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[TrivialDeadness] Update function comment 

isInstructionTriviallyDead also works for certain side-effecting
instructions.
Update incorrect comment (as suggested in D109917).
This commit is contained in:
Anna Thomas 2021-10-01 11:49:25 -04:00
parent 343b9e8590
commit f98a918d34
1 changed files with 2 additions and 1 deletions
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3
llvm/include/llvm/Transforms/Utils/Local.h
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@ -78,7 +78,8 @@ bool ConstantFoldTerminator(BasicBlock *BB, bool DeleteDeadConditions = false,
//
/// Return true if the result produced by the instruction is not used, and the
/// instruction has no side effects.
/// instruction will return. Certain side-effecting instructions are also
/// considered dead if there are no uses of the instruction.
bool isInstructionTriviallyDead(Instruction *I,
const TargetLibraryInfo *TLI = nullptr);