================
@@ -13650,6 +13650,51 @@ static bool getBuiltinAlignArguments(const CallExpr
*E, EvalInfo &Info,
bool IntExprEvaluator::VisitBuiltinCallExpr(const CallExpr *E,
unsigned BuiltinOp) {
+ auto EvalTestOp =
+ [&](llvm::function_ref<bool(const APInt &, const APInt &)> Fn) {
+ APValue SourceLHS, SourceRHS;
+ if (!EvaluateAsRValue(Info, E->getArg(0), SourceLHS) ||
+ !EvaluateAsRValue(Info, E->getArg(1), SourceRHS))
+ return false;
+
+ unsigned SourceLen = SourceLHS.getVectorLength();
+
+ const VectorType *VT = E->getArg(0)->getType()->castAs<VectorType>();
+ QualType ElemQT = VT->getElementType();
+
+ if (ElemQT->isIntegerType()) {
+ const unsigned LaneWidth =
+ SourceLHS.getVectorElt(0).getInt().getBitWidth();
+ APInt AWide(LaneWidth * SourceLen, 0);
+ APInt BWide(LaneWidth * SourceLen, 0);
+
+ for (unsigned I = 0; I != SourceLen; ++I) {
+ APInt ALane = SourceLHS.getVectorElt(I).getInt();
+ APInt BLane = SourceRHS.getVectorElt(I).getInt();
+ AWide.insertBits(ALane, I * LaneWidth);
+ BWide.insertBits(BLane, I * LaneWidth);
+ }
+ return Success(Fn(AWide, BWide), E);
+
+ } else if (ElemQT->isFloatingType()) {
----------------
RKSimon wrote:
(style) break if-else chain when each block returns:
```
if (ElemQT->isIntegerType()) {
....
return ....
}
if (ElemQT->isFloatingType()) {
....
return ....
}
return false;
```
https://github.com/llvm/llvm-project/pull/160428
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