Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in

the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33939 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 32 deletions

diff --git a/lib/Transforms/IPO/SimplifyLibCalls.cpp b/lib/Transforms/IPO/SimplifyLibCalls.cpp
index 3ace4b365f..51d70b1dac 100644
--- a/lib/Transforms/IPO/SimplifyLibCalls.cpp
+++ b/lib/Transforms/IPO/SimplifyLibCalls.cpp
@@ -26,6 +26,7 @@
 #include "llvm/ADT/hash_map"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Config/config.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Transforms/IPO.h"
@@ -62,7 +63,7 @@ static LibCallOptimization *OptList = 0;
 /// generally short-circuit actually calling the function if there's a simpler
 /// way (e.g. strlen(X) can be reduced to a constant if X is a constant global).
 /// @brief Base class for library call optimizations
-class LibCallOptimization {
+class VISIBILITY_HIDDEN LibCallOptimization {
   LibCallOptimization **Prev, *Next;
   const char *FunctionName; ///< Name of the library call we optimize
 #ifndef NDEBUG
@@ -142,7 +143,7 @@ public:
 /// validate the call (ValidateLibraryCall). If it is validated, then
 /// the OptimizeCall method is also called.
 /// @brief A ModulePass for optimizing well-known function calls.
-class SimplifyLibCalls : public ModulePass {
+class VISIBILITY_HIDDEN SimplifyLibCalls : public ModulePass {
 public:
   /// We need some target data for accurate signature details that are
   /// target dependent. So we require target data in our AnalysisUsage.
@@ -383,15 +384,16 @@ ModulePass *llvm::createSimplifyLibCallsPass() {
 namespace {
 
 // Forward declare utility functions.
-bool getConstantStringLength(Value* V, uint64_t& len, ConstantArray** A = 0 );
-Value *CastToCStr(Value *V, Instruction &IP);
+static bool getConstantStringLength(Value* V, uint64_t& len, 
+                                    ConstantArray** A = 0 );
+static Value *CastToCStr(Value *V, Instruction &IP);
 
 /// This LibCallOptimization will find instances of a call to "exit" that occurs
 /// within the "main" function and change it to a simple "ret" instruction with
 /// the same value passed to the exit function. When this is done, it splits the
 /// basic block at the exit(3) call and deletes the call instruction.
 /// @brief Replace calls to exit in main with a simple return
-struct ExitInMainOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN ExitInMainOptimization : public LibCallOptimization {
   ExitInMainOptimization() : LibCallOptimization("exit",
       "Number of 'exit' calls simplified") {}
 
@@ -447,7 +449,7 @@ struct ExitInMainOptimization : public LibCallOptimization {
 /// of the constant string. Both of these calls are further reduced, if possible
 /// on subsequent passes.
 /// @brief Simplify the strcat library function.
-struct StrCatOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrCatOptimization : public LibCallOptimization {
 public:
   /// @brief Default constructor
   StrCatOptimization() : LibCallOptimization("strcat",
@@ -530,7 +532,7 @@ public:
 /// function.  It optimizes out cases where the arguments are both constant
 /// and the result can be determined statically.
 /// @brief Simplify the strcmp library function.
-struct StrChrOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrChrOptimization : public LibCallOptimization {
 public:
   StrChrOptimization() : LibCallOptimization("strchr",
       "Number of 'strchr' calls simplified") {}
@@ -611,7 +613,7 @@ public:
 /// function.  It optimizes out cases where one or both arguments are constant
 /// and the result can be determined statically.
 /// @brief Simplify the strcmp library function.
-struct StrCmpOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrCmpOptimization : public LibCallOptimization {
 public:
   StrCmpOptimization() : LibCallOptimization("strcmp",
       "Number of 'strcmp' calls simplified") {}
@@ -688,7 +690,7 @@ public:
 /// function.  It optimizes out cases where one or both arguments are constant
 /// and the result can be determined statically.
 /// @brief Simplify the strncmp library function.
-struct StrNCmpOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrNCmpOptimization : public LibCallOptimization {
 public:
   StrNCmpOptimization() : LibCallOptimization("strncmp",
       "Number of 'strncmp' calls simplified") {}
@@ -781,7 +783,7 @@ public:
 /// (1) If src and dest are the same and not volatile, just return dest
 /// (2) If the src is a constant then we can convert to llvm.memmove
 /// @brief Simplify the strcpy library function.
-struct StrCpyOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrCpyOptimization : public LibCallOptimization {
 public:
   StrCpyOptimization() : LibCallOptimization("strcpy",
       "Number of 'strcpy' calls simplified") {}
@@ -859,7 +861,7 @@ public:
 /// function by replacing it with a constant value if the string provided to
 /// it is a constant array.
 /// @brief Simplify the strlen library function.
-struct StrLenOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN StrLenOptimization : public LibCallOptimization {
   StrLenOptimization() : LibCallOptimization("strlen",
       "Number of 'strlen' calls simplified") {}
 
@@ -947,7 +949,7 @@ static bool IsOnlyUsedInEqualsZeroComparison(Instruction *I) {
 
 /// This memcmpOptimization will simplify a call to the memcmp library
 /// function.
-struct memcmpOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN memcmpOptimization : public LibCallOptimization {
   /// @brief Default Constructor
   memcmpOptimization()
     : LibCallOptimization("memcmp", "Number of 'memcmp' calls simplified") {}
@@ -1052,7 +1054,7 @@ struct memcmpOptimization : public LibCallOptimization {
 /// bytes depending on the length of the string and the alignment. Additional
 /// optimizations are possible in code generation (sequence of immediate store)
 /// @brief Simplify the memcpy library function.
-struct LLVMMemCpyMoveOptzn : public LibCallOptimization {
+struct VISIBILITY_HIDDEN LLVMMemCpyMoveOptzn : public LibCallOptimization {
   LLVMMemCpyMoveOptzn(const char* fname, const char* desc)
   : LibCallOptimization(fname, desc) {}
 
@@ -1129,7 +1131,7 @@ LLVMMemCpyMoveOptzn LLVMMemMoveOptimizer64("llvm.memmove.i64",
 /// This LibCallOptimization will simplify a call to the memset library
 /// function by expanding it out to a single store of size 0, 1, 2, 4, or 8
 /// bytes depending on the length argument.
-struct LLVMMemSetOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN LLVMMemSetOptimization : public LibCallOptimization {
   /// @brief Default Constructor
   LLVMMemSetOptimization(const char *Name) : LibCallOptimization(Name,
       "Number of 'llvm.memset' calls simplified") {}
@@ -1232,7 +1234,7 @@ LLVMMemSetOptimization MemSet64Optimizer("llvm.memset.i64");
 /// function. It looks for cases where the result of pow is well known and
 /// substitutes the appropriate value.
 /// @brief Simplify the pow library function.
-struct PowOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN PowOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   PowOptimization() : LibCallOptimization("pow",
@@ -1293,7 +1295,7 @@ public:
 /// function. It looks for cases where the result of printf is not used and the
 /// operation can be reduced to something simpler.
 /// @brief Simplify the printf library function.
-struct PrintfOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN PrintfOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   PrintfOptimization() : LibCallOptimization("printf",
@@ -1371,7 +1373,7 @@ public:
 /// function. It looks for cases where the result of fprintf is not used and the
 /// operation can be reduced to something simpler.
 /// @brief Simplify the fprintf library function.
-struct FPrintFOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN FPrintFOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   FPrintFOptimization() : LibCallOptimization("fprintf",
@@ -1491,7 +1493,7 @@ public:
 /// function. It looks for cases where the result of sprintf is not used and the
 /// operation can be reduced to something simpler.
 /// @brief Simplify the sprintf library function.
-struct SPrintFOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN SPrintFOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   SPrintFOptimization() : LibCallOptimization("sprintf",
@@ -1614,7 +1616,7 @@ public:
 /// function. It looks for cases where the result of fputs is not used and the
 /// operation can be reduced to something simpler.
 /// @brief Simplify the puts library function.
-struct PutsOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN PutsOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   PutsOptimization() : LibCallOptimization("fputs",
@@ -1675,7 +1677,7 @@ public:
 /// This LibCallOptimization will simplify calls to the "isdigit" library
 /// function. It simply does range checks the parameter explicitly.
 /// @brief Simplify the isdigit library function.
-struct isdigitOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN isdigitOptimization : public LibCallOptimization {
 public:
   isdigitOptimization() : LibCallOptimization("isdigit",
       "Number of 'isdigit' calls simplified") {}
@@ -1716,7 +1718,7 @@ public:
   }
 } isdigitOptimizer;
 
-struct isasciiOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN isasciiOptimization : public LibCallOptimization {
 public:
   isasciiOptimization()
     : LibCallOptimization("isascii", "Number of 'isascii' calls simplified") {}
@@ -1746,7 +1748,7 @@ public:
 /// function. It simply does the corresponding and operation to restrict the
 /// range of values to the ASCII character set (0-127).
 /// @brief Simplify the toascii library function.
-struct ToAsciiOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN ToAsciiOptimization : public LibCallOptimization {
 public:
   /// @brief Default Constructor
   ToAsciiOptimization() : LibCallOptimization("toascii",
@@ -1775,7 +1777,7 @@ public:
 /// optimization is to compute the result at compile time if the argument is
 /// a constant.
 /// @brief Simplify the ffs library function.
-struct FFSOptimization : public LibCallOptimization {
+struct VISIBILITY_HIDDEN FFSOptimization : public LibCallOptimization {
 protected:
   /// @brief Subclass Constructor
   FFSOptimization(const char* funcName, const char* description)
@@ -1855,7 +1857,7 @@ public:
 /// calls. It simply uses FFSOptimization for which the transformation is
 /// identical.
 /// @brief Simplify the ffsl library function.
-struct FFSLOptimization : public FFSOptimization {
+struct VISIBILITY_HIDDEN FFSLOptimization : public FFSOptimization {
 public:
   /// @brief Default Constructor
   FFSLOptimization() : FFSOptimization("ffsl",
@@ -1867,7 +1869,7 @@ public:
 /// calls. It simply uses FFSOptimization for which the transformation is
 /// identical.
 /// @brief Simplify the ffsl library function.
-struct FFSLLOptimization : public FFSOptimization {
+struct VISIBILITY_HIDDEN FFSLLOptimization : public FFSOptimization {
 public:
   /// @brief Default Constructor
   FFSLLOptimization() : FFSOptimization("ffsll",
@@ -1909,7 +1911,7 @@ struct UnaryDoubleFPOptimizer : public LibCallOptimization {
 };
 
 
-struct FloorOptimization : public UnaryDoubleFPOptimizer {
+struct VISIBILITY_HIDDEN FloorOptimization : public UnaryDoubleFPOptimizer {
   FloorOptimization()
     : UnaryDoubleFPOptimizer("floor", "Number of 'floor' calls simplified") {}
   
@@ -1923,7 +1925,7 @@ struct FloorOptimization : public UnaryDoubleFPOptimizer {
   }
 } FloorOptimizer;
 
-struct CeilOptimization : public UnaryDoubleFPOptimizer {
+struct VISIBILITY_HIDDEN CeilOptimization : public UnaryDoubleFPOptimizer {
   CeilOptimization()
   : UnaryDoubleFPOptimizer("ceil", "Number of 'ceil' calls simplified") {}
   
@@ -1937,7 +1939,7 @@ struct CeilOptimization : public UnaryDoubleFPOptimizer {
   }
 } CeilOptimizer;
 
-struct RoundOptimization : public UnaryDoubleFPOptimizer {
+struct VISIBILITY_HIDDEN RoundOptimization : public UnaryDoubleFPOptimizer {
   RoundOptimization()
   : UnaryDoubleFPOptimizer("round", "Number of 'round' calls simplified") {}
   
@@ -1951,7 +1953,7 @@ struct RoundOptimization : public UnaryDoubleFPOptimizer {
   }
 } RoundOptimizer;
 
-struct RintOptimization : public UnaryDoubleFPOptimizer {
+struct VISIBILITY_HIDDEN RintOptimization : public UnaryDoubleFPOptimizer {
   RintOptimization()
   : UnaryDoubleFPOptimizer("rint", "Number of 'rint' calls simplified") {}
   
@@ -1965,7 +1967,7 @@ struct RintOptimization : public UnaryDoubleFPOptimizer {
   }
 } RintOptimizer;
 
-struct NearByIntOptimization : public UnaryDoubleFPOptimizer {
+struct VISIBILITY_HIDDEN NearByIntOptimization : public UnaryDoubleFPOptimizer {
   NearByIntOptimization()
   : UnaryDoubleFPOptimizer("nearbyint",
                            "Number of 'nearbyint' calls simplified") {}
@@ -1990,7 +1992,8 @@ struct NearByIntOptimization : public UnaryDoubleFPOptimizer {
 /// of the null-terminated string. If false is returned, the conditions were
 /// not met and len is set to 0.
 /// @brief Get the length of a constant string (null-terminated array).
-bool getConstantStringLength(Value *V, uint64_t &len, ConstantArray **CA) {
+static bool getConstantStringLength(Value *V, uint64_t &len, ConstantArray **CA)
+{
   assert(V != 0 && "Invalid args to getConstantStringLength");
   len = 0; // make sure we initialize this
   User* GEP = 0;
@@ -2079,7 +2082,7 @@ bool getConstantStringLength(Value *V, uint64_t &len, ConstantArray **CA) {
 /// CastToCStr - Return V if it is an sbyte*, otherwise cast it to sbyte*,
 /// inserting the cast before IP, and return the cast.
 /// @brief Cast a value to a "C" string.
-Value *CastToCStr(Value *V, Instruction &IP) {
+static Value *CastToCStr(Value *V, Instruction &IP) {
   assert(isa<PointerType>(V->getType()) && 
          "Can't cast non-pointer type to C string type");
   const Type *SBPTy = PointerType::get(Type::Int8Ty);