diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/VMCore/InlineAsm.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/InlineAsm.cpp b/llvm/lib/VMCore/InlineAsm.cpp index d563e9557a6..5eefc8842ba 100644 --- a/llvm/lib/VMCore/InlineAsm.cpp +++ b/llvm/lib/VMCore/InlineAsm.cpp @@ -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. |
