land David Blaikie's patch to de-constify Type, with a few tweaks.

[oota-llvm.git] / lib / Transforms / Scalar / SimplifyLibCalls.cpp

diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 7c415e5150dc8d6f42ebc5c4344167a77557f752..ad52417f7f847c34576a207637610102aa699651 100644 (file)
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -134,7 +134,7 @@ namespace {
 struct StrCatOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strcat" function prototype.
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getReturnType() != B.getInt8PtrTy() ||
         FT->getParamType(0) != FT->getReturnType() ||
@@ -184,7 +184,7 @@ struct StrCatOpt : public LibCallOptimization {
 struct StrNCatOpt : public StrCatOpt {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strncat" function prototype.
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 ||
         FT->getReturnType() != B.getInt8PtrTy() ||
         FT->getParamType(0) != FT->getReturnType() ||
@@ -232,7 +232,7 @@ struct StrNCatOpt : public StrCatOpt {
 struct StrChrOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strchr" function prototype.
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getReturnType() != B.getInt8PtrTy() ||
         FT->getParamType(0) != FT->getReturnType() ||
@@ -282,7 +282,7 @@ struct StrChrOpt : public LibCallOptimization {
 struct StrRChrOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strrchr" function prototype.
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getReturnType() != B.getInt8PtrTy() ||
         FT->getParamType(0) != FT->getReturnType() ||
@@ -323,7 +323,7 @@ struct StrRChrOpt : 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         !FT->getReturnType()->isIntegerTy(32) ||
         FT->getParamType(0) != FT->getParamType(1) ||
@@ -371,7 +371,7 @@ struct StrCmpOpt : 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 ||
         !FT->getReturnType()->isIntegerTy(32) ||
         FT->getParamType(0) != FT->getParamType(1) ||
@@ -426,7 +426,7 @@ struct StrCpyOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
     // Verify the "strcpy" function prototype.
     unsigned NumParams = OptChkCall ? 3 : 2;
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != NumParams ||
         FT->getReturnType() != FT->getParamType(0) ||
         FT->getParamType(0) != FT->getParamType(1) ||
@@ -462,7 +462,7 @@ struct StrCpyOpt : public LibCallOptimization {
 
 struct StrNCpyOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
         FT->getParamType(0) != FT->getParamType(1) ||
         FT->getParamType(0) != B.getInt8PtrTy() ||
@@ -511,7 +511,7 @@ struct StrNCpyOpt : public LibCallOptimization {
 
 struct StrLenOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 1 ||
         FT->getParamType(0) != B.getInt8PtrTy() ||
         !FT->getReturnType()->isIntegerTy())
@@ -537,7 +537,7 @@ struct StrLenOpt : public LibCallOptimization {
 
 struct StrPBrkOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getParamType(0) != B.getInt8PtrTy() ||
         FT->getParamType(1) != FT->getParamType(0) ||
@@ -575,7 +575,7 @@ struct StrPBrkOpt : public LibCallOptimization {
 
 struct StrToOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if ((FT->getNumParams() != 2 && FT->getNumParams() != 3) ||
         !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy())
@@ -597,7 +597,7 @@ struct StrToOpt : public LibCallOptimization {
 
 struct StrSpnOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getParamType(0) != B.getInt8PtrTy() ||
         FT->getParamType(1) != FT->getParamType(0) ||
@@ -626,7 +626,7 @@ struct StrSpnOpt : public LibCallOptimization {
 
 struct StrCSpnOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         FT->getParamType(0) != B.getInt8PtrTy() ||
         FT->getParamType(1) != FT->getParamType(0) ||
@@ -658,7 +658,7 @@ struct StrCSpnOpt : public LibCallOptimization {
 
 struct StrStrOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 ||
         !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
@@ -722,7 +722,7 @@ struct StrStrOpt : public LibCallOptimization {
 
 struct MemCmpOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
         !FT->getReturnType()->isIntegerTy(32))
@@ -773,7 +773,7 @@ struct MemCpyOpt : public LibCallOptimization {
     // These optimizations require TargetData.
     if (!TD) return 0;
 
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
         !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
@@ -795,7 +795,7 @@ struct MemMoveOpt : public LibCallOptimization {
     // These optimizations require TargetData.
     if (!TD) return 0;
 
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
         !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
@@ -817,7 +817,7 @@ struct MemSetOpt : public LibCallOptimization {
     // These optimizations require TargetData.
     if (!TD) return 0;
 
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
         !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isIntegerTy() ||
@@ -840,7 +840,7 @@ struct MemSetOpt : public LibCallOptimization {
 
 struct PowOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 2 arguments of the same FP type, which match the
     // result type.
     if (FT->getNumParams() != 2 || FT->getReturnType() != FT->getParamType(0) ||
@@ -895,7 +895,7 @@ struct PowOpt : public LibCallOptimization {
 
 struct Exp2Opt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 1 argument of FP type, which matches the
     // result type.
     if (FT->getNumParams() != 1 || FT->getReturnType() != FT->getParamType(0) ||
@@ -946,7 +946,7 @@ struct Exp2Opt : public LibCallOptimization {
 
 struct UnaryDoubleFPOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 1 || !FT->getReturnType()->isDoubleTy() ||
         !FT->getParamType(0)->isDoubleTy())
       return 0;
@@ -973,7 +973,7 @@ struct UnaryDoubleFPOpt : public LibCallOptimization {
 
 struct FFSOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // Just make sure this has 2 arguments of the same FP type, which match the
     // result type.
     if (FT->getNumParams() != 1 ||
@@ -1009,7 +1009,7 @@ struct FFSOpt : public LibCallOptimization {
 
 struct IsDigitOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // We require integer(i32)
     if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
         !FT->getParamType(0)->isIntegerTy(32))
@@ -1028,7 +1028,7 @@ struct IsDigitOpt : public LibCallOptimization {
 
 struct IsAsciiOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // We require integer(i32)
     if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
         !FT->getParamType(0)->isIntegerTy(32))
@@ -1046,7 +1046,7 @@ struct IsAsciiOpt : public LibCallOptimization {
 
 struct AbsOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // We require integer(integer) where the types agree.
     if (FT->getNumParams() != 1 || !FT->getReturnType()->isIntegerTy() ||
         FT->getParamType(0) != FT->getReturnType())
@@ -1067,7 +1067,7 @@ struct AbsOpt : public LibCallOptimization {
 
 struct ToAsciiOpt : public LibCallOptimization {
   virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     // We require i32(i32)
     if (FT->getNumParams() != 1 || FT->getReturnType() != FT->getParamType(0) ||
         !FT->getParamType(0)->isIntegerTy(32))
@@ -1147,7 +1147,7 @@ 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() < 1 || !FT->getParamType(0)->isPointerTy() ||
         !(FT->getReturnType()->isIntegerTy() ||
           FT->getReturnType()->isVoidTy()))
@@ -1241,7 +1241,7 @@ 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
         !FT->getReturnType()->isIntegerTy())
@@ -1272,7 +1272,7 @@ struct SPrintFOpt : 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 4 || !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isIntegerTy() ||
         !FT->getParamType(2)->isIntegerTy() ||
@@ -1310,7 +1310,7 @@ struct FPutsOpt : public LibCallOptimization {
     if (!TD) return 0;
 
     // Require two pointers.  Also, we can't optimize if return value is used.
-    const FunctionType *FT = Callee->getFunctionType();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
         !CI->use_empty())
@@ -1379,7 +1379,7 @@ 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() != 2 || !FT->getParamType(0)->isPointerTy() ||
         !FT->getParamType(1)->isPointerTy() ||
         !FT->getReturnType()->isIntegerTy())
@@ -1410,7 +1410,7 @@ struct FPrintFOpt : public LibCallOptimization {
 struct PutsOpt : 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();
+    FunctionType *FT = Callee->getFunctionType();
     if (FT->getNumParams() < 1 || !FT->getParamType(0)->isPointerTy() ||
         !(FT->getReturnType()->isIntegerTy() ||
           FT->getReturnType()->isVoidTy()))
@@ -1685,7 +1685,7 @@ void SimplifyLibCalls::setDoesNotAlias(Function &F, unsigned n) {
 
 
 void SimplifyLibCalls::inferPrototypeAttributes(Function &F) {
-  const FunctionType *FTy = F.getFunctionType();
+  FunctionType *FTy = F.getFunctionType();
   
   StringRef Name = F.getName();
   switch (Name[0]) {