[llvm] r337156 - [AMDGPU][Waitcnt] Re-apply fix "comparison of integers of different signs" build error"

[Mark Searles via llvm-commits]

Author: msearles
Date: Mon Jul 16 03:21:36 2018
New Revision: 337156

URL: http://llvm.org/viewvc/llvm-project?rev=337156&view=rev
Log:
[AMDGPU][Waitcnt] Re-apply fix "comparison of integers of different signs" build error"

Re-apply "[AMDGPU][Waitcnt] fix "comparison of integers of different signs" build error""
( fe0a456510131f268e388c4a18a92f575c0db183 ), which was inadvertantly reverted via
2b2ee080f0164485562593b1b87291a48cea4a9a .

Modified:
    llvm/trunk/lib/Target/AMDGPU/SIInsertWaitcnts.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIInsertWaitcnts.cpp?rev=337156&r1=337155&r2=337156&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIInsertWaitcnts.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIInsertWaitcnts.cpp Mon Jul 16 03:21:36 2018
@@ -1904,7 +1904,7 @@ bool SIInsertWaitcnts::runOnMachineFunct
       // If the loop has multiple back-edges, and so more than one "bottom"
       // basic block, we have to guarantee a re-walk over every blocks.
       if ((std::count(BlockWaitcntProcessedSet.begin(),
-                      BlockWaitcntProcessedSet.end(), &MBB) < Count)) {
+                      BlockWaitcntProcessedSet.end(), &MBB) < (int)Count)) {
         BlockWaitcntBracketsMap[&MBB]->setRevisitLoop(true);
         LLVM_DEBUG(dbgs() << "set-revisit1: Block"
                           << ContainingLoop->getHeader()->getNumber() << '\n';);