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-rw-r--r--contrib/llvm/lib/Target/AArch64/AArch64A53Fix835769.cpp15
1 files changed, 7 insertions, 8 deletions
diff --git a/contrib/llvm/lib/Target/AArch64/AArch64A53Fix835769.cpp b/contrib/llvm/lib/Target/AArch64/AArch64A53Fix835769.cpp
index d7ef3f4..d215d9e 100644
--- a/contrib/llvm/lib/Target/AArch64/AArch64A53Fix835769.cpp
+++ b/contrib/llvm/lib/Target/AArch64/AArch64A53Fix835769.cpp
@@ -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) {
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