diff options
Diffstat (limited to 'lib/CodeGen/CallingConvLower.cpp')
| -rw-r--r-- | lib/CodeGen/CallingConvLower.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp index bfb6ba1023..7768e28979 100644 --- a/lib/CodeGen/CallingConvLower.cpp +++ b/lib/CodeGen/CallingConvLower.cpp @@ -48,8 +48,12 @@ void CCState::HandleByVal(unsigned ValNo, MVT ValVT, if (MinAlign > (int)Align) Align = MinAlign; TM.getTargetLowering()->HandleByVal(const_cast<CCState*>(this), Size); - unsigned Offset = AllocateStack(Size, Align); - addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo)); + if (Size != 0) { + unsigned Offset = AllocateStack(Size, Align); + addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo)); + } else { + addLoc(CCValAssign::getReg(ValNo, ValVT, getFirstByValReg(), LocVT, LocInfo)); + } } /// MarkAllocated - Mark a register and all of its aliases as allocated. |