From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 31 Oct 2012 13:45:49 +0000 (+0000)
Subject: Replace some instances of UniqueVector with SetVector, which is slightly cheaper.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1559127f6f487bbe4f123161e9a5d20556e59d87;p=platform%2Fupstream%2Fllvm.git

Replace some instances of UniqueVector with SetVector, which is slightly cheaper.

No functionality change.

llvm-svn: 167116
---

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 7ac0af7..2b34e56 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -850,9 +850,9 @@ void DwarfDebug::endModule() {
   Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("data_end"));
 
   // End text sections.
-  for (unsigned i = 1, N = SectionMap.size(); i <= N; ++i) {
-    Asm->OutStreamer.SwitchSection(SectionMap[i]);
-    Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_end", i));
+  for (unsigned I = 0, E = SectionMap.size(); I != E; ++I) {
+    Asm->OutStreamer.SwitchSection(SectionMap[I]);
+    Asm->OutStreamer.EmitLabel(Asm->GetTempSymbol("section_end", I+1));
   }
 
   // Compute DIE offsets and sizes.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 20e232d..61d9a51 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -21,9 +21,9 @@
 #include "llvm/MC/MachineLocation.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/FoldingSet.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/UniqueVector.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/DebugLoc.h"
 
@@ -231,7 +231,7 @@ class DwarfDebug {
   
   /// SectionMap - Provides a unique id per text section.
   ///
-  UniqueVector<const MCSection*> SectionMap;
+  SetVector<const MCSection*> SectionMap;
 
   /// CurrentFnArguments - List of Arguments (DbgValues) for current function.
   SmallVector<DbgVariable *, 8> CurrentFnArguments;
diff --git a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp
index d8f374c3..18409f7 100644
--- a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp
@@ -28,9 +28,9 @@
 #include "llvm/Analysis/CallGraph.h"
 #include "llvm/Analysis/CaptureTracking.h"
 #include "llvm/ADT/SCCIterator.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/UniqueVector.h"
 #include "llvm/Support/InstIterator.h"
 using namespace llvm;
 
@@ -486,13 +486,13 @@ bool FunctionAttrs::AddNoCaptureAttrs(const CallGraphSCC &SCC) {
 /// or a pointer that doesn't alias any other pointer visible to the caller.
 bool FunctionAttrs::IsFunctionMallocLike(Function *F,
                               SmallPtrSet<Function*, 8> &SCCNodes) const {
-  UniqueVector<Value *> FlowsToReturn;
+  SmallSetVector<Value *, 8> FlowsToReturn;
   for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I)
     if (ReturnInst *Ret = dyn_cast<ReturnInst>(I->getTerminator()))
       FlowsToReturn.insert(Ret->getReturnValue());
 
   for (unsigned i = 0; i != FlowsToReturn.size(); ++i) {
-    Value *RetVal = FlowsToReturn[i+1];   // UniqueVector[0] is reserved.
+    Value *RetVal = FlowsToReturn[i];
 
     if (Constant *C = dyn_cast<Constant>(RetVal)) {
       if (!C->isNullValue() && !isa<UndefValue>(C))