Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989

[oota-llvm.git] / lib / Transforms / Scalar / SCCP.cpp

diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index 1ca29a8c032ee15c57f1d8628ca970406d031478..be071f8b1fa5927e541e1963e74d6c760775f815 100644 (file)
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1727,11 +1727,6 @@ bool IPSCCP::runOnModule(Module &M) {
       // If there are any PHI nodes in this successor, drop entries for BB now.
       BasicBlock *DeadBB = BlocksToErase[i];
       while (!DeadBB->use_empty()) {
-        if (BasicBlock *PredBB = dyn_cast<BasicBlock>(DeadBB->use_back())) {
-          PredBB->setUnwindDest(NULL);
-          continue;
-        }
-
         Instruction *I = cast<Instruction>(DeadBB->use_back());
         bool Folded = ConstantFoldTerminator(I->getParent());
         if (!Folded) {