diff options
Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
| -rw-r--r-- | utils/TableGen/CodeGenDAGPatterns.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp index 859a8ccac8..b3ed27b8d8 100644 --- a/utils/TableGen/CodeGenDAGPatterns.cpp +++ b/utils/TableGen/CodeGenDAGPatterns.cpp @@ -1759,6 +1759,15 @@ static void InferFromPattern(const CodeGenInstruction &Inst, MayLoad = true; } + // Sanity-check the isSimpleLoad flag. + if (Inst.isSimpleLoad) { + if (!MayLoad) + fprintf(stderr, + "Warning: mayLoad flag not set or inferred for instruction '%s'" + " which has isSimpleLoad set.\n", + Inst.TheDef->getName().c_str()); + } + if (Inst.neverHasSideEffects) { if (HadPattern) fprintf(stderr, "Warning: neverHasSideEffects set on instruction '%s' " |