Commit 9c108f4e authored by Tanya Lattner's avatar Tanya Lattner
Browse files

Merge from mainline. 

Fix PR2267, by allowing indirect outputs to be intermixed
with normal outputs.  Testcase here:
test/CodeGen/X86/asm-indirect-mem.ll

llvm-svn: 51415
parent 422c8d11

llvm/lib/VMCore/InlineAsm.cpp

+4 −1
Original line number Diff line number Diff line
@@ -183,15 +183,18 @@ bool InlineAsm::Verify(const FunctionType *Ty, const std::string &ConstStr) { 
  if (Constraints.empty() && !ConstStr.empty()) return false;

  

  unsigned NumOutputs = 0, NumInputs = 0, NumClobbers = 0;

  unsigned NumIndirect = 0;

  

  for (unsigned i = 0, e = Constraints.size(); i != e; ++i) {

    switch (Constraints[i].Type) {

    case InlineAsm::isOutput:

      if ((NumInputs-NumIndirect) != 0 || NumClobbers != 0)

        return false;  // outputs before inputs and clobbers.

      if (!Constraints[i].isIndirect) {

        if (NumInputs || NumClobbers) return false;  // outputs come first.

        ++NumOutputs;

        break;

      }

      ++NumIndirect;

      // FALLTHROUGH for Indirect Outputs.

    case InlineAsm::isInput:

      if (NumClobbers) return false;               // inputs before clobbers.