================
@@ -230,30 +230,96 @@ static cl::opt<bool>
EnableFixedwidthAutovecInStreamingMode(
static cl::opt<bool> EnableScalableAutovecInStreamingMode(
"enable-scalable-autovec-in-streaming-mode", cl::init(false), cl::Hidden);
-static bool isSMEABIRoutineCall(const CallInst &CI,
- const AArch64TargetLowering &TLI) {
- const auto *F = CI.getCalledFunction();
- return F &&
- SMEAttrs(F->getName(),
TLI.getRuntimeLibcallsInfo()).isSMEABIRoutine();
+/// Returns true if \p I is an intrinsic that may not be compatible with a
+/// different streaming mode (because it depends on vscale).
+static bool isPossiblyIncompatibleIntrinsic(const Instruction *I) {
+ if (I->isDebugOrPseudoInst())
+ return false;
+
+ if (auto *II = dyn_cast<IntrinsicInst>(I)) {
+ unsigned IID = II->getIntrinsicID();
+ switch (IID) {
+ default:
+ return Intrinsic::isTargetIntrinsic(IID);
----------------
sdesmalen-arm wrote:
For now, we keep this behaviour conservative, in the sense that we assume any
target intrinsic is possibly invalid in streaming mode (even if [we can assume
that] vscale is equivalent).
https://github.com/llvm/llvm-project/pull/223393
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