Use cast<> instead of dyn_cast<> for things that are known to be

Instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73002 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 2 insertions, 7 deletions

diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 2c01cc30bd..5f12825f04 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -932,8 +932,7 @@ static bool ValueIsOnlyUsedLocallyOrStoredToOneGlobal(Instruction *V,
                                                       GlobalVariable *GV,
                                               SmallPtrSet<PHINode*, 8> &PHIs) {
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E;++UI){
-    Instruction *Inst = dyn_cast<Instruction>(*UI);
-    if (Inst == 0) return false;
+    Instruction *Inst = cast<Instruction>(*UI);
     
     if (isa<LoadInst>(Inst) || isa<CmpInst>(Inst)) {
       continue; // Fine, ignore.
diff --git a/lib/Transforms/IPO/IPConstantPropagation.cpp b/lib/Transforms/IPO/IPConstantPropagation.cpp
index 2dc8558246..e4a9deadd9 100644
--- a/lib/Transforms/IPO/IPConstantPropagation.cpp
+++ b/lib/Transforms/IPO/IPConstantPropagation.cpp
@@ -241,15 +241,11 @@ bool IPCP::PropagateConstantReturn(Function &F) {
    
     for (Value::use_iterator I = Call->use_begin(), E = Call->use_end();
          I != E;) {
-      Instruction *Ins = dyn_cast<Instruction>(*I);
+      Instruction *Ins = cast<Instruction>(*I);
 
       // Increment now, so we can remove the use
       ++I;
 
-      // Not an instruction? Ignore
-      if (!Ins)
-        continue;
-
       // Find the index of the retval to replace with
       int index = -1;
       if (ExtractValueInst *EV = dyn_cast<ExtractValueInst>(Ins))