diff options
Diffstat (limited to 'clang/lib/Basic/TargetInfo.cpp')
| -rw-r--r-- | clang/lib/Basic/TargetInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp index 15b8c83d1b3..535c87ec115 100644 --- a/clang/lib/Basic/TargetInfo.cpp +++ b/clang/lib/Basic/TargetInfo.cpp @@ -583,6 +583,10 @@ bool TargetInfo::validateInputConstraint(ConstraintInfo *OutputConstraints, if (Info.hasTiedOperand() && Info.getTiedOperand() != Index) return false; + // A number must refer to an output only operand. + if (OutputConstraints[Index].isReadWrite()) + return false; + Info.setTiedOperand(Index, OutputConstraints[Index]); break; } |
