[PATCH] D156185: [clang][ConstExprEmitter] handle ArrayToPointerDecay ImplicitCastExpr of StringLiterals

[Nick Desaulniers via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGd1199808afa5: [clang][ConstExprEmitter] handle ArrayToPointerDecay ImplicitCastExpr of… (authored by nickdesaulniers).

Changed prior to commit:
  https://reviews.llvm.org/D156185?vs=543740&id=544125#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156185/new/

https://reviews.llvm.org/D156185

Files:
  clang/lib/CodeGen/CGExprConstant.cpp


Index: clang/lib/CodeGen/CGExprConstant.cpp
===================================================================
--- clang/lib/CodeGen/CGExprConstant.cpp
+++ clang/lib/CodeGen/CGExprConstant.cpp
@@ -1127,6 +1127,11 @@
     case CK_ConstructorConversion:
       return Visit(subExpr, destType);
 
+    case CK_ArrayToPointerDecay:
+      if (const auto *S = dyn_cast<StringLiteral>(subExpr))
+        return CGM.GetAddrOfConstantStringFromLiteral(S).getPointer();
+      return nullptr;
+
     case CK_IntToOCLSampler:
       llvm_unreachable("global sampler variables are not generated");
 
@@ -1164,7 +1169,6 @@
     case CK_CPointerToObjCPointerCast:
     case CK_BlockPointerToObjCPointerCast:
     case CK_AnyPointerToBlockPointerCast:
-    case CK_ArrayToPointerDecay:
     case CK_FunctionToPointerDecay:
     case CK_BaseToDerived:
     case CK_DerivedToBase:


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