AMDGPU/SI: Test commit

[oota-llvm.git] / lib / Target / AArch64 / AArch64A53Fix835769.cpp

diff --git a/lib/Target/AArch64/AArch64A53Fix835769.cpp b/lib/Target/AArch64/AArch64A53Fix835769.cpp
index 3bc5a54b5ae1c3a170c0d1e970adb6b111b27286..d215d9e831c061bc78514a6ac30ba3e8158615d6 100644 (file)
--- a/lib/Target/AArch64/AArch64A53Fix835769.cpp
+++ b/lib/Target/AArch64/AArch64A53Fix835769.cpp
@@ -48,7 +48,7 @@ static bool isFirstInstructionInSequence(MachineInstr *MI) {
   case AArch64::PRFUMi:
     return true;
   default:
-    return (MI->mayLoad() || MI->mayStore());
+    return MI->mayLoadOrStore();
   }
 }
 
@@ -122,7 +122,7 @@ AArch64A53Fix835769::runOnMachineFunction(MachineFunction &F) {
 static MachineBasicBlock *getBBFallenThrough(MachineBasicBlock *MBB,
                                              const TargetInstrInfo *TII) {
   // Get the previous machine basic block in the function.
-  MachineFunction::iterator MBBI = *MBB;
+  MachineFunction::iterator MBBI(MBB);
 
   // Can't go off top of function.
   if (MBBI == MBB->getParent()->begin())
@@ -131,7 +131,7 @@ static MachineBasicBlock *getBBFallenThrough(MachineBasicBlock *MBB,
   MachineBasicBlock *TBB = nullptr, *FBB = nullptr;
   SmallVector<MachineOperand, 2> Cond;
 
-  MachineBasicBlock *PrevBB = std::prev(MBBI);
+  MachineBasicBlock *PrevBB = &*std::prev(MBBI);
   for (MachineBasicBlock *S : MBB->predecessors())
     if (S == PrevBB && !TII->AnalyzeBranch(*PrevBB, TBB, FBB, Cond) &&
         !TBB && !FBB)
@@ -151,10 +151,9 @@ static MachineInstr *getLastNonPseudo(MachineBasicBlock &MBB,
   // If there is no non-pseudo in the current block, loop back around and try
   // the previous block (if there is one).
   while ((FMBB = getBBFallenThrough(FMBB, TII))) {
-    for (auto I = FMBB->rbegin(), E = FMBB->rend(); I != E; ++I) {
-      if (!I->isPseudo())
-        return &*I;
-    }
+    for (MachineInstr &I : make_range(FMBB->rbegin(), FMBB->rend()))
+      if (!I.isPseudo())
+        return &I;
   }
 
   // There was no previous non-pseudo in the fallen through blocks
@@ -217,8 +216,8 @@ AArch64A53Fix835769::runOnBasicBlock(MachineBasicBlock &MBB) {
     ++Idx;
   }
 
-  DEBUG(dbgs() << "Scan complete, "<< Sequences.size()
-               << " occurences of pattern found.\n");
+  DEBUG(dbgs() << "Scan complete, " << Sequences.size()
+               << " occurrences of pattern found.\n");
 
   // Then update the basic block, inserting nops between the detected sequences.
   for (auto &MI : Sequences) {