use precise getters

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63402 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index b8077aefb1321b8450db698fc8d62f343a72d28d..c22485342e09cd543eaaf0a7c8625ff1e93fea1c 100644 (file)
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -38,8 +38,8 @@ bool llvm::ConstantFoldTerminator(BasicBlock *BB) {
   // Branch - See if we are conditional jumping on constant
   if (BranchInst *BI = dyn_cast<BranchInst>(T)) {
     if (BI->isUnconditional()) return false;  // Can't optimize uncond branch
-    BasicBlock *Dest1 = cast<BasicBlock>(BI->getOperand(0));
-    BasicBlock *Dest2 = cast<BasicBlock>(BI->getOperand(1));
+    BasicBlock *Dest1 = BI->getSuccessor(0);
+    BasicBlock *Dest2 = BI->getSuccessor(1);
 
     if (ConstantInt *Cond = dyn_cast<ConstantInt>(BI->getCondition())) {
       // Are we branching on constant?