//===----------------------------------------------------------------------===//
#include "llvm/Target/Mangler.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/Twine.h"
using namespace llvm;
static bool isAcceptableChar(char C, bool AllowPeriod, bool AllowUTF8) {
OutName.push_back('_');
}
-/// NameNeedsEscaping - Return true if the identifier \arg Str needs quotes
+/// NameNeedsEscaping - Return true if the identifier \p Str needs quotes
/// for this assembler.
-static bool NameNeedsEscaping(StringRef Str, const MCAsmInfo &MAI) {
+static bool NameNeedsEscaping(StringRef Str, const MCAsmInfo *MAI) {
assert(!Str.empty() && "Cannot create an empty MCSymbol");
// If the first character is a number and the target does not allow this, we
// need quotes.
- if (!MAI.doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9')
+ if (!MAI->doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9')
return true;
// If any of the characters in the string is an unacceptable character, force
// quotes.
- bool AllowPeriod = MAI.doesAllowPeriodsInName();
- bool AllowUTF8 = MAI.doesAllowUTF8();
+ bool AllowPeriod = MAI->doesAllowPeriodsInName();
+ bool AllowUTF8 = MAI->doesAllowUTF8();
for (unsigned i = 0, e = Str.size(); i != e; ++i)
if (!isAcceptableChar(Str[i], AllowPeriod, AllowUTF8))
return true;
/// appendMangledName - Add the specified string in mangled form if it uses
/// any unusual characters.
static void appendMangledName(SmallVectorImpl<char> &OutName, StringRef Str,
- const MCAsmInfo &MAI) {
+ const MCAsmInfo *MAI) {
// The first character is not allowed to be a number unless the target
// explicitly allows it.
- if (!MAI.doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9') {
+ if (!MAI->doesAllowNameToStartWithDigit() && Str[0] >= '0' && Str[0] <= '9') {
MangleLetter(OutName, Str[0]);
Str = Str.substr(1);
}
- bool AllowPeriod = MAI.doesAllowPeriodsInName();
- bool AllowUTF8 = MAI.doesAllowUTF8();
+ bool AllowPeriod = MAI->doesAllowPeriodsInName();
+ bool AllowUTF8 = MAI->doesAllowUTF8();
for (unsigned i = 0, e = Str.size(); i != e; ++i) {
if (!isAcceptableChar(Str[i], AllowPeriod, AllowUTF8))
MangleLetter(OutName, Str[i]);
StringRef Name = GVName.toStringRef(TmpData);
assert(!Name.empty() && "getNameWithPrefix requires non-empty name");
- const MCAsmInfo &MAI = Context.getAsmInfo();
+ const MCAsmInfo *MAI = Context.getAsmInfo();
// If the global name is not led with \1, add the appropriate prefixes.
if (Name[0] == '\1') {
Name = Name.substr(1);
} else {
if (PrefixTy == Mangler::Private) {
- const char *Prefix = MAI.getPrivateGlobalPrefix();
+ const char *Prefix = MAI->getPrivateGlobalPrefix();
OutName.append(Prefix, Prefix+strlen(Prefix));
} else if (PrefixTy == Mangler::LinkerPrivate) {
- const char *Prefix = MAI.getLinkerPrivateGlobalPrefix();
+ const char *Prefix = MAI->getLinkerPrivateGlobalPrefix();
OutName.append(Prefix, Prefix+strlen(Prefix));
}
- const char *Prefix = MAI.getGlobalPrefix();
+ const char *Prefix = MAI->getGlobalPrefix();
if (Prefix[0] == 0)
; // Common noop, no prefix.
else if (Prefix[1] == 0)
if (!NameNeedsEscaping(Name, MAI) ||
// If quotes are supported, they can be used unless the string contains
// a quote or newline.
- (MAI.doesAllowQuotesInName() &&
+ (MAI->doesAllowQuotesInName() &&
Name.find_first_of("\n\"") == StringRef::npos)) {
OutName.append(Name.begin(), Name.end());
return;
// On systems that do not allow quoted names, we need to mangle most
// strange characters.
- if (!MAI.doesAllowQuotesInName())
+ if (!MAI->doesAllowQuotesInName())
return appendMangledName(OutName, Name, MAI);
// Okay, the system allows quoted strings. We can quote most anything, the
/// a suffix on their name indicating the number of words of arguments they
/// take.
static void AddFastCallStdCallSuffix(SmallVectorImpl<char> &OutName,
- const Function *F, const TargetData &TD) {
+ const Function *F, const DataLayout &TD) {
// Calculate arguments size total.
unsigned ArgWords = 0;
for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
// If this global has a name, handle it simply.
if (GV->hasName()) {
- getNameWithPrefix(OutName, GV->getName(), PrefixTy);
+ StringRef Name = GV->getName();
+ getNameWithPrefix(OutName, Name, PrefixTy);
+ // No need to do anything else if the global has the special "do not mangle"
+ // flag in the name.
+ if (Name[0] == 1)
+ return;
} else {
// Get the ID for the global, assigning a new one if we haven't got one
// already.
// If we are supposed to add a microsoft-style suffix for stdcall/fastcall,
// add it.
- if (Context.getAsmInfo().hasMicrosoftFastStdCallMangling()) {
+ if (Context.getAsmInfo()->hasMicrosoftFastStdCallMangling()) {
if (const Function *F = dyn_cast<Function>(GV)) {
CallingConv::ID CC = F->getCallingConv();
// "Pure" variadic functions do not receive @0 suffix.
(!FT->isVarArg() || FT->getNumParams() == 0 ||
(FT->getNumParams() == 1 && F->hasStructRetAttr())))
- AddFastCallStdCallSuffix(OutName, F, TD);
+ AddFastCallStdCallSuffix(OutName, F, *TM->getDataLayout());
}
}
}
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