[X86][Haswell][SchedModel] Add architecture specific scheduling models.

[oota-llvm.git] / lib / Transforms / Scalar / ADCE.cpp

diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index a3eb07a9f6d66507a76fb5b23f07c597482b9011..1a3a4aadce6a27f9f3baed7020f644ce1d88da17 100644 (file)
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -14,20 +14,21 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "adce"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/CFG.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/Pass.h"
-#include "llvm/Support/CFG.h"
-#include "llvm/Support/InstIterator.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "adce"
+
 STATISTIC(NumRemoved, "Number of instructions removed");
 
 namespace {
@@ -37,9 +38,9 @@ namespace {
       initializeADCEPass(*PassRegistry::getPassRegistry());
     }
 
-    virtual bool runOnFunction(Function& F);
+    bool runOnFunction(Function& F) override;
 
-    virtual void getAnalysisUsage(AnalysisUsage& AU) const {
+    void getAnalysisUsage(AnalysisUsage& AU) const override {
       AU.setPreservesCFG();
     }
 
@@ -50,6 +51,9 @@ char ADCE::ID = 0;
 INITIALIZE_PASS(ADCE, "adce", "Aggressive Dead Code Elimination", false, false)
 
 bool ADCE::runOnFunction(Function& F) {
+  if (skipOptnoneFunction(F))
+    return false;
+
   SmallPtrSet<Instruction*, 128> alive;
   SmallVector<Instruction*, 128> worklist;