================
@@ -13373,6 +13373,35 @@ bool VectorExprEvaluator::VisitCallExpr(const CallExpr
*E) {
}
return Success(APValue(ResultElements.data(), ResultElements.size()), E);
}
+ case clang::X86::BI__builtin_ia32_addsubpd:
+ case clang::X86::BI__builtin_ia32_addsubps:
+ case clang::X86::BI__builtin_ia32_addsubpd256:
+ case clang::X86::BI__builtin_ia32_addsubps256: {
+ // Addsub: alternates between subtraction and addition
+ // Result[i] = (i % 2 == 0) ? (a[i] - b[i]) : (a[i] + b[i])
+ APValue SourceLHS, SourceRHS;
+ if (!EvaluateAsRValue(Info, E->getArg(0), SourceLHS) ||
+ !EvaluateAsRValue(Info, E->getArg(1), SourceRHS))
+ return false;
+ unsigned NumElts = SourceLHS.getVectorLength();
+ SmallVector<APValue, 8> ResultElements;
+ ResultElements.reserve(NumElts);
+ llvm::RoundingMode RM = getActiveRoundingMode(getEvalInfo(), E);
+
+ for (unsigned I = 0; I < NumElts; ++I) {
----------------
RKSimon wrote:
```suggestion
for (unsigned I = 0; I != NumElems; ++I) {
```
https://github.com/llvm/llvm-project/pull/167512
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