r364495 - [NFC] Return early for types with size zero

[Vitaly Buka via cfe-commits]

Author: vitalybuka
Date: Wed Jun 26 19:08:15 2019
New Revision: 364495

URL: http://llvm.org/viewvc/llvm-project?rev=364495&view=rev
Log:
[NFC] Return early for types with size zero

Modified:
    cfe/trunk/lib/CodeGen/CGDecl.cpp

Modified: cfe/trunk/lib/CodeGen/CGDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDecl.cpp?rev=364495&r1=364494&r2=364495&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDecl.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDecl.cpp Wed Jun 26 19:08:15 2019
@@ -1145,6 +1145,10 @@ static void emitStoresForConstant(CodeGe
                                   CGBuilderTy &Builder,
                                   llvm::Constant *constant) {
   auto *Ty = constant->getType();
+  uint64_t ConstantSize = CGM.getDataLayout().getTypeAllocSize(Ty);
+  if (!ConstantSize)
+    return;
+
   bool canDoSingleStore = Ty->isIntOrIntVectorTy() ||
                           Ty->isPtrOrPtrVectorTy() || Ty->isFPOrFPVectorTy();
   if (canDoSingleStore) {
@@ -1152,9 +1156,6 @@ static void emitStoresForConstant(CodeGe
     return;
   }
 
-  uint64_t ConstantSize = CGM.getDataLayout().getTypeAllocSize(Ty);
-  if (!ConstantSize)
-    return;
   auto *SizeVal = llvm::ConstantInt::get(CGM.IntPtrTy, ConstantSize);
 
   // If the initializer is all or mostly the same, codegen with bzero / memset