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Avoid garbage output in the statistics display by ensuring that the

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strings passed to Statistic's constructor are not destructable. The stats
are printed during static destruction and the SimplifyLibCalls module was
getting destructed before the statistics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21661 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2005-05-03 02:54:54 +00:00
parent e6ec8cc8c6
commit 9974ddab2b
1 changed files with 34 additions and 18 deletions
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52
lib/Transforms/IPO/SimplifyLibCalls.cpp
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@ -65,16 +65,15 @@ public:
/// The \p fname argument must be the name of the library function being
/// optimized by the subclass.
/// @brief Constructor that registers the optimization.
LibCallOptimization(const char * fname )
LibCallOptimization(const char* fname,
const char* stat_name, const char* description )
: func_name(fname)
#ifndef NDEBUG
, stat_name(std::string("simplify-libcalls:")+fname)
, stat_desc(std::string("Number of ")+fname+"(...) calls simplified")
, occurrences(stat_name.c_str(),stat_desc.c_str())
, occurrences(stat_name,description)
#endif
{
// Register this call optimizer in the optlist (a hash_map)
optlist[func_name] = this;
optlist[fname] = this;
}
/// @brief Deregister from the optlist
@ -341,7 +340,8 @@ bool getConstantStringLength(Value* V, uint64_t& len, ConstantArray** A = 0 );
/// @brief Replace calls to exit in main with a simple return
struct ExitInMainOptimization : public LibCallOptimization
{
ExitInMainOptimization() : LibCallOptimization("exit") {}
ExitInMainOptimization() : LibCallOptimization("exit",
"simplify-libcalls:exit","Number of 'exit' calls simplified") {}
virtual ~ExitInMainOptimization() {}
// Make sure the called function looks like exit (int argument, int return
@ -406,7 +406,8 @@ struct StrCatOptimization : public LibCallOptimization
{
public:
/// @brief Default constructor
StrCatOptimization() : LibCallOptimization("strcat") {}
StrCatOptimization() : LibCallOptimization("strcat",
"simplify-libcalls:strcat","Number of 'strcat' calls simplified") {}
public:
/// @breif Destructor
@ -496,7 +497,8 @@ public:
struct StrCmpOptimization : public LibCallOptimization
{
public:
StrCmpOptimization() : LibCallOptimization("strcmp") {}
StrCmpOptimization() : LibCallOptimization("strcmp",
"simplify-libcalls:strcmp","Number of 'strcmp' calls simplified") {}
virtual ~StrCmpOptimization() {}
/// @brief Make sure that the "strcpy" function has the right prototype
@ -580,7 +582,8 @@ public:
struct StrNCmpOptimization : public LibCallOptimization
{
public:
StrNCmpOptimization() : LibCallOptimization("strncmp") {}
StrNCmpOptimization() : LibCallOptimization("strncmp",
"simplify-libcalls:strncmp","Number of 'strncmp' calls simplified") {}
virtual ~StrNCmpOptimization() {}
/// @brief Make sure that the "strcpy" function has the right prototype
@ -682,7 +685,8 @@ public:
struct StrCpyOptimization : public LibCallOptimization
{
public:
StrCpyOptimization() : LibCallOptimization("strcpy") {}
StrCpyOptimization() : LibCallOptimization("strcpy",
"simplify-libcalls:strcpy","Number of 'strcpy' calls simplified") {}
virtual ~StrCpyOptimization() {}
/// @brief Make sure that the "strcpy" function has the right prototype
@ -769,7 +773,8 @@ public:
/// @brief Simplify the strlen library function.
struct StrLenOptimization : public LibCallOptimization
{
StrLenOptimization() : LibCallOptimization("strlen") {}
StrLenOptimization() : LibCallOptimization("strlen",
"simplify-libcalls:strlen","Number of 'strlen' calls simplified") {}
virtual ~StrLenOptimization() {}
/// @brief Make sure that the "strlen" function has the right prototype
@ -806,10 +811,14 @@ struct StrLenOptimization : public LibCallOptimization
struct MemCpyOptimization : public LibCallOptimization
{
/// @brief Default Constructor
MemCpyOptimization() : LibCallOptimization("llvm.memcpy") {}
MemCpyOptimization() : LibCallOptimization("llvm.memcpy",
"simplify-libcalls:llvm.memcpy",
"Number of 'llvm.memcpy' calls simplified") {}
protected:
/// @brief Subclass Constructor
MemCpyOptimization(const char* fname) : LibCallOptimization(fname) {}
MemCpyOptimization(const char* fname, const char* sname, const char* desc)
: LibCallOptimization(fname, sname, desc) {}
public:
/// @brief Destructor
virtual ~MemCpyOptimization() {}
@ -880,7 +889,9 @@ public:
struct MemMoveOptimization : public MemCpyOptimization
{
/// @brief Default Constructor
MemMoveOptimization() : MemCpyOptimization("llvm.memmove") {}
MemMoveOptimization() : MemCpyOptimization("llvm.memmove",
"simplify-libcalls:llvm.memmove",
"Number of 'llvm.memmove' calls simplified") {}
} MemMoveOptimizer;
@ -892,7 +903,9 @@ struct PowOptimization : public LibCallOptimization
{
public:
/// @brief Default Constructor
PowOptimization() : LibCallOptimization("pow") {}
PowOptimization() : LibCallOptimization("pow",
"simplify-libcalls:pow", "Number of 'pow' calls simplified") {}
/// @brief Destructor
virtual ~PowOptimization() {}
@ -967,7 +980,8 @@ struct FPrintFOptimization : public LibCallOptimization
{
public:
/// @brief Default Constructor
FPrintFOptimization() : LibCallOptimization("fprintf") {}
FPrintFOptimization() : LibCallOptimization("fprintf",
"simplify-libcalls:fprintf", "Number of 'fprintf' calls simplified") {}
/// @brief Destructor
virtual ~FPrintFOptimization() {}
@ -1093,7 +1107,8 @@ struct PutsOptimization : public LibCallOptimization
{
public:
/// @brief Default Constructor
PutsOptimization() : LibCallOptimization("fputs") {}
PutsOptimization() : LibCallOptimization("fputs",
"simplify-libcalls:fputs", "Number of 'fputs' calls simplified") {}
/// @brief Destructor
virtual ~PutsOptimization() {}
@ -1166,7 +1181,8 @@ struct ToAsciiOptimization : public LibCallOptimization
{
public:
/// @brief Default Constructor
ToAsciiOptimization() : LibCallOptimization("toascii") {}
ToAsciiOptimization() : LibCallOptimization("toascii",
"simplify-libcalls:toascii", "Number of 'toascii' calls simplified") {}
/// @brief Destructor
virtual ~ToAsciiOptimization() {}