[unroll] Remove pointless dyn_cast<>s to Instruction - the users of an

instruction must by definition be instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229061 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2015-02-13 04:33:21 +00:00
parent 2d38576d56
commit 17cc3c80ee

View File

@ -468,12 +468,8 @@ public:
if (CountedInstructions.insert(LI).second)
NumberOfOptimizedInstructions += TTI.getUserCost(LI);
for (User *U : LI->users()) {
Instruction *UI = dyn_cast<Instruction>(U);
if (!UI)
continue;
Worklist.insert(UI);
}
for (User *U : LI->users())
Worklist.insert(cast<Instruction>(U));
}
// And then we try to simplify every user of every instruction from the
@ -485,12 +481,8 @@ public:
continue;
if (!visit(I))
continue;
for (User *U : I->users()) {
Instruction *UI = dyn_cast<Instruction>(U);
if (!UI)
continue;
Worklist.insert(UI);
}
for (User *U : I->users())
Worklist.insert(cast<Instruction>(U));
}
return NumberOfOptimizedInstructions;
}