Add a sanity-check to tablegen to catch the case where isSimpleLoad
is set but mayLoad is not set. Fix all the problems this turned up.
Change code to not use isSimpleLoad instead of mayLoad unless it
really wants isSimpleLoad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60459 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp
index 859a8cc..b3ed27b 100644
--- a/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -1759,6 +1759,15 @@
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' "