diff options
Diffstat (limited to 'lib/CodeGen/CGDecl.cpp')
| -rw-r--r-- | lib/CodeGen/CGDecl.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp index b98657ffd8..790a8df3d7 100644 --- a/lib/CodeGen/CGDecl.cpp +++ b/lib/CodeGen/CGDecl.cpp @@ -1620,8 +1620,9 @@ void CodeGenFunction::EmitAutoVarInit(const AutoVarEmission &emission) { bool capturedByInit = Init && emission.IsEscapingByRef && isCapturedBy(D, Init); - Address Loc = - capturedByInit ? emission.Addr : emission.getObjectAddress(*this); + bool locIsByrefHeader = !capturedByInit; + const Address Loc = + locIsByrefHeader ? emission.getObjectAddress(*this) : emission.Addr; // Note: constexpr already initializes everything correctly. LangOptions::TrivialAutoVarInitKind trivialAutoVarInit = @@ -1637,7 +1638,7 @@ void CodeGenFunction::EmitAutoVarInit(const AutoVarEmission &emission) { return; // Only initialize a __block's storage: we always initialize the header. - if (emission.IsEscapingByRef) + if (emission.IsEscapingByRef && !locIsByrefHeader) Loc = emitBlockByrefAddress(Loc, &D, /*follow=*/false); CharUnits Size = getContext().getTypeSizeInChars(type); @@ -1745,10 +1746,9 @@ void CodeGenFunction::EmitAutoVarInit(const AutoVarEmission &emission) { } llvm::Type *BP = CGM.Int8Ty->getPointerTo(Loc.getAddressSpace()); - if (Loc.getType() != BP) - Loc = Builder.CreateBitCast(Loc, BP); - - emitStoresForConstant(CGM, D, Loc, isVolatile, Builder, constant); + emitStoresForConstant( + CGM, D, (Loc.getType() == BP) ? Loc : Builder.CreateBitCast(Loc, BP), + isVolatile, Builder, constant); } /// Emit an expression as an initializer for an object (variable, field, etc.) |