================
@@ -11774,6 +11774,74 @@ bool VectorExprEvaluator::VisitCallExpr(const CallExpr
*E) {
return LHS.isSigned() ? LHS.ssub_sat(RHS) : LHS.usub_sat(RHS);
});
+ case X86::BI__builtin_ia32_extract128i256:
+ case X86::BI__builtin_ia32_vextractf128_pd256:
+ case X86::BI__builtin_ia32_vextractf128_ps256:
+ case X86::BI__builtin_ia32_vextractf128_si256: {
+ APValue SourceVec, SourceImm;
+ if (!EvaluateAsRValue(Info, E->getArg(0), SourceVec) ||
+ !EvaluateAsRValue(Info, E->getArg(1), SourceImm))
+ return false;
+
+ if (!SourceVec.isVector())
+ return false;
+
+ const auto *RetVT = E->getType()->castAs<VectorType>();
+ unsigned RetLen = RetVT->getNumElements();
+ unsigned SrcLen = SourceVec.getVectorLength();
----------------
RKSimon wrote:
SrcLen unused variable
https://github.com/llvm/llvm-project/pull/162836
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