[PATCH] D75482: [llvm][CodeGen][SVE] Constrain prefetch intrinsic argument to immediate values.

[Francesco Petrogalli via Phabricator via llvm-commits]

fpetrogalli created this revision.
fpetrogalli added reviewers: andwar, sdesmalen.
Herald added subscribers: llvm-commits, psnobl, rkruppe, hiraditya, tschuett.
Herald added a reviewer: efriedma.
Herald added a project: LLVM.

The argument that sets the prefetch type of a prefetch intrinsic must
be an immediate value.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75482

Files:
  llvm/include/llvm/IR/IntrinsicsAArch64.td
  llvm/lib/Target/AArch64/SVEInstrFormats.td


Index: llvm/lib/Target/AArch64/SVEInstrFormats.td
===================================================================
--- llvm/lib/Target/AArch64/SVEInstrFormats.td
+++ llvm/lib/Target/AArch64/SVEInstrFormats.td
@@ -33,7 +33,7 @@
   let RenderMethod = "addPrefetchOperands";
 }
 
-def sve_prfop : Operand<i32>, ImmLeaf<i32, [{
+def sve_prfop : Operand<i32>, TImmLeaf<i32, [{
     return (((uint32_t)Imm) <= 15);
   }]> {
   let PrintMethod = "printPrefetchOp<true>";
Index: llvm/include/llvm/IR/IntrinsicsAArch64.td
===================================================================
--- llvm/include/llvm/IR/IntrinsicsAArch64.td
+++ llvm/include/llvm/IR/IntrinsicsAArch64.td
@@ -1273,9 +1273,9 @@
 // Prefetch
 //
 
-def int_aarch64_sve_prf : Intrinsic<[], [llvm_anyvector_ty,
-                                         llvm_ptr_ty,
-                                         llvm_i32_ty], [IntrArgMemOnly]>;
+def int_aarch64_sve_prf
+  : Intrinsic<[], [llvm_anyvector_ty, llvm_ptr_ty, llvm_i32_ty],
+                  [IntrArgMemOnly, ImmArg<2>]>;
 
 //
 // Scalar to vector operations


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