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80-col violations, trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92470 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -80,7 +80,7 @@ public:
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/// specified pointer and character. Ptr is required to be some pointer type,
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/// and the return value has 'i8*' type.
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Value *EmitStrChr(Value *Ptr, char C, 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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@ -101,10 +101,11 @@ public:
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/// EmitMemSet - Emit a call to the memset function
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Value *EmitMemSet(Value *Dst, 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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/// EmitUnaryFloatFnCall - Emit a call to the unary function named 'Name'
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/// (e.g. 'floor'). This function is known to take a single of type matching
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/// 'Op' and returns one value with the same type. If 'Op' is a long double,
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/// 'l' is added as the suffix of name, if 'Op' is a float, we add a 'f'
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/// suffix.
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Value *EmitUnaryFloatFnCall(Value *Op, const char *Name, IRBuilder<> &B,
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const AttrListPtr &Attrs);
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@ -163,7 +164,7 @@ Value *LibCallOptimization::EmitStrChr(Value *Ptr, char C, IRBuilder<> &B) {
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Module *M = Caller->getParent();
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AttributeWithIndex AWI =
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AttributeWithIndex::get(~0u, Attribute::ReadOnly | Attribute::NoUnwind);
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const Type *I8Ptr = Type::getInt8PtrTy(*Context);
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const Type *I32Ty = Type::getInt32Ty(*Context);
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Constant *StrChr = M->getOrInsertFunction("strchr", AttrListPtr::get(&AWI, 1),
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@ -678,7 +679,8 @@ struct StrChrOpt : public LibCallOptimization {
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uint64_t Len = GetStringLength(SrcStr);
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if (Len == 0 ||
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FT->getParamType(1) != Type::getInt32Ty(*Context)) // memchr needs i32.
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FT->getParamType(1) != Type::getInt32Ty(*Context)) // memchr needs
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// i32.
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return 0;
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return EmitMemChr(SrcStr, CI->getOperand(2), // include nul.
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@ -949,20 +951,20 @@ struct StrStrOpt : public LibCallOptimization {
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// fold strstr(x, x) -> x.
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if (CI->getOperand(1) == CI->getOperand(2))
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return B.CreateBitCast(CI->getOperand(1), CI->getType());
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// See if either input string is a constant string.
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std::string SearchStr, ToFindStr;
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bool HasStr1 = GetConstantStringInfo(CI->getOperand(1), SearchStr);
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bool HasStr2 = GetConstantStringInfo(CI->getOperand(2), ToFindStr);
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// fold strstr(x, "") -> x.
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if (HasStr2 && ToFindStr.empty())
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return B.CreateBitCast(CI->getOperand(1), CI->getType());
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// If both strings are known, constant fold it.
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if (HasStr1 && HasStr2) {
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std::string::size_type Offset = SearchStr.find(ToFindStr);
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if (Offset == std::string::npos) // strstr("foo", "bar") -> null
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return Constant::getNullValue(CI->getType());
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@ -971,7 +973,7 @@ struct StrStrOpt : public LibCallOptimization {
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Result = B.CreateConstInBoundsGEP1_64(Result, Offset, "strstr");
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return B.CreateBitCast(Result, CI->getType());
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}
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// fold strstr(x, "y") -> strchr(x, 'y').
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if (HasStr2 && ToFindStr.size() == 1)
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return B.CreateBitCast(EmitStrChr(CI->getOperand(1), ToFindStr[0], B),
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@ -979,7 +981,7 @@ struct StrStrOpt : public LibCallOptimization {
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return 0;
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}
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};
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//===---------------------------------------===//
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// 'memcmp' Optimizations
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@ -1558,7 +1560,8 @@ struct SPrintFOpt : public LibCallOptimization {
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// sprintf(str, fmt) -> llvm.memcpy(str, fmt, strlen(fmt)+1, 1)
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EmitMemCpy(CI->getOperand(1), CI->getOperand(2), // Copy the nul byte.
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ConstantInt::get(TD->getIntPtrType(*Context), FormatStr.size()+1),1,B);
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ConstantInt::get
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(TD->getIntPtrType(*Context), FormatStr.size()+1),1,B);
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return ConstantInt::get(CI->getType(), FormatStr.size());
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}
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@ -1688,8 +1691,9 @@ struct FPrintFOpt : public LibCallOptimization {
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// These optimizations require TargetData.
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if (!TD) return 0;
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EmitFWrite(CI->getOperand(2), ConstantInt::get(TD->getIntPtrType(*Context),
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FormatStr.size()),
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EmitFWrite(CI->getOperand(2),
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ConstantInt::get(TD->getIntPtrType(*Context),
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FormatStr.size()),
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CI->getOperand(1), B);
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return ConstantInt::get(CI->getType(), FormatStr.size());
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}
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