Remove tabs.

llvm-svn: 160477
diff --git a/llvm/lib/Transforms/IPO/ExtractGV.cpp b/llvm/lib/Transforms/IPO/ExtractGV.cpp
index d9911bf..4c7f0ed 100644
--- a/llvm/lib/Transforms/IPO/ExtractGV.cpp
+++ b/llvm/lib/Transforms/IPO/ExtractGV.cpp
@@ -53,12 +53,12 @@
            I != E; ++I) {
         if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) {
           I->setInitializer(0);
-	} else {
-	  if (I->hasAvailableExternallyLinkage())
-	    continue;
-	  if (I->getName() == "llvm.global_ctors")
-	    continue;
-	}
+        } else {
+          if (I->hasAvailableExternallyLinkage())
+            continue;
+          if (I->getName() == "llvm.global_ctors")
+            continue;
+        }
 
         if (I->hasLocalLinkage())
           I->setVisibility(GlobalValue::HiddenVisibility);
@@ -69,10 +69,10 @@
       for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
         if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) {
           I->deleteBody();
-	} else {
-	  if (I->hasAvailableExternallyLinkage())
-	    continue;
-	}
+        } else {
+          if (I->hasAvailableExternallyLinkage())
+            continue;
+        }
 
         if (I->hasLocalLinkage())
           I->setVisibility(GlobalValue::HiddenVisibility);
diff --git a/llvm/lib/Transforms/IPO/MergeFunctions.cpp b/llvm/lib/Transforms/IPO/MergeFunctions.cpp
index 715a384..9f70f66 100644
--- a/llvm/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/llvm/lib/Transforms/IPO/MergeFunctions.cpp
@@ -389,7 +389,7 @@
     if (!C2) return false;
     // TODO: constant expressions with GEP or references to F1 or F2.
     if (C1->isNullValue() && C2->isNullValue() &&
-	isEquivalentType(C1->getType(), C2->getType()))
+        isEquivalentType(C1->getType(), C2->getType()))
       return true;
     // Try bitcasting C2 to C1's type. If the bitcast is legal and returns C1
     // then they must have equal bit patterns.
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 88405c9..68ecd51 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -207,7 +207,7 @@
           // Conservatively clear the optional flags, since they may not be
           // preserved by the reassociation.
           if (MaintainNoSignedWrap(I, B, C) &&
-	      (!Op0 || (isa<BinaryOperator>(Op0) && Op0->hasNoSignedWrap()))) {
+              (!Op0 || (isa<BinaryOperator>(Op0) && Op0->hasNoSignedWrap()))) {
             // Note: this is only valid because SimplifyBinOp doesn't look at
             // the operands to Op0.
             I.clearSubclassOptionalData();