================
@@ -2962,6 +2962,85 @@ static bool interp__builtin_elementwise_triop(
return true;
}
+static bool interp__builtin_x86_extract_vector(InterpState &S, CodePtr OpPC,
+ const CallExpr *Call,
+ unsigned ID) {
+ assert(Call->getNumArgs() == 2);
+
+ APSInt ImmAPS = popToAPSInt(S, Call->getArg(1));
+ uint64_t Index = ImmAPS.getZExtValue();
+
+ const Pointer &Src = S.Stk.pop<Pointer>();
+ if (!Src.getFieldDesc()->isPrimitiveArray())
+ return false;
+
+ const Pointer &Dst = S.Stk.peek<Pointer>();
+ if (!Dst.getFieldDesc()->isPrimitiveArray())
+ return false;
+
+ unsigned SrcElems = Src.getNumElems();
+ unsigned DstElems = Dst.getNumElems();
+
+ unsigned NumLanes = SrcElems / DstElems;
+ unsigned Lane = static_cast<unsigned>(Index % NumLanes);
+ unsigned ExtractPos = Lane * DstElems;
+
+ PrimType ElemT = Src.getFieldDesc()->getPrimType();
+ if (ElemT != Dst.getFieldDesc()->getPrimType())
+ return false;
----------------
SeongjaeP wrote:
You’re right — the pointers defined above already have matching PrimType. I’ll
remove this redundant check. Thanks for the review!
https://github.com/llvm/llvm-project/pull/162836
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