diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 5 | ||||
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 11ff6bf965..16b110f39b 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -2391,8 +2391,9 @@ ARMTargetLowering::LowerFormalArguments(SDValue Chain, // In case of tail call optimization mark all arguments mutable. Since they // could be overwritten by lowering of arguments in case of a tail call. if (Flags.isByVal()) { - int FI = MFI->CreateFixedObject(Flags.getByValSize(), - VA.getLocMemOffset(), false); + unsigned Bytes = Flags.getByValSize(); + if (Bytes == 0) Bytes = 1; // Don't create zero-sized stack objects. + int FI = MFI->CreateFixedObject(Bytes, VA.getLocMemOffset(), false); InVals.push_back(DAG.getFrameIndex(FI, getPointerTy())); } else { int FI = MFI->CreateFixedObject(VA.getLocVT().getSizeInBits()/8, diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 7d301e5e07..cd1d2019d2 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1639,8 +1639,9 @@ X86TargetLowering::LowerMemArgument(SDValue Chain, // In case of tail call optimization mark all arguments mutable. Since they // could be overwritten by lowering of arguments in case of a tail call. if (Flags.isByVal()) { - int FI = MFI->CreateFixedObject(Flags.getByValSize(), - VA.getLocMemOffset(), isImmutable); + unsigned Bytes = Flags.getByValSize(); + if (Bytes == 0) Bytes = 1; // Don't create zero-sized stack objects. + int FI = MFI->CreateFixedObject(Bytes, VA.getLocMemOffset(), isImmutable); return DAG.getFrameIndex(FI, getPointerTy()); } else { int FI = MFI->CreateFixedObject(ValVT.getSizeInBits()/8, |