Added '|' delimiter to separate inline asm multiple alternative constraints for Clang side of support.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114253 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 6 deletions

diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index a70534d2ca..e83bea6d58 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -861,14 +861,11 @@ static std::string
 SimplifyConstraint(const char *Constraint, const TargetInfo &Target,
                  llvm::SmallVectorImpl<TargetInfo::ConstraintInfo> *OutCons=0) {
   std::string Result;
-  std::string tmp;
 
   while (*Constraint) {
     switch (*Constraint) {
     default:
-      tmp = Target.convertConstraint(*Constraint);
-      if (Result.find(tmp) == std::string::npos) // Combine unique constraints
-        Result += tmp;
+      Result += Target.convertConstraint(*Constraint);
       break;
     // Ignore these
     case '*':
@@ -877,8 +874,8 @@ SimplifyConstraint(const char *Constraint, const TargetInfo &Target,
     case '=': // Will see this and the following in mult-alt constraints.
     case '+':
       break;
-    case ',':                 // FIXME - Until the back-end properly supports
-              return Result;  // multiple alternative constraints, we stop here.
+    case ',':
+      Result += "|";
       break;
     case 'g':
       Result += "imr";