,8 +74,6 @@ static float swift_strtof_l(const char *nptr, char **endptr, locale_t loc) {
 #endif
 #include <limits>
 #include <thread>
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Support/Compiler.h"
 #include "swift/Runtime/Debug.h"
 #include "swift/Runtime/SwiftDtoa.h"
 #include "swift/Basic/Lazy.h"
@@ -84,6 +82,8 @@ static float swift_strtof_l(const char *nptr, char **endptr, locale_t loc) {
 #include "../SwiftShims/RuntimeShims.h"
 #include "../SwiftShims/RuntimeStubs.h"
 
+#include "llvm/ADT/StringExtras.h"
+
 static uint64_t uint64ToStringImpl(char *Buffer, uint64_t Value,
                                    int64_t Radix, bool Uppercase,
                                    bool Negative) {
@@ -310,8 +310,8 @@ swift::swift_stdlib_readLine_stdin(unsigned char **LinePtr) {
   if (LinePtr == nullptr)
     return -1;
 
-  ssize_t Capacity = 0;
-  ssize_t Pos = 0;
+  __swift_ssize_t Capacity = 0;
+  __swift_ssize_t Pos = 0;
   unsigned char *ReadBuf = nullptr;
 
   _lock_file(stdin);