diff options
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index e14ab6d394..155dfad373 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -2134,7 +2134,13 @@ public: } } - OS << " return Result.getValue(N.ResNo);\n"; + // FIXME: this only works because (for now) an instruction can either + // produce a single result or a single flag. + if (II.hasCtrlDep && NumImpResults > 0) + OS << " return (N.ResNo) ? Chain : Result.getValue(1);" + << " // Chain comes before flag.\n"; + else + OS << " return Result.getValue(N.ResNo);\n"; } else { // If this instruction is the root, and if there is only one use of it, // use SelectNodeTo instead of getTargetNode to avoid an allocation. |