Skip to content

[ADT] Simplify SparseBitVectorElement::unionWith and friends. NFC. #143775

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

[ADT] Simplify SparseBitVectorElement::unionWith and friends. NFC. #143775

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions llvm/include/llvm/ADT/SparseBitVector.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -172,10 +172,10 @@ template <unsigned ElementSize = 128> struct SparseBitVectorElement {
bool unionWith(const SparseBitVectorElement &RHS) {
bool changed = false;
for (unsigned i = 0; i < BITWORDS_PER_ELEMENT; ++i) {
BitWord old = changed ? 0 : Bits[i];
BitWord old = Bits[i];

Bits[i] |= RHS.Bits[i];
if (!changed && old != Bits[i])
if (old != Bits[i])
changed = true;
}
return changed;
Expand All @@ -199,13 +199,13 @@ template <unsigned ElementSize = 128> struct SparseBitVectorElement {

BecameZero = false;
for (unsigned i = 0; i < BITWORDS_PER_ELEMENT; ++i) {
BitWord old = changed ? 0 : Bits[i];
BitWord old = Bits[i];

Bits[i] &= RHS.Bits[i];
if (Bits[i] != 0)
allzero = false;

if (!changed && old != Bits[i])
if (old != Bits[i])
changed = true;
}
BecameZero = allzero;
Expand All @@ -222,13 +222,13 @@ template <unsigned ElementSize = 128> struct SparseBitVectorElement {

BecameZero = false;
for (unsigned i = 0; i < BITWORDS_PER_ELEMENT; ++i) {
BitWord old = changed ? 0 : Bits[i];
BitWord old = Bits[i];

Bits[i] &= ~RHS.Bits[i];
if (Bits[i] != 0)
allzero = false;

if (!changed && old != Bits[i])
if (old != Bits[i])
changed = true;
}
BecameZero = allzero;
Expand Down
Loading