[SimplifyCFG] Use auto * when the type is obvious. NFCI.

llvm-svn: 317923

1 files changed, 8 insertions, 11 deletions

diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index e26f38228b5..8f1626a149a 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -6012,12 +6012,12 @@ bool SimplifyCFGOpt::run(BasicBlock *BB) {
 
   // If there is a trivial two-entry PHI node in this basic block, and we can
   // eliminate it, do so now.
-  if (PHINode *PN = dyn_cast<PHINode>(BB->begin()))
+  if (auto *PN = dyn_cast<PHINode>(BB->begin()))
     if (PN->getNumIncomingValues() == 2)
       Changed |= FoldTwoEntryPHINode(PN, TTI, DL);
 
   Builder.SetInsertPoint(BB->getTerminator());
-  if (BranchInst *BI = dyn_cast<BranchInst>(BB->getTerminator())) {
+  if (auto *BI = dyn_cast<BranchInst>(BB->getTerminator())) {
     if (BI->isUnconditional()) {
       if (SimplifyUncondBranch(BI, Builder))
         return true;
@@ -6025,25 +6025,22 @@ bool SimplifyCFGOpt::run(BasicBlock *BB) {
       if (SimplifyCondBranch(BI, Builder))
         return true;
     }
-  } else if (ReturnInst *RI = dyn_cast<ReturnInst>(BB->getTerminator())) {
+  } else if (auto *RI = dyn_cast<ReturnInst>(BB->getTerminator())) {
     if (SimplifyReturn(RI, Builder))
       return true;
-  } else if (ResumeInst *RI = dyn_cast<ResumeInst>(BB->getTerminator())) {
+  } else if (auto *RI = dyn_cast<ResumeInst>(BB->getTerminator())) {
     if (SimplifyResume(RI, Builder))
       return true;
-  } else if (CleanupReturnInst *RI =
-                 dyn_cast<CleanupReturnInst>(BB->getTerminator())) {
+  } else if (auto *RI = dyn_cast<CleanupReturnInst>(BB->getTerminator())) {
     if (SimplifyCleanupReturn(RI))
       return true;
-  } else if (SwitchInst *SI = dyn_cast<SwitchInst>(BB->getTerminator())) {
+  } else if (auto *SI = dyn_cast<SwitchInst>(BB->getTerminator())) {
     if (SimplifySwitch(SI, Builder))
       return true;
-  } else if (UnreachableInst *UI =
-                 dyn_cast<UnreachableInst>(BB->getTerminator())) {
+  } else if (auto *UI = dyn_cast<UnreachableInst>(BB->getTerminator())) {
     if (SimplifyUnreachable(UI))
       return true;
-  } else if (IndirectBrInst *IBI =
-                 dyn_cast<IndirectBrInst>(BB->getTerminator())) {
+  } else if (auto *IBI = dyn_cast<IndirectBrInst>(BB->getTerminator())) {
     if (SimplifyIndirectBr(IBI))
       return true;
   }