[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/IR/BasicBlock.cpp b/llvm/lib/IR/BasicBlock.cpp
index e9eb686..3759243 100644
--- a/llvm/lib/IR/BasicBlock.cpp
+++ b/llvm/lib/IR/BasicBlock.cpp
@@ -206,10 +206,8 @@
if (isa<PHINode>(I) || isa<DbgInfoIntrinsic>(I))
continue;
- if (auto *II = dyn_cast<IntrinsicInst>(&I))
- if (II->getIntrinsicID() == Intrinsic::lifetime_start ||
- II->getIntrinsicID() == Intrinsic::lifetime_end)
- continue;
+ if (I.isLifetimeStartOrEnd())
+ continue;
return &I;
}
diff --git a/llvm/lib/IR/Instruction.cpp b/llvm/lib/IR/Instruction.cpp
index f077957..d861b52 100644
--- a/llvm/lib/IR/Instruction.cpp
+++ b/llvm/lib/IR/Instruction.cpp
@@ -598,6 +598,14 @@
!this->isTerminator();
}
+bool Instruction::isLifetimeStartOrEnd() const {
+ auto II = dyn_cast<IntrinsicInst>(this);
+ if (!II)
+ return false;
+ Intrinsic::ID ID = II->getIntrinsicID();
+ return ID == Intrinsic::lifetime_start || ID == Intrinsic::lifetime_end;
+}
+
const Instruction *Instruction::getNextNonDebugInstruction() const {
for (const Instruction *I = getNextNode(); I; I = I->getNextNode())
if (!isa<DbgInfoIntrinsic>(I))