[SamplePGO][NFC] Minor improvement to replace a temporary vector with a
brace-enclosed init list.

Differential Revision: https://reviews.llvm.org/D57726

llvm-svn: 353129
diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp
index bc2ceec..7483184 100644
--- a/llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -1327,9 +1327,8 @@
                             SortedCallTargets, Sum, IPVK_IndirectCallTarget,
                             SortedCallTargets.size());
         } else if (!dyn_cast<IntrinsicInst>(&I)) {
-          SmallVector<uint32_t, 1> Weights;
-          Weights.push_back(BlockWeights[BB]);
-          I.setMetadata(LLVMContext::MD_prof, MDB.createBranchWeights(Weights));
+          I.setMetadata(LLVMContext::MD_prof,
+                        MDB.createBranchWeights({BlockWeights[BB]}));
         }
       }
     }