[asan] add -asan-coverage=3: instrument all blocks and critical edges.

[oota-llvm.git] / lib / Transforms / IPO / PartialInlining.cpp

diff --git a/lib/Transforms/IPO/PartialInlining.cpp b/lib/Transforms/IPO/PartialInlining.cpp
index ac88aee45fc41050dbfa66caeeb086c749e606d6..76d6dfa8e881b205d66ea32e02b9e94c0fbc0499 100644 (file)
--- a/lib/Transforms/IPO/PartialInlining.cpp
+++ b/lib/Transforms/IPO/PartialInlining.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "partialinlining"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/CFG.h"
@@ -24,6 +23,8 @@
 #include "llvm/Transforms/Utils/CodeExtractor.h"
 using namespace llvm;
 
+#define DEBUG_TYPE "partialinlining"
+
 STATISTIC(NumPartialInlined, "Number of functions partially inlined");
 
 namespace {
@@ -52,10 +53,10 @@ Function* PartialInliner::unswitchFunction(Function* F) {
   BasicBlock* entryBlock = F->begin();
   BranchInst *BR = dyn_cast<BranchInst>(entryBlock->getTerminator());
   if (!BR || BR->isUnconditional())
-    return 0;
+    return nullptr;
   
-  BasicBlock* returnBlock = 0;
-  BasicBlock* nonReturnBlock = 0;
+  BasicBlock* returnBlock = nullptr;
+  BasicBlock* nonReturnBlock = nullptr;
   unsigned returnCount = 0;
   for (succ_iterator SI = succ_begin(entryBlock), SE = succ_end(entryBlock);
        SI != SE; ++SI)
@@ -66,7 +67,7 @@ Function* PartialInliner::unswitchFunction(Function* F) {
       nonReturnBlock = *SI;
   
   if (returnCount != 1)
-    return 0;
+    return nullptr;
   
   // Clone the function, so that we can hack away on it.
   ValueToValueMapTy VMap;