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@ -55,68 +55,69 @@ public:
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/// performed. If it returns CI, then it transformed the call and CI is to be
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/// deleted. If it returns something else, replace CI with the new value and
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/// delete CI.
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) =0;
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B)
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=0;
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Value *OptimizeCall(CallInst *CI, const TargetData &TD, IRBuilder &B) {
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Value *OptimizeCall(CallInst *CI, const TargetData &TD, IRBuilder<> &B) {
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Caller = CI->getParent()->getParent();
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this->TD = &TD;
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return CallOptimizer(CI->getCalledFunction(), CI, B);
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}
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/// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*.
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Value *CastToCStr(Value *V, IRBuilder &B);
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Value *CastToCStr(Value *V, IRBuilder<> &B);
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/// EmitStrLen - Emit a call to the strlen function to the builder, for the
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/// specified pointer. Ptr is required to be some pointer type, and the
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/// return value has 'intptr_t' type.
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Value *EmitStrLen(Value *Ptr, IRBuilder &B);
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Value *EmitStrLen(Value *Ptr, IRBuilder<> &B);
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/// EmitMemCpy - Emit a call to the memcpy function to the builder. This
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/// always expects that the size has type 'intptr_t' and Dst/Src are pointers.
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Value *EmitMemCpy(Value *Dst, Value *Src, Value *Len,
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unsigned Align, IRBuilder &B);
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unsigned Align, IRBuilder<> &B);
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/// EmitMemChr - Emit a call to the memchr function. This assumes that Ptr is
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/// a pointer, Val is an i32 value, and Len is an 'intptr_t' value.
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Value *EmitMemChr(Value *Ptr, Value *Val, Value *Len, IRBuilder &B);
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Value *EmitMemChr(Value *Ptr, Value *Val, Value *Len, IRBuilder<> &B);
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/// EmitUnaryFloatFnCall - Emit a call to the unary function named 'Name' (e.g.
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/// 'floor'). This function is known to take a single of type matching 'Op'
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/// and returns one value with the same type. If 'Op' is a long double, 'l'
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/// is added as the suffix of name, if 'Op' is a float, we add a 'f' suffix.
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Value *EmitUnaryFloatFnCall(Value *Op, const char *Name, IRBuilder &B);
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Value *EmitUnaryFloatFnCall(Value *Op, const char *Name, IRBuilder<> &B);
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/// EmitPutChar - Emit a call to the putchar function. This assumes that Char
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/// is an integer.
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void EmitPutChar(Value *Char, IRBuilder &B);
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void EmitPutChar(Value *Char, IRBuilder<> &B);
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/// EmitPutS - Emit a call to the puts function. This assumes that Str is
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/// some pointer.
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void EmitPutS(Value *Str, IRBuilder &B);
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void EmitPutS(Value *Str, IRBuilder<> &B);
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/// EmitFPutC - Emit a call to the fputc function. This assumes that Char is
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/// an i32, and File is a pointer to FILE.
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void EmitFPutC(Value *Char, Value *File, IRBuilder &B);
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void EmitFPutC(Value *Char, Value *File, IRBuilder<> &B);
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/// EmitFPutS - Emit a call to the puts function. Str is required to be a
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/// pointer and File is a pointer to FILE.
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void EmitFPutS(Value *Str, Value *File, IRBuilder &B);
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void EmitFPutS(Value *Str, Value *File, IRBuilder<> &B);
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/// EmitFWrite - Emit a call to the fwrite function. This assumes that Ptr is
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/// a pointer, Size is an 'intptr_t', and File is a pointer to FILE.
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void EmitFWrite(Value *Ptr, Value *Size, Value *File, IRBuilder &B);
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void EmitFWrite(Value *Ptr, Value *Size, Value *File, IRBuilder<> &B);
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};
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} // End anonymous namespace.
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/// CastToCStr - Return V if it is an i8*, otherwise cast it to i8*.
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Value *LibCallOptimization::CastToCStr(Value *V, IRBuilder &B) {
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Value *LibCallOptimization::CastToCStr(Value *V, IRBuilder<> &B) {
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return B.CreateBitCast(V, PointerType::getUnqual(Type::Int8Ty), "cstr");
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}
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/// EmitStrLen - Emit a call to the strlen function to the builder, for the
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/// specified pointer. This always returns an integer value of size intptr_t.
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Value *LibCallOptimization::EmitStrLen(Value *Ptr, IRBuilder &B) {
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Value *LibCallOptimization::EmitStrLen(Value *Ptr, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Constant *StrLen =M->getOrInsertFunction("strlen", TD->getIntPtrType(),
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PointerType::getUnqual(Type::Int8Ty),
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@ -127,7 +128,7 @@ Value *LibCallOptimization::EmitStrLen(Value *Ptr, IRBuilder &B) {
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/// EmitMemCpy - Emit a call to the memcpy function to the builder. This always
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/// expects that the size has type 'intptr_t' and Dst/Src are pointers.
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Value *LibCallOptimization::EmitMemCpy(Value *Dst, Value *Src, Value *Len,
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unsigned Align, IRBuilder &B) {
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unsigned Align, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Intrinsic::ID IID = Len->getType() == Type::Int32Ty ?
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Intrinsic::memcpy_i32 : Intrinsic::memcpy_i64;
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@ -139,7 +140,7 @@ Value *LibCallOptimization::EmitMemCpy(Value *Dst, Value *Src, Value *Len,
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/// EmitMemChr - Emit a call to the memchr function. This assumes that Ptr is
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/// a pointer, Val is an i32 value, and Len is an 'intptr_t' value.
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Value *LibCallOptimization::EmitMemChr(Value *Ptr, Value *Val,
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Value *Len, IRBuilder &B) {
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Value *Len, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Value *MemChr = M->getOrInsertFunction("memchr",
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PointerType::getUnqual(Type::Int8Ty),
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@ -154,7 +155,7 @@ Value *LibCallOptimization::EmitMemChr(Value *Ptr, Value *Val,
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/// returns one value with the same type. If 'Op' is a long double, 'l' is
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/// added as the suffix of name, if 'Op' is a float, we add a 'f' suffix.
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Value *LibCallOptimization::EmitUnaryFloatFnCall(Value *Op, const char *Name,
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IRBuilder &B) {
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IRBuilder<> &B) {
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char NameBuffer[20];
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if (Op->getType() != Type::DoubleTy) {
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// If we need to add a suffix, copy into NameBuffer.
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@ -177,7 +178,7 @@ Value *LibCallOptimization::EmitUnaryFloatFnCall(Value *Op, const char *Name,
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/// EmitPutChar - Emit a call to the putchar function. This assumes that Char
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/// is an integer.
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void LibCallOptimization::EmitPutChar(Value *Char, IRBuilder &B) {
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void LibCallOptimization::EmitPutChar(Value *Char, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Value *F = M->getOrInsertFunction("putchar", Type::Int32Ty,
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Type::Int32Ty, NULL);
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@ -186,7 +187,7 @@ void LibCallOptimization::EmitPutChar(Value *Char, IRBuilder &B) {
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/// EmitPutS - Emit a call to the puts function. This assumes that Str is
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/// some pointer.
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void LibCallOptimization::EmitPutS(Value *Str, IRBuilder &B) {
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void LibCallOptimization::EmitPutS(Value *Str, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Value *F = M->getOrInsertFunction("puts", Type::Int32Ty,
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PointerType::getUnqual(Type::Int8Ty), NULL);
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@ -195,7 +196,7 @@ void LibCallOptimization::EmitPutS(Value *Str, IRBuilder &B) {
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/// EmitFPutC - Emit a call to the fputc function. This assumes that Char is
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/// an integer and File is a pointer to FILE.
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void LibCallOptimization::EmitFPutC(Value *Char, Value *File, IRBuilder &B) {
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void LibCallOptimization::EmitFPutC(Value *Char, Value *File, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Constant *F = M->getOrInsertFunction("fputc", Type::Int32Ty, Type::Int32Ty,
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File->getType(), NULL);
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@ -205,7 +206,7 @@ void LibCallOptimization::EmitFPutC(Value *Char, Value *File, IRBuilder &B) {
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/// EmitFPutS - Emit a call to the puts function. Str is required to be a
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/// pointer and File is a pointer to FILE.
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void LibCallOptimization::EmitFPutS(Value *Str, Value *File, IRBuilder &B) {
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void LibCallOptimization::EmitFPutS(Value *Str, Value *File, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Constant *F = M->getOrInsertFunction("fputs", Type::Int32Ty,
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PointerType::getUnqual(Type::Int8Ty),
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@ -216,7 +217,7 @@ void LibCallOptimization::EmitFPutS(Value *Str, Value *File, IRBuilder &B) {
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/// EmitFWrite - Emit a call to the fwrite function. This assumes that Ptr is
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/// a pointer, Size is an 'intptr_t', and File is a pointer to FILE.
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void LibCallOptimization::EmitFWrite(Value *Ptr, Value *Size, Value *File,
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IRBuilder &B) {
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IRBuilder<> &B) {
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Module *M = Caller->getParent();
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Constant *F = M->getOrInsertFunction("fwrite", TD->getIntPtrType(),
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PointerType::getUnqual(Type::Int8Ty),
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@ -379,7 +380,7 @@ namespace {
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/// ExitOpt - int main() { exit(4); } --> int main() { return 4; }
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struct VISIBILITY_HIDDEN ExitOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify we have a reasonable prototype for exit.
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if (Callee->arg_size() == 0 || !CI->use_empty())
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return 0;
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@ -415,7 +416,7 @@ struct VISIBILITY_HIDDEN ExitOpt : public LibCallOptimization {
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// 'strcat' Optimizations
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struct VISIBILITY_HIDDEN StrCatOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify the "strcat" function prototype.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 ||
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@ -457,7 +458,7 @@ struct VISIBILITY_HIDDEN StrCatOpt : public LibCallOptimization {
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// 'strchr' Optimizations
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struct VISIBILITY_HIDDEN StrChrOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify the "strchr" function prototype.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 ||
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@ -510,7 +511,7 @@ struct VISIBILITY_HIDDEN StrChrOpt : public LibCallOptimization {
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// 'strcmp' Optimizations
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struct VISIBILITY_HIDDEN StrCmpOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify the "strcmp" function prototype.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 || FT->getReturnType() != Type::Int32Ty ||
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@ -543,7 +544,7 @@ struct VISIBILITY_HIDDEN StrCmpOpt : public LibCallOptimization {
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// 'strncmp' Optimizations
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struct VISIBILITY_HIDDEN StrNCmpOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify the "strncmp" function prototype.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 3 || FT->getReturnType() != Type::Int32Ty ||
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@ -589,7 +590,7 @@ struct VISIBILITY_HIDDEN StrNCmpOpt : public LibCallOptimization {
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// 'strcpy' Optimizations
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struct VISIBILITY_HIDDEN StrCpyOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Verify the "strcpy" function prototype.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 || FT->getReturnType() != FT->getParamType(0) ||
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@ -618,7 +619,7 @@ struct VISIBILITY_HIDDEN StrCpyOpt : public LibCallOptimization {
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// 'strlen' Optimizations
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struct VISIBILITY_HIDDEN StrLenOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 1 ||
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FT->getParamType(0) != PointerType::getUnqual(Type::Int8Ty) ||
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@ -644,7 +645,7 @@ struct VISIBILITY_HIDDEN StrLenOpt : public LibCallOptimization {
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// 'memcmp' Optimizations
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struct VISIBILITY_HIDDEN MemCmpOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 3 || !isa<PointerType>(FT->getParamType(0)) ||
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!isa<PointerType>(FT->getParamType(1)) ||
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@ -691,7 +692,7 @@ struct VISIBILITY_HIDDEN MemCmpOpt : public LibCallOptimization {
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// 'memcpy' Optimizations
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struct VISIBILITY_HIDDEN MemCpyOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 3 || FT->getReturnType() != FT->getParamType(0) ||
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!isa<PointerType>(FT->getParamType(0)) ||
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@ -713,7 +714,7 @@ struct VISIBILITY_HIDDEN MemCpyOpt : public LibCallOptimization {
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// 'pow*' Optimizations
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struct VISIBILITY_HIDDEN PowOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// Just make sure this has 2 arguments of the same FP type, which match the
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// result type.
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@ -763,7 +764,7 @@ struct VISIBILITY_HIDDEN PowOpt : public LibCallOptimization {
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// 'exp2' Optimizations
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struct VISIBILITY_HIDDEN Exp2Opt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// Just make sure this has 1 argument of FP type, which matches the
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// result type.
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@ -810,7 +811,7 @@ struct VISIBILITY_HIDDEN Exp2Opt : public LibCallOptimization {
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// Double -> Float Shrinking Optimizations for Unary Functions like 'floor'
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struct VISIBILITY_HIDDEN UnaryDoubleFPOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 1 || FT->getReturnType() != Type::DoubleTy ||
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FT->getParamType(0) != Type::DoubleTy)
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@ -836,7 +837,7 @@ struct VISIBILITY_HIDDEN UnaryDoubleFPOpt : public LibCallOptimization {
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// 'ffs*' Optimizations
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struct VISIBILITY_HIDDEN FFSOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// Just make sure this has 2 arguments of the same FP type, which match the
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// result type.
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@ -871,7 +872,7 @@ struct VISIBILITY_HIDDEN FFSOpt : public LibCallOptimization {
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// 'isdigit' Optimizations
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struct VISIBILITY_HIDDEN IsDigitOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// We require integer(i32)
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if (FT->getNumParams() != 1 || !isa<IntegerType>(FT->getReturnType()) ||
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@ -890,7 +891,7 @@ struct VISIBILITY_HIDDEN IsDigitOpt : public LibCallOptimization {
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// 'isascii' Optimizations
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struct VISIBILITY_HIDDEN IsAsciiOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// We require integer(i32)
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if (FT->getNumParams() != 1 || !isa<IntegerType>(FT->getReturnType()) ||
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@ -908,7 +909,7 @@ struct VISIBILITY_HIDDEN IsAsciiOpt : public LibCallOptimization {
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// 'abs', 'labs', 'llabs' Optimizations
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struct VISIBILITY_HIDDEN AbsOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// We require integer(integer) where the types agree.
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if (FT->getNumParams() != 1 || !isa<IntegerType>(FT->getReturnType()) ||
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@ -929,7 +930,7 @@ struct VISIBILITY_HIDDEN AbsOpt : public LibCallOptimization {
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// 'toascii' Optimizations
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struct VISIBILITY_HIDDEN ToAsciiOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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const FunctionType *FT = Callee->getFunctionType();
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// We require i32(i32)
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if (FT->getNumParams() != 1 || FT->getReturnType() != FT->getParamType(0) ||
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@ -949,7 +950,7 @@ struct VISIBILITY_HIDDEN ToAsciiOpt : public LibCallOptimization {
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// 'printf' Optimizations
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struct VISIBILITY_HIDDEN PrintFOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Require one fixed pointer argument and an integer/void result.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() < 1 || !isa<PointerType>(FT->getParamType(0)) ||
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@ -1009,7 +1010,7 @@ struct VISIBILITY_HIDDEN PrintFOpt : public LibCallOptimization {
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// 'sprintf' Optimizations
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struct VISIBILITY_HIDDEN SPrintFOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Require two fixed pointer arguments and an integer result.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 || !isa<PointerType>(FT->getParamType(0)) ||
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@ -1074,7 +1075,7 @@ struct VISIBILITY_HIDDEN SPrintFOpt : public LibCallOptimization {
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// 'fwrite' Optimizations
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struct VISIBILITY_HIDDEN FWriteOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Require a pointer, an integer, an integer, a pointer, returning integer.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 4 || !isa<PointerType>(FT->getParamType(0)) ||
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@ -1109,7 +1110,7 @@ struct VISIBILITY_HIDDEN FWriteOpt : public LibCallOptimization {
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// 'fputs' Optimizations
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struct VISIBILITY_HIDDEN FPutsOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Require two pointers. Also, we can't optimize if return value is used.
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const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 || !isa<PointerType>(FT->getParamType(0)) ||
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@ -1130,7 +1131,7 @@ struct VISIBILITY_HIDDEN FPutsOpt : public LibCallOptimization {
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// 'fprintf' Optimizations
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struct VISIBILITY_HIDDEN FPrintFOpt : public LibCallOptimization {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder &B) {
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virtual Value *CallOptimizer(Function *Callee, CallInst *CI, IRBuilder<> &B) {
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// Require two fixed paramters as pointers and integer result.
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|
const FunctionType *FT = Callee->getFunctionType();
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if (FT->getNumParams() != 2 || !isa<PointerType>(FT->getParamType(0)) ||
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@ -1293,7 +1294,7 @@ bool SimplifyLibCalls::runOnFunction(Function &F) {
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const TargetData &TD = getAnalysis<TargetData>();
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IRBuilder Builder;
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IRBuilder<> Builder;
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bool Changed = false;
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for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) {
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