Another possible bug. Stopgap until we can autogenerate tables and

constraint lengths.

Part of rdar://9037836 and rdar://9119939



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132598 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 6 deletions

diff --git a/lib/VMCore/InlineAsm.cpp b/lib/VMCore/InlineAsm.cpp
index c4e065d..bd3667d 100644
--- a/lib/VMCore/InlineAsm.cpp
+++ b/lib/VMCore/InlineAsm.cpp
@@ -183,12 +183,9 @@ bool InlineAsm::ConstraintInfo::Parse(StringRef Str,
       ++I;
     } else if (*I == '^') {
       // Multi-letter constraint
-      // These will only occur with the existing multiple alternative
-      // constraints and so we can use the isalpha loop below.
-      StringRef::iterator ConStart = ++I;
-      while (I != E && isalpha(*I))
-        ++I;
-      pCodes->push_back(std::string(ConStart, I));
+      // FIXME: For now assuming these are 2-character constraints.
+      pCodes->push_back(std::string(I+1, I+3));
+      I += 3;
     } else {
       // Single letter constraint.
       pCodes->push_back(std::string(I, I+1));