AMDGPU: Fix trailing whitespace

llvm-svn: 272364
diff --git a/llvm/lib/Target/AMDGPU/R600EmitClauseMarkers.cpp b/llvm/lib/Target/AMDGPU/R600EmitClauseMarkers.cpp
index fdc2030..8c690a7 100644
--- a/llvm/lib/Target/AMDGPU/R600EmitClauseMarkers.cpp
+++ b/llvm/lib/Target/AMDGPU/R600EmitClauseMarkers.cpp
@@ -276,7 +276,7 @@
     BuildMI(MBB, ClauseHead, MBB.findDebugLoc(ClauseHead), TII->get(Opcode))
     // We don't use the ADDR field until R600ControlFlowFinalizer pass, where
     // it is safe to assume it is 0. However if we always put 0 here, the ifcvt
-    // pass may assume that identical ALU clause starter at the beginning of a 
+    // pass may assume that identical ALU clause starter at the beginning of a
     // true and false branch can be factorized which is not the case.
         .addImm(Address++) // ADDR
         .addImm(KCacheBanks.empty()?0:KCacheBanks[0].first) // KB0