================
@@ -12790,6 +12790,64 @@ bool VectorExprEvaluator::VisitCallExpr(const CallExpr
*E) {
return Success(APValue(Elems.data(), NumElems), E);
}
+
+ case X86::BI__builtin_ia32_pslldqi128_byteshift:
+ case X86::BI__builtin_ia32_pslldqi256_byteshift: {
+ assert(E->getNumArgs() == 2);
+
+ APValue Src;
+ APSInt Imm;
+ if (!EvaluateAsRValue(Info, E->getArg(0), Src) ||
+ !EvaluateInteger(E->getArg(1), Imm, Info))
+ return false;
+
+ unsigned VecLen = Src.getVectorLength();
+ unsigned Shift = Imm.getZExtValue();
----------------
RKSimon wrote:
```suggestion
unsigned Shift = Imm.getZExtValue() & 0xff;
```
https://github.com/llvm/llvm-project/pull/164166
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