eliminate VISIBILITY_HIDDEN from Transforms/Scalar.  PR4861


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80766 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 761c309..32a5473 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -30,7 +30,6 @@
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Config/config.h"
@@ -46,7 +45,7 @@
 /// This class is the abstract base class for the set of optimizations that
 /// corresponds to one library call.
 namespace {
-class VISIBILITY_HIDDEN LibCallOptimization {
+class LibCallOptimization {
 protected:
   Function *Caller;
   const TargetData *TD;
@@ -508,7 +507,7 @@
 // 'exit' Optimizations
 
 /// ExitOpt - int main() { exit(4); } --> int main() { return 4; }
-struct VISIBILITY_HIDDEN ExitOpt : public LibCallOptimization {
+struct ExitOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify we have a reasonable prototype for exit.
     if (Callee->arg_size() == 0 || !CI->use_empty())
@@ -552,7 +551,7 @@
 //===---------------------------------------===//
 // 'strcat' Optimizations
 
-struct VISIBILITY_HIDDEN StrCatOpt : public LibCallOptimization {
+struct StrCatOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strcat" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -602,7 +601,7 @@
 //===---------------------------------------===//
 // 'strncat' Optimizations
 
-struct VISIBILITY_HIDDEN StrNCatOpt : public StrCatOpt {
+struct StrNCatOpt : public StrCatOpt {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strncat" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -650,7 +649,7 @@
 //===---------------------------------------===//
 // 'strchr' Optimizations
 
-struct VISIBILITY_HIDDEN StrChrOpt : public LibCallOptimization {
+struct StrChrOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strchr" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -706,7 +705,7 @@
 //===---------------------------------------===//
 // 'strcmp' Optimizations
 
-struct VISIBILITY_HIDDEN StrCmpOpt : public LibCallOptimization {
+struct StrCmpOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strcmp" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -753,7 +752,7 @@
 //===---------------------------------------===//
 // 'strncmp' Optimizations
 
-struct VISIBILITY_HIDDEN StrNCmpOpt : public LibCallOptimization {
+struct StrNCmpOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strncmp" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -799,7 +798,7 @@
 //===---------------------------------------===//
 // 'strcpy' Optimizations
 
-struct VISIBILITY_HIDDEN StrCpyOpt : public LibCallOptimization {
+struct StrCpyOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strcpy" function prototype.
     const FunctionType *FT = Callee->getFunctionType();
@@ -830,7 +829,7 @@
 //===---------------------------------------===//
 // 'strncpy' Optimizations
 
-struct VISIBILITY_HIDDEN StrNCpyOpt : public LibCallOptimization {
+struct StrNCpyOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
@@ -879,7 +878,7 @@
 //===---------------------------------------===//
 // 'strlen' Optimizations
 
-struct VISIBILITY_HIDDEN StrLenOpt : public LibCallOptimization {
+struct StrLenOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 1 ||
@@ -905,7 +904,7 @@
 //===---------------------------------------===//
 // 'strto*' Optimizations
 
-struct VISIBILITY_HIDDEN StrToOpt : public LibCallOptimization {
+struct StrToOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if ((FT->getNumParams() != 2 && FT->getNumParams() != 3) ||
@@ -927,7 +926,7 @@
 //===---------------------------------------===//
 // 'memcmp' Optimizations
 
-struct VISIBILITY_HIDDEN MemCmpOpt : public LibCallOptimization {
+struct MemCmpOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || !isa<PointerType>(FT->getParamType(0)) ||
@@ -974,7 +973,7 @@
 //===---------------------------------------===//
 // 'memcpy' Optimizations
 
-struct VISIBILITY_HIDDEN MemCpyOpt : public LibCallOptimization {
+struct MemCpyOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // These optimizations require TargetData.
     if (!TD) return 0;
@@ -995,7 +994,7 @@
 //===---------------------------------------===//
 // 'memmove' Optimizations
 
-struct VISIBILITY_HIDDEN MemMoveOpt : public LibCallOptimization {
+struct MemMoveOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // These optimizations require TargetData.
     if (!TD) return 0;
@@ -1025,7 +1024,7 @@
 //===---------------------------------------===//
 // 'memset' Optimizations
 
-struct VISIBILITY_HIDDEN MemSetOpt : public LibCallOptimization {
+struct MemSetOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // These optimizations require TargetData.
     if (!TD) return 0;
@@ -1051,7 +1050,7 @@
 //===---------------------------------------===//
 // 'pow*' Optimizations
 
-struct VISIBILITY_HIDDEN PowOpt : public LibCallOptimization {
+struct PowOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 2 arguments of the same FP type, which match the
@@ -1102,7 +1101,7 @@
 //===---------------------------------------===//
 // 'exp2' Optimizations
 
-struct VISIBILITY_HIDDEN Exp2Opt : public LibCallOptimization {
+struct Exp2Opt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 1 argument of FP type, which matches the
@@ -1152,7 +1151,7 @@
 //===---------------------------------------===//
 // Double -> Float Shrinking Optimizations for Unary Functions like 'floor'
 
-struct VISIBILITY_HIDDEN UnaryDoubleFPOpt : public LibCallOptimization {
+struct UnaryDoubleFPOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 1 || FT->getReturnType() != Type::getDoubleTy(*Context) ||
@@ -1178,7 +1177,7 @@
 //===---------------------------------------===//
 // 'ffs*' Optimizations
 
-struct VISIBILITY_HIDDEN FFSOpt : public LibCallOptimization {
+struct FFSOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 2 arguments of the same FP type, which match the
@@ -1213,7 +1212,7 @@
 //===---------------------------------------===//
 // 'isdigit' Optimizations
 
-struct VISIBILITY_HIDDEN IsDigitOpt : public LibCallOptimization {
+struct IsDigitOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // We require integer(i32)
@@ -1234,7 +1233,7 @@
 //===---------------------------------------===//
 // 'isascii' Optimizations
 
-struct VISIBILITY_HIDDEN IsAsciiOpt : public LibCallOptimization {
+struct IsAsciiOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // We require integer(i32)
@@ -1253,7 +1252,7 @@
 //===---------------------------------------===//
 // 'abs', 'labs', 'llabs' Optimizations
 
-struct VISIBILITY_HIDDEN AbsOpt : public LibCallOptimization {
+struct AbsOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // We require integer(integer) where the types agree.
@@ -1275,7 +1274,7 @@
 //===---------------------------------------===//
 // 'toascii' Optimizations
 
-struct VISIBILITY_HIDDEN ToAsciiOpt : public LibCallOptimization {
+struct ToAsciiOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     const FunctionType *FT = Callee->getFunctionType();
     // We require i32(i32)
@@ -1296,7 +1295,7 @@
 //===---------------------------------------===//
 // 'printf' Optimizations
 
-struct VISIBILITY_HIDDEN PrintFOpt : public LibCallOptimization {
+struct PrintFOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Require one fixed pointer argument and an integer/void result.
     const FunctionType *FT = Callee->getFunctionType();
@@ -1359,7 +1358,7 @@
 //===---------------------------------------===//
 // 'sprintf' Optimizations
 
-struct VISIBILITY_HIDDEN SPrintFOpt : public LibCallOptimization {
+struct SPrintFOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Require two fixed pointer arguments and an integer result.
     const FunctionType *FT = Callee->getFunctionType();
@@ -1431,7 +1430,7 @@
 //===---------------------------------------===//
 // 'fwrite' Optimizations
 
-struct VISIBILITY_HIDDEN FWriteOpt : public LibCallOptimization {
+struct FWriteOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Require a pointer, an integer, an integer, a pointer, returning integer.
     const FunctionType *FT = Callee->getFunctionType();
@@ -1466,7 +1465,7 @@
 //===---------------------------------------===//
 // 'fputs' Optimizations
 
-struct VISIBILITY_HIDDEN FPutsOpt : public LibCallOptimization {
+struct FPutsOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // These optimizations require TargetData.
     if (!TD) return 0;
@@ -1491,7 +1490,7 @@
 //===---------------------------------------===//
 // 'fprintf' Optimizations
 
-struct VISIBILITY_HIDDEN FPrintFOpt : public LibCallOptimization {
+struct FPrintFOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Require two fixed paramters as pointers and integer result.
     const FunctionType *FT = Callee->getFunctionType();
@@ -1553,7 +1552,7 @@
 namespace {
   /// This pass optimizes well known library functions from libc and libm.
   ///
-  class VISIBILITY_HIDDEN SimplifyLibCalls : public FunctionPass {
+  class SimplifyLibCalls : public FunctionPass {
     StringMap<LibCallOptimization*> Optimizations;
     // Miscellaneous LibCall Optimizations
     ExitOpt Exit;