Implement CodeGen/X86/2007-03-24-InlineAsmMultiRegConstraint.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35324 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 7436c1747adf03d76253e3a59a49404b0948a6c0..7433a79f9f4b0fd75831e12771310a9e0e79ebcb 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1852,7 +1852,10 @@ TargetLowering::getConstraintType(const std::string &Constraint) const {
       return C_Other;
     }
   }
-  // TODO: Handle registers.
+  
+  if (Constraint.size() > 1 && Constraint[0] == '{' && 
+      Constraint[Constraint.size()-1] == '}')
+    return C_Register;
   return C_Unknown;
 }