[cfe-commits] r149363 - in /cfe/trunk/lib/CodeGen: CGExprConstant.cpp CGObjCGNU.cpp CGObjCMac.cpp CGRTTI.cpp CodeGenAction.cpp CodeGenModule.cpp

Chris Lattner sabre at nondot.org
Mon Jan 30 22:13:55 PST 2012


Author: lattner
Date: Tue Jan 31 00:13:55 2012
New Revision: 149363

URL: http://llvm.org/viewvc/llvm-project?rev=149363&view=rev
Log:
ConstantArray::get() (for strings) is going away, use
ConstantDataArray::getString instead.

Many instances of ConstantArray::get() could be moved to 
use more efficient ConstantDataArray methods that avoid a ton
of intermediate Constant*'s for each element (e.g. 
GetConstantArrayFromStringLiteral).  I don't plan on doing this
in the short-term though.


Modified:
    cfe/trunk/lib/CodeGen/CGExprConstant.cpp
    cfe/trunk/lib/CodeGen/CGObjCGNU.cpp
    cfe/trunk/lib/CodeGen/CGObjCMac.cpp
    cfe/trunk/lib/CodeGen/CGRTTI.cpp
    cfe/trunk/lib/CodeGen/CodeGenAction.cpp
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp

Modified: cfe/trunk/lib/CodeGen/CGExprConstant.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprConstant.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprConstant.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprConstant.cpp Tue Jan 31 00:13:55 2012
@@ -811,7 +811,7 @@
     // Resize the string to the right size, adding zeros at the end, or
     // truncating as needed.
     Str.resize(CAT->getSize().getZExtValue(), '\0');
-    return llvm::ConstantArray::get(VMContext, Str, false);
+    return llvm::ConstantDataArray::getString(VMContext, Str, false);
   }
 
   llvm::Constant *VisitUnaryExtension(const UnaryOperator *E) {

Modified: cfe/trunk/lib/CodeGen/CGObjCGNU.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGObjCGNU.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGObjCGNU.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGObjCGNU.cpp Tue Jan 31 00:13:55 2012
@@ -187,7 +187,7 @@
     std::string name = prefix + Str;
     llvm::Constant *ConstStr = TheModule.getGlobalVariable(name);
     if (!ConstStr) {
-      llvm::Constant *value = llvm::ConstantArray::get(VMContext, Str, true);
+      llvm::Constant *value = llvm::ConstantDataArray::getString(VMContext,Str);
       ConstStr = new llvm::GlobalVariable(TheModule, value->getType(), true,
               llvm::GlobalValue::LinkOnceODRLinkage, value, prefix + Str);
     }

Modified: cfe/trunk/lib/CodeGen/CGObjCMac.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGObjCMac.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGObjCMac.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGObjCMac.cpp Tue Jan 31 00:13:55 2012
@@ -3714,8 +3714,8 @@
 
   if (!Entry)
     Entry = CreateMetadataVar("\01L_OBJC_CLASS_NAME_",
-                          llvm::ConstantArray::get(VMContext,
-                                                   Ident->getNameStart()),
+                              llvm::ConstantDataArray::getString(VMContext,
+                                                         Ident->getNameStart()),
                               ((ObjCABI == 2) ?
                                "__TEXT,__objc_classname,cstring_literals" :
                                "__TEXT,__cstring,cstring_literals"),
@@ -3923,7 +3923,7 @@
 /// the given argument BitMap string container. Routine reads
 /// two containers, IvarsInfo and SkipIvars which are assumed to be
 /// filled already by the caller.
-llvm::Constant *CGObjCCommonMac::BuildIvarLayoutBitmap(std::string& BitMap) {
+llvm::Constant *CGObjCCommonMac::BuildIvarLayoutBitmap(std::string &BitMap) {
   unsigned int WordsToScan, WordsToSkip;
   llvm::Type *PtrTy = llvm::Type::getInt8PtrTy(VMContext);
   
@@ -4040,7 +4040,7 @@
   
   llvm::GlobalVariable * Entry =
   CreateMetadataVar("\01L_OBJC_CLASS_NAME_",
-                    llvm::ConstantArray::get(VMContext, BitMap.c_str()),
+                    llvm::ConstantDataArray::getString(VMContext, BitMap),
                     ((ObjCABI == 2) ?
                      "__TEXT,__objc_classname,cstring_literals" :
                      "__TEXT,__cstring,cstring_literals"),
@@ -4129,7 +4129,7 @@
   // FIXME: Avoid std::string copying.
   if (!Entry)
     Entry = CreateMetadataVar("\01L_OBJC_METH_VAR_NAME_",
-                        llvm::ConstantArray::get(VMContext, Sel.getAsString()),
+               llvm::ConstantDataArray::getString(VMContext, Sel.getAsString()),
                               ((ObjCABI == 2) ?
                                "__TEXT,__objc_methname,cstring_literals" :
                                "__TEXT,__cstring,cstring_literals"),
@@ -4151,7 +4151,7 @@
 
   if (!Entry)
     Entry = CreateMetadataVar("\01L_OBJC_METH_VAR_TYPE_",
-                              llvm::ConstantArray::get(VMContext, TypeStr),
+                         llvm::ConstantDataArray::getString(VMContext, TypeStr),
                               ((ObjCABI == 2) ?
                                "__TEXT,__objc_methtype,cstring_literals" :
                                "__TEXT,__cstring,cstring_literals"),
@@ -4172,7 +4172,7 @@
 
   if (!Entry)
     Entry = CreateMetadataVar("\01L_OBJC_METH_VAR_TYPE_",
-                              llvm::ConstantArray::get(VMContext, TypeStr),
+                         llvm::ConstantDataArray::getString(VMContext, TypeStr),
                               ((ObjCABI == 2) ?
                                "__TEXT,__objc_methtype,cstring_literals" :
                                "__TEXT,__cstring,cstring_literals"),
@@ -4187,8 +4187,8 @@
 
   if (!Entry)
     Entry = CreateMetadataVar("\01L_OBJC_PROP_NAME_ATTR_",
-                          llvm::ConstantArray::get(VMContext,
-                                                   Ident->getNameStart()),
+                        llvm::ConstantDataArray::getString(VMContext,
+                                                       Ident->getNameStart()),
                               "__TEXT,__cstring,cstring_literals",
                               1, true);
 

Modified: cfe/trunk/lib/CodeGen/CGRTTI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGRTTI.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGRTTI.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGRTTI.cpp Tue Jan 31 00:13:55 2012
@@ -125,7 +125,8 @@
   // We know that the mangled name of the type starts at index 4 of the
   // mangled name of the typename, so we can just index into it in order to
   // get the mangled name of the type.
-  llvm::Constant *Init = llvm::ConstantArray::get(VMContext, Name.substr(4));
+  llvm::Constant *Init = llvm::ConstantDataArray::getString(VMContext,
+                                                            Name.substr(4));
 
   llvm::GlobalVariable *GV = 
     CGM.CreateOrReplaceCXXRuntimeVariable(Name, Init->getType(), Linkage);

Modified: cfe/trunk/lib/CodeGen/CodeGenAction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenAction.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenAction.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenAction.cpp Tue Jan 31 00:13:55 2012
@@ -220,18 +220,15 @@
                                             SourceLocation LocCookie) {
   // There are a couple of different kinds of errors we could get here.  First,
   // we re-format the SMDiagnostic in terms of a clang diagnostic.
-
-  // Strip "error: " off the start of the message string.
   StringRef Message = D.getMessage();
-  if (Message.startswith("error: "))
-    Message = Message.substr(7);
 
   // If the SMDiagnostic has an inline asm source location, translate it.
   FullSourceLoc Loc;
   if (D.getLoc() != SMLoc())
     Loc = ConvertBackendLocation(D, Context->getSourceManager());
-  
 
+  // FIXME: Propagate ranges up as well.
+  
   // If this problem has clang-level source location information, report the
   // issue as being an error in the source with a note showing the instantiated
   // code.

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=149363&r1=149362&r2=149363&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Tue Jan 31 00:13:55 2012
@@ -689,7 +689,7 @@
     return i->second;
 
   // Not found yet, create a new global.
-  llvm::Constant *s = llvm::ConstantArray::get(getLLVMContext(), Str, true);
+  llvm::Constant *s = llvm::ConstantDataArray::getString(getLLVMContext(), Str);
   llvm::GlobalValue *gv = new llvm::GlobalVariable(getModule(), s->getType(),
     true, llvm::GlobalValue::PrivateLinkage, s, ".str");
   gv->setSection(AnnotationSection);
@@ -1853,7 +1853,8 @@
     llvm::ConstantInt::get(Ty, 0x07C8);
 
   // String pointer.
-  llvm::Constant *C = llvm::ConstantArray::get(VMContext, Entry.getKey().str());
+  llvm::Constant *C = llvm::ConstantDataArray::getString(VMContext,
+                                                         Entry.getKey());
 
   llvm::GlobalValue::LinkageTypes Linkage;
   if (isUTF16)
@@ -1985,7 +1986,8 @@
   Fields[0] = ConstantStringClassRef;
   
   // String pointer.
-  llvm::Constant *C = llvm::ConstantArray::get(VMContext, Entry.getKey().str());
+  llvm::Constant *C =
+    llvm::ConstantDataArray::getString(VMContext, Entry.getKey());
   
   llvm::GlobalValue::LinkageTypes Linkage;
   bool isConstant;
@@ -2081,29 +2083,28 @@
   // Don't emit it as the address of the string, emit the string data itself
   // as an inline array.
   if (E->getCharByteWidth()==1) {
-    return llvm::ConstantArray::get(VMContext,
+    return llvm::ConstantDataArray::getString(VMContext,
                                     GetStringForStringLiteral(E), false);
-  } else {
-    llvm::ArrayType *AType =
-      cast<llvm::ArrayType>(getTypes().ConvertType(E->getType()));
-    llvm::Type *ElemTy = AType->getElementType();
-    unsigned NumElements = AType->getNumElements();
-    std::vector<llvm::Constant*> Elts;
-    Elts.reserve(NumElements);
-    
-    for(unsigned i=0;i<E->getLength();++i) {
-      unsigned value = E->getCodeUnit(i);
-      llvm::Constant *C = llvm::ConstantInt::get(ElemTy,value,false);
-      Elts.push_back(C);
-    }
-    for(unsigned i=E->getLength();i<NumElements;++i) {
-      llvm::Constant *C = llvm::ConstantInt::get(ElemTy,0,false);
-      Elts.push_back(C);
-    }
-    
-    return llvm::ConstantArray::get(AType, Elts);
   }
-
+  
+  llvm::ArrayType *AType =
+    cast<llvm::ArrayType>(getTypes().ConvertType(E->getType()));
+  llvm::Type *ElemTy = AType->getElementType();
+  unsigned NumElements = AType->getNumElements();
+  std::vector<llvm::Constant*> Elts;
+  Elts.reserve(NumElements);
+  
+  for(unsigned i=0;i<E->getLength();++i) {
+    unsigned value = E->getCodeUnit(i);
+    llvm::Constant *C = llvm::ConstantInt::get(ElemTy,value,false);
+    Elts.push_back(C);
+  }
+  for(unsigned i=E->getLength();i<NumElements;++i) {
+    llvm::Constant *C = llvm::ConstantInt::get(ElemTy,0,false);
+    Elts.push_back(C);
+  }
+  
+  return llvm::ConstantArray::get(AType, Elts);
 }
 
 /// GetAddrOfConstantStringFromLiteral - Return a pointer to a
@@ -2152,7 +2153,7 @@
                                              unsigned Alignment) {
   // Create Constant for this string literal. Don't add a '\0'.
   llvm::Constant *C =
-      llvm::ConstantArray::get(CGM.getLLVMContext(), str, false);
+      llvm::ConstantDataArray::getString(CGM.getLLVMContext(), str, false);
 
   // Create a global variable for this string
   llvm::GlobalVariable *GV =





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