CodeGen: Avoid more ilist iterator implicit conversions, NFC

llvm-svn: 249903

1 files changed, 6 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index fab56bcfe85..13e753692de 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -148,7 +148,7 @@ void PEI::calculateSets(MachineFunction &Fn) {
   }
 
   // Save refs to entry and return blocks.
-  SaveBlocks.push_back(Fn.begin());
+  SaveBlocks.push_back(&Fn.front());
   for (MachineBasicBlock &MBB : Fn) {
     if (MBB.isEHFuncletEntry())
       SaveBlocks.push_back(&MBB);
@@ -829,12 +829,12 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
   }
 
   // Handle the unreachable blocks.
-  for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB) {
-    if (Reachable.count(BB))
+  for (auto &BB : Fn) {
+    if (Reachable.count(&BB))
       // Already handled in DFS traversal.
       continue;
     int SPAdj = 0;
-    replaceFrameIndices(BB, Fn, SPAdj);
+    replaceFrameIndices(&BB, Fn, SPAdj);
   }
 }
 
@@ -967,7 +967,7 @@ PEI::scavengeFrameVirtualRegs(MachineFunction &Fn) {
   // Run through the instructions and find any virtual registers.
   for (MachineFunction::iterator BB = Fn.begin(),
        E = Fn.end(); BB != E; ++BB) {
-    RS->enterBasicBlock(BB);
+    RS->enterBasicBlock(&*BB);
 
     int SPAdj = 0;
 
@@ -1028,7 +1028,7 @@ PEI::scavengeFrameVirtualRegs(MachineFunction &Fn) {
       // problem because we need the spill code before I: Move I to just
       // prior to J.
       if (I != std::prev(J)) {
-        BB->splice(J, BB, I);
+        BB->splice(J, &*BB, I);
 
         // Before we move I, we need to prepare the RS to visit I again.
         // Specifically, RS will assert if it sees uses of registers that