6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-28 06:29:45 +00:00
Code Issues Projects Releases Wiki Activity

80-col violations, trailing whitespace.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92470 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2010-01-04 07:55:25 +00:00
parent 5f0290e0ef
commit ed5cb593ef
1 changed files with 20 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
lib/Transforms/Scalar/SimplifyLibCalls.cpp
View File

@ -80,7 +80,7 @@ public:
/// specified pointer and character. Ptr is required to be some pointer type,
/// and the return value has 'i8*' type.
Value *EmitStrChr(Value *Ptr, char C, IRBuilder<> &B);
/// EmitMemCpy - Emit a call to the memcpy function to the builder. This
/// always expects that the size has type 'intptr_t' and Dst/Src are pointers.
Value *EmitMemCpy(Value *Dst, Value *Src, Value *Len,
@ -101,10 +101,11 @@ public:
/// EmitMemSet - Emit a call to the memset function
Value *EmitMemSet(Value *Dst, Value *Val, Value *Len, IRBuilder<> &B);
/// EmitUnaryFloatFnCall - Emit a call to the unary function named 'Name' (e.g.
/// 'floor'). This function is known to take a single of type matching 'Op'
/// and returns one value with the same type. If 'Op' is a long double, 'l'
/// is added as the suffix of name, if 'Op' is a float, we add a 'f' suffix.
/// EmitUnaryFloatFnCall - Emit a call to the unary function named 'Name'
/// (e.g. 'floor'). This function is known to take a single of type matching
/// 'Op' and returns one value with the same type. If 'Op' is a long double,
/// 'l' is added as the suffix of name, if 'Op' is a float, we add a 'f'
/// suffix.
Value *EmitUnaryFloatFnCall(Value *Op, const char *Name, IRBuilder<> &B,
const AttrListPtr &Attrs);
@ -163,7 +164,7 @@ Value *LibCallOptimization::EmitStrChr(Value *Ptr, char C, IRBuilder<> &B) {
Module *M = Caller->getParent();
AttributeWithIndex AWI =
AttributeWithIndex::get(~0u, Attribute::ReadOnly | Attribute::NoUnwind);
const Type *I8Ptr = Type::getInt8PtrTy(*Context);
const Type *I32Ty = Type::getInt32Ty(*Context);
Constant *StrChr = M->getOrInsertFunction("strchr", AttrListPtr::get(&AWI, 1),
@ -678,7 +679,8 @@ struct StrChrOpt : public LibCallOptimization {
uint64_t Len = GetStringLength(SrcStr);
if (Len == 0 ||
FT->getParamType(1) != Type::getInt32Ty(*Context)) // memchr needs i32.
FT->getParamType(1) != Type::getInt32Ty(*Context)) // memchr needs
// i32.
return 0;
return EmitMemChr(SrcStr, CI->getOperand(2), // include nul.
@ -949,20 +951,20 @@ struct StrStrOpt : public LibCallOptimization {
// fold strstr(x, x) -> x.
if (CI->getOperand(1) == CI->getOperand(2))
return B.CreateBitCast(CI->getOperand(1), CI->getType());
// See if either input string is a constant string.
std::string SearchStr, ToFindStr;
bool HasStr1 = GetConstantStringInfo(CI->getOperand(1), SearchStr);
bool HasStr2 = GetConstantStringInfo(CI->getOperand(2), ToFindStr);
// fold strstr(x, "") -> x.
if (HasStr2 && ToFindStr.empty())
return B.CreateBitCast(CI->getOperand(1), CI->getType());
// If both strings are known, constant fold it.
if (HasStr1 && HasStr2) {
std::string::size_type Offset = SearchStr.find(ToFindStr);
if (Offset == std::string::npos) // strstr("foo", "bar") -> null
return Constant::getNullValue(CI->getType());
@ -971,7 +973,7 @@ struct StrStrOpt : public LibCallOptimization {
Result = B.CreateConstInBoundsGEP1_64(Result, Offset, "strstr");
return B.CreateBitCast(Result, CI->getType());
}
// fold strstr(x, "y") -> strchr(x, 'y').
if (HasStr2 && ToFindStr.size() == 1)
return B.CreateBitCast(EmitStrChr(CI->getOperand(1), ToFindStr[0], B),
@ -979,7 +981,7 @@ struct StrStrOpt : public LibCallOptimization {
return 0;
}
};
//===---------------------------------------===//
// 'memcmp' Optimizations
@ -1558,7 +1560,8 @@ struct SPrintFOpt : public LibCallOptimization {
// sprintf(str, fmt) -> llvm.memcpy(str, fmt, strlen(fmt)+1, 1)
EmitMemCpy(CI->getOperand(1), CI->getOperand(2), // Copy the nul byte.
ConstantInt::get(TD->getIntPtrType(*Context), FormatStr.size()+1),1,B);
ConstantInt::get
(TD->getIntPtrType(*Context), FormatStr.size()+1),1,B);
return ConstantInt::get(CI->getType(), FormatStr.size());
}
@ -1688,8 +1691,9 @@ struct FPrintFOpt : public LibCallOptimization {
// These optimizations require TargetData.
if (!TD) return 0;
EmitFWrite(CI->getOperand(2), ConstantInt::get(TD->getIntPtrType(*Context),
FormatStr.size()),
EmitFWrite(CI->getOperand(2),
ConstantInt::get(TD->getIntPtrType(*Context),
FormatStr.size()),
CI->getOperand(1), B);
return ConstantInt::get(CI->getType(), FormatStr.size());
}