[cfe-commits] r69668 - in /cfe/trunk/lib: Basic/Targets.cpp CodeGen/CGCall.cpp

[Sanjiv Gupta]

Author: sgupta
Date: Tue Apr 21 01:01:16 2009
New Revision: 69668

URL: http://llvm.org/viewvc/llvm-project?rev=69668&view=rev
Log:
Pass and return aggregate types directly to function calls.

Modified:
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/lib/CodeGen/CGCall.cpp

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=69668&r1=69667&r2=69668&view=diff

==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue Apr 21 01:01:16 2009
@@ -1184,7 +1184,7 @@
                                    unsigned &NumRecords) const {}
     virtual const char *getVAListDeclaration() const { return "";}
     virtual const char *getClobbers() const {return "";}
-    virtual const char *getTargetPrefix() const {return "";}
+    virtual const char *getTargetPrefix() const {return "pic16";}
     virtual void getGCCRegNames(const char * const *&Names, 
                                 unsigned &NumNames) const {} 
     virtual bool validateAsmConstraint(const char *&Name, 

Modified: cfe/trunk/lib/CodeGen/CGCall.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCall.cpp?rev=69668&r1=69667&r2=69668&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGCall.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCall.cpp Tue Apr 21 01:01:16 2009
@@ -1272,6 +1272,45 @@
   return ResAddr;
 }
 
+// ABI Info for PIC16 
+class PIC16ABIInfo : public ABIInfo {
+  ABIArgInfo classifyReturnType(QualType RetTy, 
+                                ASTContext &Context) const;
+  
+  ABIArgInfo classifyArgumentType(QualType RetTy,
+                                  ASTContext &Context) const;
+
+  virtual void computeInfo(CGFunctionInfo &FI, ASTContext &Context) const {
+    FI.getReturnInfo() = classifyReturnType(FI.getReturnType(), Context);
+    for (CGFunctionInfo::arg_iterator it = FI.arg_begin(), ie = FI.arg_end();
+         it != ie; ++it)
+      it->info = classifyArgumentType(it->type, Context);
+  }
+
+  virtual llvm::Value *EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
+                                 CodeGenFunction &CGF) const;
+
+};
+
+ABIArgInfo PIC16ABIInfo::classifyReturnType(QualType RetTy,
+                                              ASTContext &Context) const {
+  if (RetTy->isVoidType()) {
+    return ABIArgInfo::getIgnore();
+  } else {
+    return ABIArgInfo::getDirect();
+  }
+}
+
+ABIArgInfo PIC16ABIInfo::classifyArgumentType(QualType Ty,
+                                                ASTContext &Context) const {
+  return ABIArgInfo::getDirect();
+}
+
+llvm::Value *PIC16ABIInfo::EmitVAArg(llvm::Value *VAListAddr, QualType Ty,
+                                       CodeGenFunction &CGF) const {
+  return 0;
+}
+
 class ARMABIInfo : public ABIInfo {
   ABIArgInfo classifyReturnType(QualType RetTy, 
                                 ASTContext &Context) const;
@@ -1400,6 +1439,8 @@
   } else if (strcmp(TargetPrefix, "arm") == 0) {
     // FIXME: Support for OABI?
     return *(TheABIInfo = new ARMABIInfo());
+  } else if (strcmp(TargetPrefix, "pic16") == 0) {
+    return *(TheABIInfo = new PIC16ABIInfo());
   }
 
   return *(TheABIInfo = new DefaultABIInfo);