Make SROA and PredicateSimplifier cope if TargetData is not
available. This is very conservative for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79442 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
index 4f99ee8..378fb21 100644
--- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp
+++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp
@@ -68,7 +68,6 @@
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTree>();
AU.addRequired<DominanceFrontier>();
- AU.addRequired<TargetData>();
AU.setPreservesCFG();
}
@@ -150,9 +149,16 @@
bool SROA::runOnFunction(Function &F) {
- TD = &getAnalysis<TargetData>();
-
+ TD = getAnalysisIfAvailable<TargetData>();
+
bool Changed = performPromotion(F);
+
+ // FIXME: ScalarRepl currently depends on TargetData more than it
+ // theoretically needs to. It should be refactored in order to support
+ // target-independent IR. Until this is done, just skip the actual
+ // scalar-replacement portion of this pass.
+ if (!TD) return Changed;
+
while (1) {
bool LocalChange = performScalarRepl(F);
if (!LocalChange) break; // No need to repromote if no scalarrepl