[IR] Add Instruction::isLifetimeStartOrEnd, NFC
Instruction::isLifetimeStartOrEnd() checks whether an Instruction is an
llvm.lifetime.start or an llvm.lifetime.end intrinsic.
This was suggested as a cleanup in D55967.
Differential Revision: https://reviews.llvm.org/D56019
llvm-svn: 349964
diff --git a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index 92a60fa..2dd961b 100644
--- a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -919,8 +919,7 @@
continue;
}
if (const IntrinsicInst *IT = dyn_cast<IntrinsicInst>(U))
- if (IT->getIntrinsicID() == Intrinsic::lifetime_start ||
- IT->getIntrinsicID() == Intrinsic::lifetime_end)
+ if (IT->isLifetimeStartOrEnd())
continue;
if (U != C && U != cpy)