maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[InstCombine] Remove unnecessary worklist add; NFCI 

The IRBuilder will automatically add instructions to the worklist.
Adding it manually is unnecessary, but may mess up worklist order.
This commit is contained in:
Nikita Popov 2020-01-30 23:06:28 +01:00
parent cad91074a6
commit 90b5ed996b
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
View File

@ -4680,9 +4680,7 @@ static Instruction *processUMulZExtIdiom(ICmpInst &I, Value *MulVal,
ConstantInt *CI = cast<ConstantInt>(BO->getOperand(1));
APInt ShortMask = CI->getValue().trunc(MulWidth);
Value *ShortAnd = Builder.CreateAnd(Mul, ShortMask);
Instruction *Zext =
cast<Instruction>(Builder.CreateZExt(ShortAnd, BO->getType()));
IC.Worklist.Add(Zext);
Value *Zext = Builder.CreateZExt(ShortAnd, BO->getType());
IC.replaceInstUsesWith(*BO, Zext);
} else {
llvm_unreachable("Unexpected Binary operation");