================
@@ -3412,7 +3412,8 @@ static bool interp__builtin_x86_byteshift(
static bool interp__builtin_ia32_shuffle_generic(
InterpState &S, CodePtr OpPC, const CallExpr *Call,
llvm::function_ref<std::pair<unsigned, unsigned>(unsigned, unsigned)>
- GetSourceIndex) {
+ GetSourceIndex,
+ llvm::function_ref<bool(unsigned, unsigned)> ShouldZero = nullptr) {
----------------
RKSimon wrote:
We could just adjust the GetSourceIndex signature to either be
`std::tuple<unsigned, unsigned, bool>` or `std::pair<unsigned, int>` and treat
negative cases as zero.
There will be other shuffles (PSHUFB in particular) that will want zero
handling as well.
CC @chaitanyav
https://github.com/llvm/llvm-project/pull/165513
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
