[llvm] r274311 - CodeGen: Use MachineInstr& in PostRAHazardRecognizer, NFC

[Duncan P. N. Exon Smith via llvm-commits]

Author: dexonsmith
Date: Thu Jun 30 19:50:29 2016
New Revision: 274311

URL: http://llvm.org/viewvc/llvm-project?rev=274311&view=rev
Log:
CodeGen: Use MachineInstr& in PostRAHazardRecognizer, NFC

Convert a loop to a range-based for, using MachineInstr& instead of
MachineInstr* and removing an implicit conversion from iterator to
pointer.

Modified:
    llvm/trunk/lib/CodeGen/PostRAHazardRecognizer.cpp

Modified: llvm/trunk/lib/CodeGen/PostRAHazardRecognizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PostRAHazardRecognizer.cpp?rev=274311&r1=274310&r2=274311&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/PostRAHazardRecognizer.cpp (original)
+++ llvm/trunk/lib/CodeGen/PostRAHazardRecognizer.cpp Thu Jun 30 19:50:29 2016
@@ -79,18 +79,16 @@ bool PostRAHazardRecognizer::runOnMachin
   for (auto &MBB : Fn) {
     // We do not call HazardRec->reset() here to make sure we are handling noop
     // hazards at the start of basic blocks.
-    for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end();
-         I != E; ++I) {
-      MachineInstr *MI = I;
+    for (MachineInstr &MI : MBB) {
       // If we need to emit noops prior to this instruction, then do so.
-      unsigned NumPreNoops = HazardRec->PreEmitNoops(MI);
+      unsigned NumPreNoops = HazardRec->PreEmitNoops(&MI);
       for (unsigned i = 0; i != NumPreNoops; ++i) {
         HazardRec->EmitNoop();
-        TII->insertNoop(MBB, I);
+        TII->insertNoop(MBB, MachineBasicBlock::iterator(MI));
         ++NumNoops;
       }
 
-      HazardRec->EmitInstruction(MI);
+      HazardRec->EmitInstruction(&MI);
       if (HazardRec->atIssueLimit()) {
         HazardRec->AdvanceCycle();
       }