[llvm-commits] [llvm] r152373 - /llvm/trunk/lib/CodeGen/MachineScheduler.cpp

[Andrew Trick]

Author: atrick
Date: Thu Mar  8 21:46:39 2012
New Revision: 152373

URL: http://llvm.org/viewvc/llvm-project?rev=152373&view=rev
Log:
revert 152356: verify misched changes using -misched=shuffle.

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

Modified: llvm/trunk/lib/CodeGen/MachineScheduler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineScheduler.cpp?rev=152373&r1=152372&r2=152373&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineScheduler.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineScheduler.cpp Thu Mar  8 21:46:39 2012
@@ -144,13 +144,13 @@
     // Break the block into scheduling regions [I, RegionEnd), and schedule each
     // region as soon as it is discovered.
     unsigned RemainingCount = MBB->size();
-    for(MachineBasicBlock::iterator RegionEnd = MBB->end(),
-          RegionStart = MBB->begin(); RegionEnd != RegionStart;) {
+    for(MachineBasicBlock::iterator RegionEnd = MBB->end();
+        RegionEnd != MBB->begin();) {
       Scheduler->startBlock(MBB);
       // The next region starts above the previous region. Look backward in the
       // instruction stream until we find the nearest boundary.
       MachineBasicBlock::iterator I = RegionEnd;
-      for(;I != RegionStart; --I, --RemainingCount) {
+      for(;I != MBB->begin(); --I, --RemainingCount) {
         if (TII->isSchedulingBoundary(llvm::prior(I), MBB, *MF))
           break;
       }