================
@@ -9665,18 +9665,34 @@ Value *CodeGenFunction::EmitSMEZero(const SVETypeFlags
&TypeFlags,
Value *CodeGenFunction::EmitSMELdrStr(const SVETypeFlags &TypeFlags,
SmallVectorImpl<Value *> &Ops,
unsigned IntID) {
- if (Ops.size() == 3) {
- Function *Cntsb = CGM.getIntrinsic(Intrinsic::aarch64_sme_cntsb);
- llvm::Value *CntsbCall = Builder.CreateCall(Cntsb, {}, "svlb");
- llvm::Value *MulVL = Builder.CreateMul(
- CntsbCall,
- Builder.getInt64(cast<llvm::ConstantInt>(Ops[2])->getZExtValue()),
- "mulvl");
-
- Ops[1] = Builder.CreateGEP(Int8Ty, Ops[1], MulVL);
- Ops[0] = EmitTileslice(Ops[0], Ops[2]);
- Ops.erase(&Ops[2]);
- }
+ if (Ops.size() == 2) {
+ // Intrinsics without a vecnum also use this function, so just provide 0
+ Ops.push_back(Ops[1]);
+ Ops[1] = Builder.getInt32(0);
+ } else {
+ int Imm = -1;
+ if (ConstantInt* C = dyn_cast<ConstantInt>(Ops[2]))
+ if (C->getZExtValue() <= 15)
+ Imm = C->getZExtValue();
+
+ if (Imm != -1) {
+ Ops[2] = Ops[1];
+ Ops[1] = Builder.getInt32(Imm);
----------------
SamTebbs33 wrote:
The thing is that I want the rest of the code to run if the argument is an
immediate but it isn't in the range of 0 - 15. I could move the <= 15 check to
where `Imm != -1` is, I think that would be cleaner.
https://github.com/llvm/llvm-project/pull/68565
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