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/PredicateSimplifier.cpp b/lib/Transforms/Scalar/PredicateSimplifier.cpp
index 4bcc339..2618336 100644
--- a/lib/Transforms/Scalar/PredicateSimplifier.cpp
+++ b/lib/Transforms/Scalar/PredicateSimplifier.cpp
@@ -2284,8 +2284,6 @@
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(BreakCriticalEdgesID);
AU.addRequired<DominatorTree>();
- AU.addRequired<TargetData>();
- AU.addPreserved<TargetData>();
}
private:
@@ -2409,7 +2407,13 @@
bool PredicateSimplifier::runOnFunction(Function &F) {
DominatorTree *DT = &getAnalysis<DominatorTree>();
DTDFS = new DomTreeDFS(DT);
- TargetData *TD = &getAnalysis<TargetData>();
+ TargetData *TD = getAnalysisIfAvailable<TargetData>();
+
+ // FIXME: PredicateSimplifier should still be able to do basic
+ // optimizations without TargetData. But for now, just exit if
+ // it's not available.
+ if (!TD) return false;
+
Context = &F.getContext();
DEBUG(errs() << "Entering Function: " << F.getName() << "\n");