[Local] Delete a redundant check. NFC
isInstructionTriviallyDead also performs the use_empty() check.
llvm-svn: 353637
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index 062bbcd..933a69c 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -429,7 +429,7 @@
bool llvm::RecursivelyDeleteTriviallyDeadInstructions(
Value *V, const TargetLibraryInfo *TLI, MemorySSAUpdater *MSSAU) {
Instruction *I = dyn_cast<Instruction>(V);
- if (!I || !I->use_empty() || !isInstructionTriviallyDead(I, TLI))
+ if (!I || !isInstructionTriviallyDead(I, TLI))
return false;
SmallVector<Instruction*, 16> DeadInsts;