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Add new option to leave asm names alone

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30149 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-09-07 18:20:41 +00:00
parent 81fe06a112
commit 833eb68a1f
2 changed files with 14 additions and 1 deletions
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8
include/llvm/Support/Mangler.h
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@ -35,6 +35,10 @@ class Mangler {
/// the space character. By default, this is false. /// the space character. By default, this is false.
bool UseQuotes; bool UseQuotes;
/// PreserveAsmNames - If this is set, the asm escape character is not removed
/// from names with 'asm' specifiers.
bool PreserveAsmNames;
/// Memo - This is used to remember the name that we assign a value. /// Memo - This is used to remember the name that we assign a value.
/// ///
std::map<const Value*, std::string> Memo; std::map<const Value*, std::string> Memo;
@ -66,6 +70,10 @@ public:
/// strings for assembler labels. /// strings for assembler labels.
void setUseQuotes(bool Val) { UseQuotes = Val; } void setUseQuotes(bool Val) { UseQuotes = Val; }
/// setPreserveAsmNames - If the mangler should not strip off the asm name
/// identifier (\001), this should be set.
void setPreserveAsmNames(bool Val) { PreserveAsmNames = Val; }
/// Acceptable Characters - This allows the target to specify which characters /// Acceptable Characters - This allows the target to specify which characters
/// are acceptable to the assembler without being mangled. By default we /// are acceptable to the assembler without being mangled. By default we
/// allow letters, numbers, '_', '$', and '.', which is what GAS accepts. /// allow letters, numbers, '_', '$', and '.', which is what GAS accepts.

7
lib/VMCore/Mangler.cpp
View File

@ -33,6 +33,10 @@ std::string Mangler::makeNameProper(const std::string &X, const char *Prefix) {
std::string Result; std::string Result;
if (X.empty()) return X; // Empty names are uniqued by the caller. if (X.empty()) return X; // Empty names are uniqued by the caller.
// If PreserveAsmNames is set, names with asm identifiers are not modified.
if (PreserveAsmNames && X[0] == 1)
return X;
if (!UseQuotes) { if (!UseQuotes) {
// If X does not start with (char)1, add the prefix. // If X does not start with (char)1, add the prefix.
std::string::const_iterator I = X.begin(); std::string::const_iterator I = X.begin();
@ -174,7 +178,8 @@ void Mangler::InsertName(GlobalValue *GV,
Mangler::Mangler(Module &M, const char *prefix) Mangler::Mangler(Module &M, const char *prefix)
: Prefix(prefix), UseQuotes(false), Count(0), TypeCounter(0) { : Prefix(prefix), UseQuotes(false), PreserveAsmNames(false),
Count(0), TypeCounter(0) {
std::fill(AcceptableChars, std::fill(AcceptableChars,
AcceptableChars+sizeof(AcceptableChars)/sizeof(AcceptableChars[0]), AcceptableChars+sizeof(AcceptableChars)/sizeof(AcceptableChars[0]),
0); 0);