The DIBuilder class is just a wrapper around debug info creation
[oota-llvm.git] / lib / Transforms / Utils / Local.cpp
index 8e5927470d54b5d4f04d95e08f27e6f63ef18357..d836f3b55f62f6ac4b4cfb33492d56d54d2aa464 100644 (file)
 
 #include "llvm/Transforms/Utils/Local.h"
 #include "llvm/Constants.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/DIBuilder.h"
 #include "llvm/GlobalAlias.h"
 #include "llvm/GlobalVariable.h"
-#include "llvm/DerivedTypes.h"
 #include "llvm/Instructions.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/IntrinsicInst.h"
@@ -24,8 +26,6 @@
 #include "llvm/Operator.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Analysis/DIBuilder.h"
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/Analysis/MemoryBuiltins.h"
@@ -169,11 +169,11 @@ bool llvm::ConstantFoldTerminator(BasicBlock *BB, bool DeleteDeadConditions) {
       // Otherwise, we can fold this switch into a conditional branch
       // instruction if it has only one non-default destination.
       SwitchInst::CaseIt FirstCase = SI->case_begin();
-      IntegersSubset CaseRanges = FirstCase.getCaseValueEx();
-      if (CaseRanges.getNumItems() == 1 && CaseRanges.isSingleNumber(0)) {
+      IntegersSubset& Case = FirstCase.getCaseValueEx();
+      if (Case.isSingleNumber()) {
         // FIXME: Currently work with ConstantInt based numbers.
         Value *Cond = Builder.CreateICmpEQ(SI->getCondition(),
-            CaseRanges.getItem(0).getLow().toConstantInt(),
+             Case.getSingleNumber(0).toConstantInt(),
             "cond");
 
         // Insert the new branch.
@@ -183,7 +183,6 @@ bool llvm::ConstantFoldTerminator(BasicBlock *BB, bool DeleteDeadConditions) {
         // Delete the old switch.
         SI->eraseFromParent();
         return true;
-        
       }
     }
     return false;