fewer things into the value numbering maps, but any speedup is beneath the noise threshold on my machine
on 403.gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122844
91177308-0d34-0410-b5e6-
96231b3b80d8
return false;
}
+ // Instructions with void type don't return a value, so there's
+ // no point in trying to find redudancies in them.
+ if (I->getType()->isVoidTy()) return false;
+
uint32_t NextNum = VN.getNextUnusedValueNumber();
unsigned Num = VN.lookup_or_add(I);