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| author | Vedant Kumar <vsk@apple.com> | 2018-12-21 21:49:40 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2018-12-21 21:49:40 +0000 |
| commit | b264d69de7dfcb94da9719a59bdd2fd3a8063b6a (patch) | |
| tree | f5440f9e50894ba9cea733d240fbc14627ea424a /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 8ed73c20586e073221b4e712a399b10fdb290fa4 (diff) | |
| download | bcm5719-llvm-b264d69de7dfcb94da9719a59bdd2fd3a8063b6a.tar.gz bcm5719-llvm-b264d69de7dfcb94da9719a59bdd2fd3a8063b6a.zip | |
[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
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 831fb5751de..499e611acb5 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -393,8 +393,7 @@ bool llvm::wouldInstructionBeTriviallyDead(Instruction *I, return true; // Lifetime intrinsics are dead when their right-hand is undef. - if (II->getIntrinsicID() == Intrinsic::lifetime_start || - II->getIntrinsicID() == Intrinsic::lifetime_end) + if (II->isLifetimeStartOrEnd()) return isa<UndefValue>(II->getArgOperand(1)); // Assumptions are dead if their condition is trivially true. Guards on |
