================
@@ -149,14 +157,44 @@ class SourceLocationSequence::State {
operator SourceLocationSequence *() { return &Seq; }
};
-inline uint64_t SourceLocationEncoding::encode(SourceLocation Loc,
- SourceLocationSequence *Seq) {
- return Seq ? Seq->encode(Loc) : encodeRaw(Loc.getRawEncoding());
+inline SourceLocationEncoding::RawLocEncoding
+SourceLocationEncoding::encode(SourceLocation Loc, UIntTy BaseOffset,
+ unsigned BaseModuleFileIndex,
+ SourceLocationSequence *Seq) {
+ // If the source location is a local source location, we can try to optimize
+ // the similar sequences to only record the differences.
+ if (!BaseOffset)
+ return Seq ? Seq->encode(Loc) : encodeRaw(Loc.getRawEncoding());
+
+ if (Loc.isInvalid())
+ return 0;
+
+ // Otherwise, the higher bits are used to store the module file index,
+ // so it is meaningless to optimize the source locations into small
+ // integers. Let's try to always use the raw encodings.
+ assert(Loc.getOffset() >= BaseOffset);
+ Loc = Loc.getLocWithOffset(-BaseOffset);
+ RawLocEncoding Encoded = encodeRaw(Loc.getRawEncoding());
+ assert(Encoded < ((RawLocEncoding)1 << 32));
----------------
jansvoboda11 wrote:
My compiler says:
```
warning: result of comparison of constant 4294967296 with expression of type
'unsigned int' is always true [-Wtautological-constant-out-of-range-compare]
```
https://github.com/llvm/llvm-project/pull/86912
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
