================
@@ -1054,6 +1055,40 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned
BuiltinID,
Value *Mul = Builder.CreateNUWMul(M, A);
return Builder.CreateNUWAdd(Mul, B);
}
+ case Builtin::BI__builtin_hlsl_mul: {
+ Value *Op0 = EmitScalarExpr(E->getArg(0));
+ Value *Op1 = EmitScalarExpr(E->getArg(1));
+ QualType QTy0 = E->getArg(0)->getType();
+ QualType QTy1 = E->getArg(1)->getType();
+
+ bool IsVec0 = QTy0->isVectorType();
+ bool IsMat0 = QTy0->isConstantMatrixType();
+ bool IsMat1 = QTy1->isConstantMatrixType();
+
+ // Only matrix-involved cases reach the builtin (cases 6, 8, 9).
----------------
s-perron wrote:
I think the numbers in the comment come out of nowhere if I don't know where
all of the cases are listed.
https://github.com/llvm/llvm-project/pull/184882
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