================
@@ -74,11 +84,25 @@ class AnalysisImpl
/// one.
Lattice join(Lattice L1, Lattice L2) const {
LivenessMap Merged = L1.LiveOrigins;
- // Take the earliest UseFact to make the join hermetic and commutative.
- auto CombineUseFact = [](const UseFact &A,
- const UseFact &B) -> const UseFact * {
- return A.getUseExpr()->getExprLoc() < B.getUseExpr()->getExprLoc() ? &A
- : &B;
+ // Take the earliest Fact to make the join hermetic and commutative.
+ auto CombineCausingFact = [](const Fact &A, const Fact &B) -> const Fact *
{
+ SourceLocation LocA = GetFactLoc(A);
+ SourceLocation LocB = GetFactLoc(B);
+
+ bool aValid = LocA.isValid();
+ bool bValid = LocB.isValid();
+
+ if (aValid && bValid) {
+ if (LocA < LocB)
+ return &A;
+ if (LocB < LocA)
+ return &B;
+ } else if (aValid) {
+ return &A;
+ } else if (bValid) {
+ return &B;
+ }
+ return &A < &B ? &A : &B;
----------------
kashika0112 wrote:
Done
https://github.com/llvm/llvm-project/pull/165370
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