[PM] Split DominatorTree into a concrete analysis result object which

[oota-llvm.git] / lib / Transforms / Utils / SimplifyInstructions.cpp

diff --git a/lib/Transforms/Utils/SimplifyInstructions.cpp b/lib/Transforms/Utils/SimplifyInstructions.cpp
index c62e89ddbe7e03754bc4eef7ee900f754579c085..56bc9dd30f0688e3f072c93d3100feb6f3c63c05 100644 (file)
--- a/lib/Transforms/Utils/SimplifyInstructions.cpp
+++ b/lib/Transforms/Utils/SimplifyInstructions.cpp
@@ -45,7 +45,9 @@ namespace {
 
     /// runOnFunction - Remove instructions that simplify.
     bool runOnFunction(Function &F) {
 
     /// runOnFunction - Remove instructions that simplify.
     bool runOnFunction(Function &F) {

-      const DominatorTree *DT = getAnalysisIfAvailable<DominatorTree>();
+      const DominatorTreeWrapperPass *DTWP =
+          getAnalysisIfAvailable<DominatorTreeWrapperPass>();
+      const DominatorTree *DT = DTWP ? &DTWP->getDomTree() : 0;

       const DataLayout *TD = getAnalysisIfAvailable<DataLayout>();
       const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
       SmallPtrSet<const Instruction*, 8> S1, S2, *ToSimplify = &S1, *Next = &S2;
       const DataLayout *TD = getAnalysisIfAvailable<DataLayout>();
       const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
       SmallPtrSet<const Instruction*, 8> S1, S2, *ToSimplify = &S1, *Next = &S2;