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Revert "Introduce a string_ostream string builder facilty"

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Temporarily back out commits r211749, r211752 and r211754.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211814 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alp Toker
2014-06-26 22:52:05 +00:00
parent eca517deaa
commit 8dd8d5c2b2
57 changed files with 288 additions and 226 deletions
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36
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -212,23 +212,24 @@ class LoopVectorizationCostModel;
/// Optimization analysis message produced during vectorization. Messages inform
/// the user why vectorization did not occur.
class Report {
string_ostream Message;
std::string Message;
raw_string_ostream Out;
Instruction *Instr;
public:
Report(Instruction *I = nullptr) : Instr(I) {
Message << "loop not vectorized: ";
Report(Instruction *I = nullptr) : Out(Message), Instr(I) {
Out << "loop not vectorized: ";
}
template <typename A> Report &operator<<(const A &Value) {
Message << Value;
Out << Value;
return *this;
}
Instruction *getInstr() { return Instr; }
StringRef str() { return Message.str(); }
operator Twine() { return Message.str(); }
std::string &str() { return Out.str(); }
operator Twine() { return Out.str(); }
};
/// InnerLoopVectorizer vectorizes loops which contain only one basic
@ -502,17 +503,18 @@ static void setDebugLocFromInst(IRBuilder<> &B, const Value *Ptr) {
#ifndef NDEBUG
/// \return string containing a file name and a line # for the given loop.
static std::string getDebugLocString(const Loop *L) {
if (!L)
return std::string();
string_ostream OS;
const DebugLoc LoopDbgLoc = L->getStartLoc();
if (!LoopDbgLoc.isUnknown())
LoopDbgLoc.print(L->getHeader()->getContext(), OS);
else
// Just print the module name.
OS << L->getHeader()->getParent()->getParent()->getModuleIdentifier();
return OS.str();
std::string Result;
if (L) {
raw_string_ostream OS(Result);
const DebugLoc LoopDbgLoc = L->getStartLoc();
if (!LoopDbgLoc.isUnknown())
LoopDbgLoc.print(L->getHeader()->getContext(), OS);
else
// Just print the module name.
OS << L->getHeader()->getParent()->getParent()->getModuleIdentifier();
OS.flush();
}
return Result;
}
#endif