diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 6ff72ec045e..b650526629b 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -4669,7 +4669,10 @@ CodeGenModule::GetAddrOfConstantCFString(const StringLiteral *Literal) { } Fields.addInt(LengthTy, StringLength); - CharUnits Alignment = getPointerAlign(); + // Swift ABI requires 8-byte alignment to ensure that the _Atomic(uint64_t) is + // properly aligned on 32-bit platforms. + CharUnits Alignment = + IsSwiftABI ? Context.toCharUnitsFromBits(64) : getPointerAlign(); // The struct. GV = Fields.finishAndCreateGlobal("_unnamed_cfstring_", Alignment, |
