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Fix PR2267, by allowing indirect outputs to be intermixed

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with normal outputs.  Testcase here: 
test/CodeGen/X86/asm-indirect-mem.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51409 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-05-22 04:46:38 +00:00
parent 9c287c2ab4
commit ea21ad4926
1 changed files with 4 additions and 1 deletions
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5
lib/VMCore/InlineAsm.cpp
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@ -183,15 +183,18 @@ bool InlineAsm::Verify(const FunctionType *Ty, const std::string &ConstStr) {
if (Constraints.empty() && !ConstStr.empty()) return false; if (Constraints.empty() && !ConstStr.empty()) return false;
unsigned NumOutputs = 0, NumInputs = 0, NumClobbers = 0; unsigned NumOutputs = 0, NumInputs = 0, NumClobbers = 0;
unsigned NumIndirect = 0;
for (unsigned i = 0, e = Constraints.size(); i != e; ++i) { for (unsigned i = 0, e = Constraints.size(); i != e; ++i) {
switch (Constraints[i].Type) { switch (Constraints[i].Type) {
case InlineAsm::isOutput: case InlineAsm::isOutput:
if ((NumInputs-NumIndirect) != 0 || NumClobbers != 0)
return false; // outputs before inputs and clobbers.
if (!Constraints[i].isIndirect) { if (!Constraints[i].isIndirect) {
if (NumInputs || NumClobbers) return false; // outputs come first.
++NumOutputs; ++NumOutputs;
break; break;
} }
++NumIndirect;
// FALLTHROUGH for Indirect Outputs. // FALLTHROUGH for Indirect Outputs.
case InlineAsm::isInput: case InlineAsm::isInput:
if (NumClobbers) return false; // inputs before clobbers. if (NumClobbers) return false; // inputs before clobbers.