Remove gcc warning when comparing an unsigned var for >= 0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247352 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index b02d2923b8ee95b20d14ccdec7cad9f441697f4e..37ddc0ac862ffafd2c54f7b617225e2dfcfb9196 100644 (file)
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -3430,7 +3430,7 @@ static bool EliminateDeadSwitchCases(SwitchInst *SI, AssumptionCache *AC,
     !isa<UnreachableInst>(SI->getDefaultDest()->getFirstNonPHIOrDbg());
   const unsigned NumUnknownBits = Bits - 
     (KnownZero.Or(KnownOne)).countPopulation();
-  assert(0 <= NumUnknownBits && NumUnknownBits <= Bits);
+  assert(NumUnknownBits <= Bits);
   if (HasDefault && DeadCases.empty() &&
       NumUnknownBits < 64 /* avoid overflow */ &&  
       SI->getNumCases() == (1ULL << NumUnknownBits)) {