================
@@ -86,6 +86,7 @@ let TargetPrefix = "spv" in {
def int_spv_dot4add_i8packed : DefaultAttrsIntrinsic<[llvm_i32_ty],
[llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;
def int_spv_dot4add_u8packed : DefaultAttrsIntrinsic<[llvm_i32_ty],
[llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], [IntrNoMem]>;
def int_spv_wave_active_countbits : DefaultAttrsIntrinsic<[llvm_i32_ty],
[llvm_i1_ty], [IntrConvergent, IntrNoMem]>;
+ def int_spv_wave_any : DefaultAttrsIntrinsic<[llvm_i1_ty], [llvm_i1_ty],
[IntrConvergent, IntrNoMem]>;
----------------
inbelic wrote:
Happy to be corrected. My understanding was that `IntrConvergent` was used to
model the cross-lane side-effect, and we can depend on that to ensure no
optimizations would cause a bad reordering/folding. So we can then use
`IntrNoMem` to model that there are no other (memory) side-effects.
cc @farzonl @bogner
https://github.com/llvm/llvm-project/pull/115902
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