Don't taint relaxed loads that immediately comes before an AcqRel read-modify-write op

[oota-llvm.git] / examples / Kaleidoscope / Chapter5 / toy.cpp

diff --git a/examples/Kaleidoscope/Chapter5/toy.cpp b/examples/Kaleidoscope/Chapter5/toy.cpp
index 29db71c20a8143f88a23562704bf2d9af1404d6e..eeca4775eeb11698617b88fa8b2275dee9b1cdb7 100644 (file)
--- a/examples/Kaleidoscope/Chapter5/toy.cpp
+++ b/examples/Kaleidoscope/Chapter5/toy.cpp
@@ -1,5 +1,4 @@
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/Analysis/BasicAliasAnalysis.h"
 #include "llvm/Analysis/Passes.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/LLVMContext.h"
@@ -83,7 +82,7 @@ static int gettok() {
       LastChar = getchar();
     } while (isdigit(LastChar) || LastChar == '.');
 
-    NumVal = strtod(NumStr.c_str(), 0);
+    NumVal = strtod(NumStr.c_str(), nullptr);
     return tok_number;
   }
 
@@ -243,6 +242,7 @@ std::unique_ptr<ExprAST> Error(const char *Str) {
   fprintf(stderr, "Error: %s\n", Str);
   return nullptr;
 }
+
 std::unique_ptr<PrototypeAST> ErrorP(const char *Str) {
   Error(Str);
   return nullptr;
@@ -808,8 +808,6 @@ static void InitializeModuleAndPassManager() {
   // Create a new pass manager attached to it.
   TheFPM = llvm::make_unique<legacy::FunctionPassManager>(TheModule.get());
 
-  // Provide basic AliasAnalysis support for GVN.
-  TheFPM->add(createBasicAliasAnalysisPass());
   // Do simple "peephole" optimizations and bit-twiddling optzns.
   TheFPM->add(createInstructionCombiningPass());
   // Reassociate expressions.