r359623 - Remove two unnecessary wrappers of canPassInRegisters

[Reid Kleckner via cfe-commits]

Author: rnk
Date: Tue Apr 30 15:23:20 2019
New Revision: 359623

URL: http://llvm.org/viewvc/llvm-project?rev=359623&view=rev
Log:
Remove two unnecessary wrappers of canPassInRegisters

These extra layers aren't necessary.

Modified:
    cfe/trunk/lib/CodeGen/CGCXXABI.cpp
    cfe/trunk/lib/CodeGen/CGCXXABI.h
    cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
    cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp

Modified: cfe/trunk/lib/CodeGen/CGCXXABI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCXXABI.cpp?rev=359623&r1=359622&r2=359623&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGCXXABI.cpp Tue Apr 30 15:23:20 2019
@@ -28,12 +28,6 @@ void CGCXXABI::ErrorUnsupportedABI(CodeG
     << S;
 }
 
-bool CGCXXABI::canCopyArgument(const CXXRecordDecl *RD) const {
-  // We can only copy the argument if there exists at least one trivial,
-  // non-deleted copy or move constructor.
-  return RD->canPassInRegisters();
-}
-
 llvm::Constant *CGCXXABI::GetBogusMemberPointer(QualType T) {
   return llvm::Constant::getNullValue(CGM.getTypes().ConvertType(T));
 }

Modified: cfe/trunk/lib/CodeGen/CGCXXABI.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGCXXABI.h?rev=359623&r1=359622&r2=359623&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGCXXABI.h (original)
+++ cfe/trunk/lib/CodeGen/CGCXXABI.h Tue Apr 30 15:23:20 2019
@@ -136,10 +136,6 @@ public:
     RAA_Indirect
   };
 
-  /// Returns true if C++ allows us to copy the memory of an object of type RD
-  /// when it is passed as an argument.
-  bool canCopyArgument(const CXXRecordDecl *RD) const;
-
   /// Returns how an argument of the given record type should be passed.
   virtual RecordArgABI getRecordArgABI(const CXXRecordDecl *RD) const = 0;
 

Modified: cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp?rev=359623&r1=359622&r2=359623&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp Tue Apr 30 15:23:20 2019
@@ -62,13 +62,9 @@ public:
 
   bool classifyReturnType(CGFunctionInfo &FI) const override;
 
-  bool passClassIndirect(const CXXRecordDecl *RD) const {
-    return !canCopyArgument(RD);
-  }
-
   RecordArgABI getRecordArgABI(const CXXRecordDecl *RD) const override {
     // If C++ prohibits us from making a copy, pass by address.
-    if (passClassIndirect(RD))
+    if (!RD->canPassInRegisters())
       return RAA_Indirect;
     return RAA_Default;
   }
@@ -1093,7 +1089,7 @@ bool ItaniumCXXABI::classifyReturnType(C
     return false;
 
   // If C++ prohibits us from making a copy, return by address.
-  if (passClassIndirect(RD)) {
+  if (!RD->canPassInRegisters()) {
     auto Align = CGM.getContext().getTypeAlignInChars(FI.getReturnType());
     FI.getReturnInfo() = ABIArgInfo::getIndirect(Align, /*ByVal=*/false);
     return true;

Modified: cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp?rev=359623&r1=359622&r2=359623&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/MicrosoftCXXABI.cpp Tue Apr 30 15:23:20 2019
@@ -811,7 +811,7 @@ MicrosoftCXXABI::getRecordArgABI(const C
     // Use the simple Itanium rules for now.
     // FIXME: This is incompatible with MSVC for arguments with a dtor and no
     // copy ctor.
-    return !canCopyArgument(RD) ? RAA_Indirect : RAA_Default;
+    return !RD->canPassInRegisters() ? RAA_Indirect : RAA_Default;
 
   case llvm::Triple::x86:
     // All record arguments are passed in memory on x86.  Decide whether to
@@ -820,7 +820,7 @@ MicrosoftCXXABI::getRecordArgABI(const C
 
     // If C++ prohibits us from making a copy, construct the arguments directly
     // into argument memory.
-    if (!canCopyArgument(RD))
+    if (!RD->canPassInRegisters())
       return RAA_DirectInMemory;
 
     // Otherwise, construct the argument into a temporary and copy the bytes
@@ -829,7 +829,7 @@ MicrosoftCXXABI::getRecordArgABI(const C
 
   case llvm::Triple::x86_64:
   case llvm::Triple::aarch64:
-    return !canCopyArgument(RD) ? RAA_Indirect : RAA_Default;
+    return !RD->canPassInRegisters() ? RAA_Indirect : RAA_Default;
   }
 
   llvm_unreachable("invalid enum");