Apply clang-tidy's modernize-loop-convert to most of lib/Transforms.

Only minor manual fixes. No functionality change intended.

llvm-svn: 273808

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index 76b9f55ad0c..d64c658f843 100644
--- a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -1334,8 +1334,8 @@ bool MemCpyOptPass::iterateOnFunction(Function &F) {
   bool MadeChange = false;
 
   // Walk all instruction in the function.
-  for (Function::iterator BB = F.begin(), BBE = F.end(); BB != BBE; ++BB) {
-    for (BasicBlock::iterator BI = BB->begin(), BE = BB->end(); BI != BE;) {
+  for (BasicBlock &BB : F) {
+    for (BasicBlock::iterator BI = BB.begin(), BE = BB.end(); BI != BE;) {
       // Avoid invalidating the iterator.
       Instruction *I = &*BI++;
 
@@ -1357,7 +1357,8 @@ bool MemCpyOptPass::iterateOnFunction(Function &F) {
 
       // Reprocess the instruction if desired.
       if (RepeatInstruction) {
-        if (BI != BB->begin()) --BI;
+        if (BI != BB.begin())
+          --BI;
         MadeChange = true;
       }
     }