1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
index e9d42f3b490..976ff2b0f5a 100644
--- a/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonVLIWPacketizer.cpp
@@ -237,20 +237,20 @@ bool HexagonPacketizer::runOnMachineFunction(MachineFunction &Fn) {
       // instruction stream until we find the nearest boundary.
       MachineBasicBlock::iterator I = RegionEnd;
       for(;I != MBB->begin(); --I, --RemainingCount) {
-        if (TII->isSchedulingBoundary(llvm::prior(I), MBB, Fn))
+        if (TII->isSchedulingBoundary(std::prev(I), MBB, Fn))
           break;
       }
       I = MBB->begin();
 
       // Skip empty scheduling regions.
       if (I == RegionEnd) {
-        RegionEnd = llvm::prior(RegionEnd);
+        RegionEnd = std::prev(RegionEnd);
         --RemainingCount;
         continue;
       }
       // Skip regions with one instruction.
-      if (I == llvm::prior(RegionEnd)) {
-        RegionEnd = llvm::prior(RegionEnd);
+      if (I == std::prev(RegionEnd)) {
+        RegionEnd = std::prev(RegionEnd);
         continue;
       }