Pass and return aggregate types directly to function calls.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index d17ab13..5427466 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -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);