Simplify; NFC

Not shown in the diff: AQ is a `vector<SUnit *>`, and SU is a `SUnit *`

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@334451 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/R600MachineScheduler.cpp b/lib/Target/AMDGPU/R600MachineScheduler.cpp
index 1dfd840..dbe83bc 100644 (file)
--- a/lib/Target/AMDGPU/R600MachineScheduler.cpp
+++ b/lib/Target/AMDGPU/R600MachineScheduler.cpp
@@ -459,7 +459,7 @@ SUnit* R600SchedStrategy::pickOther(int QID) {
   }
   if (!AQ.empty()) {
     SU = AQ.back();
-    AQ.resize(AQ.size() - 1);
+    AQ.pop_back();
   }
   return SU;
 }